Fort William, Kolkata, West Bengal, India Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
August Air Quality Analysis
Fort William, Kolkata, West Bengal, India
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
14th Aug 2024
138AQILowest AQI recorded on
3rd Aug 2022
24AQISame Day Analysis (15th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 82 of Moderate air quality, showing improvement over 2024 on the same day.
Day & Night AQI Trend: 14th Aug - 15th Aug 2026
Fort William, Kolkata, West Bengal, India
AQI
Day
Night
.
5 AM14th Aug 2026
6 PM
4 AM15th Aug 2026
Day time
Avg. Highest Time
4PM14th Aug
112AQI
Avg. Lowest Time
5AM14th Aug
76AQI
Night time
Avg. Highest Time
12AM15th Aug
114AQI
Avg. Lowest Time
3AM15th Aug
94AQI
In the last 24 hours,
Fort William's AQI reached its highest point of 114 at 12 AM during the Night, while the lowest point, 76, was recorded at 5 AM during the Day between 14th Aug and 15th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Fort William, Kolkata, West Bengal, India
JulAug
17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th
Day
Night
17th Jul 2026625 AMAQI
17th Jul 2026746 AMAQI
17th Jul 2026847 AMAQI
17th Jul 2026868 AMAQI
17th Jul 2026809 AMAQI
17th Jul 20269510 AMAQI
17th Jul 20268811 AMAQI
17th Jul 202610212 PMAQI
17th Jul 20261121 PMAQI
17th Jul 20261032 PMAQI
17th Jul 2026973 PMAQI
17th Jul 20261084 PMAQI
17th Jul 20261045 PMAQI
17th Jul 20261066 PMAQI
17th Jul 20261227 PMAQI
17th Jul 20261028 PMAQI
17th Jul 2026959 PMAQI
17th Jul 20268810 PMAQI
17th Jul 20268811 PMAQI
18th Jul 20268612 AMAQI
18th Jul 2026881 AMAQI
18th Jul 2026892 AMAQI
18th Jul 2026903 AMAQI
18th Jul 2026954 AMAQI
30°C27/33°C
18th Jul 20261025 AMAQI
18th Jul 20261046 AMAQI
18th Jul 20261007 AMAQI
18th Jul 20261008 AMAQI
18th Jul 20261059 AMAQI
18th Jul 202611010 AMAQI
18th Jul 202612811 AMAQI
18th Jul 202612612 PMAQI
18th Jul 20261061 PMAQI
18th Jul 2026842 PMAQI
18th Jul 2026903 PMAQI
18th Jul 2026724 PMAQI
18th Jul 2026715 PMAQI
18th Jul 2026886 PMAQI
18th Jul 2026837 PMAQI
18th Jul 2026858 PMAQI
18th Jul 2026829 PMAQI
18th Jul 20268110 PMAQI
18th Jul 20267811 PMAQI
19th Jul 20267512 AMAQI
19th Jul 2026821 AMAQI
19th Jul 2026782 AMAQI
19th Jul 2026803 AMAQI
19th Jul 2026864 AMAQI
30°C28/34°C
19th Jul 2026905 AMAQI
19th Jul 2026946 AMAQI
19th Jul 20261027 AMAQI
19th Jul 2026948 AMAQI
19th Jul 20261049 AMAQI
19th Jul 20269210 AMAQI
19th Jul 202610211 AMAQI
19th Jul 202612412 PMAQI
19th Jul 20261001 PMAQI
19th Jul 20261262 PMAQI
19th Jul 20261053 PMAQI
19th Jul 20261084 PMAQI
19th Jul 2026975 PMAQI
19th Jul 2026906 PMAQI
19th Jul 20261087 PMAQI
19th Jul 20261068 PMAQI
19th Jul 20261149 PMAQI
19th Jul 202610610 PMAQI
19th Jul 202610811 PMAQI
20th Jul 202610612 AMAQI
20th Jul 20261001 AMAQI
20th Jul 2026992 AMAQI
20th Jul 2026983 AMAQI
20th Jul 20261024 AMAQI
30°C28/33°C
20th Jul 20261045 AMAQI
20th Jul 2026976 AMAQI
20th Jul 20261097 AMAQI
20th Jul 20261008 AMAQI
20th Jul 20261129 AMAQI
20th Jul 202610210 AMAQI
20th Jul 202610811 AMAQI
20th Jul 202611612 PMAQI
20th Jul 20261261 PMAQI
20th Jul 20261162 PMAQI
20th Jul 20261063 PMAQI
20th Jul 2026864 PMAQI
20th Jul 2026865 PMAQI
20th Jul 2026806 PMAQI
20th Jul 2026827 PMAQI
20th Jul 2026908 PMAQI
20th Jul 2026879 PMAQI
20th Jul 20268510 PMAQI
20th Jul 20269011 PMAQI
21st Jul 20267912 AMAQI
21st Jul 2026761 AMAQI
21st Jul 2026742 AMAQI
21st Jul 2026783 AMAQI
21st Jul 2026724 AMAQI
28°C27/28°C
21st Jul 2026685 AMAQI
21st Jul 2026646 AMAQI
21st Jul 2026687 AMAQI
21st Jul 2026728 AMAQI
21st Jul 20265310 AMAQI
21st Jul 20266011 AMAQI
21st Jul 20266512 PMAQI
21st Jul 2026501 PMAQI
21st Jul 2026662 PMAQI
21st Jul 2026703 PMAQI
21st Jul 20261024 PMAQI
21st Jul 2026745 PMAQI
21st Jul 2026846 PMAQI
21st Jul 2026767 PMAQI
21st Jul 2026728 PMAQI
21st Jul 2026679 PMAQI
21st Jul 20266610 PMAQI
21st Jul 20268211 PMAQI
22nd Jul 20267012 AMAQI
22nd Jul 2026671 AMAQI
22nd Jul 2026582 AMAQI
22nd Jul 2026603 AMAQI
22nd Jul 2026704 AMAQI
28°C26/31°C
22nd Jul 2026675 AMAQI
22nd Jul 2026606 AMAQI
22nd Jul 2026697 AMAQI
22nd Jul 2026648 AMAQI
22nd Jul 2026609 AMAQI
22nd Jul 20265310 AMAQI
22nd Jul 20265811 AMAQI
22nd Jul 20266212 PMAQI
22nd Jul 2026661 PMAQI
22nd Jul 2026712 PMAQI
22nd Jul 2026783 PMAQI
22nd Jul 2026844 PMAQI
22nd Jul 2026865 PMAQI
22nd Jul 2026676 PMAQI
22nd Jul 2026687 PMAQI
22nd Jul 2026788 PMAQI
22nd Jul 2026789 PMAQI
22nd Jul 20268410 PMAQI
22nd Jul 20268311 PMAQI
23rd Jul 20268212 AMAQI
23rd Jul 2026741 AMAQI
23rd Jul 2026652 AMAQI
23rd Jul 2026703 AMAQI
23rd Jul 2026734 AMAQI
27°C25/29°C
23rd Jul 2026765 AMAQI
23rd Jul 2026756 AMAQI
23rd Jul 2026867 AMAQI
23rd Jul 2026928 AMAQI
23rd Jul 2026979 AMAQI
23rd Jul 202610210 AMAQI
23rd Jul 20269811 AMAQI
23rd Jul 20268412 PMAQI
23rd Jul 2026841 PMAQI
23rd Jul 2026582 PMAQI
23rd Jul 2026583 PMAQI
23rd Jul 2026764 PMAQI
23rd Jul 20261015 PMAQI
23rd Jul 2026966 PMAQI
23rd Jul 20261057 PMAQI
23rd Jul 20261028 PMAQI
23rd Jul 20261009 PMAQI
23rd Jul 202611410 PMAQI
23rd Jul 202611211 PMAQI
24th Jul 202610812 AMAQI
24th Jul 20261001 AMAQI
24th Jul 20261082 AMAQI
24th Jul 20261063 AMAQI
24th Jul 2026834 AMAQI
27°C26/29°C
24th Jul 2026765 AMAQI
24th Jul 2026856 AMAQI
24th Jul 2026847 AMAQI
24th Jul 2026948 AMAQI
24th Jul 2026949 AMAQI
24th Jul 20269210 AMAQI
24th Jul 202610411 AMAQI
24th Jul 202611612 PMAQI
24th Jul 20261191 PMAQI
24th Jul 20261242 PMAQI
24th Jul 2026993 PMAQI
24th Jul 20261254 PMAQI
24th Jul 20261125 PMAQI
24th Jul 20261056 PMAQI
24th Jul 20261157 PMAQI
24th Jul 20261228 PMAQI
24th Jul 20261209 PMAQI
24th Jul 202612410 PMAQI
24th Jul 202612211 PMAQI
25th Jul 202611212 AMAQI
25th Jul 20261181 AMAQI
25th Jul 20261122 AMAQI
25th Jul 20261153 AMAQI
25th Jul 20261094 AMAQI
28°C27/32°C
25th Jul 20261065 AMAQI
25th Jul 20261106 AMAQI
25th Jul 20261167 AMAQI
25th Jul 20261248 AMAQI
25th Jul 20261059 AMAQI
25th Jul 202610810 AMAQI
25th Jul 202610211 AMAQI
25th Jul 202610012 PMAQI
25th Jul 2026861 PMAQI
25th Jul 2026762 PMAQI
25th Jul 2026783 PMAQI
25th Jul 2026764 PMAQI
25th Jul 2026725 PMAQI
25th Jul 2026816 PMAQI
25th Jul 2026847 PMAQI
25th Jul 2026908 PMAQI
25th Jul 2026949 PMAQI
25th Jul 20268110 PMAQI
25th Jul 20268111 PMAQI
26th Jul 20267112 AMAQI
26th Jul 2026671 AMAQI
26th Jul 2026682 AMAQI
26th Jul 2026763 AMAQI
26th Jul 2026764 AMAQI
29°C27/34°C
26th Jul 2026795 AMAQI
26th Jul 2026806 AMAQI
26th Jul 2026807 AMAQI
26th Jul 2026798 AMAQI
26th Jul 2026769 AMAQI
26th Jul 20266910 AMAQI
26th Jul 20266911 AMAQI
26th Jul 20265712 PMAQI
26th Jul 2026541 PMAQI
26th Jul 2026492 PMAQI
26th Jul 2026583 PMAQI
26th Jul 2026674 PMAQI
26th Jul 2026685 PMAQI
26th Jul 2026826 PMAQI
26th Jul 2026707 PMAQI
26th Jul 2026748 PMAQI
26th Jul 2026709 PMAQI
26th Jul 20266810 PMAQI
26th Jul 20267111 PMAQI
27th Jul 20266712 AMAQI
27th Jul 2026701 AMAQI
27th Jul 2026642 AMAQI
27th Jul 2026663 AMAQI
27th Jul 2026744 AMAQI
28°C26/32°C
27th Jul 2026625 AMAQI
27th Jul 2026656 AMAQI
27th Jul 2026707 AMAQI
27th Jul 2026728 AMAQI
27th Jul 2026789 AMAQI
27th Jul 20266010 AMAQI
27th Jul 20266211 AMAQI
27th Jul 20267212 PMAQI
27th Jul 2026781 PMAQI
27th Jul 2026812 PMAQI
27th Jul 2026673 PMAQI
27th Jul 2026684 PMAQI
27th Jul 2026695 PMAQI
27th Jul 2026716 PMAQI
27th Jul 2026747 PMAQI
27th Jul 2026818 PMAQI
27th Jul 2026769 PMAQI
27th Jul 20266610 PMAQI
27th Jul 20266811 PMAQI
28th Jul 20266612 AMAQI
28th Jul 2026651 AMAQI
28th Jul 2026662 AMAQI
28th Jul 2026663 AMAQI
28th Jul 2026544 AMAQI
28°C26/31°C
28th Jul 2026565 AMAQI
28th Jul 2026606 AMAQI
28th Jul 2026747 AMAQI
28th Jul 2026748 AMAQI
28th Jul 2026749 AMAQI
28th Jul 20266610 AMAQI
28th Jul 20267911 AMAQI
28th Jul 20267812 PMAQI
28th Jul 2026711 PMAQI
28th Jul 2026662 PMAQI
28th Jul 2026623 PMAQI
28th Jul 2026664 PMAQI
28th Jul 2026745 PMAQI
28th Jul 2026806 PMAQI
28th Jul 2026937 PMAQI
28th Jul 2026978 PMAQI
28th Jul 2026859 PMAQI
28th Jul 20268210 PMAQI
28th Jul 20268411 PMAQI
29th Jul 20268412 AMAQI
29th Jul 2026781 AMAQI
29th Jul 2026732 AMAQI
29th Jul 2026733 AMAQI
29th Jul 2026694 AMAQI
28°C26/31°C
29th Jul 2026735 AMAQI
29th Jul 2026706 AMAQI
29th Jul 2026827 AMAQI
29th Jul 2026878 AMAQI
29th Jul 2026879 AMAQI
29th Jul 20268210 AMAQI
29th Jul 20266611 AMAQI
29th Jul 20267512 PMAQI
29th Jul 2026641 PMAQI
29th Jul 2026722 PMAQI
29th Jul 2026863 PMAQI
29th Jul 2026794 PMAQI
29th Jul 2026715 PMAQI
29th Jul 2026716 PMAQI
29th Jul 2026857 PMAQI
29th Jul 2026888 PMAQI
29th Jul 2026839 PMAQI
29th Jul 20268310 PMAQI
29th Jul 20267411 PMAQI
30th Jul 20268212 AMAQI
30th Jul 2026701 AMAQI
30th Jul 2026702 AMAQI
30th Jul 2026733 AMAQI
30th Jul 2026714 AMAQI
29°C26/33°C
30th Jul 2026735 AMAQI
30th Jul 2026756 AMAQI
30th Jul 2026817 AMAQI
30th Jul 2026848 AMAQI
30th Jul 2026889 AMAQI
30th Jul 20268010 AMAQI
30th Jul 20268211 AMAQI
30th Jul 20267412 PMAQI
30th Jul 2026881 PMAQI
30th Jul 2026742 PMAQI
30th Jul 2026823 PMAQI
30th Jul 2026834 PMAQI
30th Jul 2026755 PMAQI
30th Jul 2026766 PMAQI
30th Jul 2026867 PMAQI
30th Jul 20261008 PMAQI
30th Jul 2026869 PMAQI
30th Jul 20267210 PMAQI
30th Jul 20268111 PMAQI
31st Jul 20267012 AMAQI
31st Jul 2026671 AMAQI
31st Jul 2026662 AMAQI
31st Jul 2026663 AMAQI
31st Jul 2026644 AMAQI
29°C27/31°C
31st Jul 2026695 AMAQI
31st Jul 2026726 AMAQI
31st Jul 2026747 AMAQI
31st Jul 2026768 AMAQI
31st Jul 2026839 AMAQI
31st Jul 20267610 AMAQI
31st Jul 20268711 AMAQI
31st Jul 20268412 PMAQI
31st Jul 20261081 PMAQI
31st Jul 2026942 PMAQI
31st Jul 2026823 PMAQI
31st Jul 2026844 PMAQI
31st Jul 2026765 PMAQI
31st Jul 2026846 PMAQI
31st Jul 2026847 PMAQI
31st Jul 2026928 PMAQI
31st Jul 2026889 PMAQI
31st Jul 20268110 PMAQI
31st Jul 20267811 PMAQI
1st Aug 20267512 AMAQI
1st Aug 2026721 AMAQI
1st Aug 2026662 AMAQI
1st Aug 2026663 AMAQI
1st Aug 2026684 AMAQI
29°C27/32°C
1st Aug 2026695 AMAQI
1st Aug 2026786 AMAQI
1st Aug 2026787 AMAQI
1st Aug 2026938 AMAQI
1st Aug 2026929 AMAQI
1st Aug 20268610 AMAQI
1st Aug 20269011 AMAQI
1st Aug 20268712 PMAQI
1st Aug 2026881 PMAQI
1st Aug 20261022 PMAQI
1st Aug 20261063 PMAQI
1st Aug 2026994 PMAQI
1st Aug 20261105 PMAQI
1st Aug 20261046 PMAQI
1st Aug 20261027 PMAQI
1st Aug 20261028 PMAQI
1st Aug 20261029 PMAQI
1st Aug 202610110 PMAQI
1st Aug 20269811 PMAQI
2nd Aug 20269712 AMAQI
2nd Aug 2026841 AMAQI
2nd Aug 2026882 AMAQI
2nd Aug 2026833 AMAQI
2nd Aug 2026784 AMAQI
30°C27/33°C
2nd Aug 2026725 AMAQI
2nd Aug 2026806 AMAQI
2nd Aug 2026787 AMAQI
2nd Aug 2026908 AMAQI
2nd Aug 20261019 AMAQI
2nd Aug 20267810 AMAQI
2nd Aug 20268611 AMAQI
2nd Aug 20269512 PMAQI
2nd Aug 20261141 PMAQI
2nd Aug 20261092 PMAQI
2nd Aug 20261143 PMAQI
2nd Aug 20261284 PMAQI
2nd Aug 20261185 PMAQI
2nd Aug 20261226 PMAQI
2nd Aug 20261287 PMAQI
2nd Aug 20261308 PMAQI
2nd Aug 20261249 PMAQI
2nd Aug 202612510 PMAQI
2nd Aug 202611611 PMAQI
3rd Aug 202611912 AMAQI
3rd Aug 20261181 AMAQI
3rd Aug 20261152 AMAQI
3rd Aug 20261143 AMAQI
3rd Aug 20261084 AMAQI
31°C27/34°C
3rd Aug 20261105 AMAQI
3rd Aug 20261156 AMAQI
3rd Aug 20261157 AMAQI
3rd Aug 20261028 AMAQI
3rd Aug 20261309 AMAQI
3rd Aug 202612810 AMAQI
3rd Aug 202614011 AMAQI
3rd Aug 202614012 PMAQI
3rd Aug 20261351 PMAQI
3rd Aug 20261482 PMAQI
3rd Aug 20261403 PMAQI
3rd Aug 20261304 PMAQI
3rd Aug 20261255 PMAQI
3rd Aug 20261286 PMAQI
3rd Aug 20261487 PMAQI
3rd Aug 20261508 PMAQI
3rd Aug 20261509 PMAQI
3rd Aug 202615210 PMAQI
3rd Aug 202614311 PMAQI
4th Aug 202612812 AMAQI
4th Aug 20261141 AMAQI
4th Aug 20261222 AMAQI
4th Aug 20261253 AMAQI
4th Aug 20261144 AMAQI
31°C28/35°C
4th Aug 20261145 AMAQI
4th Aug 20261196 AMAQI
4th Aug 20261267 AMAQI
4th Aug 20261188 AMAQI
4th Aug 20261219 AMAQI
4th Aug 202610410 AMAQI
4th Aug 202613811 AMAQI
4th Aug 202612012 PMAQI
4th Aug 20261311 PMAQI
4th Aug 20261292 PMAQI
4th Aug 20261313 PMAQI
4th Aug 20261024 PMAQI
4th Aug 2026925 PMAQI
4th Aug 20261056 PMAQI
4th Aug 20261247 PMAQI
4th Aug 20261128 PMAQI
4th Aug 20261069 PMAQI
4th Aug 202610510 PMAQI
4th Aug 202611411 PMAQI
5th Aug 202611012 AMAQI
5th Aug 20261121 AMAQI
5th Aug 2026982 AMAQI
5th Aug 20261063 AMAQI
5th Aug 20261064 AMAQI
31°C28/35°C
5th Aug 20261045 AMAQI
5th Aug 2026946 AMAQI
5th Aug 2026947 AMAQI
5th Aug 2026988 AMAQI
5th Aug 20261189 AMAQI
5th Aug 20269610 AMAQI
5th Aug 202614411 AMAQI
5th Aug 202612012 PMAQI
5th Aug 20261341 PMAQI
5th Aug 20261322 PMAQI
5th Aug 20261353 PMAQI
5th Aug 20261324 PMAQI
5th Aug 20261325 PMAQI
5th Aug 2026976 PMAQI
5th Aug 20261027 PMAQI
5th Aug 20261228 PMAQI
5th Aug 20261189 PMAQI
5th Aug 202612410 PMAQI
5th Aug 202613511 PMAQI
6th Aug 202611212 AMAQI
6th Aug 20261021 AMAQI
6th Aug 2026992 AMAQI
6th Aug 20261043 AMAQI
6th Aug 2026994 AMAQI
30°C27/34°C
6th Aug 20261085 AMAQI
6th Aug 20261186 AMAQI
6th Aug 20261227 AMAQI
6th Aug 20261188 AMAQI
6th Aug 20261129 AMAQI
6th Aug 202613410 AMAQI
6th Aug 202611511 AMAQI
6th Aug 20269412 PMAQI
6th Aug 20261101 PMAQI
6th Aug 20261082 PMAQI
6th Aug 20261103 PMAQI
6th Aug 20261084 PMAQI
6th Aug 20261205 PMAQI
6th Aug 20261126 PMAQI
6th Aug 20261117 PMAQI
6th Aug 20261218 PMAQI
6th Aug 20261259 PMAQI
6th Aug 202611110 PMAQI
6th Aug 202610611 PMAQI
7th Aug 20269912 AMAQI
7th Aug 2026921 AMAQI
7th Aug 2026802 AMAQI
7th Aug 2026793 AMAQI
7th Aug 2026784 AMAQI
27°C26/28°C
7th Aug 2026745 AMAQI
7th Aug 2026736 AMAQI
7th Aug 2026837 AMAQI
7th Aug 2026818 AMAQI
7th Aug 20261049 AMAQI
7th Aug 20267810 AMAQI
7th Aug 20269211 AMAQI
7th Aug 20268412 PMAQI
7th Aug 2026821 PMAQI
7th Aug 2026872 PMAQI
7th Aug 2026863 PMAQI
7th Aug 2026834 PMAQI
7th Aug 2026805 PMAQI
7th Aug 2026786 PMAQI
7th Aug 2026837 PMAQI
7th Aug 2026768 PMAQI
7th Aug 2026769 PMAQI
7th Aug 20268110 PMAQI
7th Aug 20268211 PMAQI
8th Aug 20267812 AMAQI
8th Aug 2026741 AMAQI
8th Aug 2026682 AMAQI
8th Aug 2026663 AMAQI
8th Aug 2026654 AMAQI
28°C26/32°C
8th Aug 2026655 AMAQI
8th Aug 2026546 AMAQI
8th Aug 2026697 AMAQI
8th Aug 2026688 AMAQI
8th Aug 2026699 AMAQI
8th Aug 20265710 AMAQI
8th Aug 20265611 AMAQI
8th Aug 20266412 PMAQI
8th Aug 2026821 PMAQI
8th Aug 2026742 PMAQI
8th Aug 2026763 PMAQI
8th Aug 2026704 PMAQI
8th Aug 2026655 PMAQI
8th Aug 2026656 PMAQI
8th Aug 2026767 PMAQI
8th Aug 2026838 PMAQI
8th Aug 2026869 PMAQI
8th Aug 20268310 PMAQI
8th Aug 20268311 PMAQI
9th Aug 20267612 AMAQI
9th Aug 2026721 AMAQI
9th Aug 2026692 AMAQI
9th Aug 2026603 AMAQI
9th Aug 2026594 AMAQI
30°C27/33°C
9th Aug 2026605 AMAQI
9th Aug 2026666 AMAQI
9th Aug 2026727 AMAQI
9th Aug 2026708 AMAQI
9th Aug 2026699 AMAQI
9th Aug 20265410 AMAQI
9th Aug 20265711 AMAQI
9th Aug 20266012 PMAQI
9th Aug 2026741 PMAQI
9th Aug 2026702 PMAQI
9th Aug 2026693 PMAQI
9th Aug 2026644 PMAQI
9th Aug 2026655 PMAQI
9th Aug 2026646 PMAQI
9th Aug 2026687 PMAQI
9th Aug 2026788 PMAQI
9th Aug 2026709 PMAQI
9th Aug 20267610 PMAQI
9th Aug 20267411 PMAQI
10th Aug 20267312 AMAQI
10th Aug 2026821 AMAQI
10th Aug 2026762 AMAQI
10th Aug 2026713 AMAQI
10th Aug 2026744 AMAQI
30°C27/33°C
10th Aug 2026765 AMAQI
10th Aug 2026816 AMAQI
10th Aug 2026907 AMAQI
10th Aug 2026848 AMAQI
10th Aug 2026879 AMAQI
10th Aug 20267610 AMAQI
10th Aug 20268011 AMAQI
10th Aug 20268012 PMAQI
10th Aug 2026881 PMAQI
10th Aug 20261022 PMAQI
10th Aug 20261063 PMAQI
10th Aug 2026924 PMAQI
10th Aug 2026965 PMAQI
10th Aug 2026986 PMAQI
10th Aug 2026987 PMAQI
10th Aug 20261028 PMAQI
10th Aug 2026809 PMAQI
10th Aug 20266710 PMAQI
10th Aug 20267211 PMAQI
11th Aug 20267612 AMAQI
11th Aug 2026741 AMAQI
11th Aug 2026822 AMAQI
11th Aug 2026923 AMAQI
11th Aug 2026864 AMAQI
30°C27/34°C
11th Aug 2026945 AMAQI
11th Aug 20261106 AMAQI
11th Aug 20261067 AMAQI
11th Aug 20261038 AMAQI
11th Aug 2026999 AMAQI
11th Aug 20268310 AMAQI
11th Aug 20267211 AMAQI
11th Aug 20267012 PMAQI
11th Aug 2026661 PMAQI
11th Aug 2026762 PMAQI
11th Aug 2026903 PMAQI
11th Aug 2026884 PMAQI
11th Aug 2026825 PMAQI
11th Aug 2026946 PMAQI
11th Aug 2026767 PMAQI
11th Aug 2026798 PMAQI
11th Aug 2026789 PMAQI
11th Aug 20267410 PMAQI
11th Aug 20267611 PMAQI
12th Aug 20269512 AMAQI
12th Aug 20261021 AMAQI
12th Aug 2026852 AMAQI
12th Aug 2026873 AMAQI
12th Aug 2026884 AMAQI
30°C28/33°C
12th Aug 2026885 AMAQI
12th Aug 2026946 AMAQI
12th Aug 20261047 AMAQI
12th Aug 20261118 AMAQI
12th Aug 20261129 AMAQI
12th Aug 202615210 AMAQI
12th Aug 202614811 AMAQI
12th Aug 202615212 PMAQI
12th Aug 20261351 PMAQI
12th Aug 20261192 PMAQI
12th Aug 20261283 PMAQI
12th Aug 20261304 PMAQI
12th Aug 20261225 PMAQI
12th Aug 20261206 PMAQI
12th Aug 20261167 PMAQI
12th Aug 20261348 PMAQI
12th Aug 20261369 PMAQI
12th Aug 202614010 PMAQI
12th Aug 202614611 PMAQI
13th Aug 202614812 AMAQI
13th Aug 20261211 AMAQI
13th Aug 2026992 AMAQI
13th Aug 2026823 AMAQI
13th Aug 2026834 AMAQI
30°C27/35°C
13th Aug 2026835 AMAQI
13th Aug 2026716 AMAQI
13th Aug 2026907 AMAQI
13th Aug 2026908 AMAQI
13th Aug 2026959 AMAQI
13th Aug 20269010 AMAQI
13th Aug 20269811 AMAQI
13th Aug 20269812 PMAQI
13th Aug 2026861 PMAQI
13th Aug 2026982 PMAQI
13th Aug 20261153 PMAQI
13th Aug 2026924 PMAQI
13th Aug 2026825 PMAQI
13th Aug 2026876 PMAQI
13th Aug 2026807 PMAQI
13th Aug 2026908 PMAQI
13th Aug 2026909 PMAQI
13th Aug 20268610 PMAQI
13th Aug 20268411 PMAQI
14th Aug 20268012 AMAQI
14th Aug 2026751 AMAQI
14th Aug 2026742 AMAQI
14th Aug 2026803 AMAQI
14th Aug 2026784 AMAQI
30°C28/33°C
14th Aug 2026765 AMAQI
14th Aug 2026816 AMAQI
14th Aug 20261007 AMAQI
14th Aug 20261028 AMAQI
14th Aug 20261049 AMAQI
14th Aug 20269010 AMAQI
14th Aug 20269311 AMAQI
14th Aug 202610612 PMAQI
14th Aug 20261061 PMAQI
14th Aug 20261082 PMAQI
14th Aug 20261103 PMAQI
14th Aug 20261124 PMAQI
14th Aug 20261065 PMAQI
14th Aug 20261086 PMAQI
14th Aug 20261087 PMAQI
14th Aug 20261048 PMAQI
14th Aug 2026999 PMAQI
14th Aug 202610610 PMAQI
14th Aug 202611211 PMAQI
15th Aug 202611412 AMAQI
15th Aug 20261041 AMAQI
15th Aug 2026982 AMAQI
15th Aug 2026943 AMAQI
15th Aug 2026984 AMAQI
30°C27/33°C
15th Aug 2026945 AMAQI
5 AM15th Aug 2026816 AMAQI
15th Aug 2026907 AMAQI
15th Aug 2026888 AMAQI
15th Aug 2026959 AMAQI
15th Aug 20269810 AMAQI
15th Aug 20268711 AMAQI
11 AM15th Aug 20268812 PMAQI
15th Aug 2026871 PMAQI
15th Aug 2026882 PMAQI
15th Aug 2026813 PMAQI
15th Aug 2026804 PMAQI
15th Aug 2026545 PMAQI
15th Aug 2026486 PMAQI
6 PM15th Aug 2026587 PMAQI
15th Aug 2026558 PMAQI
15th Aug 2026609 PMAQI
15th Aug 20266210 PMAQI
15th Aug 20266211 PMAQI
11 PM4 AM
29°C27/32°C
Day time
Avg. Highest Time
9 AM
95AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
5 AM - 6 AM
83AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 AM to 9 AM (Avg. 95), while the lowest AQI was between 5 AM to 6 AM (Avg. 83).
Night time
Avg. Highest Time
8 PM
97AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
2 AM - 4 AM
82AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 PM to 8 PM (Avg. 97), while the lowest AQI was between 2 AM to 4 AM (Avg. 82).
2026 Days Vs Air Quality
Fort William, Kolkata, West Bengal, India
2026
0.8%
2
33%
74
36%
81
21%
47
10%
23
Total number of days with different AQI categories in last 227 days in 2026 (138 days remaining)
Good
2 DaysModerate
74 DaysPoor
81 DaysUnhealthy
47 DaysSevere
23 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 0.88%
Health Risk Level:
Extreme
In 2026, 0.88% of 227 days were within WHO’s safe air quality limits. The risk of health issues is Extreme, potentially causing respiratory problems, heart disease, skin issues, and stress, especially for children, the elderly, and those with pre-existing conditions.
Annual Air Quality Insights
Fort William, Kolkata, West Bengal, India
AQI levels in 2026
AQI (US)
PM₂.₅
PM₁₀
CO
SO₂
NO₂
O₃
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
269AQI (US)
269AQI (US)
2nd January 2026
237AQI (US)
237AQI (US)
3rd January 2026
256AQI (US)
256AQI (US)
4th January 2026
265AQI (US)
265AQI (US)
5th January 2026
202AQI (US)
202AQI (US)
6th January 2026
237AQI (US)
237AQI (US)
7th January 2026
287AQI (US)
287AQI (US)
8th January 2026
231AQI (US)
231AQI (US)
9th January 2026
216AQI (US)
216AQI (US)
10th January 2026
197AQI (US)
197AQI (US)
11th January 2026
195AQI (US)
195AQI (US)
12th January 2026
202AQI (US)
202AQI (US)
13th January 2026
199AQI (US)
199AQI (US)
14th January 2026
223AQI (US)
223AQI (US)
15th January 2026
215AQI (US)
215AQI (US)
16th January 2026
206AQI (US)
206AQI (US)
17th January 2026
231AQI (US)
231AQI (US)
18th January 2026
237AQI (US)
237AQI (US)
19th January 2026
235AQI (US)
235AQI (US)
20th January 2026
267AQI (US)
267AQI (US)
21st January 2026
252AQI (US)
252AQI (US)
22nd January 2026
201AQI (US)
201AQI (US)
23rd January 2026
219AQI (US)
219AQI (US)
24th January 2026
232AQI (US)
232AQI (US)
25th January 2026
205AQI (US)
205AQI (US)
26th January 2026
190AQI (US)
190AQI (US)
27th January 2026
186AQI (US)
186AQI (US)
28th January 2026
191AQI (US)
191AQI (US)
29th January 2026
211AQI (US)
211AQI (US)
30th January 2026
185AQI (US)
185AQI (US)
31st January 2026
176AQI (US)
176AQI (US)
1st February 2026
180AQI (US)
180AQI (US)
2nd February 2026
184AQI (US)
184AQI (US)
3rd February 2026
191AQI (US)
191AQI (US)
4th February 2026
194AQI (US)
194AQI (US)
5th February 2026
171AQI (US)
171AQI (US)
6th February 2026
165AQI (US)
165AQI (US)
7th February 2026
170AQI (US)
170AQI (US)
8th February 2026
179AQI (US)
179AQI (US)
9th February 2026
180AQI (US)
180AQI (US)
10th February 2026
178AQI (US)
178AQI (US)
11th February 2026
194AQI (US)
194AQI (US)
12th February 2026
187AQI (US)
187AQI (US)
13th February 2026
187AQI (US)
187AQI (US)
14th February 2026
172AQI (US)
172AQI (US)
15th February 2026
173AQI (US)
173AQI (US)
16th February 2026
176AQI (US)
176AQI (US)
17th February 2026
185AQI (US)
185AQI (US)
18th February 2026
170AQI (US)
170AQI (US)
19th February 2026
183AQI (US)
183AQI (US)
20th February 2026
182AQI (US)
182AQI (US)
21st February 2026
184AQI (US)
184AQI (US)
22nd February 2026
188AQI (US)
188AQI (US)
23rd February 2026
192AQI (US)
192AQI (US)
24th February 2026
166AQI (US)
166AQI (US)
25th February 2026
172AQI (US)
172AQI (US)
26th February 2026
176AQI (US)
176AQI (US)
27th February 2026
161AQI (US)
161AQI (US)
28th February 2026
152AQI (US)
152AQI (US)
1st March 2026
157AQI (US)
157AQI (US)
2nd March 2026
157AQI (US)
157AQI (US)
3rd March 2026
166AQI (US)
166AQI (US)
4th March 2026
167AQI (US)
167AQI (US)
5th March 2026
173AQI (US)
173AQI (US)
6th March 2026
163AQI (US)
163AQI (US)
7th March 2026
156AQI (US)
156AQI (US)
8th March 2026
155AQI (US)
155AQI (US)
9th March 2026
153AQI (US)
153AQI (US)
10th March 2026
149AQI (US)
149AQI (US)
11th March 2026
155AQI (US)
155AQI (US)
12th March 2026
154AQI (US)
154AQI (US)
13th March 2026
129AQI (US)
129AQI (US)
14th March 2026
124AQI (US)
124AQI (US)
15th March 2026
100AQI (US)
100AQI (US)
16th March 2026
103AQI (US)
103AQI (US)
17th March 2026
81AQI (US)
81AQI (US)
18th March 2026
82AQI (US)
82AQI (US)
19th March 2026
92AQI (US)
92AQI (US)
20th March 2026
112AQI (US)
112AQI (US)
21st March 2026
113AQI (US)
113AQI (US)
22nd March 2026
131AQI (US)
131AQI (US)
23rd March 2026
137AQI (US)
137AQI (US)
24th March 2026
138AQI (US)
138AQI (US)
25th March 2026
116AQI (US)
116AQI (US)
26th March 2026
142AQI (US)
142AQI (US)
27th March 2026
130AQI (US)
130AQI (US)
28th March 2026
98AQI (US)
98AQI (US)
29th March 2026
122AQI (US)
122AQI (US)
30th March 2026
122AQI (US)
122AQI (US)
31st March 2026
133AQI (US)
133AQI (US)
1st April 2026
133AQI (US)
133AQI (US)
2nd April 2026
105AQI (US)
105AQI (US)
3rd April 2026
101AQI (US)
101AQI (US)
4th April 2026
125AQI (US)
125AQI (US)
5th April 2026
119AQI (US)
119AQI (US)
6th April 2026
119AQI (US)
119AQI (US)
7th April 2026
90AQI (US)
90AQI (US)
8th April 2026
91AQI (US)
91AQI (US)
9th April 2026
105AQI (US)
105AQI (US)
10th April 2026
115AQI (US)
115AQI (US)
11th April 2026
134AQI (US)
134AQI (US)
12th April 2026
124AQI (US)
124AQI (US)
13th April 2026
116AQI (US)
116AQI (US)
14th April 2026
101AQI (US)
101AQI (US)
15th April 2026
124AQI (US)
124AQI (US)
16th April 2026
88AQI (US)
88AQI (US)
17th April 2026
82AQI (US)
82AQI (US)
18th April 2026
96AQI (US)
96AQI (US)
19th April 2026
104AQI (US)
104AQI (US)
20th April 2026
102AQI (US)
102AQI (US)
21st April 2026
109AQI (US)
109AQI (US)
22nd April 2026
109AQI (US)
109AQI (US)
23rd April 2026
122AQI (US)
122AQI (US)
24th April 2026
104AQI (US)
104AQI (US)
25th April 2026
87AQI (US)
87AQI (US)
26th April 2026
89AQI (US)
89AQI (US)
27th April 2026
102AQI (US)
102AQI (US)
28th April 2026
119AQI (US)
119AQI (US)
29th April 2026
79AQI (US)
79AQI (US)
30th April 2026
83AQI (US)
83AQI (US)
1st May 2026
86AQI (US)
86AQI (US)
2nd May 2026
82AQI (US)
82AQI (US)
3rd May 2026
98AQI (US)
98AQI (US)
4th May 2026
70AQI (US)
70AQI (US)
5th May 2026
81AQI (US)
81AQI (US)
6th May 2026
80AQI (US)
80AQI (US)
7th May 2026
104AQI (US)
104AQI (US)
8th May 2026
109AQI (US)
109AQI (US)
9th May 2026
124AQI (US)
124AQI (US)
10th May 2026
105AQI (US)
105AQI (US)
11th May 2026
93AQI (US)
93AQI (US)
12th May 2026
75AQI (US)
75AQI (US)
13th May 2026
60AQI (US)
60AQI (US)
14th May 2026
76AQI (US)
76AQI (US)
15th May 2026
56AQI (US)
56AQI (US)
16th May 2026
77AQI (US)
77AQI (US)
17th May 2026
65AQI (US)
65AQI (US)
18th May 2026
81AQI (US)
81AQI (US)
19th May 2026
92AQI (US)
92AQI (US)
20th May 2026
114AQI (US)
114AQI (US)
21st May 2026
122AQI (US)
122AQI (US)
22nd May 2026
128AQI (US)
128AQI (US)
23rd May 2026
120AQI (US)
120AQI (US)
24th May 2026
121AQI (US)
121AQI (US)
25th May 2026
122AQI (US)
122AQI (US)
26th May 2026
122AQI (US)
122AQI (US)
27th May 2026
99AQI (US)
99AQI (US)
28th May 2026
91AQI (US)
91AQI (US)
29th May 2026
90AQI (US)
90AQI (US)
30th May 2026
92AQI (US)
92AQI (US)
31st May 2026
97AQI (US)
97AQI (US)
1st June 2026
102AQI (US)
102AQI (US)
2nd June 2026
115AQI (US)
115AQI (US)
3rd June 2026
124AQI (US)
124AQI (US)
4th June 2026
122AQI (US)
122AQI (US)
5th June 2026
105AQI (US)
105AQI (US)
6th June 2026
107AQI (US)
107AQI (US)
7th June 2026
97AQI (US)
97AQI (US)
8th June 2026
102AQI (US)
102AQI (US)
9th June 2026
107AQI (US)
107AQI (US)
10th June 2026
109AQI (US)
109AQI (US)
11th June 2026
89AQI (US)
89AQI (US)
12th June 2026
108AQI (US)
108AQI (US)
13th June 2026
98AQI (US)
98AQI (US)
14th June 2026
121AQI (US)
121AQI (US)
15th June 2026
111AQI (US)
111AQI (US)
16th June 2026
104AQI (US)
104AQI (US)
17th June 2026
106AQI (US)
106AQI (US)
18th June 2026
109AQI (US)
109AQI (US)
19th June 2026
88AQI (US)
88AQI (US)
20th June 2026
107AQI (US)
107AQI (US)
21st June 2026
109AQI (US)
109AQI (US)
22nd June 2026
115AQI (US)
115AQI (US)
23rd June 2026
140AQI (US)
140AQI (US)
24th June 2026
146AQI (US)
146AQI (US)
25th June 2026
110AQI (US)
110AQI (US)
26th June 2026
87AQI (US)
87AQI (US)
27th June 2026
74AQI (US)
74AQI (US)
28th June 2026
88AQI (US)
88AQI (US)
29th June 2026
120AQI (US)
120AQI (US)
30th June 2026
101AQI (US)
101AQI (US)
1st July 2026
99AQI (US)
99AQI (US)
2nd July 2026
74AQI (US)
74AQI (US)
3rd July 2026
59AQI (US)
59AQI (US)
4th July 2026
48AQI (US)
48AQI (US)
5th July 2026
49AQI (US)
49AQI (US)
6th July 2026
59AQI (US)
59AQI (US)
7th July 2026
85AQI (US)
85AQI (US)
8th July 2026
86AQI (US)
86AQI (US)
9th July 2026
88AQI (US)
88AQI (US)
10th July 2026
98AQI (US)
98AQI (US)
11th July 2026
110AQI (US)
110AQI (US)
12th July 2026
140AQI (US)
140AQI (US)
13th July 2026
123AQI (US)
123AQI (US)
14th July 2026
112AQI (US)
112AQI (US)
15th July 2026
78AQI (US)
78AQI (US)
16th July 2026
66AQI (US)
66AQI (US)
17th July 2026
88AQI (US)
88AQI (US)
18th July 2026
93AQI (US)
93AQI (US)
19th July 2026
99AQI (US)
99AQI (US)
20th July 2026
99AQI (US)
99AQI (US)
21st July 2026
71AQI (US)
71AQI (US)
22nd July 2026
69AQI (US)
69AQI (US)
23rd July 2026
87AQI (US)
87AQI (US)
24th July 2026
106AQI (US)
106AQI (US)
25th July 2026
97AQI (US)
97AQI (US)
26th July 2026
70AQI (US)
70AQI (US)
27th July 2026
70AQI (US)
70AQI (US)
28th July 2026
72AQI (US)
72AQI (US)
29th July 2026
77AQI (US)
77AQI (US)
30th July 2026
79AQI (US)
79AQI (US)
31st July 2026
79AQI (US)
79AQI (US)
1st August 2026
89AQI (US)
89AQI (US)
2nd August 2026
102AQI (US)
102AQI (US)
3rd August 2026
129AQI (US)
129AQI (US)
4th August 2026
117AQI (US)
117AQI (US)
5th August 2026
115AQI (US)
115AQI (US)
6th August 2026
112AQI (US)
112AQI (US)
7th August 2026
83AQI (US)
83AQI (US)
8th August 2026
71AQI (US)
71AQI (US)
9th August 2026
67AQI (US)
67AQI (US)
10th August 2026
85AQI (US)
85AQI (US)
11th August 2026
84AQI (US)
84AQI (US)
12th August 2026
118AQI (US)
118AQI (US)
13th August 2026
93AQI (US)
93AQI (US)
14th August 2026
97AQI (US)
97AQI (US)
15th August 2026
82AQI (US)
82AQI (US)
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026
221AQI (US)
178AQI (US)
133AQI (US)
106AQI (US)
95AQI (US)
107AQI (US)
85AQI (US)
96AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
2026129AQI (US)
8
23
28
5
15
11
9
21
20
11
7
23
2
24
5
9
6
2
74
81
47
23
Highest AQI (US) recorded in
January221AQI (US)
Lowest AQI (US) recorded in
July85AQI (US)
2025127AQI (US)
2
29
15
13
2
27
2
22
8
29
2
25
5
31
1
30
1
28
1
10
10
10
1
2
1
6
20
1
1
25
5
2
179
71
61
46
6
Highest AQI (US) recorded in
December271AQI (US)
Lowest AQI (US) recorded in
August68AQI (US)
2024122AQI (US)
9
20
1
4
18
7
10
12
9
2
23
5
1
19
11
4
19
7
7
23
1
1
25
5
3
22
5
15
13
3
1
10
18
1
4
27
16
136
95
89
28
1
Highest AQI (US) recorded in
January220AQI (US)
Lowest AQI (US) recorded in
July59AQI (US)
2023108AQI (US)
8
22
7
17
4
16
15
17
11
1
22
4
7
22
1
12
19
4
26
1
4
25
1
8
8
12
4
21
4
1
2
20
7
29
163
71
79
11
Highest AQI (US) recorded in
December181AQI (US)
Lowest AQI (US) recorded in
July52AQI (US)
2022106AQI (US)
1
3
24
2
10
16
7
9
14
4
17
6
1
1
22
8
27
3
23
8
10
2
8
19
1
9
7
6
7
20
10
1
7
20
55
113
73
92
Highest AQI (US) recorded in
January168AQI (US)
Lowest AQI (US) recorded in
August39AQI (US)
2021123AQI (US)
18
2
10
2
24
2
1
7
23
9
19
2
28
3
30
21
9
8
19
2
8
2
4
4
12
7
1
7
12
1
1
3
19
1
92
55
54
105
5
10
Highest AQI (US) recorded in
January315AQI (US)
Lowest AQI (US) recorded in
June37AQI (US)
2020109AQI (US)
1
8
3
2
21
6
1
7
24
10
19
16
15
12
13
1
12
17
1
5
13
11
2
2
6
22
16
4
11
64
125
33
44
4
11
Highest AQI (US) recorded in
December341AQI (US)
Lowest AQI (US) recorded in
August53AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2026(Avg.)
129AQI (US)Least Polluted Year Recorded
2022(Avg.)
106AQI (US)Fort William's annual 2026 AQI (US) (129) shows an average percentage change of 11.9% (worsened AQI (US)) compared to previous years: 2020 (109), 2021 (123), 2022 (106), 2023 (108), 2024 (122), 2025 (127).
