Tangra, 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+
October Air Quality Analysis
Tangra, Kolkata, West Bengal, India
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
23rd Oct 2021
175AQILowest AQI recorded on
6th Oct 2022
31AQISame Day Analysis (7th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 98 of Moderate air quality, showing improvement over 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 7th Oct - 8th Oct 2025
Tangra, Kolkata, West Bengal, India
AQI
Day
Night
.
5 AM7th Oct 2025
5 PM
4 AM8th Oct 2025
Day time
Avg. Highest Time
5PM7th Oct
111AQI
Avg. Lowest Time
5PM7th Oct
111AQI
Night time
Avg. Highest Time
6PM7th Oct
112AQI
Avg. Lowest Time
10PM7th Oct
90AQI
In the last 24 hours,
Tangra's AQI reached its highest point of 112 at 6 PM during the Night, while the lowest point, undefined, was recorded at 4 PM during the Day between 7th Oct and 8th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Tangra, Kolkata, West Bengal, India
SepOct
08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th
Day
Night
8th Sep 2025745 AMAQI
8th Sep 2025826 AMAQI
8th Sep 2025807 AMAQI
8th Sep 2025808 AMAQI
8th Sep 2025799 AMAQI
8th Sep 20259410 AMAQI
8th Sep 20258011 AMAQI
8th Sep 202510712 PMAQI
8th Sep 2025831 PMAQI
8th Sep 2025772 PMAQI
8th Sep 2025873 PMAQI
8th Sep 2025974 PMAQI
8th Sep 2025825 PMAQI
8th Sep 2025936 PMAQI
8th Sep 2025877 PMAQI
8th Sep 2025868 PMAQI
8th Sep 2025959 PMAQI
8th Sep 20259210 PMAQI
8th Sep 20258911 PMAQI
9th Sep 20258712 AMAQI
9th Sep 2025781 AMAQI
9th Sep 2025812 AMAQI
9th Sep 2025793 AMAQI
9th Sep 2025824 AMAQI
30°C26/34°C
9th Sep 2025805 AMAQI
9th Sep 20251046 AMAQI
9th Sep 2025847 AMAQI
9th Sep 2025848 AMAQI
9th Sep 2025969 AMAQI
9th Sep 20259510 AMAQI
9th Sep 20257611 AMAQI
9th Sep 20257512 PMAQI
9th Sep 2025751 PMAQI
9th Sep 2025822 PMAQI
9th Sep 2025853 PMAQI
9th Sep 2025784 PMAQI
9th Sep 2025865 PMAQI
9th Sep 2025816 PMAQI
9th Sep 2025877 PMAQI
9th Sep 2025838 PMAQI
9th Sep 2025909 PMAQI
9th Sep 202510310 PMAQI
9th Sep 20259011 PMAQI
10th Sep 20258712 AMAQI
10th Sep 2025841 AMAQI
10th Sep 2025812 AMAQI
10th Sep 2025773 AMAQI
10th Sep 2025844 AMAQI
30°C27/34°C
10th Sep 2025845 AMAQI
10th Sep 2025906 AMAQI
10th Sep 20251017 AMAQI
10th Sep 2025888 AMAQI
10th Sep 2025969 AMAQI
10th Sep 20258310 AMAQI
10th Sep 20258911 AMAQI
10th Sep 20259912 PMAQI
10th Sep 2025901 PMAQI
10th Sep 2025832 PMAQI
10th Sep 2025923 PMAQI
10th Sep 2025844 PMAQI
10th Sep 2025875 PMAQI
10th Sep 2025896 PMAQI
10th Sep 2025847 PMAQI
10th Sep 2025838 PMAQI
10th Sep 2025899 PMAQI
10th Sep 20258510 PMAQI
10th Sep 20259211 PMAQI
11th Sep 20258312 AMAQI
11th Sep 2025901 AMAQI
11th Sep 2025862 AMAQI
11th Sep 2025953 AMAQI
11th Sep 2025944 AMAQI
30°C27/35°C
11th Sep 2025915 AMAQI
11th Sep 20251006 AMAQI
11th Sep 2025917 AMAQI
11th Sep 2025888 AMAQI
11th Sep 2025869 AMAQI
11th Sep 20259510 AMAQI
11th Sep 202510511 AMAQI
11th Sep 202510712 PMAQI
11th Sep 20251131 PMAQI
11th Sep 2025872 PMAQI
11th Sep 2025973 PMAQI
11th Sep 2025824 PMAQI
11th Sep 2025865 PMAQI
11th Sep 2025866 PMAQI
11th Sep 2025867 PMAQI
11th Sep 2025858 PMAQI
11th Sep 2025909 PMAQI
11th Sep 20258310 PMAQI
11th Sep 20258011 PMAQI
12th Sep 20258012 AMAQI
12th Sep 2025941 AMAQI
12th Sep 2025962 AMAQI
12th Sep 2025913 AMAQI
12th Sep 2025944 AMAQI
30°C27/34°C
12th Sep 2025805 AMAQI
12th Sep 2025656 AMAQI
12th Sep 2025867 AMAQI
12th Sep 2025698 AMAQI
12th Sep 2025879 AMAQI
12th Sep 20258310 AMAQI
12th Sep 20259611 AMAQI
12th Sep 202510112 PMAQI
12th Sep 2025781 PMAQI
12th Sep 2025852 PMAQI
12th Sep 2025813 PMAQI
12th Sep 2025864 PMAQI
12th Sep 2025815 PMAQI
12th Sep 2025846 PMAQI
12th Sep 2025847 PMAQI
12th Sep 2025818 PMAQI
12th Sep 2025859 PMAQI
12th Sep 20259010 PMAQI
12th Sep 20258211 PMAQI
13th Sep 20257712 AMAQI
13th Sep 2025871 AMAQI
13th Sep 2025842 AMAQI
13th Sep 2025823 AMAQI
13th Sep 2025824 AMAQI
29°C27/31°C
13th Sep 2025785 AMAQI
13th Sep 2025756 AMAQI
13th Sep 2025817 AMAQI
13th Sep 2025868 AMAQI
13th Sep 2025909 AMAQI
13th Sep 20256210 AMAQI
13th Sep 20259011 AMAQI
13th Sep 20256812 PMAQI
13th Sep 2025591 PMAQI
13th Sep 2025722 PMAQI
13th Sep 2025843 PMAQI
13th Sep 2025794 PMAQI
13th Sep 2025765 PMAQI
13th Sep 2025846 PMAQI
13th Sep 2025807 PMAQI
13th Sep 2025808 PMAQI
13th Sep 2025839 PMAQI
13th Sep 20258310 PMAQI
13th Sep 20258611 PMAQI
14th Sep 20258612 AMAQI
14th Sep 2025851 AMAQI
14th Sep 2025822 AMAQI
14th Sep 2025843 AMAQI
14th Sep 2025844 AMAQI
29°C26/32°C
14th Sep 2025815 AMAQI
14th Sep 20251066 AMAQI
14th Sep 2025627 AMAQI
14th Sep 2025648 AMAQI
14th Sep 2025649 AMAQI
14th Sep 20256210 AMAQI
14th Sep 20257211 AMAQI
14th Sep 20257412 PMAQI
14th Sep 2025631 PMAQI
14th Sep 2025762 PMAQI
14th Sep 2025693 PMAQI
14th Sep 2025644 PMAQI
14th Sep 2025775 PMAQI
14th Sep 2025766 PMAQI
14th Sep 2025797 PMAQI
14th Sep 2025798 PMAQI
14th Sep 2025759 PMAQI
14th Sep 20257410 PMAQI
14th Sep 20257611 PMAQI
15th Sep 20258412 AMAQI
15th Sep 2025821 AMAQI
15th Sep 2025822 AMAQI
15th Sep 2025813 AMAQI
15th Sep 2025794 AMAQI
29°C26/32°C
15th Sep 2025745 AMAQI
15th Sep 2025646 AMAQI
15th Sep 2025727 AMAQI
15th Sep 2025608 AMAQI
15th Sep 2025619 AMAQI
15th Sep 20255710 AMAQI
15th Sep 20256011 AMAQI
15th Sep 20256012 PMAQI
15th Sep 2025641 PMAQI
15th Sep 2025652 PMAQI
15th Sep 2025683 PMAQI
15th Sep 2025684 PMAQI
15th Sep 2025705 PMAQI
15th Sep 2025696 PMAQI
15th Sep 2025727 PMAQI
15th Sep 2025778 PMAQI
15th Sep 2025809 PMAQI
15th Sep 20258010 PMAQI
15th Sep 20257311 PMAQI
16th Sep 20257812 AMAQI
16th Sep 2025741 AMAQI
16th Sep 2025742 AMAQI
16th Sep 2025753 AMAQI
16th Sep 2025764 AMAQI
27°C26/28°C
16th Sep 2025705 AMAQI
16th Sep 2025626 AMAQI
16th Sep 2025577 AMAQI
16th Sep 2025668 AMAQI
16th Sep 2025569 AMAQI
16th Sep 20255610 AMAQI
16th Sep 20255711 AMAQI
16th Sep 20255912 PMAQI
16th Sep 2025641 PMAQI
16th Sep 2025612 PMAQI
16th Sep 2025613 PMAQI
16th Sep 2025704 PMAQI
16th Sep 2025685 PMAQI
16th Sep 2025726 PMAQI
16th Sep 2025737 PMAQI
16th Sep 2025758 PMAQI
16th Sep 2025729 PMAQI
16th Sep 20257310 PMAQI
16th Sep 20257411 PMAQI
17th Sep 20257312 AMAQI
17th Sep 2025681 AMAQI
17th Sep 2025692 AMAQI
17th Sep 2025693 AMAQI
17th Sep 2025704 AMAQI
27°C25/31°C
17th Sep 2025705 AMAQI
17th Sep 2025666 AMAQI
17th Sep 2025687 AMAQI
17th Sep 2025658 AMAQI
17th Sep 2025629 AMAQI
17th Sep 20256110 AMAQI
17th Sep 20256511 AMAQI
17th Sep 20256812 PMAQI
17th Sep 2025621 PMAQI
17th Sep 2025702 PMAQI
17th Sep 2025673 PMAQI
17th Sep 2025684 PMAQI
17th Sep 2025635 PMAQI
17th Sep 2025686 PMAQI
17th Sep 2025697 PMAQI
17th Sep 2025728 PMAQI
17th Sep 2025709 PMAQI
17th Sep 20257410 PMAQI
17th Sep 20257611 PMAQI
18th Sep 20257612 AMAQI
18th Sep 2025711 AMAQI
18th Sep 2025692 AMAQI
18th Sep 2025683 AMAQI
18th Sep 2025694 AMAQI
28°C26/33°C
18th Sep 2025705 AMAQI
18th Sep 2025686 AMAQI
18th Sep 2025697 AMAQI
18th Sep 2025758 AMAQI
18th Sep 2025689 AMAQI
18th Sep 20256910 AMAQI
18th Sep 20256811 AMAQI
18th Sep 20257612 PMAQI
18th Sep 2025691 PMAQI
18th Sep 2025722 PMAQI
18th Sep 2025733 PMAQI
18th Sep 2025724 PMAQI
18th Sep 2025725 PMAQI
18th Sep 2025716 PMAQI
18th Sep 2025737 PMAQI
18th Sep 2025708 PMAQI
18th Sep 2025729 PMAQI
18th Sep 20257310 PMAQI
18th Sep 20257811 PMAQI
19th Sep 20258012 AMAQI
19th Sep 2025701 AMAQI
19th Sep 2025712 AMAQI
19th Sep 2025703 AMAQI
19th Sep 2025714 AMAQI
29°C26/33°C
19th Sep 2025725 AMAQI
19th Sep 2025716 AMAQI
19th Sep 2025787 AMAQI
19th Sep 2025758 AMAQI
19th Sep 2025759 AMAQI
19th Sep 20258210 AMAQI
19th Sep 20258511 AMAQI
19th Sep 20258312 PMAQI
19th Sep 2025961 PMAQI
19th Sep 2025832 PMAQI
19th Sep 2025863 PMAQI
19th Sep 2025964 PMAQI
19th Sep 2025805 PMAQI
19th Sep 2025826 PMAQI
19th Sep 2025897 PMAQI
19th Sep 2025918 PMAQI
19th Sep 2025899 PMAQI
19th Sep 20258910 PMAQI
19th Sep 20259011 PMAQI
20th Sep 20258512 AMAQI
20th Sep 2025781 AMAQI
20th Sep 2025762 AMAQI
20th Sep 2025773 AMAQI
20th Sep 2025764 AMAQI
30°C26/34°C
20th Sep 2025795 AMAQI
20th Sep 2025936 AMAQI
20th Sep 2025867 AMAQI
20th Sep 2025978 AMAQI
20th Sep 2025959 AMAQI
20th Sep 202510510 AMAQI
20th Sep 202511111 AMAQI
20th Sep 202510812 PMAQI
20th Sep 2025951 PMAQI
20th Sep 20251142 PMAQI
20th Sep 2025943 PMAQI
20th Sep 2025824 PMAQI
20th Sep 2025865 PMAQI
20th Sep 2025836 PMAQI
20th Sep 2025847 PMAQI
20th Sep 2025928 PMAQI
20th Sep 2025849 PMAQI
20th Sep 20259010 PMAQI
20th Sep 20258811 PMAQI
21st Sep 20259212 AMAQI
21st Sep 2025861 AMAQI
21st Sep 2025872 AMAQI
21st Sep 2025883 AMAQI
21st Sep 2025874 AMAQI
30°C27/34°C
21st Sep 2025955 AMAQI
21st Sep 20251196 AMAQI
21st Sep 20251067 AMAQI
21st Sep 20251238 AMAQI
21st Sep 20251229 AMAQI
21st Sep 202511910 AMAQI
21st Sep 202511711 AMAQI
21st Sep 202512512 PMAQI
21st Sep 20251211 PMAQI
21st Sep 20251222 PMAQI
21st Sep 20251223 PMAQI
21st Sep 20251064 PMAQI
21st Sep 20251105 PMAQI
21st Sep 20251106 PMAQI
21st Sep 20251067 PMAQI
21st Sep 20251148 PMAQI
21st Sep 20251089 PMAQI
21st Sep 202510210 PMAQI
21st Sep 202510611 PMAQI
22nd Sep 202511012 AMAQI
22nd Sep 20251091 AMAQI
22nd Sep 20251062 AMAQI
22nd Sep 20251023 AMAQI
22nd Sep 20251024 AMAQI
29°C26/34°C
22nd Sep 2025975 AMAQI
22nd Sep 2025866 AMAQI
22nd Sep 2025927 AMAQI
22nd Sep 20251098 AMAQI
22nd Sep 20251009 AMAQI
22nd Sep 202510210 AMAQI
22nd Sep 202510911 AMAQI
22nd Sep 202511512 PMAQI
22nd Sep 20251291 PMAQI
22nd Sep 20251182 PMAQI
22nd Sep 2025993 PMAQI
22nd Sep 2025914 PMAQI
22nd Sep 2025955 PMAQI
22nd Sep 2025886 PMAQI
22nd Sep 2025867 PMAQI
22nd Sep 2025888 PMAQI
22nd Sep 2025859 PMAQI
22nd Sep 20258610 PMAQI
22nd Sep 20259811 PMAQI
23rd Sep 20259112 AMAQI
23rd Sep 2025991 AMAQI
23rd Sep 20251052 AMAQI
23rd Sep 20251003 AMAQI
23rd Sep 20251054 AMAQI
27°C26/29°C
23rd Sep 20251025 AMAQI
23rd Sep 2025646 AMAQI
23rd Sep 2025647 AMAQI
23rd Sep 2025558 AMAQI
23rd Sep 2025559 AMAQI
23rd Sep 20255410 AMAQI
23rd Sep 20255611 AMAQI
23rd Sep 20256112 PMAQI
23rd Sep 2025641 PMAQI
23rd Sep 2025632 PMAQI
23rd Sep 2025613 PMAQI
23rd Sep 2025704 PMAQI
23rd Sep 2025775 PMAQI
23rd Sep 2025766 PMAQI
23rd Sep 2025807 PMAQI
23rd Sep 2025808 PMAQI
23rd Sep 2025869 PMAQI
23rd Sep 20258810 PMAQI
23rd Sep 20258411 PMAQI
24th Sep 20258612 AMAQI
24th Sep 2025931 AMAQI
24th Sep 2025862 AMAQI
24th Sep 2025843 AMAQI
24th Sep 2025864 AMAQI
27°C25/30°C
24th Sep 2025825 AMAQI
24th Sep 2025766 AMAQI
24th Sep 2025817 AMAQI
24th Sep 2025798 AMAQI
24th Sep 2025809 AMAQI
24th Sep 20257210 AMAQI
24th Sep 20256811 AMAQI
24th Sep 20256412 PMAQI
24th Sep 2025611 PMAQI
24th Sep 2025642 PMAQI
24th Sep 2025703 PMAQI
24th Sep 2025774 PMAQI
24th Sep 2025835 PMAQI
24th Sep 2025826 PMAQI
24th Sep 2025777 PMAQI
24th Sep 2025778 PMAQI
24th Sep 2025799 PMAQI
24th Sep 20258110 PMAQI
24th Sep 20258211 PMAQI
25th Sep 20258112 AMAQI
25th Sep 2025851 AMAQI
25th Sep 2025832 AMAQI
25th Sep 2025843 AMAQI
25th Sep 2025844 AMAQI
28°C25/32°C
25th Sep 2025795 AMAQI
25th Sep 2025766 AMAQI
25th Sep 2025697 AMAQI
25th Sep 2025848 AMAQI
25th Sep 2025799 AMAQI
25th Sep 20257610 AMAQI
25th Sep 20257311 AMAQI
25th Sep 20257212 PMAQI
25th Sep 2025721 PMAQI
25th Sep 2025682 PMAQI
25th Sep 2025643 PMAQI
25th Sep 2025634 PMAQI
25th Sep 2025625 PMAQI
25th Sep 2025656 PMAQI
25th Sep 2025707 PMAQI
25th Sep 2025758 PMAQI
25th Sep 2025759 PMAQI
25th Sep 20256910 PMAQI
25th Sep 20256611 PMAQI
26th Sep 20256812 AMAQI
26th Sep 2025741 AMAQI
26th Sep 2025762 AMAQI
26th Sep 2025773 AMAQI
26th Sep 2025784 AMAQI
29°C26/33°C
26th Sep 2025785 AMAQI
26th Sep 2025766 AMAQI
26th Sep 2025797 AMAQI
26th Sep 2025818 AMAQI
26th Sep 2025769 AMAQI
26th Sep 20257710 AMAQI
26th Sep 20257111 AMAQI
26th Sep 20256512 PMAQI
26th Sep 2025581 PMAQI
26th Sep 2025582 PMAQI
26th Sep 2025623 PMAQI
26th Sep 2025654 PMAQI
26th Sep 2025645 PMAQI
26th Sep 2025626 PMAQI
26th Sep 2025617 PMAQI
26th Sep 2025628 PMAQI
26th Sep 2025629 PMAQI
26th Sep 20256410 PMAQI
26th Sep 20256511 PMAQI
27th Sep 20256212 AMAQI
27th Sep 2025601 AMAQI
27th Sep 2025632 AMAQI
27th Sep 2025633 AMAQI
27th Sep 2025614 AMAQI
29°C26/33°C
27th Sep 2025605 AMAQI
27th Sep 2025616 AMAQI
27th Sep 2025627 AMAQI
27th Sep 2025628 AMAQI
27th Sep 2025649 AMAQI
27th Sep 20256610 AMAQI
27th Sep 20256511 AMAQI
27th Sep 20256212 PMAQI
27th Sep 2025661 PMAQI
27th Sep 2025682 PMAQI
27th Sep 2025663 PMAQI
27th Sep 2025684 PMAQI
27th Sep 2025675 PMAQI
27th Sep 2025666 PMAQI
27th Sep 2025687 PMAQI
27th Sep 2025698 PMAQI
27th Sep 2025699 PMAQI
27th Sep 20257310 PMAQI
27th Sep 20257311 PMAQI
28th Sep 20257112 AMAQI
28th Sep 2025701 AMAQI
28th Sep 2025692 AMAQI
28th Sep 2025693 AMAQI
28th Sep 2025694 AMAQI
29°C26/33°C
28th Sep 2025695 AMAQI
28th Sep 2025696 AMAQI
28th Sep 2025687 AMAQI
28th Sep 2025688 AMAQI
28th Sep 2025699 AMAQI
28th Sep 20256910 AMAQI
28th Sep 20256611 AMAQI
28th Sep 20256712 PMAQI
28th Sep 2025681 PMAQI
28th Sep 2025652 PMAQI
28th Sep 2025643 PMAQI
28th Sep 2025684 PMAQI
28th Sep 2025675 PMAQI
28th Sep 2025636 PMAQI
28th Sep 2025657 PMAQI
28th Sep 2025688 PMAQI
28th Sep 2025689 PMAQI
28th Sep 20256710 PMAQI
28th Sep 20255911 PMAQI
29th Sep 20255812 AMAQI
29th Sep 2025581 AMAQI
29th Sep 2025582 AMAQI
29th Sep 2025623 AMAQI
29th Sep 2025654 AMAQI
29°C26/33°C
29th Sep 2025625 AMAQI
29th Sep 2025616 AMAQI
29th Sep 2025607 AMAQI
29th Sep 2025578 AMAQI
29th Sep 2025569 AMAQI
29th Sep 20255410 AMAQI
29th Sep 20255411 AMAQI
29th Sep 20256212 PMAQI
29th Sep 2025641 PMAQI
29th Sep 2025632 PMAQI
29th Sep 2025633 PMAQI
29th Sep 2025644 PMAQI
29th Sep 2025655 PMAQI
29th Sep 2025646 PMAQI
29th Sep 2025727 PMAQI
29th Sep 2025728 PMAQI
29th Sep 2025789 PMAQI
29th Sep 20258110 PMAQI
29th Sep 20258011 PMAQI
30th Sep 20258012 AMAQI
30th Sep 2025841 AMAQI
30th Sep 2025872 AMAQI
30th Sep 2025813 AMAQI
30th Sep 2025754 AMAQI
29°C26/33°C
30th Sep 2025745 AMAQI
30th Sep 2025756 AMAQI
30th Sep 2025667 AMAQI
30th Sep 2025718 AMAQI
30th Sep 2025839 AMAQI
30th Sep 20258510 AMAQI
30th Sep 20259211 AMAQI
30th Sep 20258712 PMAQI
30th Sep 2025901 PMAQI
30th Sep 2025762 PMAQI
30th Sep 2025743 PMAQI
30th Sep 2025824 PMAQI
30th Sep 2025925 PMAQI
30th Sep 2025806 PMAQI
30th Sep 2025887 PMAQI
30th Sep 2025868 PMAQI
30th Sep 2025829 PMAQI
30th Sep 20258910 PMAQI
30th Sep 20259011 PMAQI
1st Oct 20258112 AMAQI
1st Oct 2025721 AMAQI
1st Oct 2025692 AMAQI
1st Oct 2025713 AMAQI
1st Oct 2025684 AMAQI
31°C27/35°C
1st Oct 2025685 AMAQI
1st Oct 2025606 AMAQI
1st Oct 2025577 AMAQI
1st Oct 2025568 AMAQI
1st Oct 2025639 AMAQI
1st Oct 20256710 AMAQI
1st Oct 20256711 AMAQI
1st Oct 20256412 PMAQI
1st Oct 2025641 PMAQI
1st Oct 2025682 PMAQI
1st Oct 2025613 PMAQI
1st Oct 2025644 PMAQI
1st Oct 2025605 PMAQI
1st Oct 2025666 PMAQI
1st Oct 2025597 PMAQI
1st Oct 2025568 PMAQI
1st Oct 2025509 PMAQI
1st Oct 20255010 PMAQI
1st Oct 20255411 PMAQI
2nd Oct 20255312 AMAQI
2nd Oct 2025491 AMAQI
2nd Oct 2025522 AMAQI
2nd Oct 2025503 AMAQI
2nd Oct 2025564 AMAQI
30°C27/34°C
2nd Oct 2025555 AMAQI
2nd Oct 2025556 AMAQI
2nd Oct 2025557 AMAQI
2nd Oct 2025538 AMAQI
2nd Oct 2025479 AMAQI
2nd Oct 20255210 AMAQI
2nd Oct 20254911 AMAQI
2nd Oct 20255312 PMAQI
2nd Oct 2025501 PMAQI
2nd Oct 2025452 PMAQI
2nd Oct 2025443 PMAQI
2nd Oct 2025494 PMAQI
2nd Oct 2025425 PMAQI
2nd Oct 2025486 PMAQI
2nd Oct 2025437 PMAQI
2nd Oct 2025408 PMAQI
2nd Oct 2025429 PMAQI
2nd Oct 20254610 PMAQI
2nd Oct 20254611 PMAQI
3rd Oct 20254812 AMAQI
3rd Oct 2025491 AMAQI
3rd Oct 2025482 AMAQI
3rd Oct 2025463 AMAQI
3rd Oct 2025434 AMAQI
26°C25/27°C
3rd Oct 2025445 AMAQI
3rd Oct 2025536 AMAQI
3rd Oct 2025507 AMAQI
3rd Oct 2025528 AMAQI
3rd Oct 2025539 AMAQI
3rd Oct 20255510 AMAQI
3rd Oct 20255511 AMAQI
3rd Oct 20255512 PMAQI
3rd Oct 2025561 PMAQI
3rd Oct 2025582 PMAQI
3rd Oct 2025563 PMAQI
3rd Oct 2025604 PMAQI
3rd Oct 2025525 PMAQI
3rd Oct 2025736 PMAQI
3rd Oct 2025727 PMAQI
3rd Oct 2025748 PMAQI
3rd Oct 2025729 PMAQI
3rd Oct 20257010 PMAQI
3rd Oct 20257411 PMAQI
4th Oct 20257512 AMAQI
4th Oct 2025791 AMAQI
4th Oct 2025782 AMAQI
4th Oct 2025803 AMAQI
4th Oct 2025844 AMAQI
27°C25/29°C
4th Oct 2025805 AMAQI
4th Oct 2025826 AMAQI
4th Oct 2025757 AMAQI
4th Oct 2025748 AMAQI
4th Oct 2025729 AMAQI
4th Oct 20257410 AMAQI
4th Oct 20257611 AMAQI
4th Oct 20258012 PMAQI
4th Oct 2025851 PMAQI
4th Oct 2025892 PMAQI
4th Oct 20251013 PMAQI
4th Oct 2025974 PMAQI
4th Oct 20251005 PMAQI
4th Oct 2025956 PMAQI
4th Oct 2025947 PMAQI
4th Oct 2025868 PMAQI
4th Oct 2025849 PMAQI
4th Oct 20258910 PMAQI
4th Oct 20258611 PMAQI
5th Oct 20258412 AMAQI
5th Oct 2025771 AMAQI
5th Oct 2025762 AMAQI
5th Oct 2025743 AMAQI
5th Oct 2025804 AMAQI
28°C25/30°C
5th Oct 2025765 AMAQI
5th Oct 2025756 AMAQI
5th Oct 2025707 AMAQI
5th Oct 2025628 AMAQI
5th Oct 2025639 AMAQI
5th Oct 20256410 AMAQI
5th Oct 20257411 AMAQI
5th Oct 20257612 PMAQI
5th Oct 2025801 PMAQI
5th Oct 2025722 PMAQI
5th Oct 2025703 PMAQI
5th Oct 2025734 PMAQI
5th Oct 2025765 PMAQI
5th Oct 2025766 PMAQI
5th Oct 2025727 PMAQI
5th Oct 2025698 PMAQI
5th Oct 2025739 PMAQI
5th Oct 20257710 PMAQI
5th Oct 20257611 PMAQI
6th Oct 20257812 AMAQI
6th Oct 2025811 AMAQI
6th Oct 2025832 AMAQI
6th Oct 2025853 AMAQI
6th Oct 2025824 AMAQI
28°C26/31°C
6th Oct 2025875 AMAQI
6th Oct 2025956 AMAQI
6th Oct 2025977 AMAQI
6th Oct 2025958 AMAQI
6th Oct 20251009 AMAQI
6th Oct 202510110 AMAQI
6th Oct 202510011 AMAQI
6th Oct 202510312 PMAQI
6th Oct 20251041 PMAQI
6th Oct 20251012 PMAQI
6th Oct 20251043 PMAQI
6th Oct 20251044 PMAQI
6th Oct 20251085 PMAQI
6th Oct 20251206 PMAQI
6th Oct 20251427 PMAQI
6th Oct 20251428 PMAQI
6th Oct 20251279 PMAQI
6th Oct 202512410 PMAQI
28°C25/31°C
7th Oct 20251115 PMAQI
7th Oct 20251126 PMAQI
7th Oct 2025937 PMAQI
7th Oct 2025948 PMAQI
7th Oct 2025939 PMAQI
7th Oct 20259010 PMAQI
7th Oct 20259811 PMAQI
8th Oct 20259312 AMAQI
8th Oct 2025941 AMAQI
8th Oct 2025952 AMAQI
8th Oct 2025993 AMAQI
8th Oct 20251014 AMAQI
28°C25/31°C
8th Oct 2025995 AMAQI
5 AM8th Oct 20251026 AMAQI
8th Oct 20251047 AMAQI
8th Oct 20251098 AMAQI
8th Oct 20251139 AMAQI
8th Oct 202511710 AMAQI
8th Oct 202511911 AMAQI
11 AM8th Oct 202512712 PMAQI
8th Oct 20251241 PMAQI
8th Oct 20251352 PMAQI
8th Oct 20251273 PMAQI
8th Oct 20251324 PMAQI
8th Oct 20251175 PMAQI
5 PM8th Oct 20251166 PMAQI
8th Oct 20251037 PMAQI
8th Oct 20251048 PMAQI
8th Oct 2025979 PMAQI
8th Oct 20259810 PMAQI
8th Oct 20259711 PMAQI
11 PM4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 5 PM
78AQI
13 hours / Day
390 hours / Month
Avg. Lowest Time
5 AM - 5 PM
78AQI
13 hours / Day
390 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 5 PM (Avg. 78), while the lowest AQI was between 5 AM to 5 PM (Avg. 78).
Night time
Avg. Highest Time
12 AM - 11 PM
80AQI
11 hours / Day
330 hours / Month
Avg. Lowest Time
12 AM - 11 PM
80AQI
11 hours / Day
330 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 80), while the lowest AQI was between 12 AM to 11 PM (Avg. 80).
2025 Days Vs Air Quality
Tangra, Kolkata, West Bengal, India
2025
0.3%
1
63%
176
21%
60
15%
43
Total number of days with different AQI categories in last 281 days in 2025 (84 days remaining)
Good
1 DaysModerate
176 DaysPoor
60 DaysUnhealthy
43 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 0.36%
Health Risk Level:
Extreme
In 2025, 0.36% of 281 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
Tangra, Kolkata, West Bengal, India
AQI levels in 2025
AQI
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 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
180AQI
180AQI
2nd January 2025
165AQI
165AQI
3rd January 2025
185AQI
185AQI
4th January 2025
180AQI
180AQI
5th January 2025
175AQI
175AQI
6th January 2025
168AQI
168AQI
7th January 2025
174AQI
174AQI
8th January 2025
155AQI
155AQI
9th January 2025
162AQI
162AQI
10th January 2025
178AQI
178AQI
11th January 2025
185AQI
185AQI
12th January 2025
186AQI
186AQI
13th January 2025
190AQI
190AQI
14th January 2025
184AQI
184AQI
15th January 2025
167AQI
167AQI
16th January 2025
171AQI
171AQI
17th January 2025
167AQI
167AQI
18th January 2025
168AQI
168AQI
19th January 2025
161AQI
161AQI
20th January 2025
168AQI
168AQI
21st January 2025
171AQI
171AQI
22nd January 2025
173AQI
173AQI
23rd January 2025
180AQI
180AQI
24th January 2025
182AQI
182AQI
25th January 2025
178AQI
178AQI
26th January 2025
156AQI
156AQI
27th January 2025
166AQI
166AQI
28th January 2025
171AQI
171AQI
29th January 2025
161AQI
161AQI
30th January 2025
150AQI
150AQI
31st January 2025
144AQI
144AQI
1st February 2025
139AQI
139AQI
2nd February 2025
158AQI
158AQI
3rd February 2025
157AQI
157AQI
4th February 2025
153AQI
153AQI
5th February 2025
169AQI
169AQI
6th February 2025
156AQI
156AQI
7th February 2025
149AQI
149AQI
8th February 2025
151AQI
151AQI
9th February 2025
159AQI
159AQI
10th February 2025
162AQI
162AQI
11th February 2025
149AQI
149AQI
12th February 2025
146AQI
146AQI
13th February 2025
143AQI
143AQI
14th February 2025
154AQI
154AQI
15th February 2025
155AQI
155AQI
16th February 2025
146AQI
146AQI
17th February 2025
129AQI
129AQI
18th February 2025
130AQI
130AQI
19th February 2025
134AQI
134AQI
20th February 2025
126AQI
126AQI
21st February 2025
136AQI
136AQI
22nd February 2025
127AQI
127AQI
23rd February 2025
136AQI
136AQI
24th February 2025
144AQI
144AQI
25th February 2025
154AQI
154AQI
26th February 2025
154AQI
154AQI
27th February 2025
164AQI
164AQI
28th February 2025
157AQI
157AQI
1st March 2025
132AQI
132AQI
2nd March 2025
141AQI
141AQI
3rd March 2025
139AQI
139AQI
4th March 2025
132AQI
132AQI
5th March 2025
145AQI
145AQI
6th March 2025
127AQI
127AQI
7th March 2025
148AQI
148AQI
8th March 2025
137AQI
137AQI
9th March 2025
137AQI
137AQI
10th March 2025
133AQI
133AQI
11th March 2025
114AQI
114AQI
12th March 2025
127AQI
127AQI
13th March 2025
114AQI
114AQI
14th March 2025
118AQI
118AQI
15th March 2025
109AQI
109AQI
16th March 2025
101AQI
101AQI
17th March 2025
104AQI
104AQI
18th March 2025
108AQI
108AQI
19th March 2025
136AQI
136AQI
20th March 2025
107AQI
107AQI
21st March 2025
123AQI
123AQI
22nd March 2025
88AQI
88AQI
23rd March 2025
126AQI
126AQI
24th March 2025
134AQI
134AQI
25th March 2025
146AQI
146AQI
26th March 2025
116AQI
116AQI
27th March 2025
125AQI
125AQI
28th March 2025
134AQI
134AQI
29th March 2025
145AQI
145AQI
30th March 2025
139AQI
139AQI
31st March 2025
122AQI
122AQI
1st April 2025
111AQI
111AQI
2nd April 2025
94AQI
94AQI
3rd April 2025
96AQI
96AQI
4th April 2025
113AQI
113AQI
5th April 2025
114AQI
114AQI
6th April 2025
101AQI
101AQI
7th April 2025
82AQI
82AQI
8th April 2025
77AQI
77AQI
9th April 2025
68AQI
68AQI
10th April 2025
67AQI
67AQI
11th April 2025
69AQI
69AQI
12th April 2025
73AQI
73AQI
13th April 2025
79AQI
79AQI
14th April 2025
87AQI
87AQI
15th April 2025
94AQI
94AQI
16th April 2025
96AQI
96AQI
17th April 2025
79AQI
79AQI
18th April 2025
74AQI
74AQI
19th April 2025
93AQI
93AQI
20th April 2025
96AQI
96AQI
21st April 2025
91AQI
91AQI
22nd April 2025
87AQI
87AQI
23rd April 2025
99AQI
99AQI
24th April 2025
88AQI
88AQI
25th April 2025
82AQI
82AQI
26th April 2025
70AQI
70AQI
27th April 2025
88AQI
88AQI
28th April 2025
105AQI
105AQI
29th April 2025
78AQI
78AQI
30th April 2025
84AQI
84AQI
1st May 2025
80AQI
80AQI
2nd May 2025
80AQI
80AQI
3rd May 2025
79AQI
79AQI
4th May 2025
79AQI
79AQI
5th May 2025
83AQI
83AQI
6th May 2025
85AQI
85AQI
7th May 2025
92AQI
92AQI
8th May 2025
92AQI
92AQI
9th May 2025
93AQI
93AQI
10th May 2025
106AQI
106AQI
11th May 2025
109AQI
109AQI
12th May 2025
99AQI
99AQI
13th May 2025
90AQI
90AQI
14th May 2025
92AQI
92AQI
15th May 2025
80AQI
80AQI
16th May 2025
80AQI
80AQI
17th May 2025
76AQI
76AQI
18th May 2025
67AQI
67AQI
19th May 2025
60AQI
60AQI
20th May 2025
60AQI
60AQI
21st May 2025
63AQI
63AQI
22nd May 2025
73AQI
73AQI
23rd May 2025
65AQI
65AQI
24th May 2025
68AQI
68AQI
25th May 2025
62AQI
62AQI
26th May 2025
60AQI
60AQI
27th May 2025
60AQI
60AQI
28th May 2025
59AQI
59AQI
29th May 2025
60AQI
60AQI
30th May 2025
64AQI
64AQI
31st May 2025
82AQI
82AQI
1st June 2025
89AQI
89AQI
2nd June 2025
109AQI
109AQI
3rd June 2025
100AQI
100AQI
4th June 2025
86AQI
86AQI
5th June 2025
86AQI
86AQI
6th June 2025
93AQI
93AQI
7th June 2025
107AQI
107AQI
8th June 2025
114AQI
114AQI
9th June 2025
110AQI
110AQI
10th June 2025
108AQI
108AQI
11th June 2025
93AQI
93AQI
12th June 2025
76AQI
76AQI
13th June 2025
71AQI
71AQI
14th June 2025
74AQI
74AQI
15th June 2025
72AQI
72AQI
16th June 2025
63AQI
63AQI
17th June 2025
64AQI
64AQI
18th June 2025
64AQI
64AQI
19th June 2025
64AQI
64AQI
20th June 2025
66AQI
66AQI
21st June 2025
75AQI
75AQI
22nd June 2025
84AQI
84AQI
23rd June 2025
79AQI
79AQI
24th June 2025
70AQI
70AQI
25th June 2025
69AQI
69AQI
26th June 2025
63AQI
63AQI
27th June 2025
61AQI
61AQI
28th June 2025
67AQI
67AQI
29th June 2025
67AQI
67AQI
30th June 2025
70AQI
70AQI
1st July 2025
68AQI
68AQI
2nd July 2025
62AQI
62AQI
3rd July 2025
65AQI
65AQI
4th July 2025
68AQI
68AQI
5th July 2025
70AQI
70AQI
6th July 2025
67AQI
67AQI
7th July 2025
65AQI
65AQI
8th July 2025
61AQI
61AQI
9th July 2025
64AQI
64AQI
10th July 2025
62AQI
62AQI
11th July 2025
65AQI
65AQI
12th July 2025
68AQI
68AQI
13th July 2025
71AQI
71AQI
14th July 2025
66AQI
66AQI
15th July 2025
67AQI
67AQI
16th July 2025
70AQI
70AQI
17th July 2025
70AQI
70AQI
18th July 2025
70AQI
70AQI
19th July 2025
70AQI
70AQI
20th July 2025
69AQI
69AQI
21st July 2025
70AQI
70AQI
22nd July 2025
66AQI
66AQI
23rd July 2025
65AQI
65AQI
24th July 2025
65AQI
65AQI
25th July 2025
64AQI
64AQI
26th July 2025
60AQI
60AQI
27th July 2025
60AQI
60AQI
28th July 2025
65AQI
65AQI
29th July 2025
66AQI
66AQI
30th July 2025
59AQI
59AQI
31st July 2025
66AQI
66AQI
1st August 2025
74AQI
74AQI
2nd August 2025
77AQI
77AQI
3rd August 2025
75AQI
75AQI
4th August 2025
77AQI
77AQI
5th August 2025
76AQI
76AQI
6th August 2025
74AQI
74AQI
7th August 2025
83AQI
83AQI
8th August 2025
76AQI
76AQI
9th August 2025
64AQI
64AQI
10th August 2025
61AQI
61AQI
11th August 2025
64AQI
64AQI
12th August 2025
73AQI
73AQI
13th August 2025
67AQI
67AQI
14th August 2025
62AQI
62AQI
15th August 2025
59AQI
59AQI
16th August 2025
59AQI
59AQI
17th August 2025
59AQI
59AQI
18th August 2025
56AQI
56AQI
19th August 2025
58AQI
58AQI
20th August 2025
59AQI
59AQI
21st August 2025
63AQI
63AQI
22nd August 2025
69AQI
69AQI
23rd August 2025
66AQI
66AQI
24th August 2025
68AQI
68AQI
25th August 2025
67AQI
67AQI
26th August 2025
72AQI
72AQI
27th August 2025
68AQI
68AQI
28th August 2025
67AQI
67AQI
29th August 2025
66AQI
66AQI
30th August 2025
66AQI
66AQI
31st August 2025
72AQI
72AQI
1st September 2025
81AQI
81AQI
2nd September 2025
72AQI
72AQI
3rd September 2025
65AQI
65AQI
4th September 2025
62AQI
62AQI
5th September 2025
65AQI
65AQI
6th September 2025
75AQI
75AQI
7th September 2025
80AQI
80AQI
8th September 2025
84AQI
84AQI
9th September 2025
87AQI
87AQI
10th September 2025
88AQI
88AQI
11th September 2025
89AQI
89AQI
12th September 2025
85AQI
85AQI
13th September 2025
78AQI
78AQI
14th September 2025
79AQI
79AQI
15th September 2025
74AQI
74AQI
16th September 2025
70AQI
70AQI
17th September 2025
69AQI
69AQI
18th September 2025
72AQI
72AQI
19th September 2025
83AQI
83AQI
20th September 2025
90AQI
90AQI
21st September 2025
106AQI
106AQI
22nd September 2025
102AQI
102AQI
23rd September 2025
81AQI
81AQI
24th September 2025
81AQI
81AQI
25th September 2025
74AQI
74AQI
26th September 2025
68AQI
68AQI
27th September 2025
65AQI
65AQI
28th September 2025
68AQI
68AQI
29th September 2025
64AQI
64AQI
30th September 2025
82AQI
82AQI
1st October 2025
67AQI
67AQI
2nd October 2025
50AQI
50AQI
3rd October 2025
56AQI
56AQI
4th October 2025
83AQI
83AQI
5th October 2025
76AQI
76AQI
6th October 2025
98AQI
98AQI
7th October 2025
98AQI
98AQI
8th October 2025
9th October 2025
10th October 2025
11th October 2025
12th October 2025
13th October 2025
14th October 2025
15th October 2025
16th October 2025
17th October 2025
18th October 2025
19th October 2025
20th October 2025
21st October 2025
22nd October 2025
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025
171AQI
148AQI
126AQI
88AQI
77AQI
80AQI
66AQI
68AQI
78AQI
75AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202599AQI
2
29
14
14
1
30
25
5
29
2
25
5
31
31
28
2
1
6
1
176
60
43
Highest AQI recorded in
January171AQI
Lowest AQI recorded in
July66AQI
2024118AQI
14
16
1
5
18
6
5
17
9
1
27
2
4
25
2
2
28
9
22
3
23
5
6
17
6
1
15
15
1
1
12
16
1
3
28
24
137
92
89
23
1
Highest AQI recorded in
January213AQI
Lowest AQI recorded in
July60AQI
2023121AQI
1
24
6
13
15
8
13
10
9
17
4
24
7
6
16
8
16
15
2
17
8
4
6
20
3
1
1
7
10
13
3
17
9
1
5
17
8
31
117
88
105
23
Highest AQI recorded in
November183AQI
Lowest AQI recorded in
July50AQI
2022114AQI
3
24
4
1
14
13
5
11
15
27
2
23
6
5
24
1
23
6
8
4
9
17
2
8
5
9
9
3
24
3
2
13
16
55
112
51
98
23
Highest AQI recorded in
December200AQI
Lowest AQI recorded in
July43AQI
2021137AQI
3
14
4
1
9
7
14
1
8
21
1
1
4
21
3
5
25
23
56
3
Highest AQI recorded in
December168AQI
Lowest AQI recorded in
September80AQI
Most & Least Polluted Years Over the Last 5 Years
Most Polluted Year Recorded
2021(Avg.)
137AQILeast Polluted Year Recorded
2025(Avg.)
99AQITangra's annual 2025 AQI (99) shows an average percentage change of -18.5% (improved AQI) compared to previous years: 2021 (137), 2022 (114), 2023 (121), 2024 (118).
