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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Stella Maris College, Chennai, Tamil Nadu, 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

Stella Maris College, Chennai, Tamil Nadu, India

2022
2023
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
3rd Aug 2022
102AQI
Lowest AQI recorded on
7th Aug 2022
44AQI

Same Day Analysis (17th August):
On this day, AQI across the 4 years varied significantly: 2026 ranks 2nd highest AQI at 71 of Moderate air quality, showing improvement over 2023 on the same day.

Day & Night AQI Trend: 16th Aug - 17th Aug 2026

Stella Maris College, Chennai, Tamil Nadu, India

AQI
Day
Night
.

5 AM16th Aug 2026

6 PM

4 AM17th Aug 2026

Day time
Avg. Highest Time
5AM16th Aug

76AQI

Avg. Lowest Time
10AM16th Aug

56AQI

Night time
Avg. Highest Time
7PM16th Aug

81AQI

Avg. Lowest Time
4AM17th Aug

62AQI

In the last 24 hours,

Stella Maris College's AQI reached its highest point of 81 at 7 PM during the Night, while the lowest point, 56, was recorded at 10 AM during the Day between 16th Aug and 17th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Stella Maris College, Chennai, Tamil Nadu, India

JulAug
19th - 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 - 16th16th - 17th17th
Day
Night
19th Jul 2026875 AMAQI
19th Jul 2026986 AMAQI
19th Jul 2026967 AMAQI
19th Jul 20261048 AMAQI
19th Jul 20261089 AMAQI
19th Jul 20269810 AMAQI
19th Jul 20269411 AMAQI
19th Jul 20268612 PMAQI
19th Jul 2026821 PMAQI
19th Jul 2026822 PMAQI
19th Jul 2026813 PMAQI
19th Jul 2026884 PMAQI
19th Jul 2026875 PMAQI
19th Jul 2026856 PMAQI
19th Jul 2026897 PMAQI
19th Jul 2026968 PMAQI
19th Jul 20261079 PMAQI
19th Jul 202610010 PMAQI
19th Jul 20267211 PMAQI
20th Jul 20266312 AMAQI
20th Jul 2026671 AMAQI
20th Jul 2026712 AMAQI
20th Jul 2026783 AMAQI
20th Jul 2026944 AMAQI

31°C28/34°C

20th Jul 2026905 AMAQI
20th Jul 2026876 AMAQI
20th Jul 20261107 AMAQI
20th Jul 20261148 AMAQI
20th Jul 20261129 AMAQI
20th Jul 202612410 AMAQI
20th Jul 20269011 AMAQI
20th Jul 20267012 PMAQI
20th Jul 2026641 PMAQI
20th Jul 2026682 PMAQI
20th Jul 2026683 PMAQI
20th Jul 2026764 PMAQI
20th Jul 2026765 PMAQI
20th Jul 2026796 PMAQI
20th Jul 2026857 PMAQI
20th Jul 2026978 PMAQI
20th Jul 20261149 PMAQI
20th Jul 202613210 PMAQI
20th Jul 202613911 PMAQI
21st Jul 202612212 AMAQI
21st Jul 20261181 AMAQI
21st Jul 20261082 AMAQI
21st Jul 2026973 AMAQI
21st Jul 2026964 AMAQI

31°C29/35°C

21st Jul 20261065 AMAQI
21st Jul 20261166 AMAQI
21st Jul 20261287 AMAQI
21st Jul 20261528 AMAQI
21st Jul 202611510 AMAQI
21st Jul 20267811 AMAQI
21st Jul 20268012 PMAQI
21st Jul 2026651 PMAQI
21st Jul 2026622 PMAQI
21st Jul 2026643 PMAQI
21st Jul 2026944 PMAQI
21st Jul 2026795 PMAQI
21st Jul 2026816 PMAQI
21st Jul 2026907 PMAQI
21st Jul 2026998 PMAQI
21st Jul 20261029 PMAQI
21st Jul 20268410 PMAQI
21st Jul 20266611 PMAQI
22nd Jul 20266312 AMAQI
22nd Jul 2026621 AMAQI
22nd Jul 2026642 AMAQI
22nd Jul 2026643 AMAQI
22nd Jul 2026674 AMAQI

31°C29/36°C

22nd Jul 2026715 AMAQI
22nd Jul 2026766 AMAQI
22nd Jul 20261167 AMAQI
22nd Jul 2026898 AMAQI
22nd Jul 2026879 AMAQI
22nd Jul 20267810 AMAQI
22nd Jul 20266011 AMAQI
22nd Jul 20266812 PMAQI
22nd Jul 2026601 PMAQI
22nd Jul 2026622 PMAQI
22nd Jul 2026713 PMAQI
22nd Jul 2026734 PMAQI
22nd Jul 2026745 PMAQI
22nd Jul 2026826 PMAQI
22nd Jul 2026897 PMAQI
22nd Jul 2026748 PMAQI
22nd Jul 2026749 PMAQI
22nd Jul 20267210 PMAQI
22nd Jul 20266411 PMAQI
23rd Jul 20266412 AMAQI
23rd Jul 2026661 AMAQI
23rd Jul 2026652 AMAQI
23rd Jul 2026743 AMAQI
23rd Jul 2026754 AMAQI

30°C28/34°C

23rd Jul 2026705 AMAQI
23rd Jul 2026726 AMAQI
23rd Jul 20261287 AMAQI
23rd Jul 2026908 AMAQI
23rd Jul 2026889 AMAQI
23rd Jul 20267610 AMAQI
23rd Jul 20267811 AMAQI
23rd Jul 20266712 PMAQI
23rd Jul 2026651 PMAQI
23rd Jul 2026642 PMAQI
23rd Jul 2026713 PMAQI
23rd Jul 2026754 PMAQI
23rd Jul 2026755 PMAQI
23rd Jul 2026806 PMAQI
23rd Jul 20261067 PMAQI
23rd Jul 20261388 PMAQI
23rd Jul 20261569 PMAQI
23rd Jul 20269410 PMAQI
23rd Jul 20267411 PMAQI
24th Jul 20267712 AMAQI
24th Jul 2026781 AMAQI
24th Jul 2026782 AMAQI
24th Jul 2026783 AMAQI
24th Jul 2026704 AMAQI

30°C28/34°C

24th Jul 2026725 AMAQI
24th Jul 2026736 AMAQI
24th Jul 2026747 AMAQI
24th Jul 2026838 AMAQI
24th Jul 2026829 AMAQI
24th Jul 20268610 AMAQI
24th Jul 20267811 AMAQI
24th Jul 20266512 PMAQI
24th Jul 2026701 PMAQI
24th Jul 2026692 PMAQI
24th Jul 2026863 PMAQI
24th Jul 2026894 PMAQI
24th Jul 20261005 PMAQI
24th Jul 2026926 PMAQI
24th Jul 20261067 PMAQI
24th Jul 20261028 PMAQI
24th Jul 20261149 PMAQI
24th Jul 20269710 PMAQI
24th Jul 20267611 PMAQI
25th Jul 20267012 AMAQI
25th Jul 2026681 AMAQI
25th Jul 2026702 AMAQI
25th Jul 2026703 AMAQI
25th Jul 2026704 AMAQI

30°C29/34°C

25th Jul 2026695 AMAQI
25th Jul 2026746 AMAQI
25th Jul 2026827 AMAQI
25th Jul 2026888 AMAQI
25th Jul 2026829 AMAQI
25th Jul 20266410 AMAQI
25th Jul 20265711 AMAQI
25th Jul 20265912 PMAQI
25th Jul 2026551 PMAQI
25th Jul 2026752 PMAQI
25th Jul 2026723 PMAQI
25th Jul 2026744 PMAQI
25th Jul 2026755 PMAQI
25th Jul 2026746 PMAQI
25th Jul 2026797 PMAQI
25th Jul 2026808 PMAQI
25th Jul 2026789 PMAQI
25th Jul 20268210 PMAQI
25th Jul 20268311 PMAQI
26th Jul 20268012 AMAQI
26th Jul 2026661 AMAQI
26th Jul 2026622 AMAQI
26th Jul 2026663 AMAQI
26th Jul 2026664 AMAQI

31°C29/34°C

26th Jul 2026785 AMAQI
26th Jul 2026766 AMAQI
26th Jul 2026847 AMAQI
26th Jul 2026828 AMAQI
26th Jul 2026649 AMAQI
26th Jul 20265610 AMAQI
26th Jul 20266011 AMAQI
26th Jul 20265412 PMAQI
26th Jul 2026661 PMAQI
26th Jul 2026582 PMAQI
26th Jul 2026623 PMAQI
26th Jul 2026684 PMAQI
26th Jul 2026725 PMAQI
26th Jul 2026756 PMAQI
26th Jul 2026967 PMAQI
26th Jul 2026928 PMAQI
26th Jul 20261029 PMAQI
26th Jul 20268810 PMAQI
26th Jul 20267811 PMAQI
27th Jul 20267212 AMAQI
27th Jul 2026791 AMAQI
27th Jul 2026822 AMAQI
27th Jul 2026803 AMAQI
27th Jul 2026744 AMAQI

31°C29/36°C

27th Jul 2026725 AMAQI
27th Jul 2026576 AMAQI
27th Jul 2026867 AMAQI
27th Jul 2026678 AMAQI
27th Jul 2026649 AMAQI
27th Jul 20266210 AMAQI
27th Jul 20265611 AMAQI
27th Jul 20265712 PMAQI
27th Jul 2026561 PMAQI
27th Jul 2026592 PMAQI
27th Jul 2026603 PMAQI
27th Jul 2026644 PMAQI
27th Jul 2026705 PMAQI
27th Jul 2026906 PMAQI
27th Jul 2026867 PMAQI
27th Jul 2026788 PMAQI
27th Jul 2026769 PMAQI
27th Jul 20267110 PMAQI
27th Jul 20266611 PMAQI
28th Jul 20266612 AMAQI
28th Jul 2026701 AMAQI
28th Jul 2026742 AMAQI
28th Jul 2026793 AMAQI
28th Jul 2026734 AMAQI

31°C30/35°C

28th Jul 2026705 AMAQI
28th Jul 2026786 AMAQI
28th Jul 2026827 AMAQI
28th Jul 2026838 AMAQI
28th Jul 2026719 AMAQI
28th Jul 20265710 AMAQI
28th Jul 20265111 AMAQI
28th Jul 20264612 PMAQI
28th Jul 2026501 PMAQI
28th Jul 2026402 PMAQI
28th Jul 2026443 PMAQI
28th Jul 2026584 PMAQI
28th Jul 2026625 PMAQI
28th Jul 2026646 PMAQI
28th Jul 20261107 PMAQI
28th Jul 2026928 PMAQI
28th Jul 2026909 PMAQI
28th Jul 20266410 PMAQI
28th Jul 20266811 PMAQI
29th Jul 20266612 AMAQI
29th Jul 2026671 AMAQI
29th Jul 2026692 AMAQI
29th Jul 2026733 AMAQI
29th Jul 2026654 AMAQI

32°C29/35°C

29th Jul 2026625 AMAQI
29th Jul 2026666 AMAQI
29th Jul 2026787 AMAQI
29th Jul 2026788 AMAQI
29th Jul 2026719 AMAQI
29th Jul 20266510 AMAQI
29th Jul 20266211 AMAQI
29th Jul 20266512 PMAQI
29th Jul 2026661 PMAQI
29th Jul 2026642 PMAQI
29th Jul 2026643 PMAQI
29th Jul 2026674 PMAQI
29th Jul 2026685 PMAQI
29th Jul 2026716 PMAQI
29th Jul 2026667 PMAQI
29th Jul 2026768 PMAQI
29th Jul 2026859 PMAQI
29th Jul 20267110 PMAQI
29th Jul 20267111 PMAQI
30th Jul 20266812 AMAQI
30th Jul 2026711 AMAQI
30th Jul 2026702 AMAQI
30th Jul 2026733 AMAQI
30th Jul 2026704 AMAQI

32°C29/36°C

30th Jul 2026665 AMAQI
30th Jul 2026696 AMAQI
30th Jul 20261047 AMAQI
30th Jul 2026748 AMAQI
30th Jul 2026699 AMAQI
30th Jul 20266210 AMAQI
30th Jul 20266211 AMAQI
30th Jul 20265612 PMAQI
30th Jul 2026571 PMAQI
30th Jul 2026642 PMAQI
30th Jul 2026673 PMAQI
30th Jul 2026644 PMAQI
30th Jul 2026665 PMAQI
30th Jul 2026766 PMAQI
30th Jul 2026837 PMAQI
30th Jul 2026698 PMAQI
30th Jul 2026689 PMAQI
30th Jul 20266610 PMAQI
30th Jul 20266411 PMAQI
31st Jul 20266412 AMAQI
31st Jul 2026641 AMAQI
31st Jul 2026682 AMAQI
31st Jul 2026663 AMAQI
31st Jul 2026684 AMAQI

32°C30/36°C

31st Jul 2026705 AMAQI
31st Jul 2026766 AMAQI
31st Jul 2026787 AMAQI
31st Jul 2026908 AMAQI
31st Jul 2026829 AMAQI
31st Jul 20265910 AMAQI
31st Jul 20265311 AMAQI
31st Jul 20266012 PMAQI
31st Jul 2026651 PMAQI
31st Jul 2026702 PMAQI
31st Jul 2026753 PMAQI
31st Jul 2026794 PMAQI
31st Jul 2026705 PMAQI
31st Jul 2026726 PMAQI
31st Jul 2026767 PMAQI
31st Jul 2026768 PMAQI
31st Jul 2026719 PMAQI
31st Jul 20267410 PMAQI
31st Jul 20267611 PMAQI
1st Aug 20266412 AMAQI
1st Aug 2026681 AMAQI
1st Aug 2026692 AMAQI
1st Aug 2026723 AMAQI
1st Aug 2026664 AMAQI

31°C28/35°C

1st Aug 2026665 AMAQI
1st Aug 2026666 AMAQI
1st Aug 2026717 AMAQI
1st Aug 2026748 AMAQI
1st Aug 2026719 AMAQI
1st Aug 20266010 AMAQI
1st Aug 20265611 AMAQI
1st Aug 20265712 PMAQI
1st Aug 2026621 PMAQI
1st Aug 2026602 PMAQI
1st Aug 2026643 PMAQI
1st Aug 2026664 PMAQI
1st Aug 2026715 PMAQI
1st Aug 2026806 PMAQI
1st Aug 2026787 PMAQI
1st Aug 2026818 PMAQI
1st Aug 2026799 PMAQI
1st Aug 20267210 PMAQI
1st Aug 20266311 PMAQI
2nd Aug 20266212 AMAQI
2nd Aug 2026621 AMAQI
2nd Aug 2026602 AMAQI
2nd Aug 2026583 AMAQI
2nd Aug 2026684 AMAQI

31°C28/35°C

2nd Aug 2026665 AMAQI
2nd Aug 2026676 AMAQI
2nd Aug 2026787 AMAQI
2nd Aug 2026808 AMAQI
2nd Aug 2026769 AMAQI
2nd Aug 20267010 AMAQI
2nd Aug 20266311 AMAQI
2nd Aug 20265512 PMAQI
2nd Aug 2026541 PMAQI
2nd Aug 2026532 PMAQI
2nd Aug 2026563 PMAQI
2nd Aug 2026604 PMAQI
2nd Aug 2026675 PMAQI
2nd Aug 2026686 PMAQI
2nd Aug 2026707 PMAQI
2nd Aug 2026698 PMAQI
2nd Aug 2026719 PMAQI
2nd Aug 20267110 PMAQI
2nd Aug 20267511 PMAQI
3rd Aug 20267012 AMAQI
3rd Aug 2026661 AMAQI
3rd Aug 2026682 AMAQI
3rd Aug 2026633 AMAQI
3rd Aug 2026834 AMAQI

31°C29/34°C

3rd Aug 2026705 AMAQI
3rd Aug 2026676 AMAQI
3rd Aug 2026927 AMAQI
3rd Aug 20261098 AMAQI
3rd Aug 20261069 AMAQI
3rd Aug 20269010 AMAQI
3rd Aug 20268311 AMAQI
3rd Aug 20267412 PMAQI
3rd Aug 2026591 PMAQI
3rd Aug 2026642 PMAQI
3rd Aug 2026683 PMAQI
3rd Aug 2026734 PMAQI
3rd Aug 2026745 PMAQI
3rd Aug 2026746 PMAQI
3rd Aug 2026687 PMAQI
3rd Aug 2026688 PMAQI
3rd Aug 2026729 PMAQI
3rd Aug 20268210 PMAQI
3rd Aug 20268111 PMAQI
4th Aug 20268212 AMAQI
4th Aug 2026721 AMAQI
4th Aug 2026762 AMAQI
4th Aug 2026803 AMAQI
4th Aug 2026764 AMAQI

31°C29/34°C

4th Aug 2026715 AMAQI
4th Aug 2026626 AMAQI
4th Aug 2026747 AMAQI
4th Aug 2026748 AMAQI
4th Aug 2026739 AMAQI
4th Aug 20265910 AMAQI
4th Aug 20265911 AMAQI
4th Aug 20265312 PMAQI
4th Aug 2026541 PMAQI
4th Aug 2026642 PMAQI
4th Aug 2026693 PMAQI
4th Aug 2026724 PMAQI
4th Aug 2026725 PMAQI
4th Aug 2026686 PMAQI
4th Aug 20261207 PMAQI
4th Aug 2026908 PMAQI
4th Aug 2026829 PMAQI
4th Aug 20268010 PMAQI
4th Aug 20267011 PMAQI
5th Aug 20265812 AMAQI
5th Aug 2026601 AMAQI
5th Aug 2026602 AMAQI
5th Aug 2026583 AMAQI
5th Aug 2026624 AMAQI

31°C29/34°C

5th Aug 2026705 AMAQI
5th Aug 2026766 AMAQI
5th Aug 20261067 AMAQI
5th Aug 2026928 AMAQI
5th Aug 2026839 AMAQI
5th Aug 20267310 AMAQI
5th Aug 20267211 AMAQI
5th Aug 20266412 PMAQI
5th Aug 2026621 PMAQI
5th Aug 2026622 PMAQI
5th Aug 2026623 PMAQI
5th Aug 2026544 PMAQI
5th Aug 2026595 PMAQI
5th Aug 2026676 PMAQI
5th Aug 2026807 PMAQI
5th Aug 2026868 PMAQI
5th Aug 2026959 PMAQI
5th Aug 20269610 PMAQI
5th Aug 20266911 PMAQI
6th Aug 20266912 AMAQI
6th Aug 2026791 AMAQI
6th Aug 2026862 AMAQI
6th Aug 2026883 AMAQI
6th Aug 2026834 AMAQI

31°C29/34°C

6th Aug 2026945 AMAQI
6th Aug 2026856 AMAQI
6th Aug 2026807 AMAQI
6th Aug 2026908 AMAQI
6th Aug 2026889 AMAQI
6th Aug 20268010 AMAQI
6th Aug 20266911 AMAQI
6th Aug 20266612 PMAQI
6th Aug 2026681 PMAQI
6th Aug 2026702 PMAQI
6th Aug 2026693 PMAQI
6th Aug 2026714 PMAQI
6th Aug 2026745 PMAQI
6th Aug 2026796 PMAQI
6th Aug 2026907 PMAQI
6th Aug 2026998 PMAQI
6th Aug 2026979 PMAQI
6th Aug 20266810 PMAQI
6th Aug 20266711 PMAQI
7th Aug 20266812 AMAQI
7th Aug 2026701 AMAQI
7th Aug 2026682 AMAQI
7th Aug 2026763 AMAQI
7th Aug 2026744 AMAQI

31°C29/34°C

7th Aug 2026785 AMAQI
7th Aug 2026826 AMAQI
7th Aug 2026907 AMAQI
7th Aug 2026928 AMAQI
7th Aug 2026829 AMAQI
7th Aug 20267010 AMAQI
7th Aug 20266611 AMAQI
7th Aug 20266212 PMAQI
7th Aug 2026721 PMAQI
7th Aug 2026962 PMAQI
7th Aug 2026943 PMAQI
7th Aug 2026954 PMAQI
7th Aug 2026945 PMAQI
7th Aug 20261026 PMAQI
7th Aug 20261027 PMAQI
7th Aug 20261068 PMAQI
7th Aug 20261029 PMAQI
7th Aug 20269610 PMAQI
7th Aug 202610311 PMAQI
8th Aug 20269412 AMAQI
8th Aug 2026891 AMAQI
8th Aug 2026922 AMAQI
8th Aug 2026843 AMAQI
8th Aug 2026864 AMAQI

31°C29/33°C

8th Aug 2026845 AMAQI
8th Aug 2026776 AMAQI
8th Aug 2026807 AMAQI
8th Aug 2026838 AMAQI
8th Aug 2026819 AMAQI
8th Aug 20266710 AMAQI
8th Aug 20266711 AMAQI
8th Aug 20266912 PMAQI
8th Aug 2026681 PMAQI
8th Aug 2026662 PMAQI
8th Aug 2026673 PMAQI
8th Aug 2026704 PMAQI
8th Aug 2026765 PMAQI
8th Aug 2026866 PMAQI
8th Aug 2026907 PMAQI
8th Aug 2026858 PMAQI
8th Aug 2026859 PMAQI
8th Aug 20268010 PMAQI
8th Aug 20266211 PMAQI
9th Aug 20266412 AMAQI
9th Aug 2026611 AMAQI
9th Aug 2026672 AMAQI
9th Aug 2026643 AMAQI
9th Aug 2026604 AMAQI

30°C28/35°C

9th Aug 2026665 AMAQI
9th Aug 2026726 AMAQI
9th Aug 2026807 AMAQI
9th Aug 2026808 AMAQI
9th Aug 2026809 AMAQI
9th Aug 20266010 AMAQI
9th Aug 20265511 AMAQI
9th Aug 20265812 PMAQI
9th Aug 2026621 PMAQI
9th Aug 2026602 PMAQI
9th Aug 2026623 PMAQI
9th Aug 2026564 PMAQI
9th Aug 2026625 PMAQI
9th Aug 2026666 PMAQI
9th Aug 20261067 PMAQI
9th Aug 2026908 PMAQI
9th Aug 2026889 PMAQI
9th Aug 20266610 PMAQI
9th Aug 20266211 PMAQI
10th Aug 20266612 AMAQI
10th Aug 2026711 AMAQI
10th Aug 2026782 AMAQI
10th Aug 2026743 AMAQI
10th Aug 2026664 AMAQI

31°C29/34°C

10th Aug 2026675 AMAQI
10th Aug 2026686 AMAQI
10th Aug 2026787 AMAQI
10th Aug 2026818 AMAQI
10th Aug 2026769 AMAQI
10th Aug 20266810 AMAQI
10th Aug 20266011 AMAQI
10th Aug 20266512 PMAQI
10th Aug 2026581 PMAQI
10th Aug 2026622 PMAQI
10th Aug 2026683 PMAQI
10th Aug 2026714 PMAQI
10th Aug 2026725 PMAQI
10th Aug 2026786 PMAQI
10th Aug 2026827 PMAQI
10th Aug 2026838 PMAQI
10th Aug 2026629 PMAQI
10th Aug 20265810 PMAQI
10th Aug 20266611 PMAQI
11th Aug 20268512 AMAQI
11th Aug 2026561 AMAQI
11th Aug 2026582 AMAQI
11th Aug 2026563 AMAQI
11th Aug 2026634 AMAQI

30°C28/35°C

11th Aug 2026665 AMAQI
11th Aug 2026766 AMAQI
11th Aug 2026857 AMAQI
11th Aug 2026908 AMAQI
11th Aug 2026879 AMAQI
11th Aug 20268310 AMAQI
11th Aug 20268111 AMAQI
11th Aug 20267212 PMAQI
11th Aug 2026601 PMAQI
11th Aug 2026582 PMAQI
11th Aug 2026593 PMAQI
11th Aug 2026604 PMAQI
11th Aug 2026645 PMAQI
11th Aug 2026676 PMAQI
11th Aug 2026747 PMAQI
11th Aug 2026748 PMAQI
11th Aug 2026909 PMAQI
11th Aug 20269810 PMAQI
11th Aug 20269211 PMAQI
12th Aug 20267212 AMAQI
12th Aug 2026731 AMAQI
12th Aug 2026782 AMAQI
12th Aug 2026693 AMAQI
12th Aug 2026584 AMAQI

31°C28/34°C

12th Aug 2026595 AMAQI
12th Aug 2026676 AMAQI
12th Aug 2026717 AMAQI
12th Aug 2026838 AMAQI
12th Aug 2026829 AMAQI
12th Aug 20267210 AMAQI
12th Aug 20266411 AMAQI
12th Aug 20266312 PMAQI
12th Aug 2026641 PMAQI
12th Aug 2026762 PMAQI
12th Aug 2026683 PMAQI
12th Aug 2026714 PMAQI
12th Aug 2026745 PMAQI
12th Aug 2026746 PMAQI
12th Aug 2026827 PMAQI
12th Aug 2026858 PMAQI
12th Aug 20261269 PMAQI
12th Aug 202613310 PMAQI
12th Aug 20268611 PMAQI
13th Aug 20267612 AMAQI
13th Aug 2026701 AMAQI
13th Aug 2026702 AMAQI
13th Aug 2026753 AMAQI
13th Aug 2026784 AMAQI

31°C29/34°C

13th Aug 2026765 AMAQI
13th Aug 2026946 AMAQI
13th Aug 2026927 AMAQI
13th Aug 20261028 AMAQI
13th Aug 2026829 AMAQI
13th Aug 20266810 AMAQI
13th Aug 20266911 AMAQI
13th Aug 20266412 PMAQI
13th Aug 2026571 PMAQI
13th Aug 2026602 PMAQI
13th Aug 2026633 PMAQI
13th Aug 2026654 PMAQI
13th Aug 2026715 PMAQI
13th Aug 2026796 PMAQI
13th Aug 2026817 PMAQI
13th Aug 2026858 PMAQI
13th Aug 2026839 PMAQI
13th Aug 20268510 PMAQI
13th Aug 20267811 PMAQI
14th Aug 20266612 AMAQI
14th Aug 2026711 AMAQI
14th Aug 2026822 AMAQI
14th Aug 2026863 AMAQI
14th Aug 2026834 AMAQI

31°C29/35°C

14th Aug 2026925 AMAQI
14th Aug 2026876 AMAQI
14th Aug 2026897 AMAQI
14th Aug 2026978 AMAQI
14th Aug 2026749 AMAQI
14th Aug 20266010 AMAQI
14th Aug 20265811 AMAQI
14th Aug 20265612 PMAQI
14th Aug 2026641 PMAQI
14th Aug 2026722 PMAQI
14th Aug 2026603 PMAQI
14th Aug 2026644 PMAQI
14th Aug 2026675 PMAQI
14th Aug 2026736 PMAQI
14th Aug 2026927 PMAQI
14th Aug 20261088 PMAQI
14th Aug 20261159 PMAQI
14th Aug 20268610 PMAQI
14th Aug 20267211 PMAQI
15th Aug 20265912 AMAQI
15th Aug 2026621 AMAQI
15th Aug 2026722 AMAQI
15th Aug 2026643 AMAQI
15th Aug 2026674 AMAQI

31°C29/35°C

15th Aug 2026695 AMAQI
15th Aug 2026706 AMAQI
15th Aug 2026767 AMAQI
15th Aug 2026728 AMAQI
15th Aug 2026679 AMAQI
15th Aug 20266210 AMAQI
15th Aug 20266011 AMAQI
15th Aug 20266412 PMAQI
15th Aug 2026631 PMAQI
15th Aug 2026602 PMAQI
15th Aug 2026573 PMAQI
15th Aug 2026594 PMAQI
15th Aug 2026585 PMAQI
15th Aug 2026646 PMAQI
15th Aug 2026767 PMAQI
15th Aug 2026868 PMAQI
15th Aug 2026769 PMAQI
15th Aug 20266610 PMAQI
15th Aug 20266211 PMAQI
16th Aug 20265812 AMAQI
16th Aug 2026621 AMAQI
16th Aug 2026652 AMAQI
16th Aug 2026713 AMAQI
16th Aug 2026704 AMAQI

31°C30/35°C

16th Aug 2026765 AMAQI
16th Aug 2026746 AMAQI
16th Aug 2026757 AMAQI
16th Aug 2026748 AMAQI
16th Aug 2026679 AMAQI
16th Aug 20265610 AMAQI
16th Aug 20266011 AMAQI
16th Aug 20265812 PMAQI
16th Aug 2026641 PMAQI
16th Aug 2026642 PMAQI
16th Aug 2026603 PMAQI
16th Aug 2026664 PMAQI
16th Aug 2026665 PMAQI
16th Aug 2026726 PMAQI
16th Aug 2026817 PMAQI
16th Aug 2026808 PMAQI
16th Aug 2026729 PMAQI
16th Aug 20266610 PMAQI
16th Aug 20266411 PMAQI
17th Aug 20266412 AMAQI
17th Aug 2026641 AMAQI
17th Aug 2026632 AMAQI
17th Aug 2026623 AMAQI
17th Aug 2026624 AMAQI

31°C29/35°C

17th Aug 2026655 AMAQI
5 AM
17th Aug 2026686 AMAQI
17th Aug 2026767 AMAQI
17th Aug 2026868 AMAQI
17th Aug 2026789 AMAQI
17th Aug 20267110 AMAQI
17th Aug 20267011 AMAQI
11 AM
17th Aug 20266612 PMAQI
17th Aug 2026671 PMAQI
17th Aug 2026682 PMAQI
17th Aug 2026693 PMAQI
17th Aug 2026724 PMAQI
17th Aug 2026765 PMAQI
17th Aug 2026756 PMAQI
6 PM
17th Aug 2026827 PMAQI
17th Aug 2026828 PMAQI
17th Aug 2026749 PMAQI
17th Aug 20266510 PMAQI
17th Aug 20266811 PMAQI
11 PM
4 AM

27°C24/33°C

Day time
Avg. Highest Time
7 AM - 8 AM

88AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
12 PM - 1 PM

63AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 AM to 8 AM (Avg. 88), while the lowest AQI was between 12 PM to 1 PM (Avg. 63).
Night time
Avg. Highest Time
7 PM - 9 PM

88AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
12 AM - 4 AM

72AQI

5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 PM to 9 PM (Avg. 88), while the lowest AQI was between 12 AM to 4 AM (Avg. 72).

2026 Days Vs Air Quality

Stella Maris College, Chennai, Tamil Nadu, India

2026

7%

15

62%

142

17%

39

14%

32

0.4%

1

Total number of days with different AQI categories in last 229 days in 2026 (136 days remaining)

Good
15 Days
Moderate
142 Days
Poor
39 Days
Unhealthy
32 Days
Severe
1 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 7%

Health Risk Level:

Extreme

In 2026, 7% of 229 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

Stella Maris College, Chennai, Tamil Nadu, 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
129AQI (US)
2nd January 2026
164AQI (US)
3rd January 2026
164AQI (US)
4th January 2026
157AQI (US)
5th January 2026
165AQI (US)
6th January 2026
166AQI (US)
7th January 2026
158AQI (US)
8th January 2026
130AQI (US)
9th January 2026
120AQI (US)
10th January 2026
130AQI (US)
11th January 2026
145AQI (US)
12th January 2026
138AQI (US)
13th January 2026
140AQI (US)
14th January 2026
215AQI (US)
15th January 2026
166AQI (US)
16th January 2026
166AQI (US)
17th January 2026
166AQI (US)
18th January 2026
164AQI (US)
19th January 2026
166AQI (US)
20th January 2026
172AQI (US)
21st January 2026
156AQI (US)
22nd January 2026
131AQI (US)
23rd January 2026
160AQI (US)
24th January 2026
138AQI (US)
25th January 2026
117AQI (US)
26th January 2026
108AQI (US)
27th January 2026
154AQI (US)
28th January 2026
166AQI (US)
29th January 2026
167AQI (US)
30th January 2026
151AQI (US)
31st January 2026
113AQI (US)
1st February 2026
152AQI (US)
2nd February 2026
172AQI (US)
3rd February 2026
128AQI (US)
4th February 2026
119AQI (US)
5th February 2026
126AQI (US)
6th February 2026
141AQI (US)
7th February 2026
153AQI (US)
8th February 2026
162AQI (US)
9th February 2026
157AQI (US)
10th February 2026
157AQI (US)
11th February 2026
138AQI (US)
12th February 2026
134AQI (US)
13th February 2026
126AQI (US)
14th February 2026
155AQI (US)
15th February 2026
168AQI (US)
16th February 2026
171AQI (US)
17th February 2026
163AQI (US)
18th February 2026
150AQI (US)
19th February 2026
144AQI (US)
20th February 2026
150AQI (US)
21st February 2026
132AQI (US)
22nd February 2026
115AQI (US)
23rd February 2026
84AQI (US)
24th February 2026
87AQI (US)
25th February 2026
102AQI (US)
26th February 2026
148AQI (US)
27th February 2026
156AQI (US)
28th February 2026
162AQI (US)
1st March 2026
161AQI (US)
2nd March 2026
155AQI (US)
3rd March 2026
145AQI (US)
4th March 2026
126AQI (US)
5th March 2026
127AQI (US)
6th March 2026
130AQI (US)
7th March 2026
127AQI (US)
8th March 2026
111AQI (US)
9th March 2026
125AQI (US)
10th March 2026
123AQI (US)
11th March 2026
119AQI (US)
12th March 2026
127AQI (US)
13th March 2026
100AQI (US)
14th March 2026
85AQI (US)
15th March 2026
69AQI (US)
16th March 2026
54AQI (US)
17th March 2026
56AQI (US)
18th March 2026
64AQI (US)
19th March 2026
60AQI (US)
20th March 2026
70AQI (US)
21st March 2026
64AQI (US)
22nd March 2026
62AQI (US)
23rd March 2026
63AQI (US)
24th March 2026
59AQI (US)
25th March 2026
73AQI (US)
26th March 2026
97AQI (US)
27th March 2026
108AQI (US)
28th March 2026
107AQI (US)
29th March 2026
83AQI (US)
30th March 2026
78AQI (US)
31st March 2026
82AQI (US)
1st April 2026
77AQI (US)
2nd April 2026
76AQI (US)
3rd April 2026
82AQI (US)
4th April 2026
75AQI (US)
5th April 2026
82AQI (US)
6th April 2026
105AQI (US)
7th April 2026
93AQI (US)
8th April 2026
90AQI (US)
9th April 2026
94AQI (US)
10th April 2026
94AQI (US)
11th April 2026
82AQI (US)
12th April 2026
61AQI (US)
13th April 2026
48AQI (US)
14th April 2026
51AQI (US)
15th April 2026
45AQI (US)
16th April 2026
46AQI (US)
17th April 2026
42AQI (US)
18th April 2026
40AQI (US)
19th April 2026
44AQI (US)
20th April 2026
52AQI (US)
21st April 2026
66AQI (US)
22nd April 2026
50AQI (US)
23rd April 2026
40AQI (US)
24th April 2026
41AQI (US)
25th April 2026
41AQI (US)
26th April 2026
65AQI (US)
27th April 2026
82AQI (US)
28th April 2026
71AQI (US)
29th April 2026
56AQI (US)
30th April 2026
54AQI (US)
1st May 2026
68AQI (US)
2nd May 2026
72AQI (US)
3rd May 2026
96AQI (US)
4th May 2026
88AQI (US)
5th May 2026
91AQI (US)
6th May 2026
75AQI (US)
7th May 2026
42AQI (US)
8th May 2026
48AQI (US)
9th May 2026
68AQI (US)
10th May 2026
65AQI (US)
11th May 2026
68AQI (US)
12th May 2026
65AQI (US)
13th May 2026
55AQI (US)
14th May 2026
55AQI (US)
15th May 2026
64AQI (US)
16th May 2026
100AQI (US)
17th May 2026
94AQI (US)
18th May 2026
87AQI (US)
19th May 2026
74AQI (US)
20th May 2026
63AQI (US)
21st May 2026
71AQI (US)
22nd May 2026
69AQI (US)
23rd May 2026
86AQI (US)
24th May 2026
99AQI (US)
25th May 2026
83AQI (US)
26th May 2026
85AQI (US)
27th May 2026
84AQI (US)
28th May 2026
82AQI (US)
29th May 2026
83AQI (US)
30th May 2026
71AQI (US)
31st May 2026
77AQI (US)
1st June 2026
74AQI (US)
2nd June 2026
72AQI (US)
3rd June 2026
59AQI (US)
4th June 2026
55AQI (US)
5th June 2026
58AQI (US)
6th June 2026
56AQI (US)
7th June 2026
52AQI (US)
8th June 2026
51AQI (US)
9th June 2026
47AQI (US)
10th June 2026
56AQI (US)
11th June 2026
62AQI (US)
12th June 2026
80AQI (US)
13th June 2026
65AQI (US)
14th June 2026
65AQI (US)
15th June 2026
74AQI (US)
16th June 2026
82AQI (US)
17th June 2026
83AQI (US)
18th June 2026
83AQI (US)
19th June 2026
94AQI (US)
20th June 2026
96AQI (US)
21st June 2026
87AQI (US)
22nd June 2026
66AQI (US)
23rd June 2026
60AQI (US)
24th June 2026
65AQI (US)
25th June 2026
63AQI (US)
26th June 2026
71AQI (US)
27th June 2026
73AQI (US)
28th June 2026
76AQI (US)
29th June 2026
61AQI (US)
30th June 2026
57AQI (US)
1st July 2026
48AQI (US)
2nd July 2026
45AQI (US)
3rd July 2026
53AQI (US)
4th July 2026
57AQI (US)
5th July 2026
59AQI (US)
6th July 2026
62AQI (US)
7th July 2026
64AQI (US)
8th July 2026
60AQI (US)
9th July 2026
69AQI (US)
10th July 2026
88AQI (US)
11th July 2026
68AQI (US)
12th July 2026
66AQI (US)
13th July 2026
75AQI (US)
14th July 2026
76AQI (US)
15th July 2026
83AQI (US)
16th July 2026
82AQI (US)
17th July 2026
88AQI (US)
18th July 2026
97AQI (US)
19th July 2026
89AQI (US)
20th July 2026
90AQI (US)
21st July 2026
96AQI (US)
22nd July 2026
73AQI (US)
23rd July 2026
84AQI (US)
24th July 2026
83AQI (US)
25th July 2026
73AQI (US)
26th July 2026
73AQI (US)
27th July 2026
70AQI (US)
28th July 2026
68AQI (US)
29th July 2026
69AQI (US)
30th July 2026
69AQI (US)
31st July 2026
71AQI (US)
1st August 2026
68AQI (US)
2nd August 2026
66AQI (US)
3rd August 2026
76AQI (US)
4th August 2026
73AQI (US)
5th August 2026
72AQI (US)
6th August 2026
80AQI (US)
7th August 2026
85AQI (US)
8th August 2026
79AQI (US)
9th August 2026
69AQI (US)
10th August 2026
70AQI (US)
11th August 2026
73AQI (US)
12th August 2026
77AQI (US)
13th August 2026
76AQI (US)
14th August 2026
78AQI (US)
15th August 2026
66AQI (US)
16th August 2026
68AQI (US)
17th August 2026
71AQI (US)
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

151AQI (US)

141AQI (US)

97AQI (US)

65AQI (US)

75AQI (US)

68AQI (US)

73AQI (US)

73AQI (US)

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202694AQI (US)

12
18
1
2
14
12
17
12
2
10
19
1
2
29
1
29
2
29
17
15
142
39
32
1

Highest AQI (US) recorded in

January

151AQI (US)

Lowest AQI (US) recorded in

April

65AQI (US)

202598AQI (US)

3
26
2
10
18
27
4
30
31
30
31
31
30
18
10
3
4
10
16
2
3
21
5
247
71
42
5

Highest AQI (US) recorded in

December

170AQI (US)

Lowest AQI (US) recorded in

August

67AQI (US)

202391AQI (US)

4
24
3
10
18
2
21
8
1
27
2
1
25
5
27
3
31
30
1
30
24
7
20
9
9
16
5
1
4
258
93
8
1

Highest AQI (US) recorded in

January

125AQI (US)

Lowest AQI (US) recorded in

July

70AQI (US)

202286AQI (US)

3
26
2
26
2
26
5
8
19
20
11
24
6
2
27
1
10
1
23
5
2
14
9
5
1
2
14
10
4
15
9
7
18
244
60
16
1

Highest AQI (US) recorded in

December

113AQI (US)

Lowest AQI (US) recorded in

April

57AQI (US)

202184AQI (US)

3
19
9
4
23
1
15
16
1
17
12
20
11
9
21
10
21
1
18
21
2
26
3
2
25
3
12
17
1
45
194
93
11

Highest AQI (US) recorded in

January

134AQI (US)

Lowest AQI (US) recorded in

May

42AQI (US)

202083AQI (US)

1
17
18
13
13
13
4
11
20
11
19
11
20
9
19
3
4
25
1
12
14
5
3
11
10
6
4
2
14
11
66
160
76
22

Highest AQI (US) recorded in

December

126AQI (US)

Lowest AQI (US) recorded in

July

53AQI (US)

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2025(Avg.)
98AQI (US)
Least Polluted Year Recorded
2020(Avg.)
83AQI (US)

Stella Maris College's annual 2026 AQI (US) (94) shows an average percentage change of 6.7% (worsened AQI (US)) compared to previous years: 2020 (83), 2021 (84), 2022 (86), 2023 (91), 2025 (98).