Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

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+

July Air Quality Analysis

Chennai, Tamil Nadu, India

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
20th Jul 2023
94AQI
Lowest AQI recorded on
16th Jul 2024
47AQI

Same Day Analysis (17th July):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 92 of Moderate air quality on the same day.

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

Chennai, Tamil Nadu, India

AQI
Day
Night
.

5 AM16th Jul 2026

6 PM

4 AM17th Jul 2026

Day time
Avg. Highest Time
6AM16th Jul

96AQI

Avg. Lowest Time
1PM16th Jul

75AQI

Night time
Avg. Highest Time
8PM16th Jul

106AQI

Avg. Lowest Time
2AM17th Jul

87AQI

In the last 24 hours,

Chennai's AQI reached its highest point of 106 at 8 PM during the Night, while the lowest point, 75, was recorded at 1 PM during the Day between 16th Jul and 17th Jul 2026.

Day & Night AQI Trend : Jun - Jul 2026

Chennai, Tamil Nadu, India

JunJul
18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th
Day
Night
18th Jun 2026665 AMAQI
18th Jun 2026736 AMAQI
18th Jun 2026877 AMAQI
18th Jun 20261018 AMAQI
18th Jun 20261069 AMAQI
18th Jun 202611010 AMAQI
18th Jun 202610211 AMAQI
18th Jun 20269612 PMAQI
18th Jun 2026871 PMAQI
18th Jun 2026862 PMAQI
18th Jun 2026803 PMAQI
18th Jun 2026804 PMAQI
18th Jun 2026715 PMAQI
18th Jun 2026616 PMAQI
18th Jun 2026777 PMAQI
18th Jun 20261038 PMAQI
18th Jun 2026869 PMAQI
18th Jun 20267710 PMAQI
18th Jun 20267711 PMAQI
19th Jun 20268012 AMAQI
19th Jun 2026841 AMAQI
19th Jun 2026892 AMAQI
19th Jun 20261003 AMAQI
19th Jun 2026874 AMAQI

31°C28/35°C

19th Jun 2026905 AMAQI
19th Jun 2026956 AMAQI
19th Jun 20261047 AMAQI
19th Jun 20261168 AMAQI
19th Jun 20261199 AMAQI
19th Jun 202610210 AMAQI
19th Jun 202610311 AMAQI
19th Jun 20269612 PMAQI
19th Jun 2026911 PMAQI
19th Jun 2026902 PMAQI
19th Jun 2026873 PMAQI
19th Jun 2026874 PMAQI
19th Jun 2026895 PMAQI
19th Jun 2026916 PMAQI
19th Jun 2026977 PMAQI
19th Jun 2026968 PMAQI
19th Jun 2026929 PMAQI
19th Jun 20269410 PMAQI
19th Jun 20269411 PMAQI
20th Jun 20267912 AMAQI
20th Jun 2026731 AMAQI
20th Jun 2026782 AMAQI
20th Jun 2026863 AMAQI
20th Jun 2026874 AMAQI

31°C28/34°C

20th Jun 2026855 AMAQI
20th Jun 2026846 AMAQI
20th Jun 2026897 AMAQI
20th Jun 2026988 AMAQI
20th Jun 20261039 AMAQI
20th Jun 202611310 AMAQI
20th Jun 202611811 AMAQI
20th Jun 202610812 PMAQI
20th Jun 20261061 PMAQI
20th Jun 20261092 PMAQI
20th Jun 20261053 PMAQI
20th Jun 20261084 PMAQI
20th Jun 20261085 PMAQI
20th Jun 20261056 PMAQI
20th Jun 20261157 PMAQI
20th Jun 20261078 PMAQI
20th Jun 2026939 PMAQI
20th Jun 20268210 PMAQI
20th Jun 20268511 PMAQI
21st Jun 20268512 AMAQI
21st Jun 2026871 AMAQI
21st Jun 2026962 AMAQI
21st Jun 2026943 AMAQI
21st Jun 2026864 AMAQI

31°C29/35°C

21st Jun 2026865 AMAQI
21st Jun 2026826 AMAQI
21st Jun 2026857 AMAQI
21st Jun 2026848 AMAQI
21st Jun 2026869 AMAQI
21st Jun 20268910 AMAQI
21st Jun 20268611 AMAQI
21st Jun 20268212 PMAQI
21st Jun 2026831 PMAQI
21st Jun 2026892 PMAQI
21st Jun 2026923 PMAQI
21st Jun 2026884 PMAQI
21st Jun 2026965 PMAQI
21st Jun 2026996 PMAQI
21st Jun 2026997 PMAQI
21st Jun 20261028 PMAQI
21st Jun 2026819 PMAQI
21st Jun 20266810 PMAQI
21st Jun 20267011 PMAQI
22nd Jun 20267512 AMAQI
22nd Jun 2026691 AMAQI
22nd Jun 2026692 AMAQI
22nd Jun 2026763 AMAQI
22nd Jun 2026784 AMAQI

30°C28/33°C

22nd Jun 2026755 AMAQI
22nd Jun 2026716 AMAQI
22nd Jun 2026817 AMAQI
22nd Jun 2026748 AMAQI
22nd Jun 2026689 AMAQI
22nd Jun 20266710 AMAQI
22nd Jun 20266711 AMAQI
22nd Jun 20266812 PMAQI
22nd Jun 2026651 PMAQI
22nd Jun 2026612 PMAQI
22nd Jun 2026643 PMAQI
22nd Jun 2026724 PMAQI
22nd Jun 2026775 PMAQI
22nd Jun 2026736 PMAQI
22nd Jun 2026707 PMAQI
22nd Jun 2026688 PMAQI
22nd Jun 2026629 PMAQI
22nd Jun 20266210 PMAQI
22nd Jun 20266211 PMAQI
23rd Jun 20266112 AMAQI
23rd Jun 2026571 AMAQI
23rd Jun 2026572 AMAQI
23rd Jun 2026613 AMAQI
23rd Jun 2026664 AMAQI

30°C27/35°C

23rd Jun 2026665 AMAQI
23rd Jun 2026686 AMAQI
23rd Jun 2026737 AMAQI
23rd Jun 2026578 AMAQI
23rd Jun 2026499 AMAQI
23rd Jun 20264410 AMAQI
23rd Jun 20264411 AMAQI
23rd Jun 20263812 PMAQI
23rd Jun 2026391 PMAQI
23rd Jun 2026392 PMAQI
23rd Jun 2026353 PMAQI
23rd Jun 2026424 PMAQI
23rd Jun 2026555 PMAQI
23rd Jun 2026706 PMAQI
23rd Jun 20261167 PMAQI
23rd Jun 20261128 PMAQI
23rd Jun 20261149 PMAQI
23rd Jun 20269110 PMAQI
23rd Jun 20266111 PMAQI
24th Jun 20264912 AMAQI
24th Jun 2026411 AMAQI
24th Jun 2026522 AMAQI
24th Jun 2026653 AMAQI
24th Jun 2026734 AMAQI

29°C26/36°C

24th Jun 2026615 AMAQI
24th Jun 2026536 AMAQI
24th Jun 2026597 AMAQI
24th Jun 2026708 AMAQI
24th Jun 2026649 AMAQI
24th Jun 20265610 AMAQI
24th Jun 20265711 AMAQI
24th Jun 20265812 PMAQI
24th Jun 2026581 PMAQI
24th Jun 2026572 PMAQI
24th Jun 2026583 PMAQI
24th Jun 2026624 PMAQI
24th Jun 2026685 PMAQI
24th Jun 2026766 PMAQI
24th Jun 20261007 PMAQI
24th Jun 20261188 PMAQI
24th Jun 20261019 PMAQI
24th Jun 20267910 PMAQI
24th Jun 20267511 PMAQI
25th Jun 20266712 AMAQI
25th Jun 2026651 AMAQI
25th Jun 2026642 AMAQI
25th Jun 2026653 AMAQI
25th Jun 2026654 AMAQI

32°C29/36°C

25th Jun 2026595 AMAQI
25th Jun 2026576 AMAQI
25th Jun 2026647 AMAQI
25th Jun 2026648 AMAQI
25th Jun 2026609 AMAQI
25th Jun 20265710 AMAQI
25th Jun 20265511 AMAQI
25th Jun 20265112 PMAQI
25th Jun 2026511 PMAQI
25th Jun 2026502 PMAQI
25th Jun 2026483 PMAQI
25th Jun 2026484 PMAQI
25th Jun 2026555 PMAQI
25th Jun 2026706 PMAQI
25th Jun 20261187 PMAQI
25th Jun 20261148 PMAQI
25th Jun 2026749 PMAQI
25th Jun 20267310 PMAQI
25th Jun 20267511 PMAQI
26th Jun 20267212 AMAQI
26th Jun 2026781 AMAQI
26th Jun 2026712 AMAQI
26th Jun 2026583 AMAQI
26th Jun 2026524 AMAQI

32°C29/36°C

26th Jun 2026585 AMAQI
26th Jun 2026696 AMAQI
26th Jun 2026797 AMAQI
26th Jun 2026848 AMAQI
26th Jun 2026799 AMAQI
26th Jun 20268110 AMAQI
26th Jun 20267711 AMAQI
26th Jun 20264112 PMAQI
26th Jun 2026691 PMAQI
26th Jun 2026632 PMAQI
26th Jun 2026583 PMAQI
26th Jun 2026634 PMAQI
26th Jun 2026725 PMAQI
26th Jun 2026766 PMAQI
26th Jun 2026867 PMAQI
26th Jun 2026948 PMAQI
26th Jun 20261089 PMAQI
26th Jun 202610010 PMAQI
26th Jun 20268311 PMAQI
27th Jun 20267812 AMAQI
27th Jun 2026721 AMAQI
27th Jun 2026622 AMAQI
27th Jun 2026683 AMAQI
27th Jun 2026754 AMAQI

32°C29/36°C

27th Jun 2026855 AMAQI
27th Jun 2026916 AMAQI
27th Jun 2026947 AMAQI
27th Jun 2026928 AMAQI
27th Jun 2026789 AMAQI
27th Jun 20266710 AMAQI
27th Jun 20265911 AMAQI
27th Jun 20265712 PMAQI
27th Jun 2026561 PMAQI
27th Jun 2026592 PMAQI
27th Jun 2026653 PMAQI
27th Jun 2026694 PMAQI
27th Jun 2026705 PMAQI
27th Jun 2026736 PMAQI
27th Jun 2026857 PMAQI
27th Jun 20261098 PMAQI
27th Jun 20261179 PMAQI
27th Jun 20267610 PMAQI
27th Jun 20265811 PMAQI
28th Jun 20265412 AMAQI
28th Jun 2026621 AMAQI
28th Jun 2026772 AMAQI
28th Jun 2026923 AMAQI
28th Jun 2026944 AMAQI

32°C30/37°C

28th Jun 20261005 AMAQI
28th Jun 20261046 AMAQI
28th Jun 20261077 AMAQI
28th Jun 2026868 AMAQI
28th Jun 2026759 AMAQI
28th Jun 20267210 AMAQI
28th Jun 20267011 AMAQI
28th Jun 20266712 PMAQI
28th Jun 2026601 PMAQI
28th Jun 2026602 PMAQI
28th Jun 2026623 PMAQI
28th Jun 2026894 PMAQI
28th Jun 2026865 PMAQI
28th Jun 2026796 PMAQI
28th Jun 2026867 PMAQI
28th Jun 2026768 PMAQI
28th Jun 2026729 PMAQI
28th Jun 20267010 PMAQI
28th Jun 20266711 PMAQI
29th Jun 20266512 AMAQI
29th Jun 2026671 AMAQI
29th Jun 2026662 AMAQI
29th Jun 2026643 AMAQI
29th Jun 2026604 AMAQI

32°C28/35°C

29th Jun 2026645 AMAQI
29th Jun 2026706 AMAQI
29th Jun 2026837 AMAQI
29th Jun 2026768 AMAQI
29th Jun 2026649 AMAQI
29th Jun 20266210 AMAQI
29th Jun 20265311 AMAQI
29th Jun 20264912 PMAQI
29th Jun 2026511 PMAQI
29th Jun 2026532 PMAQI
29th Jun 2026553 PMAQI
29th Jun 2026534 PMAQI
29th Jun 2026565 PMAQI
29th Jun 2026876 PMAQI
29th Jun 2026897 PMAQI
29th Jun 2026668 PMAQI
29th Jun 2026739 PMAQI
29th Jun 20266310 PMAQI
29th Jun 20266011 PMAQI
30th Jun 20266212 AMAQI
30th Jun 2026441 AMAQI
30th Jun 2026372 AMAQI
30th Jun 2026363 AMAQI
30th Jun 2026394 AMAQI

32°C29/36°C

30th Jun 2026355 AMAQI
30th Jun 2026406 AMAQI
30th Jun 2026557 AMAQI
30th Jun 2026508 AMAQI
30th Jun 2026369 AMAQI
30th Jun 20263910 AMAQI
30th Jun 20264111 AMAQI
30th Jun 20264412 PMAQI
30th Jun 2026441 PMAQI
30th Jun 2026492 PMAQI
30th Jun 2026533 PMAQI
30th Jun 2026664 PMAQI
30th Jun 2026725 PMAQI
30th Jun 2026816 PMAQI
30th Jun 2026997 PMAQI
30th Jun 20261048 PMAQI
30th Jun 20261039 PMAQI
30th Jun 20269310 PMAQI
30th Jun 20268711 PMAQI
1st Jul 20267712 AMAQI
1st Jul 2026591 AMAQI
1st Jul 2026452 AMAQI
1st Jul 2026323 AMAQI
1st Jul 2026344 AMAQI

32°C30/36°C

1st Jul 2026385 AMAQI
1st Jul 2026466 AMAQI
1st Jul 2026567 AMAQI
1st Jul 2026568 AMAQI
1st Jul 2026509 AMAQI
1st Jul 20264910 AMAQI
1st Jul 20265011 AMAQI
1st Jul 20264912 PMAQI
1st Jul 2026521 PMAQI
1st Jul 2026522 PMAQI
1st Jul 2026523 PMAQI
1st Jul 2026524 PMAQI
1st Jul 2026505 PMAQI
1st Jul 2026486 PMAQI
1st Jul 2026537 PMAQI
1st Jul 2026578 PMAQI
1st Jul 2026529 PMAQI
1st Jul 20264910 PMAQI
1st Jul 20265911 PMAQI
2nd Jul 20265612 AMAQI
2nd Jul 2026501 AMAQI
2nd Jul 2026472 AMAQI
2nd Jul 2026443 AMAQI
2nd Jul 2026464 AMAQI

32°C30/35°C

2nd Jul 2026495 AMAQI
2nd Jul 2026516 AMAQI
2nd Jul 2026557 AMAQI
2nd Jul 2026468 AMAQI
2nd Jul 2026439 AMAQI
2nd Jul 20264110 AMAQI
2nd Jul 20263711 AMAQI
2nd Jul 20264212 PMAQI
2nd Jul 2026461 PMAQI
2nd Jul 2026462 PMAQI
2nd Jul 2026493 PMAQI
2nd Jul 2026504 PMAQI
2nd Jul 2026495 PMAQI
2nd Jul 2026506 PMAQI
2nd Jul 2026527 PMAQI
2nd Jul 2026598 PMAQI
2nd Jul 2026549 PMAQI
2nd Jul 20264910 PMAQI
2nd Jul 20264911 PMAQI
3rd Jul 20265212 AMAQI
3rd Jul 2026471 AMAQI
3rd Jul 2026502 AMAQI
3rd Jul 2026403 AMAQI
3rd Jul 2026504 AMAQI

31°C28/35°C

3rd Jul 2026505 AMAQI
3rd Jul 2026496 AMAQI
3rd Jul 2026587 AMAQI
3rd Jul 2026638 AMAQI
3rd Jul 2026599 AMAQI
3rd Jul 20265610 AMAQI
3rd Jul 20265711 AMAQI
3rd Jul 20265712 PMAQI
3rd Jul 2026571 PMAQI
3rd Jul 2026602 PMAQI
3rd Jul 2026563 PMAQI
3rd Jul 2026544 PMAQI
3rd Jul 2026555 PMAQI
3rd Jul 2026566 PMAQI
3rd Jul 2026687 PMAQI
3rd Jul 2026678 PMAQI
3rd Jul 2026659 PMAQI
3rd Jul 20265910 PMAQI
3rd Jul 20265511 PMAQI
4th Jul 20265412 AMAQI
4th Jul 2026511 AMAQI
4th Jul 2026502 AMAQI
4th Jul 2026513 AMAQI
4th Jul 2026534 AMAQI

32°C28/37°C

4th Jul 2026525 AMAQI
4th Jul 2026386 AMAQI
4th Jul 2026447 AMAQI
4th Jul 2026538 AMAQI
4th Jul 2026599 AMAQI
4th Jul 20266810 AMAQI
4th Jul 20266111 AMAQI
4th Jul 20265912 PMAQI
4th Jul 2026541 PMAQI
4th Jul 2026562 PMAQI
4th Jul 2026583 PMAQI
4th Jul 2026604 PMAQI
4th Jul 2026625 PMAQI
4th Jul 2026656 PMAQI
4th Jul 2026727 PMAQI
4th Jul 2026798 PMAQI
4th Jul 2026739 PMAQI
4th Jul 20266910 PMAQI
4th Jul 20266411 PMAQI
5th Jul 20265412 AMAQI
5th Jul 2026521 AMAQI
5th Jul 2026612 AMAQI
5th Jul 2026643 AMAQI
5th Jul 2026574 AMAQI

31°C30/34°C

5th Jul 2026595 AMAQI
5th Jul 2026636 AMAQI
5th Jul 2026687 AMAQI
5th Jul 2026728 AMAQI
5th Jul 2026709 AMAQI
5th Jul 20266610 AMAQI
5th Jul 20266611 AMAQI
5th Jul 20266512 PMAQI
5th Jul 2026621 PMAQI
5th Jul 2026632 PMAQI
5th Jul 2026633 PMAQI
5th Jul 2026604 PMAQI
5th Jul 2026615 PMAQI
5th Jul 2026596 PMAQI
5th Jul 2026627 PMAQI
5th Jul 2026678 PMAQI
5th Jul 2026659 PMAQI
5th Jul 20266210 PMAQI
5th Jul 20266211 PMAQI
6th Jul 20265712 AMAQI
6th Jul 2026551 AMAQI
6th Jul 2026562 AMAQI
6th Jul 2026583 AMAQI
6th Jul 2026574 AMAQI

32°C29/37°C

6th Jul 2026625 AMAQI
6th Jul 2026656 AMAQI
6th Jul 2026707 AMAQI
6th Jul 2026718 AMAQI
6th Jul 2026689 AMAQI
6th Jul 20266610 AMAQI
6th Jul 20266211 AMAQI
6th Jul 20266212 PMAQI
6th Jul 2026631 PMAQI
6th Jul 2026622 PMAQI
6th Jul 2026583 PMAQI
6th Jul 2026624 PMAQI
6th Jul 2026635 PMAQI
6th Jul 2026606 PMAQI
6th Jul 2026617 PMAQI
6th Jul 2026768 PMAQI
6th Jul 2026839 PMAQI
6th Jul 20267810 PMAQI
6th Jul 20266711 PMAQI
7th Jul 20265912 AMAQI
7th Jul 2026581 AMAQI
7th Jul 2026592 AMAQI
7th Jul 2026573 AMAQI
7th Jul 2026594 AMAQI

33°C29/37°C

7th Jul 2026665 AMAQI
7th Jul 2026736 AMAQI
7th Jul 2026787 AMAQI
7th Jul 2026808 AMAQI
7th Jul 2026709 AMAQI
7th Jul 20266110 AMAQI
7th Jul 20265811 AMAQI
7th Jul 20265812 PMAQI
7th Jul 2026591 PMAQI
7th Jul 2026602 PMAQI
7th Jul 2026593 PMAQI
7th Jul 2026604 PMAQI
7th Jul 2026615 PMAQI
7th Jul 2026636 PMAQI
7th Jul 2026767 PMAQI
7th Jul 2026848 PMAQI
7th Jul 2026869 PMAQI
7th Jul 20267910 PMAQI
7th Jul 20267511 PMAQI
8th Jul 20266712 AMAQI
8th Jul 2026581 AMAQI
8th Jul 2026582 AMAQI
8th Jul 2026593 AMAQI
8th Jul 2026614 AMAQI

32°C29/37°C

8th Jul 2026635 AMAQI
8th Jul 2026666 AMAQI
8th Jul 2026767 AMAQI
8th Jul 2026758 AMAQI
8th Jul 2026719 AMAQI
8th Jul 20266610 AMAQI
8th Jul 20265811 AMAQI
8th Jul 20265912 PMAQI
8th Jul 2026581 PMAQI
8th Jul 2026552 PMAQI
8th Jul 2026543 PMAQI
8th Jul 2026564 PMAQI
8th Jul 2026565 PMAQI
8th Jul 2026596 PMAQI
8th Jul 2026727 PMAQI
8th Jul 2026738 PMAQI
8th Jul 2026669 PMAQI
8th Jul 20266210 PMAQI
8th Jul 20266211 PMAQI
9th Jul 20266212 AMAQI
9th Jul 2026651 AMAQI
9th Jul 2026722 AMAQI
9th Jul 2026703 AMAQI
9th Jul 2026694 AMAQI

33°C29/38°C

9th Jul 2026685 AMAQI
9th Jul 2026626 AMAQI
9th Jul 2026687 AMAQI
9th Jul 2026698 AMAQI
9th Jul 2026659 AMAQI
9th Jul 20266310 AMAQI
9th Jul 20266611 AMAQI
9th Jul 20266912 PMAQI
9th Jul 2026681 PMAQI
9th Jul 2026692 PMAQI
9th Jul 2026773 PMAQI
9th Jul 2026794 PMAQI
9th Jul 2026845 PMAQI
9th Jul 2026956 PMAQI
9th Jul 2026777 PMAQI
9th Jul 2026808 PMAQI
9th Jul 2026759 PMAQI
9th Jul 20267610 PMAQI
9th Jul 20267811 PMAQI
10th Jul 20268012 AMAQI
10th Jul 2026851 AMAQI
10th Jul 2026892 AMAQI
10th Jul 2026813 AMAQI
10th Jul 2026774 AMAQI

32°C30/36°C

10th Jul 2026785 AMAQI
10th Jul 2026866 AMAQI
10th Jul 20261057 AMAQI
10th Jul 20261288 AMAQI
10th Jul 20261229 AMAQI
10th Jul 202611010 AMAQI
10th Jul 20269211 AMAQI
10th Jul 20268312 PMAQI
10th Jul 2026801 PMAQI
10th Jul 2026752 PMAQI
10th Jul 2026733 PMAQI
10th Jul 2026734 PMAQI
10th Jul 2026705 PMAQI
10th Jul 2026776 PMAQI
10th Jul 2026867 PMAQI
10th Jul 20261138 PMAQI
10th Jul 2026949 PMAQI
10th Jul 20269810 PMAQI
10th Jul 20267711 PMAQI
11th Jul 20266612 AMAQI
11th Jul 2026651 AMAQI
11th Jul 2026762 AMAQI
11th Jul 2026723 AMAQI
11th Jul 2026674 AMAQI

32°C30/36°C

11th Jul 2026645 AMAQI
11th Jul 2026656 AMAQI
11th Jul 2026707 AMAQI
11th Jul 2026778 AMAQI
11th Jul 2026779 AMAQI
11th Jul 20267110 AMAQI
11th Jul 20266411 AMAQI
11th Jul 20266312 PMAQI
11th Jul 2026591 PMAQI
11th Jul 2026582 PMAQI
11th Jul 2026603 PMAQI
11th Jul 2026574 PMAQI
11th Jul 2026665 PMAQI
11th Jul 2026806 PMAQI
11th Jul 2026927 PMAQI
11th Jul 2026988 PMAQI
11th Jul 2026929 PMAQI
11th Jul 20267510 PMAQI
11th Jul 20266411 PMAQI
12th Jul 20266012 AMAQI
12th Jul 2026581 AMAQI
12th Jul 2026622 AMAQI
12th Jul 2026683 AMAQI
12th Jul 2026754 AMAQI

32°C30/37°C

12th Jul 2026785 AMAQI
12th Jul 2026826 AMAQI
12th Jul 2026837 AMAQI
12th Jul 2026678 AMAQI
12th Jul 2026579 AMAQI
12th Jul 20265410 AMAQI
12th Jul 20265211 AMAQI
12th Jul 20265212 PMAQI
12th Jul 2026571 PMAQI
12th Jul 2026642 PMAQI
12th Jul 2026713 PMAQI
12th Jul 2026714 PMAQI
12th Jul 2026715 PMAQI
12th Jul 2026806 PMAQI
12th Jul 2026917 PMAQI
12th Jul 2026868 PMAQI
12th Jul 2026819 PMAQI
12th Jul 20267810 PMAQI
12th Jul 20267911 PMAQI
13th Jul 20268112 AMAQI
13th Jul 2026731 AMAQI
13th Jul 2026872 AMAQI
13th Jul 2026873 AMAQI
13th Jul 2026884 AMAQI

32°C29/37°C

13th Jul 2026965 AMAQI
13th Jul 2026996 AMAQI
13th Jul 2026867 AMAQI
13th Jul 2026628 AMAQI
13th Jul 2026599 AMAQI
13th Jul 20265910 AMAQI
13th Jul 20265911 AMAQI
13th Jul 20265812 PMAQI
13th Jul 2026721 PMAQI
13th Jul 2026882 PMAQI
13th Jul 2026893 PMAQI
13th Jul 2026904 PMAQI
13th Jul 2026925 PMAQI
13th Jul 2026946 PMAQI
13th Jul 2026957 PMAQI
13th Jul 20261008 PMAQI
13th Jul 2026999 PMAQI
13th Jul 20268910 PMAQI
13th Jul 20268611 PMAQI
14th Jul 20268512 AMAQI
14th Jul 2026771 AMAQI
14th Jul 2026872 AMAQI
14th Jul 2026873 AMAQI
14th Jul 2026864 AMAQI

32°C29/36°C

14th Jul 2026855 AMAQI
14th Jul 2026946 AMAQI
14th Jul 2026867 AMAQI
14th Jul 2026708 AMAQI
14th Jul 2026639 AMAQI
14th Jul 20266610 AMAQI
14th Jul 20266111 AMAQI
14th Jul 20265812 PMAQI
14th Jul 2026671 PMAQI
14th Jul 2026782 PMAQI
14th Jul 2026783 PMAQI
14th Jul 2026804 PMAQI
14th Jul 2026805 PMAQI
14th Jul 2026816 PMAQI
14th Jul 2026917 PMAQI
14th Jul 2026968 PMAQI
14th Jul 20261129 PMAQI
14th Jul 202610510 PMAQI
14th Jul 20269211 PMAQI
15th Jul 20268312 AMAQI
15th Jul 2026791 AMAQI
15th Jul 2026842 AMAQI
15th Jul 2026833 AMAQI
15th Jul 2026824 AMAQI

32°C29/36°C

15th Jul 2026875 AMAQI
15th Jul 2026856 AMAQI
15th Jul 2026957 AMAQI
15th Jul 2026918 AMAQI
15th Jul 2026869 AMAQI
15th Jul 20267610 AMAQI
15th Jul 20266611 AMAQI
15th Jul 20266412 PMAQI
15th Jul 2026701 PMAQI
15th Jul 2026782 PMAQI
15th Jul 2026853 PMAQI
15th Jul 2026874 PMAQI
15th Jul 20261025 PMAQI
15th Jul 20261116 PMAQI
15th Jul 20261237 PMAQI
15th Jul 20261018 PMAQI
15th Jul 2026949 PMAQI
15th Jul 20268610 PMAQI
15th Jul 20268511 PMAQI
16th Jul 20268312 AMAQI
16th Jul 2026811 AMAQI
16th Jul 2026842 AMAQI
16th Jul 2026863 AMAQI
16th Jul 2026894 AMAQI

32°C28/37°C

16th Jul 2026895 AMAQI
16th Jul 2026966 AMAQI
16th Jul 2026907 AMAQI
16th Jul 2026948 AMAQI
16th Jul 2026929 AMAQI
16th Jul 20268810 AMAQI
16th Jul 20267811 AMAQI
16th Jul 20267612 PMAQI
16th Jul 2026751 PMAQI
16th Jul 2026762 PMAQI
16th Jul 2026793 PMAQI
16th Jul 2026834 PMAQI
16th Jul 2026845 PMAQI
16th Jul 2026916 PMAQI
16th Jul 20261027 PMAQI
16th Jul 20261068 PMAQI
16th Jul 20261019 PMAQI
16th Jul 20269310 PMAQI
16th Jul 20268811 PMAQI
17th Jul 20268812 AMAQI
17th Jul 2026901 AMAQI
17th Jul 2026872 AMAQI
17th Jul 2026883 AMAQI
17th Jul 2026894 AMAQI

31°C29/36°C

17th Jul 2026895 AMAQI
5 AM
17th Jul 20261006 AMAQI
17th Jul 2026987 AMAQI
17th Jul 20261028 AMAQI
17th Jul 2026999 AMAQI
17th Jul 20269710 AMAQI
17th Jul 20268811 AMAQI
11 AM
17th Jul 20267912 PMAQI
17th Jul 2026741 PMAQI
17th Jul 2026722 PMAQI
17th Jul 2026813 PMAQI
17th Jul 2026874 PMAQI
17th Jul 2026785 PMAQI
17th Jul 2026796 PMAQI
6 PM
17th Jul 2026967 PMAQI
17th Jul 20261128 PMAQI
17th Jul 2026969 PMAQI
17th Jul 20269310 PMAQI
17th Jul 20269711 PMAQI
11 PM
4 AM

31°C29/36°C

Day time
Avg. Highest Time
7 AM - 8 AM

78AQI

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

64AQI

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. 78), while the lowest AQI was between 12 PM to 1 PM (Avg. 64).
Night time
Avg. Highest Time
8 PM

91AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
1 AM

66AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 PM to 8 PM (Avg. 91), while the lowest AQI was between 1 AM to 1 AM (Avg. 66).

2026 Days Vs Air Quality

Chennai, Tamil Nadu, India

2026

5%

10

58%

115

20%

39

17%

33

0.5%

1

Total number of days with different AQI categories in last 198 days in 2026 (167 days remaining)

Good
10 Days
Moderate
115 Days
Poor
39 Days
Unhealthy
33 Days
Severe
1 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 5%

Health Risk Level:

Extreme

In 2026, 5% of 198 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

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
125AQI (US)
2nd January 2026
163AQI (US)
3rd January 2026
163AQI (US)
4th January 2026
155AQI (US)
5th January 2026
165AQI (US)
6th January 2026
166AQI (US)
7th January 2026
157AQI (US)
8th January 2026
127AQI (US)
9th January 2026
119AQI (US)
10th January 2026
129AQI (US)
11th January 2026
141AQI (US)
12th January 2026
136AQI (US)
13th January 2026
141AQI (US)
14th January 2026
249AQI (US)
15th January 2026
170AQI (US)
16th January 2026
170AQI (US)
17th January 2026
169AQI (US)
18th January 2026
165AQI (US)
19th January 2026
169AQI (US)
20th January 2026
176AQI (US)
21st January 2026
155AQI (US)
22nd January 2026
133AQI (US)
23rd January 2026
162AQI (US)
24th January 2026
142AQI (US)
25th January 2026
117AQI (US)
26th January 2026
109AQI (US)
27th January 2026
157AQI (US)
28th January 2026
171AQI (US)
29th January 2026
174AQI (US)
30th January 2026
159AQI (US)
31st January 2026
114AQI (US)
1st February 2026
157AQI (US)
2nd February 2026
177AQI (US)
3rd February 2026
131AQI (US)
4th February 2026
121AQI (US)
5th February 2026
129AQI (US)
6th February 2026
144AQI (US)
7th February 2026
156AQI (US)
8th February 2026
167AQI (US)
9th February 2026
162AQI (US)
10th February 2026
164AQI (US)
11th February 2026
144AQI (US)
12th February 2026
136AQI (US)
13th February 2026
131AQI (US)
14th February 2026
158AQI (US)
15th February 2026
172AQI (US)
16th February 2026
178AQI (US)
17th February 2026
169AQI (US)
18th February 2026
153AQI (US)
19th February 2026
145AQI (US)
20th February 2026
149AQI (US)
21st February 2026
134AQI (US)
22nd February 2026
114AQI (US)
23rd February 2026
82AQI (US)
24th February 2026
94AQI (US)
25th February 2026
107AQI (US)
26th February 2026
149AQI (US)
27th February 2026
162AQI (US)
28th February 2026
169AQI (US)
1st March 2026
167AQI (US)
2nd March 2026
157AQI (US)
3rd March 2026
149AQI (US)
4th March 2026
128AQI (US)
5th March 2026
130AQI (US)
6th March 2026
134AQI (US)
7th March 2026
131AQI (US)
8th March 2026
115AQI (US)
9th March 2026
130AQI (US)
10th March 2026
128AQI (US)
11th March 2026
121AQI (US)
12th March 2026
129AQI (US)
13th March 2026
103AQI (US)
14th March 2026
90AQI (US)
15th March 2026
75AQI (US)
16th March 2026
59AQI (US)
17th March 2026
61AQI (US)
18th March 2026
69AQI (US)
19th March 2026
65AQI (US)
20th March 2026
72AQI (US)
21st March 2026
69AQI (US)
22nd March 2026
64AQI (US)
23rd March 2026
67AQI (US)
24th March 2026
64AQI (US)
25th March 2026
77AQI (US)
26th March 2026
99AQI (US)
27th March 2026
110AQI (US)
28th March 2026
108AQI (US)
29th March 2026
85AQI (US)
30th March 2026
80AQI (US)
31st March 2026
85AQI (US)
1st April 2026
81AQI (US)
2nd April 2026
78AQI (US)
3rd April 2026
85AQI (US)
4th April 2026
78AQI (US)
5th April 2026
86AQI (US)
6th April 2026
107AQI (US)
7th April 2026
97AQI (US)
8th April 2026
94AQI (US)
9th April 2026
94AQI (US)
10th April 2026
95AQI (US)
11th April 2026
86AQI (US)
12th April 2026
65AQI (US)
13th April 2026
55AQI (US)
14th April 2026
57AQI (US)
15th April 2026
49AQI (US)
16th April 2026
52AQI (US)
17th April 2026
47AQI (US)
18th April 2026
44AQI (US)
19th April 2026
47AQI (US)
20th April 2026
57AQI (US)
21st April 2026
68AQI (US)
22nd April 2026
55AQI (US)
23rd April 2026
38AQI (US)
24th April 2026
40AQI (US)
25th April 2026
42AQI (US)
26th April 2026
69AQI (US)
27th April 2026
85AQI (US)
28th April 2026
74AQI (US)
29th April 2026
60AQI (US)
30th April 2026
59AQI (US)
1st May 2026
71AQI (US)
2nd May 2026
76AQI (US)
3rd May 2026
98AQI (US)
4th May 2026
91AQI (US)
5th May 2026
94AQI (US)
6th May 2026
76AQI (US)
7th May 2026
41AQI (US)
8th May 2026
45AQI (US)
9th May 2026
67AQI (US)
10th May 2026
66AQI (US)
11th May 2026
68AQI (US)
12th May 2026
63AQI (US)
13th May 2026
57AQI (US)
14th May 2026
59AQI (US)
15th May 2026
67AQI (US)
16th May 2026
100AQI (US)
17th May 2026
95AQI (US)
18th May 2026
89AQI (US)
19th May 2026
76AQI (US)
20th May 2026
66AQI (US)
21st May 2026
74AQI (US)
22nd May 2026
74AQI (US)
23rd May 2026
89AQI (US)
24th May 2026
98AQI (US)
25th May 2026
87AQI (US)
26th May 2026
89AQI (US)
27th May 2026
86AQI (US)
28th May 2026
84AQI (US)
29th May 2026
85AQI (US)
30th May 2026
76AQI (US)
31st May 2026
80AQI (US)
1st June 2026
79AQI (US)
2nd June 2026
77AQI (US)
3rd June 2026
65AQI (US)
4th June 2026
58AQI (US)
5th June 2026
62AQI (US)
6th June 2026
59AQI (US)
7th June 2026
56AQI (US)
8th June 2026
55AQI (US)
9th June 2026
53AQI (US)
10th June 2026
62AQI (US)
11th June 2026
66AQI (US)
12th June 2026
80AQI (US)
13th June 2026
69AQI (US)
14th June 2026
68AQI (US)
15th June 2026
77AQI (US)
16th June 2026
84AQI (US)
17th June 2026
86AQI (US)
18th June 2026
85AQI (US)
19th June 2026
95AQI (US)
20th June 2026
98AQI (US)
21st June 2026
87AQI (US)
22nd June 2026
70AQI (US)
23rd June 2026
63AQI (US)
24th June 2026
68AQI (US)
25th June 2026
66AQI (US)
26th June 2026
76AQI (US)
27th June 2026
76AQI (US)
28th June 2026
78AQI (US)
29th June 2026
65AQI (US)
30th June 2026
59AQI (US)
1st July 2026
51AQI (US)
2nd July 2026
49AQI (US)
3rd July 2026
56AQI (US)
4th July 2026
59AQI (US)
5th July 2026
63AQI (US)
6th July 2026
64AQI (US)
7th July 2026
67AQI (US)
8th July 2026
63AQI (US)
9th July 2026
72AQI (US)
10th July 2026
89AQI (US)
11th July 2026
71AQI (US)
12th July 2026
70AQI (US)
13th July 2026
83AQI (US)
14th July 2026
82AQI (US)
15th July 2026
87AQI (US)
16th July 2026
89AQI (US)
17th July 2026
92AQI (US)
18th July 2026
19th July 2026
20th July 2026
21st July 2026
22nd July 2026
23rd July 2026
24th July 2026
25th July 2026
26th July 2026
27th July 2026
28th July 2026
29th July 2026
30th July 2026
31st July 2026
1st August 2026
2nd August 2026
3rd August 2026
4th August 2026
5th August 2026
6th August 2026
7th August 2026
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
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

153AQI (US)

145AQI (US)

101AQI (US)

68AQI (US)

77AQI (US)

71AQI (US)

71AQI (US)

No. of days

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

2026100AQI (US)

12
18
1
2
13
13
16
13
2
7
22
1
2
29
30
1
16
10
115
39
33
1

Highest AQI (US) recorded in

January

153AQI (US)

Lowest AQI (US) recorded in

April

68AQI (US)

202598AQI (US)

3
27
1
8
20
27
4
30
31
30
31
31
30
17
12
2
4
11
15
2
4
24
1
244
78
42
1

Highest AQI (US) recorded in

December

167AQI (US)

Lowest AQI (US) recorded in

August

67AQI (US)

202482AQI (US)

4
23
3
1
7
22
17
14
29
1
15
16
30
2
29
5
26
2
28
5
19
6
1
1
11
18
18
13
30
234
97
4
1

Highest AQI (US) recorded in

January

126AQI (US)

Lowest AQI (US) recorded in

May

55AQI (US)

202390AQI (US)

5
24
2
8
20
3
16
12
1
27
2
2
23
6
27
3
31
30
1
30
1
22
8
4
17
8
10
15
6
11
246
99
8

Highest AQI (US) recorded in

January

124AQI (US)

Lowest AQI (US) recorded in

September

65AQI (US)

202285AQI (US)

1
27
3
27
1
21
10
12
18
21
10
26
4
2
29
2
9
1
25
4
2
13
11
4
1
3
10
13
4
1
14
9
7
23
240
66
15
1

Highest AQI (US) recorded in

December

110AQI (US)

Lowest AQI (US) recorded in

April

54AQI (US)

202182AQI (US)

13
18
12
16
15
14
2
1
28
1
15
16
2
27
1
1
30
31
29
1
2
24
5
4
26
12
19
25
263
75
2

Highest AQI (US) recorded in

January

106AQI (US)

Lowest AQI (US) recorded in

May

54AQI (US)

202086AQI (US)

3
24
3
1
28
1
18
13
13
13
4
11
20
8
22
8
23
2
29
30
24
7
1
18
11
5
2
23
1
48
202
110
5
1

Highest AQI (US) recorded in

January

133AQI (US)

Lowest AQI (US) recorded in

July

58AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2026(Avg.)
100AQI (US)
Least Polluted Year Recorded
2021(Avg.)
82AQI (US)

Chennai's annual 2026 AQI (US) (100) shows an average percentage change of 15.1% (worsened AQI (US)) compared to previous years: 2020 (86), 2021 (82), 2022 (85), 2023 (90), 2024 (82), 2025 (98).