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
Chennai, Tamil Nadu, India
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
3rd Aug 2022
103AQILowest AQI recorded on
15th Aug 2024
38AQISame Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 75 of Moderate air quality, showing improvement over 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Chennai, Tamil Nadu, India
AQI
Day
Night
.
5 AM2nd Aug 2025
6 PM
4 AM3rd Aug 2025
Day time
Avg. Highest Time
1PM2nd Aug
82AQI
Avg. Lowest Time
5AM2nd Aug
70AQI
Night time
Avg. Highest Time
9PM2nd Aug
80AQI
Avg. Lowest Time
4AM3rd Aug
72AQI
In the last 24 hours,
Chennai's AQI reached its highest point of 82 at 1 PM during the Day, while the lowest point, 70, was recorded at 5 AM during the Day between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Chennai, Tamil Nadu, India
JulAug
04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd
Day
Night
4th Jul 2025645 AMAQI
4th Jul 2025616 AMAQI
4th Jul 2025607 AMAQI
4th Jul 2025638 AMAQI
4th Jul 2025639 AMAQI
4th Jul 20256810 AMAQI
4th Jul 20257111 AMAQI
4th Jul 20257012 PMAQI
4th Jul 2025661 PMAQI
4th Jul 2025662 PMAQI
4th Jul 2025663 PMAQI
4th Jul 2025654 PMAQI
4th Jul 2025655 PMAQI
4th Jul 2025646 PMAQI
4th Jul 2025647 PMAQI
4th Jul 2025668 PMAQI
4th Jul 2025659 PMAQI
4th Jul 20256410 PMAQI
4th Jul 20256411 PMAQI
5th Jul 20256412 AMAQI
5th Jul 2025651 AMAQI
5th Jul 2025652 AMAQI
5th Jul 2025653 AMAQI
5th Jul 2025654 AMAQI
32°C28/36°C
5th Jul 2025645 AMAQI
5th Jul 2025666 AMAQI
5th Jul 2025657 AMAQI
5th Jul 2025648 AMAQI
5th Jul 2025649 AMAQI
5th Jul 20256610 AMAQI
5th Jul 20256511 AMAQI
5th Jul 20256512 PMAQI
5th Jul 2025641 PMAQI
5th Jul 2025642 PMAQI
5th Jul 2025653 PMAQI
5th Jul 2025674 PMAQI
5th Jul 2025665 PMAQI
5th Jul 2025656 PMAQI
5th Jul 2025667 PMAQI
5th Jul 2025668 PMAQI
5th Jul 2025679 PMAQI
5th Jul 20256610 PMAQI
5th Jul 20256511 PMAQI
6th Jul 20256512 AMAQI
6th Jul 2025661 AMAQI
6th Jul 2025652 AMAQI
6th Jul 2025663 AMAQI
6th Jul 2025654 AMAQI
32°C29/37°C
6th Jul 2025655 AMAQI
6th Jul 2025556 AMAQI
6th Jul 2025597 AMAQI
6th Jul 2025618 AMAQI
6th Jul 2025649 AMAQI
6th Jul 20256410 AMAQI
6th Jul 20256411 AMAQI
6th Jul 20256312 PMAQI
6th Jul 2025641 PMAQI
6th Jul 2025622 PMAQI
6th Jul 2025633 PMAQI
6th Jul 2025644 PMAQI
6th Jul 2025645 PMAQI
6th Jul 2025636 PMAQI
6th Jul 2025637 PMAQI
6th Jul 2025648 PMAQI
6th Jul 2025649 PMAQI
6th Jul 20256410 PMAQI
6th Jul 20256411 PMAQI
7th Jul 20256412 AMAQI
7th Jul 2025641 AMAQI
7th Jul 2025642 AMAQI
7th Jul 2025643 AMAQI
7th Jul 2025644 AMAQI
32°C29/37°C
7th Jul 2025625 AMAQI
7th Jul 2025616 AMAQI
7th Jul 2025617 AMAQI
7th Jul 2025628 AMAQI
7th Jul 2025689 AMAQI
7th Jul 20256810 AMAQI
7th Jul 20256811 AMAQI
7th Jul 20256612 PMAQI
7th Jul 2025661 PMAQI
7th Jul 2025682 PMAQI
7th Jul 2025683 PMAQI
7th Jul 2025694 PMAQI
7th Jul 2025665 PMAQI
7th Jul 2025636 PMAQI
7th Jul 2025637 PMAQI
7th Jul 2025648 PMAQI
7th Jul 2025649 PMAQI
7th Jul 20256510 PMAQI
7th Jul 20256611 PMAQI
8th Jul 20256412 AMAQI
8th Jul 2025641 AMAQI
8th Jul 2025642 AMAQI
8th Jul 2025653 AMAQI
8th Jul 2025644 AMAQI
33°C29/37°C
8th Jul 2025675 AMAQI
8th Jul 2025736 AMAQI
8th Jul 2025737 AMAQI
8th Jul 2025758 AMAQI
8th Jul 2025739 AMAQI
8th Jul 20257210 AMAQI
8th Jul 20257311 AMAQI
8th Jul 20257012 PMAQI
8th Jul 2025711 PMAQI
8th Jul 2025702 PMAQI
8th Jul 2025713 PMAQI
8th Jul 2025684 PMAQI
8th Jul 2025685 PMAQI
8th Jul 2025676 PMAQI
8th Jul 2025677 PMAQI
8th Jul 2025678 PMAQI
8th Jul 2025679 PMAQI
8th Jul 20256610 PMAQI
8th Jul 20256511 PMAQI
9th Jul 20256512 AMAQI
9th Jul 2025661 AMAQI
9th Jul 2025672 AMAQI
9th Jul 2025663 AMAQI
9th Jul 2025674 AMAQI
32°C29/37°C
9th Jul 2025665 AMAQI
9th Jul 2025686 AMAQI
9th Jul 2025727 AMAQI
9th Jul 2025788 AMAQI
9th Jul 2025779 AMAQI
9th Jul 20257310 AMAQI
9th Jul 20257211 AMAQI
9th Jul 20257212 PMAQI
9th Jul 2025721 PMAQI
9th Jul 2025722 PMAQI
9th Jul 2025703 PMAQI
9th Jul 2025724 PMAQI
9th Jul 2025685 PMAQI
9th Jul 2025676 PMAQI
9th Jul 2025677 PMAQI
9th Jul 2025688 PMAQI
9th Jul 2025679 PMAQI
9th Jul 20256710 PMAQI
9th Jul 20256711 PMAQI
10th Jul 20256712 AMAQI
10th Jul 2025671 AMAQI
10th Jul 2025672 AMAQI
10th Jul 2025683 AMAQI
10th Jul 2025684 AMAQI
32°C29/37°C
10th Jul 2025705 AMAQI
10th Jul 2025766 AMAQI
10th Jul 2025747 AMAQI
10th Jul 2025778 AMAQI
10th Jul 2025759 AMAQI
10th Jul 20257210 AMAQI
10th Jul 20257211 AMAQI
10th Jul 20257312 PMAQI
10th Jul 2025721 PMAQI
10th Jul 2025722 PMAQI
10th Jul 2025713 PMAQI
10th Jul 2025684 PMAQI
10th Jul 2025705 PMAQI
10th Jul 2025706 PMAQI
10th Jul 2025717 PMAQI
10th Jul 2025708 PMAQI
10th Jul 2025719 PMAQI
10th Jul 20257110 PMAQI
10th Jul 20257211 PMAQI
11th Jul 20257112 AMAQI
11th Jul 2025701 AMAQI
11th Jul 2025692 AMAQI
11th Jul 2025713 AMAQI
11th Jul 2025704 AMAQI
32°C30/35°C
11th Jul 2025725 AMAQI
11th Jul 2025786 AMAQI
11th Jul 2025807 AMAQI
11th Jul 2025838 AMAQI
11th Jul 2025829 AMAQI
11th Jul 20257610 AMAQI
11th Jul 20257411 AMAQI
11th Jul 20257312 PMAQI
11th Jul 2025721 PMAQI
11th Jul 2025742 PMAQI
11th Jul 2025743 PMAQI
11th Jul 2025734 PMAQI
11th Jul 2025745 PMAQI
11th Jul 2025726 PMAQI
11th Jul 2025727 PMAQI
11th Jul 2025728 PMAQI
11th Jul 2025729 PMAQI
11th Jul 20257210 PMAQI
11th Jul 20257211 PMAQI
12th Jul 20257312 AMAQI
12th Jul 2025731 AMAQI
12th Jul 2025732 AMAQI
12th Jul 2025733 AMAQI
12th Jul 2025734 AMAQI
31°C29/35°C
12th Jul 2025715 AMAQI
12th Jul 2025696 AMAQI
12th Jul 2025757 AMAQI
12th Jul 2025768 AMAQI
12th Jul 2025799 AMAQI
12th Jul 20257310 AMAQI
12th Jul 20257211 AMAQI
12th Jul 20257012 PMAQI
12th Jul 2025721 PMAQI
12th Jul 2025712 PMAQI
12th Jul 2025713 PMAQI
12th Jul 2025704 PMAQI
12th Jul 2025715 PMAQI
12th Jul 2025716 PMAQI
12th Jul 2025727 PMAQI
12th Jul 2025738 PMAQI
12th Jul 2025729 PMAQI
12th Jul 20257310 PMAQI
12th Jul 20257111 PMAQI
13th Jul 20257112 AMAQI
13th Jul 2025711 AMAQI
13th Jul 2025722 AMAQI
13th Jul 2025723 AMAQI
13th Jul 2025724 AMAQI
32°C30/36°C
13th Jul 2025725 AMAQI
13th Jul 2025736 AMAQI
13th Jul 2025777 AMAQI
13th Jul 2025828 AMAQI
13th Jul 2025839 AMAQI
13th Jul 20257810 AMAQI
13th Jul 20257611 AMAQI
13th Jul 20257412 PMAQI
13th Jul 2025721 PMAQI
13th Jul 2025722 PMAQI
13th Jul 2025713 PMAQI
13th Jul 2025724 PMAQI
13th Jul 2025735 PMAQI
13th Jul 2025726 PMAQI
13th Jul 2025737 PMAQI
13th Jul 2025738 PMAQI
13th Jul 2025749 PMAQI
13th Jul 20257210 PMAQI
13th Jul 20257211 PMAQI
14th Jul 20257212 AMAQI
14th Jul 2025721 AMAQI
14th Jul 2025732 AMAQI
14th Jul 2025743 AMAQI
14th Jul 2025734 AMAQI
32°C30/35°C
14th Jul 2025705 AMAQI
14th Jul 2025626 AMAQI
14th Jul 2025647 AMAQI
14th Jul 2025708 AMAQI
14th Jul 2025719 AMAQI
14th Jul 20257310 AMAQI
14th Jul 20257111 AMAQI
14th Jul 20257012 PMAQI
14th Jul 2025711 PMAQI
14th Jul 2025702 PMAQI
14th Jul 2025693 PMAQI
14th Jul 2025694 PMAQI
14th Jul 2025705 PMAQI
14th Jul 2025706 PMAQI
14th Jul 2025707 PMAQI
14th Jul 2025708 PMAQI
14th Jul 2025729 PMAQI
14th Jul 20257210 PMAQI
14th Jul 20257111 PMAQI
15th Jul 20257112 AMAQI
15th Jul 2025701 AMAQI
15th Jul 2025702 AMAQI
15th Jul 2025713 AMAQI
15th Jul 2025704 AMAQI
32°C30/36°C
15th Jul 2025685 AMAQI
15th Jul 2025686 AMAQI
15th Jul 2025777 AMAQI
15th Jul 2025808 AMAQI
15th Jul 2025839 AMAQI
15th Jul 20257210 AMAQI
15th Jul 20257011 AMAQI
15th Jul 20257012 PMAQI
15th Jul 2025701 PMAQI
15th Jul 2025702 PMAQI
15th Jul 2025693 PMAQI
15th Jul 2025674 PMAQI
15th Jul 2025705 PMAQI
15th Jul 2025706 PMAQI
15th Jul 2025707 PMAQI
15th Jul 2025708 PMAQI
15th Jul 2025719 PMAQI
15th Jul 20257110 PMAQI
15th Jul 20257111 PMAQI
16th Jul 20257012 AMAQI
16th Jul 2025711 AMAQI
16th Jul 2025712 AMAQI
16th Jul 2025703 AMAQI
16th Jul 2025714 AMAQI
32°C30/37°C
16th Jul 2025705 AMAQI
16th Jul 2025686 AMAQI
16th Jul 2025737 AMAQI
16th Jul 2025738 AMAQI
16th Jul 2025709 AMAQI
16th Jul 20257310 AMAQI
16th Jul 20257411 AMAQI
16th Jul 20257512 PMAQI
16th Jul 2025731 PMAQI
16th Jul 2025692 PMAQI
16th Jul 2025693 PMAQI
16th Jul 2025694 PMAQI
16th Jul 2025695 PMAQI
16th Jul 2025696 PMAQI
16th Jul 2025707 PMAQI
16th Jul 2025708 PMAQI
16th Jul 2025709 PMAQI
16th Jul 20257010 PMAQI
16th Jul 20257211 PMAQI
17th Jul 20257112 AMAQI
17th Jul 2025711 AMAQI
17th Jul 2025702 AMAQI
17th Jul 2025713 AMAQI
17th Jul 2025704 AMAQI
31°C30/35°C
17th Jul 2025675 AMAQI
17th Jul 2025646 AMAQI
17th Jul 2025657 AMAQI
17th Jul 2025628 AMAQI
17th Jul 2025699 AMAQI
17th Jul 20257110 AMAQI
17th Jul 20257211 AMAQI
17th Jul 20257112 PMAQI
17th Jul 2025711 PMAQI
17th Jul 2025712 PMAQI
17th Jul 2025713 PMAQI
17th Jul 2025714 PMAQI
17th Jul 2025705 PMAQI
17th Jul 2025716 PMAQI
17th Jul 2025727 PMAQI
17th Jul 2025728 PMAQI
17th Jul 2025729 PMAQI
17th Jul 20257210 PMAQI
17th Jul 20257111 PMAQI
18th Jul 20257012 AMAQI
18th Jul 2025701 AMAQI
18th Jul 2025702 AMAQI
18th Jul 2025703 AMAQI
18th Jul 2025704 AMAQI
31°C28/35°C
18th Jul 2025665 AMAQI
18th Jul 2025546 AMAQI
18th Jul 2025657 AMAQI
18th Jul 2025668 AMAQI
18th Jul 2025719 AMAQI
18th Jul 20257310 AMAQI
18th Jul 20257411 AMAQI
18th Jul 20257412 PMAQI
18th Jul 2025701 PMAQI
18th Jul 2025722 PMAQI
18th Jul 2025733 PMAQI
18th Jul 2025724 PMAQI
18th Jul 2025715 PMAQI
18th Jul 2025696 PMAQI
18th Jul 2025727 PMAQI
18th Jul 2025708 PMAQI
18th Jul 2025719 PMAQI
18th Jul 20257010 PMAQI
18th Jul 20257111 PMAQI
19th Jul 20257012 AMAQI
19th Jul 2025681 AMAQI
19th Jul 2025682 AMAQI
19th Jul 2025693 AMAQI
19th Jul 2025684 AMAQI
30°C27/33°C
19th Jul 2025675 AMAQI
19th Jul 2025636 AMAQI
19th Jul 2025677 AMAQI
19th Jul 2025838 AMAQI
19th Jul 2025779 AMAQI
19th Jul 20257410 AMAQI
19th Jul 20257211 AMAQI
19th Jul 20257212 PMAQI
19th Jul 2025711 PMAQI
19th Jul 2025712 PMAQI
19th Jul 2025703 PMAQI
19th Jul 2025694 PMAQI
19th Jul 2025685 PMAQI
19th Jul 2025696 PMAQI
19th Jul 2025717 PMAQI
19th Jul 2025718 PMAQI
19th Jul 2025719 PMAQI
19th Jul 20257010 PMAQI
19th Jul 20257011 PMAQI
20th Jul 20256912 AMAQI
20th Jul 2025691 AMAQI
20th Jul 2025702 AMAQI
20th Jul 2025693 AMAQI
20th Jul 2025704 AMAQI
29°C26/33°C
20th Jul 2025695 AMAQI
20th Jul 2025626 AMAQI
20th Jul 2025637 AMAQI
20th Jul 2025698 AMAQI
20th Jul 2025709 AMAQI
20th Jul 20257310 AMAQI
20th Jul 20257311 AMAQI
20th Jul 20257212 PMAQI
20th Jul 2025691 PMAQI
20th Jul 2025672 PMAQI
20th Jul 2025673 PMAQI
20th Jul 2025684 PMAQI
20th Jul 2025675 PMAQI
20th Jul 2025676 PMAQI
20th Jul 2025687 PMAQI
20th Jul 2025678 PMAQI
20th Jul 2025689 PMAQI
20th Jul 20257010 PMAQI
20th Jul 20257011 PMAQI
21st Jul 20256912 AMAQI
21st Jul 2025701 AMAQI
21st Jul 2025702 AMAQI
21st Jul 2025703 AMAQI
21st Jul 2025694 AMAQI
27°C25/32°C
21st Jul 2025665 AMAQI
21st Jul 2025566 AMAQI
21st Jul 2025647 AMAQI
21st Jul 2025708 AMAQI
21st Jul 2025729 AMAQI
21st Jul 20257210 AMAQI
21st Jul 20257211 AMAQI
21st Jul 20257512 PMAQI
21st Jul 2025721 PMAQI
21st Jul 2025722 PMAQI
21st Jul 2025723 PMAQI
21st Jul 2025734 PMAQI
21st Jul 2025695 PMAQI
21st Jul 2025676 PMAQI
21st Jul 2025697 PMAQI
21st Jul 2025708 PMAQI
21st Jul 2025719 PMAQI
21st Jul 20257110 PMAQI
21st Jul 20256911 PMAQI
22nd Jul 20256812 AMAQI
22nd Jul 2025681 AMAQI
22nd Jul 2025692 AMAQI
22nd Jul 2025693 AMAQI
22nd Jul 2025684 AMAQI
28°C26/31°C
22nd Jul 2025665 AMAQI
22nd Jul 2025606 AMAQI
22nd Jul 2025647 AMAQI
22nd Jul 2025668 AMAQI
22nd Jul 2025719 AMAQI
22nd Jul 20257510 AMAQI
22nd Jul 20257611 AMAQI
22nd Jul 20257112 PMAQI
22nd Jul 2025681 PMAQI
22nd Jul 2025702 PMAQI
22nd Jul 2025703 PMAQI
22nd Jul 2025724 PMAQI
22nd Jul 2025685 PMAQI
22nd Jul 2025676 PMAQI
22nd Jul 2025687 PMAQI
22nd Jul 2025688 PMAQI
22nd Jul 2025689 PMAQI
22nd Jul 20256710 PMAQI
22nd Jul 20256711 PMAQI
23rd Jul 20256712 AMAQI
23rd Jul 2025671 AMAQI
23rd Jul 2025682 AMAQI
23rd Jul 2025673 AMAQI
23rd Jul 2025684 AMAQI
29°C27/32°C
23rd Jul 2025665 AMAQI
23rd Jul 2025616 AMAQI
23rd Jul 2025647 AMAQI
23rd Jul 2025678 AMAQI
23rd Jul 2025689 AMAQI
23rd Jul 20256410 AMAQI
23rd Jul 20256411 AMAQI
23rd Jul 20256612 PMAQI
23rd Jul 2025691 PMAQI
23rd Jul 2025692 PMAQI
23rd Jul 2025693 PMAQI
23rd Jul 2025694 PMAQI
23rd Jul 2025685 PMAQI
23rd Jul 2025696 PMAQI
23rd Jul 2025717 PMAQI
23rd Jul 2025738 PMAQI
23rd Jul 2025729 PMAQI
23rd Jul 20257110 PMAQI
23rd Jul 20257011 PMAQI
24th Jul 20257012 AMAQI
24th Jul 2025661 AMAQI
24th Jul 2025662 AMAQI
24th Jul 2025663 AMAQI
24th Jul 2025674 AMAQI
29°C28/32°C
24th Jul 2025655 AMAQI
24th Jul 2025626 AMAQI
24th Jul 2025667 AMAQI
24th Jul 2025728 AMAQI
24th Jul 2025759 AMAQI
24th Jul 20257310 AMAQI
24th Jul 20257411 AMAQI
24th Jul 20257212 PMAQI
24th Jul 2025741 PMAQI
24th Jul 2025712 PMAQI
24th Jul 2025693 PMAQI
24th Jul 2025704 PMAQI
24th Jul 2025675 PMAQI
24th Jul 2025666 PMAQI
24th Jul 2025677 PMAQI
24th Jul 2025708 PMAQI
24th Jul 2025719 PMAQI
24th Jul 20256910 PMAQI
24th Jul 20256911 PMAQI
25th Jul 20256712 AMAQI
25th Jul 2025671 AMAQI
25th Jul 2025672 AMAQI
25th Jul 2025673 AMAQI
25th Jul 2025674 AMAQI
29°C26/31°C
25th Jul 2025675 AMAQI
25th Jul 2025676 AMAQI
25th Jul 2025687 AMAQI
25th Jul 2025738 AMAQI
25th Jul 2025739 AMAQI
25th Jul 20257410 AMAQI
25th Jul 20257611 AMAQI
25th Jul 20257412 PMAQI
25th Jul 2025731 PMAQI
25th Jul 2025722 PMAQI
25th Jul 2025733 PMAQI
25th Jul 2025724 PMAQI
25th Jul 2025695 PMAQI
25th Jul 2025706 PMAQI
25th Jul 2025697 PMAQI
25th Jul 2025708 PMAQI
25th Jul 2025709 PMAQI
25th Jul 20257010 PMAQI
25th Jul 20256911 PMAQI
26th Jul 20256812 AMAQI
26th Jul 2025681 AMAQI
26th Jul 2025682 AMAQI
26th Jul 2025673 AMAQI
26th Jul 2025684 AMAQI
30°C28/31°C
26th Jul 2025675 AMAQI
26th Jul 2025636 AMAQI
26th Jul 2025657 AMAQI
26th Jul 2025718 AMAQI
26th Jul 2025719 AMAQI
26th Jul 20257210 AMAQI
26th Jul 20257011 AMAQI
26th Jul 20256912 PMAQI
26th Jul 2025661 PMAQI
26th Jul 2025662 PMAQI
26th Jul 2025643 PMAQI
26th Jul 2025654 PMAQI
26th Jul 2025655 PMAQI
26th Jul 2025656 PMAQI
26th Jul 2025667 PMAQI
26th Jul 2025678 PMAQI
26th Jul 2025679 PMAQI
26th Jul 20256710 PMAQI
26th Jul 20256711 PMAQI
27th Jul 20256712 AMAQI
27th Jul 2025681 AMAQI
27th Jul 2025672 AMAQI
27th Jul 2025673 AMAQI
27th Jul 2025674 AMAQI
30°C28/31°C
27th Jul 2025675 AMAQI
27th Jul 2025576 AMAQI
27th Jul 2025637 AMAQI
27th Jul 2025688 AMAQI
27th Jul 2025699 AMAQI
27th Jul 20256810 AMAQI
27th Jul 20256511 AMAQI
27th Jul 20256412 PMAQI
27th Jul 2025641 PMAQI
27th Jul 2025622 PMAQI
27th Jul 2025633 PMAQI
27th Jul 2025634 PMAQI
27th Jul 2025635 PMAQI
27th Jul 2025636 PMAQI
27th Jul 2025667 PMAQI
27th Jul 2025688 PMAQI
27th Jul 2025729 PMAQI
27th Jul 20256910 PMAQI
27th Jul 20256811 PMAQI
28th Jul 20256712 AMAQI
28th Jul 2025661 AMAQI
28th Jul 2025662 AMAQI
28th Jul 2025663 AMAQI
28th Jul 2025664 AMAQI
31°C28/34°C
28th Jul 2025645 AMAQI
28th Jul 2025596 AMAQI
28th Jul 2025607 AMAQI
28th Jul 2025648 AMAQI
28th Jul 2025649 AMAQI
28th Jul 20256510 AMAQI
28th Jul 20256611 AMAQI
28th Jul 20256612 PMAQI
28th Jul 2025661 PMAQI
28th Jul 2025642 PMAQI
28th Jul 2025623 PMAQI
28th Jul 2025624 PMAQI
28th Jul 2025635 PMAQI
28th Jul 2025646 PMAQI
28th Jul 2025667 PMAQI
28th Jul 2025668 PMAQI
28th Jul 2025699 PMAQI
28th Jul 20256810 PMAQI
28th Jul 20256711 PMAQI
29th Jul 20256512 AMAQI
29th Jul 2025651 AMAQI
29th Jul 2025652 AMAQI
29th Jul 2025653 AMAQI
29th Jul 2025644 AMAQI
31°C27/35°C
29th Jul 2025645 AMAQI
29th Jul 2025626 AMAQI
29th Jul 2025657 AMAQI
29th Jul 2025648 AMAQI
29th Jul 2025669 AMAQI
29th Jul 20256410 AMAQI
29th Jul 20256711 AMAQI
29th Jul 20256612 PMAQI
29th Jul 2025651 PMAQI
29th Jul 2025642 PMAQI
29th Jul 2025653 PMAQI
29th Jul 2025644 PMAQI
29th Jul 2025655 PMAQI
29th Jul 2025636 PMAQI
29th Jul 2025637 PMAQI
29th Jul 2025648 PMAQI
29th Jul 2025679 PMAQI
29th Jul 20256610 PMAQI
29th Jul 20256811 PMAQI
30th Jul 20256612 AMAQI
30th Jul 2025651 AMAQI
30th Jul 2025642 AMAQI
30th Jul 2025653 AMAQI
30th Jul 2025644 AMAQI
32°C28/37°C
30th Jul 2025765 AMAQI
30th Jul 2025596 AMAQI
30th Jul 2025637 AMAQI
30th Jul 2025688 AMAQI
30th Jul 2025629 AMAQI
30th Jul 20256410 AMAQI
30th Jul 20256011 AMAQI
30th Jul 20256212 PMAQI
30th Jul 2025631 PMAQI
30th Jul 2025642 PMAQI
30th Jul 2025633 PMAQI
30th Jul 2025634 PMAQI
30th Jul 2025645 PMAQI
30th Jul 2025646 PMAQI
30th Jul 2025657 PMAQI
30th Jul 2025648 PMAQI
30th Jul 2025669 PMAQI
30th Jul 20256610 PMAQI
30th Jul 20256611 PMAQI
31st Jul 20256412 AMAQI
31st Jul 2025641 AMAQI
31st Jul 2025642 AMAQI
31st Jul 2025643 AMAQI
31st Jul 2025644 AMAQI
31°C28/36°C
31st Jul 2025645 AMAQI
31st Jul 2025646 AMAQI
31st Jul 2025667 AMAQI
31st Jul 2025728 AMAQI
31st Jul 2025689 AMAQI
31st Jul 20257110 AMAQI
31st Jul 20257011 AMAQI
31st Jul 20257112 PMAQI
31st Jul 2025691 PMAQI
31st Jul 2025692 PMAQI
31st Jul 2025713 PMAQI
31st Jul 2025734 PMAQI
31st Jul 2025615 PMAQI
31st Jul 2025626 PMAQI
31st Jul 2025707 PMAQI
31st Jul 2025768 PMAQI
31st Jul 2025749 PMAQI
31st Jul 20257210 PMAQI
31st Jul 20257411 PMAQI
1st Aug 20256812 AMAQI
1st Aug 2025641 AMAQI
1st Aug 2025662 AMAQI
1st Aug 2025653 AMAQI
1st Aug 2025654 AMAQI
31°C29/35°C
1st Aug 2025665 AMAQI
1st Aug 2025656 AMAQI
1st Aug 2025677 AMAQI
1st Aug 2025658 AMAQI
1st Aug 2025689 AMAQI
1st Aug 20257010 AMAQI
1st Aug 20257011 AMAQI
1st Aug 20257212 PMAQI
1st Aug 2025701 PMAQI
1st Aug 2025712 PMAQI
1st Aug 2025753 PMAQI
1st Aug 2025674 PMAQI
1st Aug 2025735 PMAQI
1st Aug 2025696 PMAQI
1st Aug 2025747 PMAQI
1st Aug 2025728 PMAQI
1st Aug 2025749 PMAQI
1st Aug 20257610 PMAQI
1st Aug 20257911 PMAQI
2nd Aug 20257212 AMAQI
2nd Aug 2025681 AMAQI
2nd Aug 2025672 AMAQI
2nd Aug 2025673 AMAQI
2nd Aug 2025684 AMAQI
31°C28/34°C
2nd Aug 2025705 AMAQI
2nd Aug 2025756 AMAQI
2nd Aug 2025737 AMAQI
2nd Aug 2025738 AMAQI
2nd Aug 2025759 AMAQI
2nd Aug 20258110 AMAQI
2nd Aug 20257411 AMAQI
2nd Aug 20258012 PMAQI
2nd Aug 2025821 PMAQI
2nd Aug 2025802 PMAQI
2nd Aug 2025763 PMAQI
2nd Aug 2025764 PMAQI
2nd Aug 2025765 PMAQI
2nd Aug 2025776 PMAQI
2nd Aug 2025747 PMAQI
2nd Aug 2025788 PMAQI
2nd Aug 2025809 PMAQI
2nd Aug 20257710 PMAQI
2nd Aug 20257511 PMAQI
3rd Aug 20257212 AMAQI
3rd Aug 2025731 AMAQI
3rd Aug 2025742 AMAQI
3rd Aug 2025743 AMAQI
3rd Aug 2025724 AMAQI
31°C29/33°C
3rd Aug 2025795 AMAQI
5 AM3rd Aug 2025816 AMAQI
3rd Aug 2025687 AMAQI
3rd Aug 20251108 AMAQI
11 AM
6 PM
11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
8 AM - 6 PM
70AQI
11 hours / Day
330 hours / Month
Avg. Lowest Time
5 AM - 7 AM
67AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 AM to 6 PM (Avg. 70), while the lowest AQI was between 5 AM to 7 AM (Avg. 67).
Night time
Avg. Highest Time
12 AM - 11 PM
69AQI
10 hours / Day
300 hours / Month
Avg. Lowest Time
12 AM - 11 PM
69AQI
10 hours / Day
300 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 69), while the lowest AQI was between 12 AM to 11 PM (Avg. 69).
2025 Days Vs Air Quality
Chennai, Tamil Nadu, India
2025
76%
162
24%
51
0.4%
1
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
0 DaysModerate
162 DaysPoor
51 DaysUnhealthy
1 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 0%
Health Risk Level:
Extreme
In 2025, 0% of 215 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 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.
1st January 2025
114AQI
114AQI
2nd January 2025
132AQI
132AQI
3rd January 2025
137AQI
137AQI
4th January 2025
143AQI
143AQI
5th January 2025
147AQI
147AQI
6th January 2025
151AQI
151AQI
7th January 2025
142AQI
142AQI
8th January 2025
146AQI
146AQI
9th January 2025
141AQI
141AQI
10th January 2025
146AQI
146AQI
11th January 2025
121AQI
121AQI
12th January 2025
119AQI
119AQI
13th January 2025
116AQI
116AQI
14th January 2025
91AQI
91AQI
15th January 2025
87AQI
87AQI
16th January 2025
124AQI
124AQI
17th January 2025
136AQI
136AQI
18th January 2025
126AQI
126AQI
19th January 2025
111AQI
111AQI
20th January 2025
131AQI
131AQI
21st January 2025
130AQI
130AQI
22nd January 2025
136AQI
136AQI
23rd January 2025
111AQI
111AQI
24th January 2025
109AQI
109AQI
25th January 2025
106AQI
106AQI
26th January 2025
103AQI
103AQI
27th January 2025
112AQI
112AQI
28th January 2025
133AQI
133AQI
29th January 2025
131AQI
131AQI
30th January 2025
127AQI
127AQI
31st January 2025
99AQI
99AQI
1st February 2025
91AQI
91AQI
2nd February 2025
86AQI
86AQI
3rd February 2025
84AQI
84AQI
4th February 2025
101AQI
101AQI
5th February 2025
120AQI
120AQI
6th February 2025
129AQI
129AQI
7th February 2025
137AQI
137AQI
8th February 2025
132AQI
132AQI
9th February 2025
136AQI
136AQI
10th February 2025
144AQI
144AQI
11th February 2025
113AQI
113AQI
12th February 2025
120AQI
120AQI
13th February 2025
100AQI
100AQI
14th February 2025
100AQI
100AQI
15th February 2025
101AQI
101AQI
16th February 2025
101AQI
101AQI
17th February 2025
118AQI
118AQI
18th February 2025
121AQI
121AQI
19th February 2025
120AQI
120AQI
20th February 2025
111AQI
111AQI
21st February 2025
99AQI
99AQI
22nd February 2025
101AQI
101AQI
23rd February 2025
96AQI
96AQI
24th February 2025
97AQI
97AQI
25th February 2025
109AQI
109AQI
26th February 2025
114AQI
114AQI
27th February 2025
105AQI
105AQI
28th February 2025
103AQI
103AQI
1st March 2025
84AQI
84AQI
2nd March 2025
77AQI
77AQI
3rd March 2025
80AQI
80AQI
4th March 2025
77AQI
77AQI
5th March 2025
78AQI
78AQI
6th March 2025
99AQI
99AQI
7th March 2025
114AQI
114AQI
8th March 2025
105AQI
105AQI
9th March 2025
93AQI
93AQI
10th March 2025
94AQI
94AQI
11th March 2025
92AQI
92AQI
12th March 2025
87AQI
87AQI
13th March 2025
79AQI
79AQI
14th March 2025
88AQI
88AQI
15th March 2025
66AQI
66AQI
16th March 2025
75AQI
75AQI
17th March 2025
94AQI
94AQI
18th March 2025
83AQI
83AQI
19th March 2025
80AQI
80AQI
20th March 2025
80AQI
80AQI
21st March 2025
81AQI
81AQI
22nd March 2025
79AQI
79AQI
23rd March 2025
74AQI
74AQI
24th March 2025
81AQI
81AQI
25th March 2025
87AQI
87AQI
26th March 2025
94AQI
94AQI
27th March 2025
109AQI
109AQI
28th March 2025
98AQI
98AQI
29th March 2025
107AQI
107AQI
30th March 2025
90AQI
90AQI
31st March 2025
95AQI
95AQI
1st April 2025
100AQI
100AQI
2nd April 2025
86AQI
86AQI
3rd April 2025
72AQI
72AQI
4th April 2025
76AQI
76AQI
5th April 2025
66AQI
66AQI
6th April 2025
66AQI
66AQI
7th April 2025
64AQI
64AQI
8th April 2025
67AQI
67AQI
9th April 2025
64AQI
64AQI
10th April 2025
79AQI
79AQI
11th April 2025
82AQI
82AQI
12th April 2025
90AQI
90AQI
13th April 2025
88AQI
88AQI
14th April 2025
77AQI
77AQI
15th April 2025
70AQI
70AQI
16th April 2025
74AQI
74AQI
17th April 2025
75AQI
75AQI
18th April 2025
72AQI
72AQI
19th April 2025
83AQI
83AQI
20th April 2025
80AQI
80AQI
21st April 2025
81AQI
81AQI
22nd April 2025
79AQI
79AQI
23rd April 2025
74AQI
74AQI
24th April 2025
74AQI
74AQI
25th April 2025
74AQI
74AQI
26th April 2025
72AQI
72AQI
27th April 2025
65AQI
65AQI
28th April 2025
58AQI
58AQI
29th April 2025
60AQI
60AQI
30th April 2025
65AQI
65AQI
1st May 2025
69AQI
69AQI
2nd May 2025
70AQI
70AQI
3rd May 2025
80AQI
80AQI
4th May 2025
77AQI
77AQI
5th May 2025
81AQI
81AQI
6th May 2025
77AQI
77AQI
7th May 2025
80AQI
80AQI
8th May 2025
90AQI
90AQI
9th May 2025
93AQI
93AQI
10th May 2025
92AQI
92AQI
11th May 2025
95AQI
95AQI
12th May 2025
95AQI
95AQI
13th May 2025
98AQI
98AQI
14th May 2025
94AQI
94AQI
15th May 2025
98AQI
98AQI
16th May 2025
93AQI
93AQI
17th May 2025
89AQI
89AQI
18th May 2025
84AQI
84AQI
19th May 2025
76AQI
76AQI
20th May 2025
79AQI
79AQI
21st May 2025
69AQI
69AQI
22nd May 2025
83AQI
83AQI
23rd May 2025
81AQI
81AQI
24th May 2025
71AQI
71AQI
25th May 2025
70AQI
70AQI
26th May 2025
67AQI
67AQI
27th May 2025
74AQI
74AQI
28th May 2025
88AQI
88AQI
29th May 2025
74AQI
74AQI
30th May 2025
81AQI
81AQI
31st May 2025
85AQI
85AQI
1st June 2025
82AQI
82AQI
2nd June 2025
83AQI
83AQI
3rd June 2025
80AQI
80AQI
4th June 2025
79AQI
79AQI
5th June 2025
87AQI
87AQI
6th June 2025
95AQI
95AQI
7th June 2025
95AQI
95AQI
8th June 2025
85AQI
85AQI
9th June 2025
86AQI
86AQI
10th June 2025
86AQI
86AQI
11th June 2025
88AQI
88AQI
12th June 2025
86AQI
86AQI
13th June 2025
81AQI
81AQI
14th June 2025
75AQI
75AQI
15th June 2025
73AQI
73AQI
16th June 2025
71AQI
71AQI
17th June 2025
73AQI
73AQI
18th June 2025
73AQI
73AQI
19th June 2025
73AQI
73AQI
20th June 2025
74AQI
74AQI
21st June 2025
70AQI
70AQI
22nd June 2025
71AQI
71AQI
23rd June 2025
69AQI
69AQI
24th June 2025
70AQI
70AQI
25th June 2025
69AQI
69AQI
26th June 2025
67AQI
67AQI
27th June 2025
66AQI
66AQI
28th June 2025
65AQI
65AQI
29th June 2025
65AQI
65AQI
30th June 2025
65AQI
65AQI
1st July 2025
66AQI
66AQI
2nd July 2025
69AQI
69AQI
3rd July 2025
66AQI
66AQI
4th July 2025
65AQI
65AQI
5th July 2025
65AQI
65AQI
6th July 2025
64AQI
64AQI
7th July 2025
65AQI
65AQI
8th July 2025
67AQI
67AQI
9th July 2025
68AQI
68AQI
10th July 2025
70AQI
70AQI
11th July 2025
73AQI
73AQI
12th July 2025
72AQI
72AQI
13th July 2025
73AQI
73AQI
14th July 2025
71AQI
71AQI
15th July 2025
71AQI
71AQI
16th July 2025
71AQI
71AQI
17th July 2025
70AQI
70AQI
18th July 2025
69AQI
69AQI
19th July 2025
70AQI
70AQI
20th July 2025
69AQI
69AQI
21st July 2025
70AQI
70AQI
22nd July 2025
68AQI
68AQI
23rd July 2025
68AQI
68AQI
24th July 2025
69AQI
69AQI
25th July 2025
70AQI
70AQI
26th July 2025
67AQI
67AQI
27th July 2025
66AQI
66AQI
28th July 2025
65AQI
65AQI
29th July 2025
65AQI
65AQI
30th July 2025
65AQI
65AQI
31st July 2025
68AQI
68AQI
1st August 2025
70AQI
70AQI
2nd August 2025
75AQI
75AQI
124AQI
110AQI
88AQI
74AQI
82AQI
77AQI
68AQI
73AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202589AQI
3
27
1
8
20
27
4
30
31
30
31
2
162
51
1
Highest AQI recorded in
January124AQI
Lowest AQI recorded in
July68AQI
202483AQI
4
23
3
1
7
22
17
14
29
1
15
16
1
29
2
29
5
26
2
28
4
20
6
1
12
18
18
13
29
235
97
4
1
Highest AQI recorded in
January127AQI
Lowest AQI recorded in
May54AQI
202390AQI
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 recorded in
January124AQI
Lowest AQI recorded in
September65AQI
202285AQI
30
1
26
2
25
6
11
19
21
10
26
4
1
30
2
9
1
25
4
2
13
11
4
1
3
10
13
4
1
14
9
7
20
248
61
15
1
Highest AQI recorded in
December110AQI
Lowest AQI recorded in
April55AQI
202181AQI
13
18
13
15
18
10
3
1
29
15
16
22
8
31
31
30
2
25
4
3
27
14
17
21
269
72
3
Highest AQI recorded in
January105AQI
Lowest AQI recorded in
May53AQI
202086AQI
3
24
3
1
28
1
18
13
14
15
1
12
19
7
23
9
22
31
30
25
6
1
19
10
5
3
22
1
48
208
104
5
1
Highest AQI recorded in
January133AQI
Lowest AQI recorded in
May57AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
90AQILeast Polluted Year Recorded
2021(Avg.)
81AQIChennai's annual 2025 AQI (89) shows an average percentage change of 4.9% (worsened AQI) compared to previous years: 2020 (86), 2021 (81), 2022 (85), 2023 (90), 2024 (83).
