Velachery Res. Area, 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
Velachery Res. Area, Chennai, Tamil Nadu, India
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
3rd Aug 2022
128AQILowest AQI recorded on
9th Aug 2024
25AQISame Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 68 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
Velachery Res. Area, Chennai, Tamil Nadu, India
AQI
Day
Night
.
5 AM2nd Aug 2025
6 PM
4 AM3rd Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
10AM2nd Aug
85AQI
Avg. Lowest Time
5AM2nd Aug
69AQI
In the last 24 hours,
Velachery Res. Area's AQI reached its highest point of 85 at 10 AM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Velachery Res. Area, 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 2025635 AMAQI
4th Jul 2025606 AMAQI
4th Jul 2025587 AMAQI
4th Jul 2025608 AMAQI
4th Jul 2025619 AMAQI
4th Jul 20256310 AMAQI
4th Jul 20257011 AMAQI
4th Jul 20256812 PMAQI
4th Jul 2025631 PMAQI
4th Jul 2025662 PMAQI
4th Jul 2025703 PMAQI
4th Jul 2025684 PMAQI
4th Jul 2025645 PMAQI
4th Jul 2025646 PMAQI
4th Jul 2025647 PMAQI
4th Jul 2025668 PMAQI
4th Jul 2025649 PMAQI
4th Jul 20256310 PMAQI
4th Jul 20256311 PMAQI
5th Jul 20256412 AMAQI
5th Jul 2025641 AMAQI
5th Jul 2025642 AMAQI
5th Jul 2025633 AMAQI
5th Jul 2025634 AMAQI
32°C28/36°C
5th Jul 2025645 AMAQI
5th Jul 2025766 AMAQI
5th Jul 2025797 AMAQI
5th Jul 2025718 AMAQI
5th Jul 2025669 AMAQI
5th Jul 20257010 AMAQI
5th Jul 20257411 AMAQI
5th Jul 20256612 PMAQI
5th Jul 2025681 PMAQI
5th Jul 2025662 PMAQI
5th Jul 2025673 PMAQI
5th Jul 2025704 PMAQI
5th Jul 2025665 PMAQI
5th Jul 2025656 PMAQI
5th Jul 2025657 PMAQI
5th Jul 2025658 PMAQI
5th Jul 2025669 PMAQI
5th Jul 20256610 PMAQI
5th Jul 20256411 PMAQI
6th Jul 20256412 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 2025566 AMAQI
6th Jul 2025597 AMAQI
6th Jul 2025608 AMAQI
6th Jul 2025629 AMAQI
6th Jul 20256110 AMAQI
6th Jul 20256111 AMAQI
6th Jul 20256112 PMAQI
6th Jul 2025601 PMAQI
6th Jul 2025592 PMAQI
6th Jul 2025613 PMAQI
6th Jul 2025604 PMAQI
6th Jul 2025615 PMAQI
6th Jul 2025626 PMAQI
6th Jul 2025627 PMAQI
6th Jul 2025638 PMAQI
6th Jul 2025639 PMAQI
6th Jul 20256310 PMAQI
6th Jul 20256211 PMAQI
7th Jul 20256212 AMAQI
7th Jul 2025631 AMAQI
7th Jul 2025642 AMAQI
7th Jul 2025643 AMAQI
7th Jul 2025634 AMAQI
32°C29/37°C
7th Jul 2025615 AMAQI
7th Jul 2025606 AMAQI
7th Jul 2025587 AMAQI
7th Jul 2025608 AMAQI
7th Jul 2025669 AMAQI
7th Jul 20256410 AMAQI
7th Jul 20256911 AMAQI
7th Jul 20256512 PMAQI
7th Jul 2025671 PMAQI
7th Jul 2025712 PMAQI
7th Jul 2025713 PMAQI
7th Jul 2025724 PMAQI
7th Jul 2025655 PMAQI
7th Jul 2025626 PMAQI
7th Jul 2025637 PMAQI
7th Jul 2025638 PMAQI
7th Jul 2025639 PMAQI
7th Jul 20256410 PMAQI
7th Jul 20256411 PMAQI
8th Jul 20256312 AMAQI
8th Jul 2025641 AMAQI
8th Jul 2025632 AMAQI
8th Jul 2025633 AMAQI
8th Jul 2025634 AMAQI
33°C29/37°C
8th Jul 2025685 AMAQI
8th Jul 2025826 AMAQI
8th Jul 2025817 AMAQI
8th Jul 2025808 AMAQI
8th Jul 2025739 AMAQI
8th Jul 20257210 AMAQI
8th Jul 20257411 AMAQI
8th Jul 20257112 PMAQI
8th Jul 2025701 PMAQI
8th Jul 2025722 PMAQI
8th Jul 2025703 PMAQI
8th Jul 2025654 PMAQI
8th Jul 2025675 PMAQI
8th Jul 2025676 PMAQI
8th Jul 2025687 PMAQI
8th Jul 2025678 PMAQI
8th Jul 2025679 PMAQI
8th Jul 20256710 PMAQI
8th Jul 20256611 PMAQI
9th Jul 20256612 AMAQI
9th Jul 2025671 AMAQI
9th Jul 2025692 AMAQI
9th Jul 2025683 AMAQI
9th Jul 2025684 AMAQI
32°C29/37°C
9th Jul 2025695 AMAQI
9th Jul 2025746 AMAQI
9th Jul 2025717 AMAQI
9th Jul 2025798 AMAQI
9th Jul 2025859 AMAQI
9th Jul 20257410 AMAQI
9th Jul 20257311 AMAQI
9th Jul 20257512 PMAQI
9th Jul 2025781 PMAQI
9th Jul 2025762 PMAQI
9th Jul 2025763 PMAQI
9th Jul 2025744 PMAQI
9th Jul 2025685 PMAQI
9th Jul 2025686 PMAQI
9th Jul 2025687 PMAQI
9th Jul 2025688 PMAQI
9th Jul 2025689 PMAQI
9th Jul 20256910 PMAQI
9th Jul 20256811 PMAQI
10th Jul 20256812 AMAQI
10th Jul 2025681 AMAQI
10th Jul 2025682 AMAQI
10th Jul 2025693 AMAQI
10th Jul 2025684 AMAQI
32°C29/37°C
10th Jul 2025695 AMAQI
10th Jul 2025766 AMAQI
10th Jul 2025747 AMAQI
10th Jul 2025788 AMAQI
10th Jul 2025749 AMAQI
10th Jul 20257410 AMAQI
10th Jul 20257311 AMAQI
10th Jul 20257512 PMAQI
10th Jul 2025761 PMAQI
10th Jul 2025742 PMAQI
10th Jul 2025743 PMAQI
10th Jul 2025694 PMAQI
10th Jul 2025715 PMAQI
10th Jul 2025696 PMAQI
10th Jul 2025717 PMAQI
10th Jul 2025718 PMAQI
10th Jul 2025719 PMAQI
10th Jul 20257210 PMAQI
10th Jul 20257111 PMAQI
11th Jul 20257112 AMAQI
11th Jul 2025691 AMAQI
11th Jul 2025692 AMAQI
11th Jul 2025703 AMAQI
11th Jul 2025704 AMAQI
32°C30/35°C
11th Jul 2025715 AMAQI
11th Jul 2025766 AMAQI
11th Jul 2025787 AMAQI
11th Jul 2025818 AMAQI
11th Jul 2025789 AMAQI
11th Jul 20257810 AMAQI
11th Jul 20257611 AMAQI
11th Jul 20257512 PMAQI
11th Jul 2025721 PMAQI
11th Jul 2025742 PMAQI
11th Jul 2025743 PMAQI
11th Jul 2025724 PMAQI
11th Jul 2025745 PMAQI
11th Jul 2025726 PMAQI
11th Jul 2025717 PMAQI
11th Jul 2025728 PMAQI
11th Jul 2025729 PMAQI
11th Jul 20257110 PMAQI
11th Jul 20257111 PMAQI
12th Jul 20257312 AMAQI
12th Jul 2025721 AMAQI
12th Jul 2025722 AMAQI
12th Jul 2025723 AMAQI
12th Jul 2025724 AMAQI
31°C29/35°C
12th Jul 2025705 AMAQI
12th Jul 2025726 AMAQI
12th Jul 2025827 AMAQI
12th Jul 2025798 AMAQI
12th Jul 2025819 AMAQI
12th Jul 20257410 AMAQI
12th Jul 20257811 AMAQI
12th Jul 20257212 PMAQI
12th Jul 2025741 PMAQI
12th Jul 2025722 PMAQI
12th Jul 2025713 PMAQI
12th Jul 2025684 PMAQI
12th Jul 2025715 PMAQI
12th Jul 2025726 PMAQI
12th Jul 2025727 PMAQI
12th Jul 2025748 PMAQI
12th Jul 2025729 PMAQI
12th Jul 20257310 PMAQI
12th Jul 20257211 PMAQI
13th Jul 20257212 AMAQI
13th Jul 2025721 AMAQI
13th Jul 2025722 AMAQI
13th Jul 2025723 AMAQI
13th Jul 2025724 AMAQI
32°C30/36°C
13th Jul 2025725 AMAQI
13th Jul 2025766 AMAQI
13th Jul 2025777 AMAQI
13th Jul 2025778 AMAQI
13th Jul 2025819 AMAQI
13th Jul 20257610 AMAQI
13th Jul 20257811 AMAQI
13th Jul 20257712 PMAQI
13th Jul 2025741 PMAQI
13th Jul 2025742 PMAQI
13th Jul 2025713 PMAQI
13th Jul 2025724 PMAQI
13th Jul 2025735 PMAQI
13th Jul 2025726 PMAQI
13th Jul 2025747 PMAQI
13th Jul 2025728 PMAQI
13th Jul 2025749 PMAQI
13th Jul 20257210 PMAQI
13th Jul 20257311 PMAQI
14th Jul 20257312 AMAQI
14th Jul 2025721 AMAQI
14th Jul 2025732 AMAQI
14th Jul 2025743 AMAQI
14th Jul 2025724 AMAQI
32°C30/35°C
14th Jul 2025715 AMAQI
14th Jul 2025656 AMAQI
14th Jul 2025687 AMAQI
14th Jul 2025708 AMAQI
14th Jul 2025739 AMAQI
14th Jul 20257610 AMAQI
14th Jul 20257311 AMAQI
14th Jul 20257112 PMAQI
14th Jul 2025711 PMAQI
14th Jul 2025702 PMAQI
14th Jul 2025703 PMAQI
14th Jul 2025704 PMAQI
14th Jul 2025715 PMAQI
14th Jul 2025716 PMAQI
14th Jul 2025727 PMAQI
14th Jul 2025718 PMAQI
14th Jul 2025739 PMAQI
14th Jul 20257410 PMAQI
14th Jul 20257311 PMAQI
15th Jul 20257212 AMAQI
15th Jul 2025711 AMAQI
15th Jul 2025702 AMAQI
15th Jul 2025703 AMAQI
15th Jul 2025704 AMAQI
32°C30/36°C
15th Jul 2025695 AMAQI
15th Jul 2025766 AMAQI
15th Jul 2025987 AMAQI
15th Jul 2025988 AMAQI
15th Jul 20251029 AMAQI
15th Jul 20257610 AMAQI
15th Jul 20257411 AMAQI
15th Jul 20257712 PMAQI
15th Jul 2025821 PMAQI
15th Jul 2025802 PMAQI
15th Jul 2025723 PMAQI
15th Jul 2025734 PMAQI
15th Jul 2025735 PMAQI
15th Jul 2025706 PMAQI
15th Jul 2025717 PMAQI
15th Jul 2025728 PMAQI
15th Jul 2025729 PMAQI
15th Jul 20257510 PMAQI
15th Jul 20257211 PMAQI
16th Jul 20257212 AMAQI
16th Jul 2025721 AMAQI
16th Jul 2025722 AMAQI
16th Jul 2025733 AMAQI
16th Jul 2025724 AMAQI
32°C30/37°C
16th Jul 2025705 AMAQI
16th Jul 2025686 AMAQI
16th Jul 2025777 AMAQI
16th Jul 2025788 AMAQI
16th Jul 2025729 AMAQI
16th Jul 20257710 AMAQI
16th Jul 20257711 AMAQI
16th Jul 20257812 PMAQI
16th Jul 2025741 PMAQI
16th Jul 2025722 PMAQI
16th Jul 2025703 PMAQI
16th Jul 2025694 PMAQI
16th Jul 2025695 PMAQI
16th Jul 2025706 PMAQI
16th Jul 2025707 PMAQI
16th Jul 2025718 PMAQI
16th Jul 2025729 PMAQI
16th Jul 20257210 PMAQI
16th Jul 20257411 PMAQI
17th Jul 20257112 AMAQI
17th Jul 2025711 AMAQI
17th Jul 2025712 AMAQI
17th Jul 2025723 AMAQI
17th Jul 2025714 AMAQI
31°C30/35°C
17th Jul 2025715 AMAQI
17th Jul 2025786 AMAQI
17th Jul 2025737 AMAQI
17th Jul 2025608 AMAQI
17th Jul 2025709 AMAQI
17th Jul 20257210 AMAQI
17th Jul 20257311 AMAQI
17th Jul 20257212 PMAQI
17th Jul 2025731 PMAQI
17th Jul 2025752 PMAQI
17th Jul 2025733 PMAQI
17th Jul 2025724 PMAQI
17th Jul 2025715 PMAQI
17th Jul 2025716 PMAQI
17th Jul 2025737 PMAQI
17th Jul 2025728 PMAQI
17th Jul 2025729 PMAQI
17th Jul 20257210 PMAQI
17th Jul 20257211 PMAQI
18th Jul 20257112 AMAQI
18th Jul 2025711 AMAQI
18th Jul 2025712 AMAQI
18th Jul 2025713 AMAQI
18th Jul 2025714 AMAQI
31°C28/35°C
18th Jul 2025705 AMAQI
18th Jul 2025646 AMAQI
18th Jul 2025707 AMAQI
18th Jul 2025728 AMAQI
18th Jul 2025749 AMAQI
18th Jul 20257710 AMAQI
18th Jul 20257711 AMAQI
18th Jul 20257812 PMAQI
18th Jul 2025731 PMAQI
18th Jul 2025742 PMAQI
18th Jul 2025743 PMAQI
18th Jul 2025724 PMAQI
18th Jul 2025705 PMAQI
18th Jul 2025706 PMAQI
18th Jul 2025727 PMAQI
18th Jul 2025728 PMAQI
18th Jul 2025729 PMAQI
18th Jul 20257210 PMAQI
18th Jul 20257311 PMAQI
19th Jul 20257212 AMAQI
19th Jul 2025691 AMAQI
19th Jul 2025692 AMAQI
19th Jul 2025703 AMAQI
19th Jul 2025704 AMAQI
30°C27/33°C
19th Jul 2025705 AMAQI
19th Jul 2025696 AMAQI
19th Jul 2025767 AMAQI
19th Jul 2025968 AMAQI
19th Jul 2025849 AMAQI
19th Jul 20258210 AMAQI
19th Jul 20257511 AMAQI
19th Jul 20257712 PMAQI
19th Jul 2025771 PMAQI
19th Jul 2025752 PMAQI
19th Jul 2025713 PMAQI
19th Jul 2025674 PMAQI
19th Jul 2025695 PMAQI
19th Jul 2025716 PMAQI
19th Jul 2025747 PMAQI
19th Jul 2025778 PMAQI
19th Jul 2025759 PMAQI
19th Jul 20257610 PMAQI
19th Jul 20257411 PMAQI
20th Jul 20257112 AMAQI
20th Jul 2025711 AMAQI
20th Jul 2025722 AMAQI
20th Jul 2025713 AMAQI
20th Jul 2025724 AMAQI
29°C26/33°C
20th Jul 2025725 AMAQI
20th Jul 2025706 AMAQI
20th Jul 2025787 AMAQI
20th Jul 2025808 AMAQI
20th Jul 2025799 AMAQI
20th Jul 20258110 AMAQI
20th Jul 20257911 AMAQI
20th Jul 20258612 PMAQI
20th Jul 2025701 PMAQI
20th Jul 2025672 PMAQI
20th Jul 2025673 PMAQI
20th Jul 2025684 PMAQI
20th Jul 2025685 PMAQI
20th Jul 2025706 PMAQI
20th Jul 2025727 PMAQI
20th Jul 2025728 PMAQI
20th Jul 2025759 PMAQI
20th Jul 20257410 PMAQI
20th Jul 20257211 PMAQI
21st Jul 20257212 AMAQI
21st Jul 2025721 AMAQI
21st Jul 2025722 AMAQI
21st Jul 2025723 AMAQI
21st Jul 2025714 AMAQI
27°C25/32°C
21st Jul 2025705 AMAQI
21st Jul 2025656 AMAQI
21st Jul 2025737 AMAQI
21st Jul 2025818 AMAQI
21st Jul 2025799 AMAQI
21st Jul 20257510 AMAQI
21st Jul 20257911 AMAQI
21st Jul 20257312 PMAQI
21st Jul 2025751 PMAQI
21st Jul 2025772 PMAQI
21st Jul 2025773 PMAQI
21st Jul 2025784 PMAQI
21st Jul 2025725 PMAQI
21st Jul 2025756 PMAQI
21st Jul 2025807 PMAQI
21st Jul 2025828 PMAQI
21st Jul 2025819 PMAQI
21st Jul 20257910 PMAQI
21st Jul 20257511 PMAQI
22nd Jul 20257112 AMAQI
22nd Jul 2025701 AMAQI
22nd Jul 2025702 AMAQI
22nd Jul 2025713 AMAQI
22nd Jul 2025714 AMAQI
28°C26/31°C
22nd Jul 2025705 AMAQI
22nd Jul 2025686 AMAQI
22nd Jul 2025747 AMAQI
22nd Jul 2025798 AMAQI
22nd Jul 2025829 AMAQI
22nd Jul 20258110 AMAQI
22nd Jul 20257911 AMAQI
22nd Jul 20257612 PMAQI
22nd Jul 2025801 PMAQI
22nd Jul 2025742 PMAQI
22nd Jul 2025743 PMAQI
22nd Jul 2025774 PMAQI
22nd Jul 2025705 PMAQI
22nd Jul 2025716 PMAQI
22nd Jul 2025807 PMAQI
22nd Jul 2025808 PMAQI
22nd Jul 2025769 PMAQI
22nd Jul 20257310 PMAQI
22nd Jul 20257411 PMAQI
23rd Jul 20257012 AMAQI
23rd Jul 2025701 AMAQI
23rd Jul 2025702 AMAQI
23rd Jul 2025693 AMAQI
23rd Jul 2025704 AMAQI
29°C27/32°C
23rd Jul 2025685 AMAQI
23rd Jul 2025636 AMAQI
23rd Jul 2025697 AMAQI
23rd Jul 2025788 AMAQI
23rd Jul 2025809 AMAQI
23rd Jul 20257010 AMAQI
23rd Jul 20256811 AMAQI
23rd Jul 20256812 PMAQI
23rd Jul 2025661 PMAQI
23rd Jul 2025682 PMAQI
23rd Jul 2025723 PMAQI
23rd Jul 2025764 PMAQI
23rd Jul 2025715 PMAQI
23rd Jul 2025746 PMAQI
23rd Jul 2025837 PMAQI
23rd Jul 2025808 PMAQI
23rd Jul 2025769 PMAQI
23rd Jul 20257810 PMAQI
23rd Jul 20257911 PMAQI
24th Jul 20257512 AMAQI
24th Jul 2025681 AMAQI
24th Jul 2025682 AMAQI
24th Jul 2025683 AMAQI
24th Jul 2025684 AMAQI
29°C28/32°C
24th Jul 2025665 AMAQI
24th Jul 2025656 AMAQI
24th Jul 2025697 AMAQI
24th Jul 2025718 AMAQI
24th Jul 2025789 AMAQI
24th Jul 20257510 AMAQI
24th Jul 20258011 AMAQI
24th Jul 20257812 PMAQI
24th Jul 2025791 PMAQI
24th Jul 2025752 PMAQI
24th Jul 2025743 PMAQI
24th Jul 2025744 PMAQI
24th Jul 2025705 PMAQI
24th Jul 2025686 PMAQI
24th Jul 2025697 PMAQI
24th Jul 2025738 PMAQI
24th Jul 2025769 PMAQI
24th Jul 20257010 PMAQI
24th Jul 20257211 PMAQI
25th Jul 20256812 AMAQI
25th Jul 2025691 AMAQI
25th Jul 2025702 AMAQI
25th Jul 2025703 AMAQI
25th Jul 2025704 AMAQI
29°C26/31°C
25th Jul 2025695 AMAQI
25th Jul 2025666 AMAQI
25th Jul 2025727 AMAQI
25th Jul 2025768 AMAQI
25th Jul 2025789 AMAQI
25th Jul 20257810 AMAQI
25th Jul 20257611 AMAQI
25th Jul 20257612 PMAQI
25th Jul 2025781 PMAQI
25th Jul 2025762 PMAQI
25th Jul 2025783 PMAQI
25th Jul 2025764 PMAQI
25th Jul 2025725 PMAQI
25th Jul 2025746 PMAQI
25th Jul 2025747 PMAQI
25th Jul 2025788 PMAQI
25th Jul 2025809 PMAQI
25th Jul 20257610 PMAQI
25th Jul 20257511 PMAQI
26th Jul 20257512 AMAQI
26th Jul 2025711 AMAQI
26th Jul 2025702 AMAQI
26th Jul 2025703 AMAQI
26th Jul 2025714 AMAQI
30°C28/31°C
26th Jul 2025705 AMAQI
26th Jul 2025686 AMAQI
26th Jul 2025707 AMAQI
26th Jul 2025768 AMAQI
26th Jul 2025749 AMAQI
26th Jul 20258010 AMAQI
26th Jul 20257611 AMAQI
26th Jul 20257612 PMAQI
26th Jul 2025701 PMAQI
26th Jul 2025712 PMAQI
26th Jul 2025683 PMAQI
26th Jul 2025694 PMAQI
26th Jul 2025705 PMAQI
26th Jul 2025696 PMAQI
26th Jul 2025767 PMAQI
26th Jul 2025758 PMAQI
26th Jul 2025749 PMAQI
26th Jul 20257410 PMAQI
26th Jul 20257311 PMAQI
27th Jul 20257112 AMAQI
27th Jul 2025701 AMAQI
27th Jul 2025702 AMAQI
27th Jul 2025713 AMAQI
27th Jul 2025714 AMAQI
30°C28/31°C
27th Jul 2025705 AMAQI
27th Jul 2025656 AMAQI
27th Jul 2025747 AMAQI
27th Jul 2025798 AMAQI
27th Jul 2025759 AMAQI
27th Jul 20257310 AMAQI
27th Jul 20257311 AMAQI
27th Jul 20257212 PMAQI
27th Jul 2025691 PMAQI
27th Jul 2025692 PMAQI
27th Jul 2025663 PMAQI
27th Jul 2025664 PMAQI
27th Jul 2025645 PMAQI
27th Jul 2025676 PMAQI
27th Jul 2025727 PMAQI
27th Jul 2025738 PMAQI
27th Jul 2025809 PMAQI
27th Jul 20257410 PMAQI
27th Jul 20257411 PMAQI
28th Jul 20257012 AMAQI
28th Jul 2025681 AMAQI
28th Jul 2025672 AMAQI
28th Jul 2025693 AMAQI
28th Jul 2025694 AMAQI
31°C28/34°C
28th Jul 2025675 AMAQI
28th Jul 2025636 AMAQI
28th Jul 2025667 AMAQI
28th Jul 2025718 AMAQI
28th Jul 2025719 AMAQI
28th Jul 20256610 AMAQI
28th Jul 20256811 AMAQI
28th Jul 20257412 PMAQI
28th Jul 2025701 PMAQI
28th Jul 2025722 PMAQI
28th Jul 2025713 PMAQI
28th Jul 2025694 PMAQI
28th Jul 2025665 PMAQI
28th Jul 2025686 PMAQI
28th Jul 2025737 PMAQI
28th Jul 2025708 PMAQI
28th Jul 2025739 PMAQI
28th Jul 20257310 PMAQI
28th Jul 20257211 PMAQI
29th Jul 20256812 AMAQI
29th Jul 2025671 AMAQI
29th Jul 2025672 AMAQI
29th Jul 2025663 AMAQI
29th Jul 2025664 AMAQI
31°C27/35°C
29th Jul 2025675 AMAQI
29th Jul 2025666 AMAQI
29th Jul 2025717 AMAQI
29th Jul 2025708 AMAQI
29th Jul 2025679 AMAQI
29th Jul 20256810 AMAQI
29th Jul 20257311 AMAQI
29th Jul 20257212 PMAQI
29th Jul 2025641 PMAQI
29th Jul 2025682 PMAQI
29th Jul 2025683 PMAQI
29th Jul 2025694 PMAQI
29th Jul 2025705 PMAQI
29th Jul 2025666 PMAQI
29th Jul 2025647 PMAQI
29th Jul 2025678 PMAQI
29th Jul 2025729 PMAQI
29th Jul 20257010 PMAQI
29th Jul 20257011 PMAQI
30th Jul 20256812 AMAQI
30th Jul 2025671 AMAQI
30th Jul 2025682 AMAQI
30th Jul 2025663 AMAQI
30th Jul 2025664 AMAQI
32°C28/37°C
30th Jul 2025715 AMAQI
30th Jul 2025646 AMAQI
30th Jul 2025687 AMAQI
30th Jul 2025718 AMAQI
30th Jul 2025659 AMAQI
30th Jul 20256810 AMAQI
30th Jul 20256511 AMAQI
30th Jul 20256512 PMAQI
30th Jul 2025661 PMAQI
30th Jul 2025682 PMAQI
30th Jul 2025723 PMAQI
30th Jul 2025694 PMAQI
30th Jul 2025685 PMAQI
30th Jul 2025666 PMAQI
30th Jul 2025677 PMAQI
30th Jul 2025668 PMAQI
30th Jul 2025689 PMAQI
30th Jul 20256710 PMAQI
30th Jul 20256611 PMAQI
31st Jul 20256412 AMAQI
31st Jul 2025631 AMAQI
31st Jul 2025632 AMAQI
31st Jul 2025633 AMAQI
31st Jul 2025634 AMAQI
31°C28/36°C
31st Jul 2025635 AMAQI
31st Jul 2025636 AMAQI
31st Jul 2025627 AMAQI
31st Jul 2025648 AMAQI
31st Jul 2025639 AMAQI
31st Jul 20257210 AMAQI
31st Jul 20257211 AMAQI
31st Jul 20257612 PMAQI
31st Jul 2025741 PMAQI
31st Jul 2025832 PMAQI
31st Jul 2025803 PMAQI
31st Jul 2025764 PMAQI
31st Jul 2025635 PMAQI
31st Jul 2025626 PMAQI
31st Jul 2025707 PMAQI
31st Jul 2025738 PMAQI
31st Jul 2025739 PMAQI
31st Jul 20257210 PMAQI
31st Jul 20257011 PMAQI
1st Aug 20256612 AMAQI
1st Aug 2025621 AMAQI
1st Aug 2025652 AMAQI
1st Aug 2025623 AMAQI
1st Aug 2025644 AMAQI
31°C29/35°C
1st Aug 2025635 AMAQI
1st Aug 2025696 AMAQI
1st Aug 2025647 AMAQI
1st Aug 2025638 AMAQI
1st Aug 2025629 AMAQI
1st Aug 20256810 AMAQI
1st Aug 20256611 AMAQI
1st Aug 20257512 PMAQI
1st Aug 2025741 PMAQI
1st Aug 2025722 PMAQI
1st Aug 2025803 PMAQI
1st Aug 2025674 PMAQI
1st Aug 2025705 PMAQI
1st Aug 2025686 PMAQI
1st Aug 2025737 PMAQI
1st Aug 2025738 PMAQI
1st Aug 2025749 PMAQI
1st Aug 20257510 PMAQI
1st Aug 20257611 PMAQI
2nd Aug 20256812 AMAQI
2nd Aug 2025671 AMAQI
2nd Aug 2025652 AMAQI
2nd Aug 2025663 AMAQI
2nd Aug 2025664 AMAQI
31°C28/34°C
2nd Aug 2025695 AMAQI
2nd Aug 2025766 AMAQI
2nd Aug 2025767 AMAQI
2nd Aug 2025738 AMAQI
2nd Aug 2025749 AMAQI
2nd Aug 20258510 AMAQI
2nd Aug 20257811 AMAQI
2nd Aug 20258012 PMAQI
2nd Aug 2025821 PMAQI
2nd Aug 2025802 PMAQI
2nd Aug 2025773 PMAQI
2nd Aug 2025734 PMAQI
2nd Aug 2025745 PMAQI
2nd Aug 2025776 PMAQI
2nd Aug 2025747 PMAQI
2nd Aug 2025768 PMAQI
2nd Aug 2025789 PMAQI
2nd Aug 20257610 PMAQI
2nd Aug 20257711 PMAQI
3rd Aug 20257012 AMAQI
3rd Aug 2025701 AMAQI
3rd Aug 2025732 AMAQI
3rd Aug 2025723 AMAQI
--°C/°C
5 AM
11 AM
6 PM
11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 6 PM
72AQI
14 hours / Day
420 hours / Month
Avg. Lowest Time
5 AM - 6 PM
72AQI
14 hours / Day
420 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 6 PM (Avg. 72), while the lowest AQI was between 5 AM to 6 PM (Avg. 72).
Night time
Avg. Highest Time
12 AM - 11 PM
70AQI
10 hours / Day
300 hours / Month
Avg. Lowest Time
12 AM - 11 PM
70AQI
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. 70), while the lowest AQI was between 12 AM to 11 PM (Avg. 70).
2025 Days Vs Air Quality
Velachery Res. Area, Chennai, Tamil Nadu, India
2025
71%
151
28%
60
0.9%
2
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Good
0 DaysModerate
151 DaysPoor
60 DaysUnhealthy
2 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 0%
Health Risk Level:
Extreme
In 2025, 0% of 214 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
Velachery Res. Area, 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
110AQI
110AQI
2nd January 2025
145AQI
145AQI
3rd January 2025
140AQI
140AQI
4th January 2025
149AQI
149AQI
5th January 2025
149AQI
149AQI
6th January 2025
157AQI
157AQI
7th January 2025
143AQI
143AQI
8th January 2025
149AQI
149AQI
9th January 2025
146AQI
146AQI
10th January 2025
146AQI
146AQI
11th January 2025
115AQI
115AQI
12th January 2025
124AQI
124AQI
13th January 2025
116AQI
116AQI
14th January 2025
90AQI
90AQI
15th January 2025
90AQI
90AQI
16th January 2025
125AQI
125AQI
17th January 2025
138AQI
138AQI
18th January 2025
132AQI
132AQI
19th January 2025
110AQI
110AQI
20th January 2025
137AQI
137AQI
21st January 2025
134AQI
134AQI
22nd January 2025
140AQI
140AQI
23rd January 2025
116AQI
116AQI
24th January 2025
106AQI
106AQI
25th January 2025
108AQI
108AQI
26th January 2025
108AQI
108AQI
27th January 2025
116AQI
116AQI
28th January 2025
136AQI
136AQI
29th January 2025
135AQI
135AQI
30th January 2025
134AQI
134AQI
31st January 2025
106AQI
106AQI
1st February 2025
100AQI
100AQI
2nd February 2025
92AQI
92AQI
3rd February 2025
90AQI
90AQI
4th February 2025
108AQI
108AQI
5th February 2025
128AQI
128AQI
6th February 2025
129AQI
129AQI
7th February 2025
139AQI
139AQI
8th February 2025
132AQI
132AQI
9th February 2025
137AQI
137AQI
10th February 2025
151AQI
151AQI
11th February 2025
119AQI
119AQI
12th February 2025
122AQI
122AQI
13th February 2025
104AQI
104AQI
14th February 2025
101AQI
101AQI
15th February 2025
96AQI
96AQI
16th February 2025
103AQI
103AQI
17th February 2025
124AQI
124AQI
18th February 2025
127AQI
127AQI
19th February 2025
124AQI
124AQI
20th February 2025
112AQI
112AQI
21st February 2025
108AQI
108AQI
22nd February 2025
111AQI
111AQI
23rd February 2025
102AQI
102AQI
24th February 2025
104AQI
104AQI
25th February 2025
102AQI
102AQI
26th February 2025
121AQI
121AQI
27th February 2025
104AQI
104AQI
28th February 2025
100AQI
100AQI
1st March 2025
85AQI
85AQI
2nd March 2025
81AQI
81AQI
3rd March 2025
82AQI
82AQI
4th March 2025
81AQI
81AQI
5th March 2025
82AQI
82AQI
6th March 2025
98AQI
98AQI
7th March 2025
119AQI
119AQI
8th March 2025
108AQI
108AQI
9th March 2025
91AQI
91AQI
10th March 2025
90AQI
90AQI
11th March 2025
98AQI
98AQI
12th March 2025
93AQI
93AQI
13th March 2025
85AQI
85AQI
14th March 2025
94AQI
94AQI
15th March 2025
72AQI
72AQI
16th March 2025
79AQI
79AQI
17th March 2025
107AQI
107AQI
18th March 2025
96AQI
96AQI
19th March 2025
89AQI
89AQI
20th March 2025
90AQI
90AQI
21st March 2025
97AQI
97AQI
22nd March 2025
89AQI
89AQI
23rd March 2025
79AQI
79AQI
24th March 2025
85AQI
85AQI
25th March 2025
86AQI
86AQI
26th March 2025
95AQI
95AQI
27th March 2025
111AQI
111AQI
28th March 2025
95AQI
95AQI
29th March 2025
110AQI
110AQI
30th March 2025
88AQI
88AQI
31st March 2025
94AQI
94AQI
1st April 2025
102AQI
102AQI
2nd April 2025
87AQI
87AQI
3rd April 2025
74AQI
74AQI
4th April 2025
78AQI
78AQI
5th April 2025
68AQI
68AQI
6th April 2025
67AQI
67AQI
7th April 2025
67AQI
67AQI
8th April 2025
67AQI
67AQI
9th April 2025
64AQI
64AQI
10th April 2025
80AQI
80AQI
11th April 2025
87AQI
87AQI
12th April 2025
93AQI
93AQI
13th April 2025
86AQI
86AQI
14th April 2025
77AQI
77AQI
15th April 2025
70AQI
70AQI
16th April 2025
74AQI
74AQI
17th April 2025
74AQI
74AQI
18th April 2025
71AQI
71AQI
19th April 2025
80AQI
80AQI
20th April 2025
78AQI
78AQI
21st April 2025
77AQI
77AQI
22nd April 2025
79AQI
79AQI
23rd April 2025
77AQI
77AQI
24th April 2025
72AQI
72AQI
25th April 2025
75AQI
75AQI
26th April 2025
74AQI
74AQI
27th April 2025
70AQI
70AQI
28th April 2025
62AQI
62AQI
29th April 2025
62AQI
62AQI
30th April 2025
66AQI
66AQI
1st May 2025
69AQI
69AQI
2nd May 2025
73AQI
73AQI
3rd May 2025
85AQI
85AQI
4th May 2025
79AQI
79AQI
5th May 2025
83AQI
83AQI
6th May 2025
79AQI
79AQI
7th May 2025
82AQI
82AQI
8th May 2025
90AQI
90AQI
9th May 2025
93AQI
93AQI
10th May 2025
95AQI
95AQI
11th May 2025
94AQI
94AQI
12th May 2025
92AQI
92AQI
13th May 2025
101AQI
101AQI
14th May 2025
97AQI
97AQI
15th May 2025
101AQI
101AQI
16th May 2025
98AQI
98AQI
17th May 2025
91AQI
91AQI
18th May 2025
84AQI
84AQI
19th May 2025
82AQI
82AQI
20th May 2025
84AQI
84AQI
21st May 2025
71AQI
71AQI
22nd May 2025
81AQI
81AQI
23rd May 2025
83AQI
83AQI
24th May 2025
74AQI
74AQI
25th May 2025
70AQI
70AQI
26th May 2025
64AQI
64AQI
27th May 2025
71AQI
71AQI
28th May 2025
89AQI
89AQI
29th May 2025
74AQI
74AQI
30th May 2025
81AQI
81AQI
31st May 2025
85AQI
85AQI
1st June 2025
81AQI
81AQI
2nd June 2025
88AQI
88AQI
3rd June 2025
84AQI
84AQI
4th June 2025
95AQI
95AQI
5th June 2025
97AQI
97AQI
6th June 2025
104AQI
104AQI
7th June 2025
101AQI
101AQI
8th June 2025
90AQI
90AQI
9th June 2025
92AQI
92AQI
10th June 2025
92AQI
92AQI
11th June 2025
94AQI
94AQI
12th June 2025
91AQI
91AQI
13th June 2025
85AQI
85AQI
14th June 2025
81AQI
81AQI
15th June 2025
77AQI
77AQI
16th June 2025
76AQI
76AQI
17th June 2025
78AQI
78AQI
18th June 2025
80AQI
80AQI
19th June 2025
79AQI
79AQI
20th June 2025
77AQI
77AQI
21st June 2025
72AQI
72AQI
22nd June 2025
73AQI
73AQI
23rd June 2025
70AQI
70AQI
24th June 2025
71AQI
71AQI
25th June 2025
69AQI
69AQI
26th June 2025
65AQI
65AQI
27th June 2025
65AQI
65AQI
28th June 2025
64AQI
64AQI
29th June 2025
64AQI
64AQI
30th June 2025
64AQI
64AQI
1st July 2025
67AQI
67AQI
2nd July 2025
70AQI
70AQI
3rd July 2025
64AQI
64AQI
4th July 2025
64AQI
64AQI
5th July 2025
66AQI
66AQI
6th July 2025
62AQI
62AQI
7th July 2025
64AQI
64AQI
8th July 2025
68AQI
68AQI
9th July 2025
70AQI
70AQI
10th July 2025
71AQI
71AQI
11th July 2025
73AQI
73AQI
12th July 2025
73AQI
73AQI
13th July 2025
74AQI
74AQI
14th July 2025
72AQI
72AQI
15th July 2025
75AQI
75AQI
16th July 2025
72AQI
72AQI
17th July 2025
72AQI
72AQI
18th July 2025
72AQI
72AQI
19th July 2025
74AQI
74AQI
20th July 2025
73AQI
73AQI
21st July 2025
75AQI
75AQI
22nd July 2025
74AQI
74AQI
23rd July 2025
72AQI
72AQI
24th July 2025
72AQI
72AQI
25th July 2025
74AQI
74AQI
26th July 2025
72AQI
72AQI
27th July 2025
71AQI
71AQI
28th July 2025
69AQI
69AQI
29th July 2025
68AQI
68AQI
30th July 2025
67AQI
67AQI
31st July 2025
68AQI
68AQI
1st August 2025
68AQI
68AQI
127AQI
114AQI
92AQI
75AQI
84AQI
81AQI
70AQI
68AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202592AQI
2
28
1
5
22
1
26
5
29
1
29
2
28
2
31
1
151
60
2
Highest AQI recorded in
January127AQI
Lowest AQI recorded in
August68AQI
202487AQI
8
21
2
7
22
10
21
1
29
14
16
1
25
5
31
8
20
3
2
9
19
23
6
2
13
17
25
6
25
216
121
4
Highest AQI recorded in
January115AQI
Lowest AQI recorded in
May54AQI
202391AQI
15
16
23
5
2
23
4
1
1
2
21
4
1
25
4
27
3
27
21
8
21
2
18
4
20
8
13
12
4
4
254
70
5
1
1
Highest AQI recorded in
December114AQI
Lowest AQI recorded in
July78AQI
202284AQI
31
27
1
30
13
4
5
16
12
18
27
4
9
3
20
5
1
12
7
4
1
4
19
6
1
16
10
2
5
221
74
7
1
Highest AQI recorded in
May113AQI
Lowest AQI recorded in
March56AQI
202173AQI
2
14
13
2
2
19
7
4
19
6
1
1
26
4
11
20
18
10
2
31
1
30
30
31
2
26
2
3
17
3
8
51
259
41
13
1
Highest AQI recorded in
January100AQI
Lowest AQI recorded in
April39AQI
202073AQI
12
1
26
3
1
20
11
10
20
10
20
1
30
1
30
1
28
2
1
21
8
3
14
13
1
71
189
27
1
Highest AQI recorded in
December99AQI
Lowest AQI recorded in
April38AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
92AQILeast Polluted Year Recorded
2020(Avg.)
73AQIVelachery Res. Area's annual 2025 AQI (92) shows an average percentage change of 13.3% (worsened AQI) compared to previous years: 2020 (73), 2021 (73), 2022 (84), 2023 (91), 2024 (87).
