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Sridevi Colony, 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+

October Air Quality Analysis

Sridevi Colony, Chennai, Tamil Nadu, India

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
24th Oct 2022
216AQI
Lowest AQI recorded on
17th Oct 2022
30AQI


Same Day Analysis (19th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 197 of Unhealthy air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 19th Oct - 20th Oct 2025

Sridevi Colony, Chennai, Tamil Nadu, India

AQI
Day
Night
.

5 AM19th Oct 2025

5 PM

4 AM20th Oct 2025

Day time
Avg. Highest Time
12AMNaNth undefined

AQI

Avg. Lowest Time
12AMNaNth undefined

AQI

Night time
Avg. Highest Time
7PM19th Oct

289AQI

Avg. Lowest Time
2PM19th Oct

73AQI

In the last 24 hours,

Sridevi Colony's AQI reached its highest point of 289 at 7 PM during the Night, while the lowest point, 73, was recorded at 2 PM during the Night between 19th Oct and 20th Oct 2025.

Day & Night AQI Trend : Sep - Oct 2025

Sridevi Colony, Chennai, Tamil Nadu, India

SepOct
20th - 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 - 18th18th - 19th19th - 20th20th
Day
Night
20th Sep 2025665 AMAQI
20th Sep 2025706 AMAQI
20th Sep 2025687 AMAQI
20th Sep 2025748 AMAQI
20th Sep 2025699 AMAQI
20th Sep 20257610 AMAQI
20th Sep 20257911 AMAQI
20th Sep 20259412 PMAQI
20th Sep 2025821 PMAQI
20th Sep 2025772 PMAQI
20th Sep 2025743 PMAQI
20th Sep 2025724 PMAQI
20th Sep 2025715 PMAQI
20th Sep 2025706 PMAQI
20th Sep 2025707 PMAQI
20th Sep 2025738 PMAQI
20th Sep 2025729 PMAQI
20th Sep 20257310 PMAQI
20th Sep 20257211 PMAQI
21st Sep 20257012 AMAQI
21st Sep 2025701 AMAQI
21st Sep 2025702 AMAQI
21st Sep 2025693 AMAQI
21st Sep 2025704 AMAQI

27°C25/29°C

21st Sep 2025715 AMAQI
21st Sep 2025716 AMAQI
21st Sep 2025727 AMAQI
21st Sep 2025888 AMAQI
21st Sep 2025859 AMAQI
21st Sep 20258310 AMAQI
21st Sep 20258111 AMAQI
21st Sep 20257812 PMAQI
21st Sep 2025751 PMAQI
21st Sep 2025782 PMAQI
21st Sep 2025683 PMAQI
21st Sep 2025684 PMAQI
21st Sep 2025675 PMAQI
21st Sep 2025706 PMAQI
21st Sep 2025727 PMAQI
21st Sep 2025788 PMAQI
21st Sep 2025839 PMAQI
21st Sep 20257910 PMAQI
21st Sep 20258511 PMAQI
22nd Sep 20257912 AMAQI
22nd Sep 2025701 AMAQI
22nd Sep 2025742 AMAQI
22nd Sep 2025723 AMAQI
22nd Sep 2025714 AMAQI

29°C25/33°C

22nd Sep 2025685 AMAQI
22nd Sep 2025516 AMAQI
22nd Sep 2025697 AMAQI
22nd Sep 2025758 AMAQI
22nd Sep 2025739 AMAQI
22nd Sep 20256910 AMAQI
22nd Sep 20257111 AMAQI
22nd Sep 20257512 PMAQI
22nd Sep 2025761 PMAQI
22nd Sep 2025702 PMAQI
22nd Sep 2025703 PMAQI
22nd Sep 2025644 PMAQI
22nd Sep 2025705 PMAQI
22nd Sep 2025726 PMAQI
22nd Sep 2025787 PMAQI
22nd Sep 2025788 PMAQI
22nd Sep 2025789 PMAQI
22nd Sep 20258210 PMAQI
22nd Sep 20258311 PMAQI
23rd Sep 20257812 AMAQI
23rd Sep 2025721 AMAQI
23rd Sep 2025712 AMAQI
23rd Sep 2025733 AMAQI
23rd Sep 2025724 AMAQI

30°C27/33°C

23rd Sep 2025695 AMAQI
23rd Sep 2025606 AMAQI
23rd Sep 2025697 AMAQI
23rd Sep 2025678 AMAQI
23rd Sep 2025829 AMAQI
23rd Sep 20257810 AMAQI
23rd Sep 20257911 AMAQI
23rd Sep 20257812 PMAQI
23rd Sep 2025711 PMAQI
23rd Sep 2025692 PMAQI
23rd Sep 2025693 PMAQI
23rd Sep 2025684 PMAQI
23rd Sep 2025685 PMAQI
23rd Sep 2025696 PMAQI
23rd Sep 2025727 PMAQI
23rd Sep 2025758 PMAQI
23rd Sep 2025809 PMAQI
23rd Sep 20258210 PMAQI
23rd Sep 20258011 PMAQI
24th Sep 20257812 AMAQI
24th Sep 2025761 AMAQI
24th Sep 2025722 AMAQI
24th Sep 2025723 AMAQI
24th Sep 2025734 AMAQI

30°C27/34°C

24th Sep 2025685 AMAQI
24th Sep 2025706 AMAQI
24th Sep 2025747 AMAQI
24th Sep 2025658 AMAQI
24th Sep 2025719 AMAQI
24th Sep 20257410 AMAQI
24th Sep 20257211 AMAQI
24th Sep 20257612 PMAQI
24th Sep 2025761 PMAQI
24th Sep 2025712 PMAQI
24th Sep 2025673 PMAQI
24th Sep 2025724 PMAQI
24th Sep 2025705 PMAQI
24th Sep 2025746 PMAQI
24th Sep 2025797 PMAQI
24th Sep 2025818 PMAQI
24th Sep 2025809 PMAQI
24th Sep 20257710 PMAQI
24th Sep 20257811 PMAQI
25th Sep 20258012 AMAQI
25th Sep 2025741 AMAQI
25th Sep 2025722 AMAQI
25th Sep 2025743 AMAQI
25th Sep 2025744 AMAQI

31°C27/35°C

25th Sep 2025665 AMAQI
25th Sep 2025726 AMAQI
25th Sep 2025747 AMAQI
25th Sep 2025858 AMAQI
25th Sep 20251009 AMAQI
25th Sep 20257610 AMAQI
25th Sep 20257611 AMAQI
25th Sep 20257712 PMAQI
25th Sep 2025971 PMAQI
25th Sep 2025982 PMAQI
25th Sep 2025723 PMAQI
25th Sep 2025654 PMAQI
25th Sep 2025665 PMAQI
25th Sep 2025676 PMAQI
25th Sep 2025817 PMAQI
25th Sep 2025818 PMAQI
25th Sep 2025849 PMAQI
25th Sep 20258710 PMAQI
25th Sep 20258011 PMAQI
26th Sep 20257012 AMAQI
26th Sep 2025621 AMAQI
26th Sep 2025572 AMAQI
26th Sep 2025563 AMAQI
26th Sep 2025554 AMAQI

31°C27/35°C

26th Sep 2025545 AMAQI
26th Sep 2025576 AMAQI
26th Sep 2025607 AMAQI
26th Sep 2025678 AMAQI
26th Sep 2025769 AMAQI
26th Sep 20257310 AMAQI
26th Sep 20257511 AMAQI
26th Sep 20257112 PMAQI
26th Sep 2025651 PMAQI
26th Sep 2025712 PMAQI
26th Sep 2025693 PMAQI
26th Sep 2025644 PMAQI
26th Sep 2025625 PMAQI
26th Sep 2025646 PMAQI
26th Sep 2025667 PMAQI
26th Sep 2025858 PMAQI
26th Sep 2025899 PMAQI
26th Sep 20259610 PMAQI
26th Sep 20258411 PMAQI
27th Sep 20257112 AMAQI
27th Sep 2025721 AMAQI
27th Sep 2025692 AMAQI
27th Sep 2025653 AMAQI
27th Sep 2025594 AMAQI

30°C27/34°C

27th Sep 2025675 AMAQI
27th Sep 2025756 AMAQI
27th Sep 2025787 AMAQI
27th Sep 2025828 AMAQI
27th Sep 2025799 AMAQI
27th Sep 20257310 AMAQI
27th Sep 20256811 AMAQI
27th Sep 20256612 PMAQI
27th Sep 2025671 PMAQI
27th Sep 2025702 PMAQI
27th Sep 2025683 PMAQI
27th Sep 2025644 PMAQI
27th Sep 2025625 PMAQI
27th Sep 2025676 PMAQI
27th Sep 2025727 PMAQI
27th Sep 2025778 PMAQI
27th Sep 2025769 PMAQI
27th Sep 20257210 PMAQI
27th Sep 20257511 PMAQI
28th Sep 20257512 AMAQI
28th Sep 2025741 AMAQI
28th Sep 2025732 AMAQI
28th Sep 2025703 AMAQI
28th Sep 2025634 AMAQI

30°C27/35°C

28th Sep 2025625 AMAQI
28th Sep 2025646 AMAQI
28th Sep 2025697 AMAQI
28th Sep 2025738 AMAQI
28th Sep 2025729 AMAQI
28th Sep 20256710 AMAQI
28th Sep 20256611 AMAQI
28th Sep 20256012 PMAQI
28th Sep 2025571 PMAQI
28th Sep 2025552 PMAQI
28th Sep 2025553 PMAQI
28th Sep 2025554 PMAQI
28th Sep 2025555 PMAQI
28th Sep 2025626 PMAQI
28th Sep 2025707 PMAQI
28th Sep 2025858 PMAQI
28th Sep 2025869 PMAQI
28th Sep 20257810 PMAQI
28th Sep 20257711 PMAQI
29th Sep 20257612 AMAQI
29th Sep 2025641 AMAQI
29th Sep 2025682 AMAQI
29th Sep 2025643 AMAQI
29th Sep 2025734 AMAQI

30°C26/36°C

29th Sep 2025675 AMAQI
29th Sep 2025646 AMAQI
29th Sep 2025687 AMAQI
29th Sep 2025778 AMAQI
29th Sep 2025909 AMAQI
29th Sep 20258910 AMAQI
29th Sep 20258411 AMAQI
29th Sep 20258612 PMAQI
29th Sep 2025821 PMAQI
29th Sep 2025772 PMAQI
29th Sep 2025733 PMAQI
29th Sep 2025784 PMAQI
29th Sep 2025815 PMAQI
29th Sep 2025746 PMAQI
29th Sep 2025757 PMAQI
29th Sep 2025758 PMAQI
29th Sep 2025799 PMAQI
29th Sep 20259510 PMAQI
29th Sep 202510011 PMAQI
30th Sep 20259112 AMAQI
30th Sep 2025861 AMAQI
30th Sep 20251092 AMAQI
30th Sep 2025923 AMAQI
30th Sep 2025814 AMAQI

31°C27/36°C

30th Sep 2025685 AMAQI
30th Sep 2025746 AMAQI
30th Sep 2025727 AMAQI
30th Sep 2025768 AMAQI
30th Sep 2025749 AMAQI
30th Sep 20257710 AMAQI
30th Sep 20257511 AMAQI
30th Sep 20258212 PMAQI
30th Sep 2025901 PMAQI
30th Sep 2025812 PMAQI
30th Sep 2025753 PMAQI
30th Sep 2025774 PMAQI
30th Sep 2025765 PMAQI
30th Sep 2025766 PMAQI
30th Sep 2025777 PMAQI
30th Sep 2025898 PMAQI
30th Sep 20251009 PMAQI
30th Sep 202511610 PMAQI
30th Sep 202515611 PMAQI
1st Oct 202511512 AMAQI
1st Oct 20251071 AMAQI
1st Oct 20251112 AMAQI
1st Oct 2025973 AMAQI
1st Oct 20251004 AMAQI

30°C27/34°C

1st Oct 20251055 AMAQI
1st Oct 2025966 AMAQI
1st Oct 20251167 AMAQI
1st Oct 20251048 AMAQI
1st Oct 20251059 AMAQI
1st Oct 20259410 AMAQI
1st Oct 20259211 AMAQI
1st Oct 20258012 PMAQI
1st Oct 2025921 PMAQI
1st Oct 2025872 PMAQI
1st Oct 2025843 PMAQI
1st Oct 2025754 PMAQI
1st Oct 2025785 PMAQI
1st Oct 2025796 PMAQI
1st Oct 2025807 PMAQI
1st Oct 2025848 PMAQI
1st Oct 2025919 PMAQI
1st Oct 202510010 PMAQI
1st Oct 20259611 PMAQI
2nd Oct 20258912 AMAQI
2nd Oct 2025871 AMAQI
2nd Oct 2025822 AMAQI
2nd Oct 2025813 AMAQI
2nd Oct 2025764 AMAQI

29°C26/32°C

2nd Oct 2025735 AMAQI
2nd Oct 2025766 AMAQI
2nd Oct 2025797 AMAQI
2nd Oct 2025938 AMAQI
2nd Oct 2025979 AMAQI
2nd Oct 20259810 AMAQI
2nd Oct 20259611 AMAQI
2nd Oct 20258612 PMAQI
2nd Oct 2025791 PMAQI
2nd Oct 2025732 PMAQI
2nd Oct 2025743 PMAQI
2nd Oct 2025684 PMAQI
2nd Oct 2025735 PMAQI
2nd Oct 2025726 PMAQI
2nd Oct 2025767 PMAQI
2nd Oct 2025808 PMAQI
2nd Oct 2025909 PMAQI
2nd Oct 20259110 PMAQI
2nd Oct 202510111 PMAQI
3rd Oct 202511612 AMAQI
3rd Oct 20251321 AMAQI
3rd Oct 20251342 AMAQI
3rd Oct 20251293 AMAQI
3rd Oct 20251024 AMAQI

29°C25/35°C

3rd Oct 2025815 AMAQI
3rd Oct 2025836 AMAQI
3rd Oct 2025767 AMAQI
3rd Oct 2025808 AMAQI
3rd Oct 2025869 AMAQI
3rd Oct 20259210 AMAQI
3rd Oct 20259911 AMAQI
3rd Oct 202510112 PMAQI
3rd Oct 2025921 PMAQI
3rd Oct 2025962 PMAQI
3rd Oct 2025813 PMAQI
3rd Oct 2025824 PMAQI
3rd Oct 2025645 PMAQI
3rd Oct 2025856 PMAQI
3rd Oct 2025897 PMAQI
3rd Oct 2025958 PMAQI
3rd Oct 2025999 PMAQI
3rd Oct 202510010 PMAQI
3rd Oct 202510111 PMAQI
4th Oct 20259612 AMAQI
4th Oct 2025931 AMAQI
4th Oct 2025852 AMAQI
4th Oct 2025873 AMAQI
4th Oct 2025814 AMAQI

30°C26/34°C

4th Oct 2025755 AMAQI
4th Oct 2025766 AMAQI
4th Oct 2025787 AMAQI
4th Oct 2025818 AMAQI
4th Oct 2025859 AMAQI
4th Oct 20258310 AMAQI
4th Oct 20256911 AMAQI
4th Oct 20256812 PMAQI
4th Oct 2025741 PMAQI
4th Oct 2025682 PMAQI
4th Oct 2025673 PMAQI
4th Oct 2025714 PMAQI
4th Oct 2025705 PMAQI
4th Oct 2025776 PMAQI
4th Oct 2025797 PMAQI
4th Oct 2025888 PMAQI
4th Oct 2025919 PMAQI
4th Oct 20259610 PMAQI
4th Oct 20259711 PMAQI
5th Oct 20259712 AMAQI
5th Oct 2025931 AMAQI
5th Oct 2025932 AMAQI
5th Oct 2025883 AMAQI
5th Oct 2025864 AMAQI

30°C27/35°C

5th Oct 2025845 AMAQI
5th Oct 2025906 AMAQI
5th Oct 2025957 AMAQI
5th Oct 20251068 AMAQI
5th Oct 20251069 AMAQI
5th Oct 202510410 AMAQI
5th Oct 20259611 AMAQI
5th Oct 20256912 PMAQI
5th Oct 2025711 PMAQI
5th Oct 2025782 PMAQI
5th Oct 2025753 PMAQI
5th Oct 2025844 PMAQI
5th Oct 2025905 PMAQI
5th Oct 20251186 PMAQI
5th Oct 20251067 PMAQI
5th Oct 20251078 PMAQI
5th Oct 2025949 PMAQI
5th Oct 20258010 PMAQI
5th Oct 20257811 PMAQI
6th Oct 20257312 AMAQI
6th Oct 2025731 AMAQI
6th Oct 2025662 AMAQI
6th Oct 2025633 AMAQI
6th Oct 2025584 AMAQI

30°C27/34°C

6th Oct 2025595 AMAQI
6th Oct 2025616 AMAQI
6th Oct 2025657 AMAQI
6th Oct 2025708 AMAQI
6th Oct 2025749 AMAQI
6th Oct 20258810 AMAQI
6th Oct 20259911 AMAQI
6th Oct 20259612 PMAQI
6th Oct 2025941 PMAQI
6th Oct 2025972 PMAQI
6th Oct 2025973 PMAQI
6th Oct 2025864 PMAQI
6th Oct 20251015 PMAQI
6th Oct 20251196 PMAQI
6th Oct 20251417 PMAQI
6th Oct 20251198 PMAQI
6th Oct 20251379 PMAQI
6th Oct 202514310 PMAQI

30°C27/34°C

7th Oct 20251145 PMAQI
7th Oct 20251016 PMAQI
7th Oct 20251187 PMAQI
7th Oct 20251038 PMAQI
7th Oct 2025999 PMAQI
7th Oct 20259810 PMAQI
7th Oct 20259411 PMAQI
8th Oct 20259312 AMAQI
8th Oct 2025971 AMAQI
8th Oct 20251022 AMAQI
8th Oct 20251173 AMAQI
8th Oct 20251304 AMAQI

29°C27/33°C

8th Oct 20251295 AMAQI
8th Oct 20251376 AMAQI
8th Oct 20251587 AMAQI
8th Oct 20251388 AMAQI
8th Oct 20251139 AMAQI
8th Oct 202511610 AMAQI
8th Oct 202512211 AMAQI
8th Oct 20259812 PMAQI
8th Oct 2025941 PMAQI
8th Oct 2025872 PMAQI
8th Oct 2025923 PMAQI
8th Oct 2025934 PMAQI
8th Oct 2025935 PMAQI
8th Oct 2025996 PMAQI
8th Oct 2025947 PMAQI
8th Oct 2025998 PMAQI
8th Oct 2025999 PMAQI
8th Oct 20259610 PMAQI
8th Oct 20259411 PMAQI
9th Oct 20258712 AMAQI
9th Oct 2025881 AMAQI
9th Oct 2025852 AMAQI
9th Oct 2025823 AMAQI
9th Oct 2025904 AMAQI

29°C27/32°C

9th Oct 2025825 AMAQI
9th Oct 2025916 AMAQI
9th Oct 20251237 AMAQI
9th Oct 20251028 AMAQI
9th Oct 20251079 AMAQI
9th Oct 202510410 AMAQI
9th Oct 202512711 AMAQI
9th Oct 202514112 PMAQI
9th Oct 20251041 PMAQI
9th Oct 20251082 PMAQI
9th Oct 20251273 PMAQI
9th Oct 20251424 PMAQI
9th Oct 20251235 PMAQI
9th Oct 20251116 PMAQI
9th Oct 20251097 PMAQI
9th Oct 20251028 PMAQI
9th Oct 2025989 PMAQI
9th Oct 20258710 PMAQI
9th Oct 20258211 PMAQI
10th Oct 20258112 AMAQI
10th Oct 2025841 AMAQI
10th Oct 2025962 AMAQI
10th Oct 2025803 AMAQI
10th Oct 2025834 AMAQI

28°C26/32°C

10th Oct 2025715 AMAQI
10th Oct 2025746 AMAQI
10th Oct 2025897 AMAQI
10th Oct 2025978 AMAQI
10th Oct 20251159 AMAQI
10th Oct 202511110 AMAQI
10th Oct 202513011 AMAQI
10th Oct 202512412 PMAQI
10th Oct 20251121 PMAQI
10th Oct 20251142 PMAQI
10th Oct 20251223 PMAQI
10th Oct 20251154 PMAQI
10th Oct 20251065 PMAQI
10th Oct 20251186 PMAQI
10th Oct 20251127 PMAQI
10th Oct 2025958 PMAQI
10th Oct 2025929 PMAQI
10th Oct 20259210 PMAQI
10th Oct 20259411 PMAQI
11th Oct 20259612 AMAQI
11th Oct 2025931 AMAQI
11th Oct 20251142 AMAQI
11th Oct 20251133 AMAQI
11th Oct 20251054 AMAQI

28°C26/32°C

11th Oct 20251065 AMAQI
11th Oct 20251226 AMAQI
11th Oct 20251317 AMAQI
11th Oct 20251318 AMAQI
11th Oct 20251549 AMAQI
11th Oct 202515710 AMAQI
11th Oct 202513711 AMAQI
11th Oct 202514412 PMAQI
11th Oct 20251101 PMAQI
11th Oct 20251062 PMAQI
11th Oct 20251293 PMAQI
11th Oct 20251384 PMAQI
11th Oct 20251585 PMAQI
11th Oct 20251586 PMAQI
11th Oct 20251537 PMAQI
11th Oct 20251478 PMAQI
11th Oct 20251299 PMAQI
11th Oct 202513310 PMAQI
11th Oct 202513511 PMAQI
12th Oct 202513212 AMAQI
12th Oct 20251291 AMAQI
12th Oct 20251372 AMAQI
12th Oct 20251523 AMAQI
12th Oct 20251674 AMAQI

28°C26/32°C

12th Oct 20251755 AMAQI
12th Oct 20251706 AMAQI
12th Oct 20251647 AMAQI
12th Oct 20251658 AMAQI
12th Oct 20251569 AMAQI
12th Oct 202515510 AMAQI
12th Oct 202516411 AMAQI
12th Oct 202516612 PMAQI
12th Oct 20251591 PMAQI
12th Oct 20251542 PMAQI
12th Oct 20251523 PMAQI
12th Oct 20251544 PMAQI
12th Oct 20251505 PMAQI
12th Oct 20251416 PMAQI
12th Oct 20251427 PMAQI
12th Oct 20251338 PMAQI
12th Oct 20251499 PMAQI
12th Oct 202514810 PMAQI
12th Oct 202513811 PMAQI
13th Oct 202512712 AMAQI
13th Oct 20251601 AMAQI
13th Oct 20251632 AMAQI
13th Oct 20251463 AMAQI
13th Oct 20251364 AMAQI

28°C26/32°C

13th Oct 20251425 AMAQI
13th Oct 20251496 AMAQI
13th Oct 20251467 AMAQI
13th Oct 20251538 AMAQI
13th Oct 20251409 AMAQI
13th Oct 202513610 AMAQI
13th Oct 202515111 AMAQI
13th Oct 202515512 PMAQI
13th Oct 20251421 PMAQI
13th Oct 20251452 PMAQI
13th Oct 20251493 PMAQI
13th Oct 20251424 PMAQI
13th Oct 20251415 PMAQI
13th Oct 20251406 PMAQI
13th Oct 20251257 PMAQI
13th Oct 20251208 PMAQI
13th Oct 20251069 PMAQI
13th Oct 202510210 PMAQI
13th Oct 20259611 PMAQI
14th Oct 20259112 AMAQI
14th Oct 20251021 AMAQI
14th Oct 2025982 AMAQI
14th Oct 2025983 AMAQI
14th Oct 20251074 AMAQI

28°C26/32°C

14th Oct 20251105 AMAQI
14th Oct 20251306 AMAQI
14th Oct 20251497 AMAQI
14th Oct 20251348 AMAQI
14th Oct 20251229 AMAQI
14th Oct 202511110 AMAQI
14th Oct 20259811 AMAQI
14th Oct 20258012 PMAQI
14th Oct 2025741 PMAQI
14th Oct 2025622 PMAQI
14th Oct 2025663 PMAQI
14th Oct 2025674 PMAQI
14th Oct 2025675 PMAQI
14th Oct 2025756 PMAQI
14th Oct 2025767 PMAQI
14th Oct 2025708 PMAQI
14th Oct 2025739 PMAQI
14th Oct 20257110 PMAQI
14th Oct 20256211 PMAQI
15th Oct 20256012 AMAQI
15th Oct 2025591 AMAQI
15th Oct 2025592 AMAQI
15th Oct 2025663 AMAQI
15th Oct 2025614 AMAQI

28°C26/31°C

15th Oct 2025665 AMAQI
15th Oct 2025626 AMAQI
15th Oct 2025767 AMAQI
15th Oct 2025918 AMAQI
15th Oct 20251159 AMAQI
15th Oct 202510610 AMAQI
15th Oct 20259211 AMAQI
15th Oct 20257512 PMAQI
15th Oct 2025691 PMAQI
15th Oct 2025602 PMAQI
15th Oct 2025623 PMAQI
15th Oct 2025574 PMAQI
15th Oct 2025625 PMAQI
15th Oct 2025686 PMAQI
15th Oct 2025767 PMAQI
15th Oct 2025868 PMAQI
15th Oct 2025919 PMAQI
15th Oct 20258310 PMAQI
15th Oct 20256511 PMAQI
16th Oct 20257212 AMAQI
16th Oct 2025791 AMAQI
16th Oct 20251052 AMAQI
16th Oct 20251263 AMAQI
16th Oct 20251394 AMAQI

27°C26/30°C

16th Oct 20251335 AMAQI
16th Oct 20251526 AMAQI
16th Oct 20251317 AMAQI
16th Oct 2025958 AMAQI
16th Oct 2025849 AMAQI
16th Oct 20256810 AMAQI
16th Oct 20256211 AMAQI
16th Oct 20257112 PMAQI
16th Oct 2025911 PMAQI
16th Oct 2025722 PMAQI
16th Oct 2025763 PMAQI
16th Oct 2025804 PMAQI
16th Oct 2025685 PMAQI
16th Oct 2025856 PMAQI
16th Oct 20251087 PMAQI
16th Oct 2025918 PMAQI
16th Oct 2025719 PMAQI
16th Oct 20256910 PMAQI
16th Oct 20256411 PMAQI
17th Oct 20255412 AMAQI
17th Oct 2025631 AMAQI
17th Oct 2025682 AMAQI
17th Oct 2025603 AMAQI
17th Oct 2025644 AMAQI

28°C26/31°C

17th Oct 2025615 AMAQI
17th Oct 2025616 AMAQI
17th Oct 2025967 AMAQI
17th Oct 2025838 AMAQI
17th Oct 2025799 AMAQI
17th Oct 20257910 AMAQI
17th Oct 20256011 AMAQI
17th Oct 20257112 PMAQI
17th Oct 2025691 PMAQI
17th Oct 2025642 PMAQI
17th Oct 2025633 PMAQI
17th Oct 2025604 PMAQI
17th Oct 2025635 PMAQI
17th Oct 2025826 PMAQI
17th Oct 20251407 PMAQI
17th Oct 20251258 PMAQI
17th Oct 20251509 PMAQI
17th Oct 202512710 PMAQI
17th Oct 20257511 PMAQI
18th Oct 20258512 AMAQI
18th Oct 20251071 AMAQI
18th Oct 2025642 AMAQI
18th Oct 2025653 AMAQI
18th Oct 2025694 AMAQI

28°C26/31°C

18th Oct 20251125 AMAQI
18th Oct 20251156 AMAQI
18th Oct 20251077 AMAQI
18th Oct 2025878 AMAQI
18th Oct 2025769 AMAQI
18th Oct 20258210 AMAQI
18th Oct 20259211 AMAQI
18th Oct 20259012 PMAQI
18th Oct 20251181 PMAQI
18th Oct 20251332 PMAQI
18th Oct 20251523 PMAQI
18th Oct 20251654 PMAQI
18th Oct 20251615 PMAQI
18th Oct 20251926 PMAQI
18th Oct 20252707 PMAQI
18th Oct 20252878 PMAQI
18th Oct 20253649 PMAQI
18th Oct 202528010 PMAQI
18th Oct 202525711 PMAQI
19th Oct 202524912 AMAQI
19th Oct 20252161 AMAQI
19th Oct 20251942 AMAQI
19th Oct 20251803 AMAQI
19th Oct 20251794 AMAQI

28°C26/31°C

19th Oct 20251645 AMAQI
19th Oct 20251566 AMAQI
19th Oct 20251477 AMAQI
19th Oct 20251038 AMAQI
19th Oct 2025989 AMAQI
19th Oct 202512410 AMAQI
19th Oct 202513311 AMAQI
19th Oct 202511112 PMAQI
19th Oct 20251281 PMAQI
19th Oct 2025732 PMAQI
19th Oct 2025923 PMAQI
19th Oct 2025744 PMAQI
19th Oct 20251165 PMAQI
19th Oct 20251936 PMAQI
19th Oct 20252897 PMAQI
19th Oct 20252098 PMAQI
19th Oct 20251949 PMAQI
19th Oct 202519010 PMAQI
19th Oct 202520211 PMAQI
20th Oct 202515812 AMAQI
20th Oct 20251551 AMAQI
20th Oct 20251472 AMAQI
20th Oct 20251203 AMAQI
20th Oct 20251044 AMAQI

--°C/°C

5 AM
11 AM
5 PM
11 PM
4 AM

--°C/°C

Day time
Avg. Highest Time
7 AM - 11 AM

96AQI

5 hours / Day
150 hours / Month
Avg. Lowest Time
2 PM - 5 PM

87AQI

4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 AM to 11 AM (Avg. 96), while the lowest AQI was between 2 PM to 5 PM (Avg. 87).
Night time
Avg. Highest Time
7 PM - 10 PM

106AQI

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

91AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 PM to 10 PM (Avg. 106), while the lowest AQI was between 3 AM to 4 AM (Avg. 91).

2025 Days Vs Air Quality

Sridevi Colony, Chennai, Tamil Nadu, India

2025

78%

229

21%

60

1%

3

Total number of days with different AQI categories in last 292 days in 2025 (73 days remaining)

Good
0 Days
Moderate
229 Days
Poor
60 Days
Unhealthy
3 Days
Severe
0 Days
Hazardous
0 Days



Under WHO’s Safe Air Quality Limits: 0%

Health Risk Level:

Extreme

In 2025, 0% of 292 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

Sridevi Colony, 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.

-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
115AQI
2nd January 2025
142AQI
3rd January 2025
141AQI
4th January 2025
148AQI
5th January 2025
150AQI
6th January 2025
155AQI
7th January 2025
145AQI
8th January 2025
150AQI
9th January 2025
146AQI
10th January 2025
148AQI
11th January 2025
118AQI
12th January 2025
122AQI
13th January 2025
114AQI
14th January 2025
91AQI
15th January 2025
88AQI
16th January 2025
129AQI
17th January 2025
140AQI
18th January 2025
131AQI
19th January 2025
114AQI
20th January 2025
136AQI
21st January 2025
137AQI
22nd January 2025
142AQI
23rd January 2025
115AQI
24th January 2025
111AQI
25th January 2025
109AQI
26th January 2025
107AQI
27th January 2025
115AQI
28th January 2025
137AQI
29th January 2025
137AQI
30th January 2025
131AQI
31st January 2025
101AQI
1st February 2025
97AQI
2nd February 2025
87AQI
3rd February 2025
87AQI
4th February 2025
103AQI
5th February 2025
127AQI
6th February 2025
132AQI
7th February 2025
142AQI
8th February 2025
134AQI
9th February 2025
139AQI
10th February 2025
153AQI
11th February 2025
119AQI
12th February 2025
124AQI
13th February 2025
100AQI
14th February 2025
102AQI
15th February 2025
96AQI
16th February 2025
108AQI
17th February 2025
124AQI
18th February 2025
126AQI
19th February 2025
123AQI
20th February 2025
109AQI
21st February 2025
99AQI
22nd February 2025
104AQI
23rd February 2025
98AQI
24th February 2025
98AQI
25th February 2025
114AQI
26th February 2025
124AQI
27th February 2025
114AQI
28th February 2025
108AQI
1st March 2025
84AQI
2nd March 2025
78AQI
3rd March 2025
80AQI
4th March 2025
78AQI
5th March 2025
81AQI
6th March 2025
104AQI
7th March 2025
121AQI
8th March 2025
107AQI
9th March 2025
90AQI
10th March 2025
93AQI
11th March 2025
92AQI
12th March 2025
89AQI
13th March 2025
80AQI
14th March 2025
93AQI
15th March 2025
70AQI
16th March 2025
80AQI
17th March 2025
108AQI
18th March 2025
91AQI
19th March 2025
86AQI
20th March 2025
87AQI
21st March 2025
86AQI
22nd March 2025
84AQI
23rd March 2025
77AQI
24th March 2025
84AQI
25th March 2025
88AQI
26th March 2025
96AQI
27th March 2025
111AQI
28th March 2025
96AQI
29th March 2025
110AQI
30th March 2025
90AQI
31st March 2025
97AQI
1st April 2025
102AQI
2nd April 2025
87AQI
3rd April 2025
74AQI
4th April 2025
78AQI
5th April 2025
67AQI
6th April 2025
68AQI
7th April 2025
67AQI
8th April 2025
68AQI
9th April 2025
63AQI
10th April 2025
80AQI
11th April 2025
85AQI
12th April 2025
93AQI
13th April 2025
87AQI
14th April 2025
78AQI
15th April 2025
70AQI
16th April 2025
76AQI
17th April 2025
76AQI
18th April 2025
73AQI
19th April 2025
82AQI
20th April 2025
79AQI
21st April 2025
79AQI
22nd April 2025
79AQI
23rd April 2025
77AQI
24th April 2025
74AQI
25th April 2025
76AQI
26th April 2025
75AQI
27th April 2025
69AQI
28th April 2025
61AQI
29th April 2025
62AQI
30th April 2025
66AQI
1st May 2025
69AQI
2nd May 2025
71AQI
3rd May 2025
83AQI
4th May 2025
79AQI
5th May 2025
83AQI
6th May 2025
80AQI
7th May 2025
82AQI
8th May 2025
90AQI
9th May 2025
94AQI
10th May 2025
93AQI
11th May 2025
96AQI
12th May 2025
94AQI
13th May 2025
100AQI
14th May 2025
96AQI
15th May 2025
99AQI
16th May 2025
95AQI
17th May 2025
91AQI
18th May 2025
86AQI
19th May 2025
80AQI
20th May 2025
78AQI
21st May 2025
70AQI
22nd May 2025
81AQI
23rd May 2025
82AQI
24th May 2025
74AQI
25th May 2025
70AQI
26th May 2025
65AQI
27th May 2025
73AQI
28th May 2025
90AQI
29th May 2025
74AQI
30th May 2025
83AQI
31st May 2025
86AQI
1st June 2025
82AQI
2nd June 2025
86AQI
3rd June 2025
83AQI
4th June 2025
85AQI
5th June 2025
93AQI
6th June 2025
100AQI
7th June 2025
97AQI
8th June 2025
88AQI
9th June 2025
90AQI
10th June 2025
90AQI
11th June 2025
91AQI
12th June 2025
88AQI
13th June 2025
84AQI
14th June 2025
77AQI
15th June 2025
77AQI
16th June 2025
76AQI
17th June 2025
81AQI
18th June 2025
80AQI
19th June 2025
80AQI
20th June 2025
80AQI
21st June 2025
70AQI
22nd June 2025
70AQI
23rd June 2025
69AQI
24th June 2025
70AQI
25th June 2025
68AQI
26th June 2025
66AQI
27th June 2025
65AQI
28th June 2025
65AQI
29th June 2025
65AQI
30th June 2025
64AQI
1st July 2025
66AQI
2nd July 2025
69AQI
3rd July 2025
65AQI
4th July 2025
65AQI
5th July 2025
65AQI
6th July 2025
63AQI
7th July 2025
64AQI
8th July 2025
68AQI
9th July 2025
69AQI
10th July 2025
70AQI
11th July 2025
73AQI
12th July 2025
73AQI
13th July 2025
73AQI
14th July 2025
70AQI
15th July 2025
72AQI
16th July 2025
71AQI
17th July 2025
70AQI
18th July 2025
71AQI
19th July 2025
72AQI
20th July 2025
71AQI
21st July 2025
73AQI
22nd July 2025
71AQI
23rd July 2025
70AQI
24th July 2025
73AQI
25th July 2025
71AQI
26th July 2025
69AQI
27th July 2025
68AQI
28th July 2025
68AQI
29th July 2025
66AQI
30th July 2025
67AQI
31st July 2025
70AQI
1st August 2025
68AQI
2nd August 2025
74AQI
3rd August 2025
72AQI
4th August 2025
70AQI
5th August 2025
68AQI
6th August 2025
69AQI
7th August 2025
71AQI
8th August 2025
73AQI
9th August 2025
73AQI
10th August 2025
72AQI
11th August 2025
68AQI
12th August 2025
70AQI
13th August 2025
63AQI
14th August 2025
65AQI
15th August 2025
63AQI
16th August 2025
62AQI
17th August 2025
58AQI
18th August 2025
60AQI
19th August 2025
61AQI
20th August 2025
63AQI
21st August 2025
68AQI
22nd August 2025
69AQI
23rd August 2025
65AQI
24th August 2025
68AQI
25th August 2025
66AQI
26th August 2025
67AQI
27th August 2025
68AQI
28th August 2025
69AQI
29th August 2025
70AQI
30th August 2025
68AQI
31st August 2025
68AQI
1st September 2025
70AQI
2nd September 2025
68AQI
3rd September 2025
69AQI
4th September 2025
73AQI
5th September 2025
66AQI
6th September 2025
73AQI
7th September 2025
73AQI
8th September 2025
73AQI
9th September 2025
80AQI
10th September 2025
79AQI
11th September 2025
77AQI
12th September 2025
80AQI
13th September 2025
84AQI
14th September 2025
79AQI
15th September 2025
77AQI
16th September 2025
74AQI
17th September 2025
70AQI
18th September 2025
68AQI
19th September 2025
70AQI
20th September 2025
72AQI
21st September 2025
74AQI
22nd September 2025
73AQI
23rd September 2025
74AQI
24th September 2025
75AQI
25th September 2025
78AQI
26th September 2025
70AQI
27th September 2025
71AQI
28th September 2025
69AQI
29th September 2025
77AQI
30th September 2025
87AQI
1st October 2025
98AQI
2nd October 2025
84AQI
3rd October 2025
99AQI
4th October 2025
84AQI
5th October 2025
93AQI
6th October 2025
88AQI
7th October 2025
103AQI
8th October 2025
105AQI
9th October 2025
99AQI
10th October 2025
96AQI
11th October 2025
123AQI
12th October 2025
149AQI
13th October 2025
136AQI
14th October 2025
90AQI
15th October 2025
71AQI
16th October 2025
89AQI
17th October 2025
78AQI
18th October 2025
141AQI
19th October 2025
197AQI
20th October 2025
21st October 2025
22nd October 2025
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025

128AQI

114AQI

91AQI

76AQI

83AQI

79AQI

69AQI

67AQI

74AQI

106AQI


No. of days

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

202588AQI

2
28
1
8
19
1
25
6
29
1
31
30
31
31
30
12
6
1
229
60
3

Highest AQI recorded in

January

128AQI


Lowest AQI recorded in

August

67AQI


202482AQI

6
22
3
7
22
16
15
9
20
1
16
15
1
29
4
27
8
23
2
26
2
7
16
6
2
12
17
1
18
13
47
215
98
6

Highest AQI recorded in

January

121AQI


Lowest AQI recorded in

May

51AQI


202392AQI

5
23
3
11
17
2
21
8
1
26
3
23
8
27
3
31
31
30
21
10
20
9
9
17
5
3
255
98
8

Highest AQI recorded in

January

123AQI


Lowest AQI recorded in

July

70AQI


202286AQI

1
30
27
1
29
2
7
20
17
14
21
9
4
26
2
10
23
5
2
13
10
5
1
2
14
12
2
16
8
7
18
246
61
14
1

Highest AQI recorded in

December

113AQI


Lowest AQI recorded in

April

60AQI


202186AQI

3
1
6
6
1
19
2
29
2
1
28
1
18
10
2
2
100
21
6

Highest AQI recorded in

January

159AQI


Lowest AQI recorded in

November

72AQI


202092AQI

1
29
12
19
10
15
5
11
20
8
22
8
23
3
20
8
1
25
4
10
16
5
2
8
12
8
1
5
8
15
44
160
102
28

Highest AQI recorded in

December

133AQI


Lowest AQI recorded in

June

60AQI


Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2020(Avg.)
92AQI
Least Polluted Year Recorded
2024(Avg.)
82AQI


Sridevi Colony's annual 2025 AQI (88) shows an average percentage change of 0.8% (worsened AQI) compared to previous years: 2020 (92), 2021 (86), 2022 (86), 2023 (92), 2024 (82).