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HistoryAQIPM2.5PM10COSO2NO2O3

Korattur, 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

Korattur, Chennai, Tamil Nadu, India

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
24th Oct 2022
209AQI
Lowest AQI recorded on
3rd Oct 2021
24AQI

Same Day Analysis (11th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 104 of Poor air quality, showing improvement over 2021 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 11th Oct - 12th Oct 2025

Korattur, Chennai, Tamil Nadu, India

AQI
Day
Night
.

5 AM11th Oct 2025

6 PM

4 AM12th Oct 2025

Day time
Avg. Highest Time
12AMNaNth undefined

AQI

Avg. Lowest Time
12AMNaNth undefined

AQI

Night time
Avg. Highest Time
8PM11th Oct

146AQI

Avg. Lowest Time
3PM11th Oct

107AQI

In the last 24 hours,

Korattur's AQI reached its highest point of 146 at 8 PM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 11th Oct and 12th Oct 2025.

Day & Night AQI Trend : Sep - Oct 2025

Korattur, Chennai, Tamil Nadu, India

SepOct
12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th
Day
Night
12th Sep 2025755 AMAQI
12th Sep 2025746 AMAQI
12th Sep 2025747 AMAQI
12th Sep 2025788 AMAQI
12th Sep 2025829 AMAQI
12th Sep 20258510 AMAQI
12th Sep 20257711 AMAQI
12th Sep 20257312 PMAQI
12th Sep 2025821 PMAQI
12th Sep 2025822 PMAQI
12th Sep 2025783 PMAQI
12th Sep 2025764 PMAQI
12th Sep 2025795 PMAQI
12th Sep 2025816 PMAQI
12th Sep 2025817 PMAQI
12th Sep 2025828 PMAQI
12th Sep 2025949 PMAQI
12th Sep 20259310 PMAQI
12th Sep 20258811 PMAQI
13th Sep 20258212 AMAQI
13th Sep 2025791 AMAQI
13th Sep 2025782 AMAQI
13th Sep 2025773 AMAQI
13th Sep 2025794 AMAQI

30°C28/32°C

13th Sep 2025825 AMAQI
13th Sep 2025826 AMAQI
13th Sep 2025897 AMAQI
13th Sep 20251038 AMAQI
13th Sep 2025829 AMAQI
13th Sep 20257810 AMAQI
13th Sep 20257011 AMAQI
13th Sep 20257612 PMAQI
13th Sep 2025821 PMAQI
13th Sep 2025802 PMAQI
13th Sep 2025783 PMAQI
13th Sep 2025784 PMAQI
13th Sep 2025795 PMAQI
13th Sep 2025846 PMAQI
13th Sep 2025847 PMAQI
13th Sep 2025828 PMAQI
13th Sep 2025849 PMAQI
13th Sep 20258310 PMAQI
13th Sep 20259511 PMAQI
14th Sep 20258312 AMAQI
14th Sep 2025841 AMAQI
14th Sep 2025832 AMAQI
14th Sep 2025823 AMAQI
14th Sep 2025824 AMAQI

30°C28/32°C

14th Sep 2025785 AMAQI
14th Sep 2025646 AMAQI
14th Sep 2025707 AMAQI
14th Sep 2025718 AMAQI
14th Sep 2025749 AMAQI
14th Sep 20256710 AMAQI
14th Sep 20257411 AMAQI
14th Sep 20257212 PMAQI
14th Sep 2025671 PMAQI
14th Sep 2025762 PMAQI
14th Sep 2025663 PMAQI
14th Sep 2025754 PMAQI
14th Sep 2025795 PMAQI
14th Sep 2025756 PMAQI
14th Sep 2025757 PMAQI
14th Sep 2025828 PMAQI
14th Sep 2025849 PMAQI
14th Sep 20258710 PMAQI
14th Sep 20258511 PMAQI
15th Sep 20257912 AMAQI
15th Sep 2025791 AMAQI
15th Sep 2025832 AMAQI
15th Sep 2025783 AMAQI
15th Sep 2025794 AMAQI

29°C28/32°C

15th Sep 2025675 AMAQI
15th Sep 2025686 AMAQI
15th Sep 2025617 AMAQI
15th Sep 2025728 AMAQI
15th Sep 2025669 AMAQI
15th Sep 20258210 AMAQI
15th Sep 20258011 AMAQI
15th Sep 20257512 PMAQI
15th Sep 2025681 PMAQI
15th Sep 2025702 PMAQI
15th Sep 2025743 PMAQI
15th Sep 2025664 PMAQI
15th Sep 2025795 PMAQI
15th Sep 2025806 PMAQI
15th Sep 2025807 PMAQI
15th Sep 2025828 PMAQI
15th Sep 2025849 PMAQI
15th Sep 20258710 PMAQI
15th Sep 20258411 PMAQI
16th Sep 20257812 AMAQI
16th Sep 2025741 AMAQI
16th Sep 2025752 AMAQI
16th Sep 2025753 AMAQI
16th Sep 2025754 AMAQI

30°C28/33°C

16th Sep 2025735 AMAQI
16th Sep 2025646 AMAQI
16th Sep 2025687 AMAQI
16th Sep 2025688 AMAQI
16th Sep 2025709 AMAQI
16th Sep 20257910 AMAQI
16th Sep 20257011 AMAQI
16th Sep 20255812 PMAQI
16th Sep 2025661 PMAQI
16th Sep 2025652 PMAQI
16th Sep 2025643 PMAQI
16th Sep 2025664 PMAQI
16th Sep 2025685 PMAQI
16th Sep 2025726 PMAQI
16th Sep 2025787 PMAQI
16th Sep 2025828 PMAQI
16th Sep 2025809 PMAQI
16th Sep 20257810 PMAQI
16th Sep 20258211 PMAQI
17th Sep 20257312 AMAQI
17th Sep 2025721 AMAQI
17th Sep 2025732 AMAQI
17th Sep 2025713 AMAQI
17th Sep 2025734 AMAQI

30°C28/32°C

17th Sep 2025685 AMAQI
17th Sep 2025606 AMAQI
17th Sep 2025627 AMAQI
17th Sep 2025618 AMAQI
17th Sep 2025659 AMAQI
17th Sep 20256010 AMAQI
17th Sep 20257111 AMAQI
17th Sep 20256912 PMAQI
17th Sep 2025561 PMAQI
17th Sep 2025612 PMAQI
17th Sep 2025673 PMAQI
17th Sep 2025564 PMAQI
17th Sep 2025645 PMAQI
17th Sep 2025686 PMAQI
17th Sep 2025697 PMAQI
17th Sep 2025728 PMAQI
17th Sep 2025729 PMAQI
17th Sep 20257210 PMAQI
17th Sep 20257211 PMAQI
18th Sep 20257112 AMAQI
18th Sep 2025701 AMAQI
18th Sep 2025702 AMAQI
18th Sep 2025693 AMAQI
18th Sep 2025704 AMAQI

30°C28/32°C

18th Sep 2025705 AMAQI
18th Sep 2025606 AMAQI
18th Sep 2025597 AMAQI
18th Sep 2025608 AMAQI
18th Sep 2025629 AMAQI
18th Sep 20256410 AMAQI
18th Sep 20256811 AMAQI
18th Sep 20256412 PMAQI
18th Sep 2025641 PMAQI
18th Sep 2025652 PMAQI
18th Sep 2025673 PMAQI
18th Sep 2025684 PMAQI
18th Sep 2025705 PMAQI
18th Sep 2025686 PMAQI
18th Sep 2025687 PMAQI
18th Sep 2025728 PMAQI
18th Sep 2025779 PMAQI
18th Sep 20257010 PMAQI
18th Sep 20256811 PMAQI
19th Sep 20256812 AMAQI
19th Sep 2025691 AMAQI
19th Sep 2025682 AMAQI
19th Sep 2025693 AMAQI
19th Sep 2025704 AMAQI

29°C28/32°C

19th Sep 2025655 AMAQI
19th Sep 2025556 AMAQI
19th Sep 2025557 AMAQI
19th Sep 2025658 AMAQI
19th Sep 2025729 AMAQI
19th Sep 20257210 AMAQI
19th Sep 20257011 AMAQI
19th Sep 20257012 PMAQI
19th Sep 2025761 PMAQI
19th Sep 2025722 PMAQI
19th Sep 2025723 PMAQI
19th Sep 2025714 PMAQI
19th Sep 2025685 PMAQI
19th Sep 2025706 PMAQI
19th Sep 2025717 PMAQI
19th Sep 2025708 PMAQI
19th Sep 2025709 PMAQI
19th Sep 20256910 PMAQI
19th Sep 20257011 PMAQI
20th Sep 20257112 AMAQI
20th Sep 2025671 AMAQI
20th Sep 2025682 AMAQI
20th Sep 2025693 AMAQI
20th Sep 2025684 AMAQI

29°C25/33°C

20th Sep 2025685 AMAQI
20th Sep 2025736 AMAQI
20th Sep 2025717 AMAQI
20th Sep 2025798 AMAQI
20th Sep 2025769 AMAQI
20th Sep 20257410 AMAQI
20th Sep 20257411 AMAQI
20th Sep 20257812 PMAQI
20th Sep 2025821 PMAQI
20th Sep 2025732 PMAQI
20th Sep 2025713 PMAQI
20th Sep 2025704 PMAQI
20th Sep 2025695 PMAQI
20th Sep 2025706 PMAQI
20th Sep 2025707 PMAQI
20th Sep 2025718 PMAQI
20th Sep 2025729 PMAQI
20th Sep 20257310 PMAQI
20th Sep 20257111 PMAQI
21st Sep 20256912 AMAQI
21st Sep 2025721 AMAQI
21st Sep 2025702 AMAQI
21st Sep 2025713 AMAQI
21st Sep 2025724 AMAQI

27°C25/29°C

21st Sep 2025715 AMAQI
21st Sep 2025746 AMAQI
21st Sep 2025737 AMAQI
21st Sep 2025828 AMAQI
21st Sep 2025899 AMAQI
21st Sep 20258710 AMAQI
21st Sep 20258111 AMAQI
21st Sep 20257612 PMAQI
21st Sep 2025721 PMAQI
21st Sep 2025722 PMAQI
21st Sep 2025723 PMAQI
21st Sep 2025764 PMAQI
21st Sep 2025715 PMAQI
21st Sep 2025706 PMAQI
21st Sep 2025737 PMAQI
21st Sep 2025788 PMAQI
21st Sep 2025809 PMAQI
21st Sep 20258010 PMAQI
21st Sep 20257811 PMAQI
22nd Sep 20257712 AMAQI
22nd Sep 2025711 AMAQI
22nd Sep 2025742 AMAQI
22nd Sep 2025743 AMAQI
22nd Sep 2025734 AMAQI

29°C25/32°C

22nd Sep 2025705 AMAQI
22nd Sep 2025646 AMAQI
22nd Sep 2025777 AMAQI
22nd Sep 2025798 AMAQI
22nd Sep 2025809 AMAQI
22nd Sep 20257410 AMAQI
22nd Sep 20257411 AMAQI
22nd Sep 20257312 PMAQI
22nd Sep 2025721 PMAQI
22nd Sep 2025702 PMAQI
22nd Sep 2025703 PMAQI
22nd Sep 2025634 PMAQI
22nd Sep 2025685 PMAQI
22nd Sep 2025726 PMAQI
22nd Sep 2025777 PMAQI
22nd Sep 2025798 PMAQI
22nd Sep 2025799 PMAQI
22nd Sep 20258210 PMAQI
22nd Sep 20258311 PMAQI
23rd Sep 20257712 AMAQI
23rd Sep 2025741 AMAQI
23rd Sep 2025722 AMAQI
23rd Sep 2025743 AMAQI
23rd Sep 2025724 AMAQI

29°C27/32°C

23rd Sep 2025695 AMAQI
23rd Sep 2025676 AMAQI
23rd Sep 2025787 AMAQI
23rd Sep 2025828 AMAQI
23rd Sep 2025869 AMAQI
23rd Sep 20258310 AMAQI
23rd Sep 20257811 AMAQI
23rd Sep 20257812 PMAQI
23rd Sep 2025691 PMAQI
23rd Sep 2025692 PMAQI
23rd Sep 2025693 PMAQI
23rd Sep 2025694 PMAQI
23rd Sep 2025705 PMAQI
23rd Sep 2025716 PMAQI
23rd Sep 2025747 PMAQI
23rd Sep 2025768 PMAQI
23rd Sep 2025789 PMAQI
23rd Sep 20258110 PMAQI
23rd Sep 20258211 PMAQI
24th Sep 20257912 AMAQI
24th Sep 2025741 AMAQI
24th Sep 2025732 AMAQI
24th Sep 2025743 AMAQI
24th Sep 2025734 AMAQI

30°C27/33°C

24th Sep 2025735 AMAQI
24th Sep 2025726 AMAQI
24th Sep 2025767 AMAQI
24th Sep 2025728 AMAQI
24th Sep 2025729 AMAQI
24th Sep 20257210 AMAQI
24th Sep 20257011 AMAQI
24th Sep 20257612 PMAQI
24th Sep 2025771 PMAQI
24th Sep 2025702 PMAQI
24th Sep 2025713 PMAQI
24th Sep 2025764 PMAQI
24th Sep 2025705 PMAQI
24th Sep 2025756 PMAQI
24th Sep 2025807 PMAQI
24th Sep 2025798 PMAQI
24th Sep 2025809 PMAQI
24th Sep 20258010 PMAQI
24th Sep 20257611 PMAQI
25th Sep 20257612 AMAQI
25th Sep 2025741 AMAQI
25th Sep 2025722 AMAQI
25th Sep 2025743 AMAQI
25th Sep 2025744 AMAQI

31°C28/34°C

25th Sep 2025705 AMAQI
25th Sep 2025706 AMAQI
25th Sep 2025827 AMAQI
25th Sep 2025858 AMAQI
25th Sep 2025979 AMAQI
25th Sep 20257410 AMAQI
25th Sep 20257311 AMAQI
25th Sep 20256912 PMAQI
25th Sep 2025841 PMAQI
25th Sep 2025842 PMAQI
25th Sep 2025653 PMAQI
25th Sep 2025624 PMAQI
25th Sep 2025645 PMAQI
25th Sep 2025726 PMAQI
25th Sep 2025837 PMAQI
25th Sep 2025868 PMAQI
25th Sep 20251119 PMAQI
25th Sep 202511610 PMAQI
25th Sep 20259011 PMAQI
26th Sep 20256212 AMAQI
26th Sep 2025561 AMAQI
26th Sep 2025532 AMAQI
26th Sep 2025523 AMAQI
26th Sep 2025524 AMAQI

30°C28/34°C

26th Sep 2025495 AMAQI
26th Sep 2025506 AMAQI
26th Sep 2025557 AMAQI
26th Sep 2025628 AMAQI
26th Sep 2025729 AMAQI
26th Sep 20256810 AMAQI
26th Sep 20256711 AMAQI
26th Sep 20256412 PMAQI
26th Sep 2025621 PMAQI
26th Sep 2025662 PMAQI
26th Sep 2025613 PMAQI
26th Sep 2025614 PMAQI
26th Sep 2025625 PMAQI
26th Sep 2025666 PMAQI
26th Sep 2025727 PMAQI
26th Sep 20251008 PMAQI
26th Sep 20251099 PMAQI
26th Sep 202511810 PMAQI
26th Sep 202510911 PMAQI
27th Sep 20259612 AMAQI
27th Sep 2025881 AMAQI
27th Sep 2025702 AMAQI
27th Sep 2025573 AMAQI
27th Sep 2025504 AMAQI

30°C28/33°C

27th Sep 2025545 AMAQI
27th Sep 2025646 AMAQI
27th Sep 2025677 AMAQI
27th Sep 2025698 AMAQI
27th Sep 2025689 AMAQI
27th Sep 20257110 AMAQI
27th Sep 20256711 AMAQI
27th Sep 20256312 PMAQI
27th Sep 2025631 PMAQI
27th Sep 2025682 PMAQI
27th Sep 2025683 PMAQI
27th Sep 2025654 PMAQI
27th Sep 2025635 PMAQI
27th Sep 2025696 PMAQI
27th Sep 2025667 PMAQI
27th Sep 2025718 PMAQI
27th Sep 2025739 PMAQI
27th Sep 20257010 PMAQI
27th Sep 20257011 PMAQI
28th Sep 20256412 AMAQI
28th Sep 2025611 AMAQI
28th Sep 2025612 AMAQI
28th Sep 2025603 AMAQI
28th Sep 2025594 AMAQI

30°C27/34°C

28th Sep 2025605 AMAQI
28th Sep 2025666 AMAQI
28th Sep 2025717 AMAQI
28th Sep 2025718 AMAQI
28th Sep 2025679 AMAQI
28th Sep 20256110 AMAQI
28th Sep 20255811 AMAQI
28th Sep 20255512 PMAQI
28th Sep 2025541 PMAQI
28th Sep 2025492 PMAQI
28th Sep 2025453 PMAQI
28th Sep 2025494 PMAQI
28th Sep 2025545 PMAQI
28th Sep 2025596 PMAQI
28th Sep 2025697 PMAQI
28th Sep 2025848 PMAQI
28th Sep 20251029 PMAQI
28th Sep 202510010 PMAQI
28th Sep 20258511 PMAQI
29th Sep 20257512 AMAQI
29th Sep 2025671 AMAQI
29th Sep 2025652 AMAQI
29th Sep 2025673 AMAQI
29th Sep 2025614 AMAQI

30°C27/34°C

29th Sep 2025655 AMAQI
29th Sep 2025706 AMAQI
29th Sep 2025677 AMAQI
29th Sep 2025708 AMAQI
29th Sep 2025759 AMAQI
29th Sep 20256910 AMAQI
29th Sep 20257411 AMAQI
29th Sep 20257712 PMAQI
29th Sep 2025741 PMAQI
29th Sep 2025682 PMAQI
29th Sep 2025573 PMAQI
29th Sep 2025644 PMAQI
29th Sep 2025625 PMAQI
29th Sep 2025756 PMAQI
29th Sep 2025807 PMAQI
29th Sep 2025778 PMAQI
29th Sep 2025769 PMAQI
29th Sep 20259110 PMAQI
29th Sep 20258911 PMAQI
30th Sep 20259812 AMAQI
30th Sep 2025981 AMAQI
30th Sep 2025992 AMAQI
30th Sep 2025863 AMAQI
30th Sep 2025694 AMAQI

31°C27/35°C

30th Sep 2025625 AMAQI
30th Sep 2025676 AMAQI
30th Sep 2025827 AMAQI
30th Sep 2025778 AMAQI
30th Sep 2025669 AMAQI
30th Sep 20257710 AMAQI
30th Sep 20258711 AMAQI
30th Sep 20257312 PMAQI
30th Sep 2025701 PMAQI
30th Sep 2025652 PMAQI
30th Sep 2025673 PMAQI
30th Sep 2025654 PMAQI
30th Sep 2025655 PMAQI
30th Sep 2025756 PMAQI
30th Sep 2025677 PMAQI
30th Sep 2025778 PMAQI
30th Sep 20251089 PMAQI
30th Sep 202512310 PMAQI
30th Sep 202515511 PMAQI
1st Oct 202511412 AMAQI
1st Oct 20251111 AMAQI
1st Oct 20251152 AMAQI
1st Oct 20251003 AMAQI
1st Oct 20251024 AMAQI

29°C28/32°C

1st Oct 20251145 AMAQI
1st Oct 20251096 AMAQI
1st Oct 20251117 AMAQI
1st Oct 20251248 AMAQI
1st Oct 2025849 AMAQI
1st Oct 20257510 AMAQI
1st Oct 20257611 AMAQI
1st Oct 20257712 PMAQI
1st Oct 2025851 PMAQI
1st Oct 2025852 PMAQI
1st Oct 2025793 PMAQI
1st Oct 2025814 PMAQI
1st Oct 2025795 PMAQI
1st Oct 2025796 PMAQI
1st Oct 2025807 PMAQI
1st Oct 2025928 PMAQI
1st Oct 2025979 PMAQI
1st Oct 202510710 PMAQI
1st Oct 202511211 PMAQI
2nd Oct 202510512 AMAQI
2nd Oct 20251001 AMAQI
2nd Oct 2025982 AMAQI
2nd Oct 20251103 AMAQI
2nd Oct 20251104 AMAQI

29°C27/31°C

2nd Oct 2025955 AMAQI
2nd Oct 2025786 AMAQI
2nd Oct 2025847 AMAQI
2nd Oct 2025898 AMAQI
2nd Oct 2025949 AMAQI
2nd Oct 20259910 AMAQI
2nd Oct 202510211 AMAQI
2nd Oct 20258712 PMAQI
2nd Oct 2025761 PMAQI
2nd Oct 2025722 PMAQI
2nd Oct 2025753 PMAQI
2nd Oct 2025694 PMAQI
2nd Oct 2025705 PMAQI
2nd Oct 2025686 PMAQI
2nd Oct 2025727 PMAQI
2nd Oct 2025808 PMAQI
2nd Oct 2025969 PMAQI
2nd Oct 20259810 PMAQI
2nd Oct 202512511 PMAQI
3rd Oct 202514012 AMAQI
3rd Oct 20251451 AMAQI
3rd Oct 20251522 AMAQI
3rd Oct 20251573 AMAQI
3rd Oct 20251364 AMAQI

29°C26/33°C

3rd Oct 20251005 AMAQI
3rd Oct 2025826 AMAQI
3rd Oct 2025707 AMAQI
3rd Oct 2025878 AMAQI
3rd Oct 20251069 AMAQI
3rd Oct 202511410 AMAQI
3rd Oct 202512211 AMAQI
3rd Oct 20259912 PMAQI
3rd Oct 20251111 PMAQI
3rd Oct 2025842 PMAQI
3rd Oct 2025733 PMAQI
3rd Oct 2025784 PMAQI
3rd Oct 2025595 PMAQI
3rd Oct 2025826 PMAQI
3rd Oct 2025897 PMAQI
3rd Oct 20251028 PMAQI
3rd Oct 20251129 PMAQI
3rd Oct 202510410 PMAQI
3rd Oct 202511211 PMAQI
4th Oct 202512312 AMAQI
4th Oct 20251211 AMAQI
4th Oct 20251222 AMAQI
4th Oct 20251103 AMAQI
4th Oct 20251124 AMAQI

29°C27/33°C

4th Oct 2025965 AMAQI
4th Oct 2025896 AMAQI
4th Oct 20251017 AMAQI
4th Oct 2025868 AMAQI
4th Oct 2025679 AMAQI
4th Oct 20256110 AMAQI
4th Oct 20255911 AMAQI
4th Oct 20256112 PMAQI
4th Oct 2025631 PMAQI
4th Oct 2025612 PMAQI
4th Oct 2025563 PMAQI
4th Oct 2025594 PMAQI
4th Oct 2025625 PMAQI
4th Oct 2025636 PMAQI
4th Oct 2025687 PMAQI
4th Oct 2025848 PMAQI
4th Oct 2025699 PMAQI
4th Oct 20258610 PMAQI
4th Oct 202512111 PMAQI
5th Oct 202512512 AMAQI
5th Oct 20251451 AMAQI
5th Oct 20251452 AMAQI
5th Oct 20251213 AMAQI
5th Oct 20251044 AMAQI

30°C27/34°C

5th Oct 2025905 AMAQI
5th Oct 20251066 AMAQI
5th Oct 20251127 AMAQI
5th Oct 20251278 AMAQI
5th Oct 20251199 AMAQI
5th Oct 202511210 AMAQI
5th Oct 202510211 AMAQI
5th Oct 20258812 PMAQI
5th Oct 2025681 PMAQI
5th Oct 2025682 PMAQI
5th Oct 2025713 PMAQI
5th Oct 2025774 PMAQI
5th Oct 2025825 PMAQI
5th Oct 2025846 PMAQI
5th Oct 2025917 PMAQI
5th Oct 2025928 PMAQI
5th Oct 2025989 PMAQI
5th Oct 20259610 PMAQI
5th Oct 20259911 PMAQI
6th Oct 20258112 AMAQI
6th Oct 2025761 AMAQI
6th Oct 2025682 AMAQI
6th Oct 2025633 AMAQI
6th Oct 2025604 AMAQI

29°C27/32°C

6th Oct 2025585 AMAQI
6th Oct 2025556 AMAQI
6th Oct 2025537 AMAQI
6th Oct 2025548 AMAQI
6th Oct 2025559 AMAQI
6th Oct 20255810 AMAQI
6th Oct 20256611 AMAQI
6th Oct 20258012 PMAQI
6th Oct 2025861 PMAQI
6th Oct 2025892 PMAQI
6th Oct 2025923 PMAQI
6th Oct 2025894 PMAQI
6th Oct 20251045 PMAQI
6th Oct 20251056 PMAQI
6th Oct 20251167 PMAQI
6th Oct 20251358 PMAQI
6th Oct 20251519 PMAQI
6th Oct 202514110 PMAQI

30°C27/33°C

7th Oct 20251205 PMAQI
7th Oct 2025976 PMAQI
7th Oct 20251007 PMAQI
7th Oct 20251028 PMAQI
7th Oct 20251109 PMAQI
7th Oct 202510610 PMAQI
7th Oct 202510111 PMAQI
8th Oct 202510112 AMAQI
8th Oct 2025921 AMAQI
8th Oct 2025952 AMAQI
8th Oct 2025923 AMAQI
8th Oct 2025924 AMAQI

29°C27/32°C

8th Oct 20251055 AMAQI
8th Oct 2025986 AMAQI
8th Oct 20251187 AMAQI
8th Oct 20251248 AMAQI
8th Oct 20251419 AMAQI
8th Oct 202514810 AMAQI
8th Oct 202513211 AMAQI
8th Oct 202510112 PMAQI
8th Oct 20251071 PMAQI
8th Oct 2025962 PMAQI
8th Oct 2025963 PMAQI
8th Oct 2025924 PMAQI
8th Oct 2025925 PMAQI
8th Oct 2025886 PMAQI
8th Oct 2025887 PMAQI
8th Oct 2025998 PMAQI
8th Oct 2025899 PMAQI
8th Oct 20259110 PMAQI
8th Oct 20258911 PMAQI
9th Oct 20259512 AMAQI
9th Oct 2025881 AMAQI
9th Oct 2025882 AMAQI
9th Oct 2025853 AMAQI
9th Oct 2025794 AMAQI

29°C27/31°C

9th Oct 2025815 AMAQI
9th Oct 2025836 AMAQI
9th Oct 2025847 AMAQI
9th Oct 20251068 AMAQI
9th Oct 2025969 AMAQI
9th Oct 202511310 AMAQI
9th Oct 202511811 AMAQI
9th Oct 202511912 PMAQI
9th Oct 20251101 PMAQI
9th Oct 20251162 PMAQI
9th Oct 20251223 PMAQI
9th Oct 20251324 PMAQI
9th Oct 20251295 PMAQI
9th Oct 20251096 PMAQI
9th Oct 2025987 PMAQI
9th Oct 20251148 PMAQI
9th Oct 20251129 PMAQI
9th Oct 20258910 PMAQI
9th Oct 20258911 PMAQI
10th Oct 20259512 AMAQI
10th Oct 2025811 AMAQI
10th Oct 2025722 AMAQI
10th Oct 2025803 AMAQI
10th Oct 2025764 AMAQI

28°C27/31°C

10th Oct 2025785 AMAQI
10th Oct 2025756 AMAQI
10th Oct 2025807 AMAQI
10th Oct 2025808 AMAQI
10th Oct 2025839 AMAQI
10th Oct 202510410 AMAQI
10th Oct 202511511 AMAQI
10th Oct 202513512 PMAQI
10th Oct 20251381 PMAQI
10th Oct 20251262 PMAQI
10th Oct 20251233 PMAQI
10th Oct 20251274 PMAQI
10th Oct 20251215 PMAQI
10th Oct 20251086 PMAQI
10th Oct 2025977 PMAQI
10th Oct 2025988 PMAQI
10th Oct 20251029 PMAQI
10th Oct 202510310 PMAQI
10th Oct 202510011 PMAQI
11th Oct 20258812 AMAQI
11th Oct 2025841 AMAQI
11th Oct 20251062 AMAQI
11th Oct 20251113 AMAQI
11th Oct 20251224 AMAQI

28°C26/31°C

11th Oct 20251145 AMAQI
11th Oct 20251136 AMAQI
11th Oct 20251247 AMAQI
11th Oct 20251318 AMAQI
11th Oct 20251269 AMAQI
11th Oct 202512710 AMAQI
11th Oct 202514411 AMAQI
11th Oct 202513212 PMAQI
11th Oct 20251311 PMAQI
11th Oct 20251152 PMAQI
11th Oct 20251073 PMAQI
11th Oct 20251204 PMAQI
11th Oct 20251285 PMAQI
11th Oct 20251386 PMAQI
11th Oct 20251347 PMAQI
11th Oct 20251468 PMAQI
11th Oct 20251429 PMAQI
11th Oct 202514610 PMAQI
11th Oct 202513911 PMAQI
12th Oct 202513912 AMAQI
12th Oct 20251351 AMAQI
12th Oct 20251352 AMAQI

--°C/°C

5 AM
11 AM
6 PM
11 PM
4 AM

--°C/°C

Day time
Avg. Highest Time
8 AM - 11 AM

83AQI

4 hours / Day
120 hours / Month
Avg. Lowest Time
6 AM

74AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 AM to 11 AM (Avg. 83), while the lowest AQI was between 6 AM to 6 AM (Avg. 74).
Night time
Avg. Highest Time
9 PM - 11 PM

94AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
3 AM - 7 PM

81AQI

3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 PM to 11 PM (Avg. 94), while the lowest AQI was between 3 AM to 7 PM (Avg. 81).

2025 Days Vs Air Quality

Korattur, Chennai, Tamil Nadu, India

2025

79%

225

20%

58

0.3%

1

Total number of days with different AQI categories in last 284 days in 2025 (81 days remaining)

Good
0 Days
Moderate
225 Days
Poor
58 Days
Unhealthy
1 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 0%

Health Risk Level:

Extreme

In 2025, 0% of 284 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

Korattur, 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
116AQI
2nd January 2025
124AQI
3rd January 2025
130AQI
4th January 2025
137AQI
5th January 2025
143AQI
6th January 2025
149AQI
7th January 2025
142AQI
8th January 2025
148AQI
9th January 2025
143AQI
10th January 2025
143AQI
11th January 2025
114AQI
12th January 2025
119AQI
13th January 2025
116AQI
14th January 2025
94AQI
15th January 2025
92AQI
16th January 2025
127AQI
17th January 2025
138AQI
18th January 2025
124AQI
19th January 2025
109AQI
20th January 2025
131AQI
21st January 2025
127AQI
22nd January 2025
136AQI
23rd January 2025
115AQI
24th January 2025
109AQI
25th January 2025
107AQI
26th January 2025
104AQI
27th January 2025
107AQI
28th January 2025
131AQI
29th January 2025
129AQI
30th January 2025
125AQI
31st January 2025
100AQI
1st February 2025
90AQI
2nd February 2025
87AQI
3rd February 2025
89AQI
4th February 2025
103AQI
5th February 2025
121AQI
6th February 2025
122AQI
7th February 2025
136AQI
8th February 2025
127AQI
9th February 2025
134AQI
10th February 2025
153AQI
11th February 2025
117AQI
12th February 2025
121AQI
13th February 2025
104AQI
14th February 2025
103AQI
15th February 2025
95AQI
16th February 2025
104AQI
17th February 2025
118AQI
18th February 2025
123AQI
19th February 2025
119AQI
20th February 2025
111AQI
21st February 2025
97AQI
22nd February 2025
97AQI
23rd February 2025
95AQI
24th February 2025
98AQI
25th February 2025
107AQI
26th February 2025
110AQI
27th February 2025
106AQI
28th February 2025
106AQI
1st March 2025
87AQI
2nd March 2025
83AQI
3rd March 2025
85AQI
4th March 2025
85AQI
5th March 2025
84AQI
6th March 2025
104AQI
7th March 2025
118AQI
8th March 2025
106AQI
9th March 2025
92AQI
10th March 2025
96AQI
11th March 2025
98AQI
12th March 2025
94AQI
13th March 2025
91AQI
14th March 2025
96AQI
15th March 2025
64AQI
16th March 2025
69AQI
17th March 2025
101AQI
18th March 2025
91AQI
19th March 2025
91AQI
20th March 2025
92AQI
21st March 2025
84AQI
22nd March 2025
81AQI
23rd March 2025
75AQI
24th March 2025
84AQI
25th March 2025
87AQI
26th March 2025
92AQI
27th March 2025
108AQI
28th March 2025
99AQI
29th March 2025
106AQI
30th March 2025
91AQI
31st March 2025
96AQI
1st April 2025
99AQI
2nd April 2025
86AQI
3rd April 2025
73AQI
4th April 2025
78AQI
5th April 2025
70AQI
6th April 2025
68AQI
7th April 2025
66AQI
8th April 2025
70AQI
9th April 2025
65AQI
10th April 2025
78AQI
11th April 2025
82AQI
12th April 2025
90AQI
13th April 2025
86AQI
14th April 2025
79AQI
15th April 2025
71AQI
16th April 2025
74AQI
17th April 2025
75AQI
18th April 2025
73AQI
19th April 2025
83AQI
20th April 2025
82AQI
21st April 2025
85AQI
22nd April 2025
79AQI
23rd April 2025
76AQI
24th April 2025
73AQI
25th April 2025
75AQI
26th April 2025
73AQI
27th April 2025
65AQI
28th April 2025
60AQI
29th April 2025
61AQI
30th April 2025
62AQI
1st May 2025
69AQI
2nd May 2025
70AQI
3rd May 2025
80AQI
4th May 2025
78AQI
5th May 2025
82AQI
6th May 2025
80AQI
7th May 2025
83AQI
8th May 2025
91AQI
9th May 2025
92AQI
10th May 2025
96AQI
11th May 2025
94AQI
12th May 2025
95AQI
13th May 2025
99AQI
14th May 2025
95AQI
15th May 2025
97AQI
16th May 2025
94AQI
17th May 2025
94AQI
18th May 2025
87AQI
19th May 2025
78AQI
20th May 2025
80AQI
21st May 2025
68AQI
22nd May 2025
80AQI
23rd May 2025
78AQI
24th May 2025
72AQI
25th May 2025
71AQI
26th May 2025
67AQI
27th May 2025
75AQI
28th May 2025
86AQI
29th May 2025
76AQI
30th May 2025
84AQI
31st May 2025
86AQI
1st June 2025
83AQI
2nd June 2025
85AQI
3rd June 2025
81AQI
4th June 2025
83AQI
5th June 2025
88AQI
6th June 2025
95AQI
7th June 2025
95AQI
8th June 2025
86AQI
9th June 2025
88AQI
10th June 2025
90AQI
11th June 2025
92AQI
12th June 2025
91AQI
13th June 2025
85AQI
14th June 2025
79AQI
15th June 2025
75AQI
16th June 2025
73AQI
17th June 2025
76AQI
18th June 2025
75AQI
19th June 2025
75AQI
20th June 2025
73AQI
21st June 2025
72AQI
22nd June 2025
73AQI
23rd June 2025
71AQI
24th June 2025
71AQI
25th June 2025
71AQI
26th June 2025
69AQI
27th June 2025
69AQI
28th June 2025
66AQI
29th June 2025
65AQI
30th June 2025
64AQI
1st July 2025
66AQI
2nd July 2025
70AQI
3rd July 2025
66AQI
4th July 2025
65AQI
5th July 2025
66AQI
6th July 2025
64AQI
7th July 2025
65AQI
8th July 2025
70AQI
9th July 2025
70AQI
10th July 2025
72AQI
11th July 2025
75AQI
12th July 2025
75AQI
13th July 2025
75AQI
14th July 2025
73AQI
15th July 2025
73AQI
16th July 2025
72AQI
17th July 2025
72AQI
18th July 2025
71AQI
19th July 2025
72AQI
20th July 2025
70AQI
21st July 2025
72AQI
22nd July 2025
71AQI
23rd July 2025
69AQI
24th July 2025
71AQI
25th July 2025
70AQI
26th July 2025
67AQI
27th July 2025
67AQI
28th July 2025
65AQI
29th July 2025
65AQI
30th July 2025
66AQI
31st July 2025
68AQI
1st August 2025
68AQI
2nd August 2025
73AQI
3rd August 2025
73AQI
4th August 2025
70AQI
5th August 2025
66AQI
6th August 2025
70AQI
7th August 2025
72AQI
8th August 2025
73AQI
9th August 2025
74AQI
10th August 2025
72AQI
11th August 2025
67AQI
12th August 2025
69AQI
13th August 2025
64AQI
14th August 2025
63AQI
15th August 2025
61AQI
16th August 2025
61AQI
17th August 2025
58AQI
18th August 2025
59AQI
19th August 2025
59AQI
20th August 2025
61AQI
21st August 2025
66AQI
22nd August 2025
68AQI
23rd August 2025
64AQI
24th August 2025
66AQI
25th August 2025
64AQI
26th August 2025
65AQI
27th August 2025
66AQI
28th August 2025
66AQI
29th August 2025
69AQI
30th August 2025
68AQI
31st August 2025
67AQI
1st September 2025
68AQI
2nd September 2025
67AQI
3rd September 2025
67AQI
4th September 2025
68AQI
5th September 2025
65AQI
6th September 2025
71AQI
7th September 2025
71AQI
8th September 2025
71AQI
9th September 2025
78AQI
10th September 2025
80AQI
11th September 2025
77AQI
12th September 2025
81AQI
13th September 2025
83AQI
14th September 2025
79AQI
15th September 2025
77AQI
16th September 2025
74AQI
17th September 2025
69AQI
18th September 2025
69AQI
19th September 2025
68AQI
20th September 2025
72AQI
21st September 2025
74AQI
22nd September 2025
75AQI
23rd September 2025
76AQI
24th September 2025
76AQI
25th September 2025
80AQI
26th September 2025
70AQI
27th September 2025
72AQI
28th September 2025
67AQI
29th September 2025
73AQI
30th September 2025
85AQI
1st October 2025
99AQI
2nd October 2025
91AQI
3rd October 2025
110AQI
4th October 2025
91AQI
5th October 2025
110AQI
6th October 2025
93AQI
7th October 2025
104AQI
8th October 2025
101AQI
9th October 2025
99AQI
10th October 2025
99AQI
11th October 2025
104AQI
12th October 2025
13th October 2025
14th October 2025
15th October 2025
16th October 2025
17th October 2025
18th October 2025
19th October 2025
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

124AQI

110AQI

91AQI

75AQI

83AQI

79AQI

69AQI

67AQI

73AQI

100AQI

No. of days

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

202586AQI

3
28
8
19
1
25
6
30
31
30
31
31
30
6
5
225
58
1

Highest AQI recorded in

January

124AQI

Lowest AQI recorded in

August

67AQI

202474AQI

11
16
2
1
1
1
10
18
2
21
8
13
17
17
14
4
26
8
23
25
6
9
21
8
18
4
1
3
9
18
18
13
90
194
77
3
1
1

Highest AQI recorded in

January

121AQI

Lowest AQI recorded in

August

43AQI

202383AQI

8
20
3
16
12
8
20
3
4
25
1
1
29
1
29
1
1
30
31
6
24
2
21
8
5
14
10
6
18
6
1
27
253
74
9
1

Highest AQI recorded in

December

126AQI

Lowest AQI recorded in

September

59AQI

202282AQI

3
17
11
24
4
16
15
10
17
1
19
9
2
1
29
8
21
2
10
26
2
3
14
9
4
1
3
14
13
3
14
9
5
34
221
72
11
1

Highest AQI recorded in

October

102AQI

Lowest AQI recorded in

April

54AQI

202185AQI

2
13
5
1
2
19
10
6
21
3
1
7
19
3
11
60
37
4

Highest AQI recorded in

December

109AQI

Lowest AQI recorded in

November

66AQI

Most & Least Polluted Years Over the Last 5 Years

Most Polluted Year Recorded
2025(Avg.)
86AQI
Least Polluted Year Recorded
2024(Avg.)
74AQI

Korattur's annual 2025 AQI (86) shows an average percentage change of 6.8% (worsened AQI) compared to previous years: 2021 (85), 2022 (82), 2023 (83), 2024 (74).