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Thirumurugan Salai, 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

Thirumurugan Salai, Chennai, Tamil Nadu, India

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
24th Oct 2022
213AQI
Lowest AQI recorded on
9th Oct 2023
31AQI

Same Day Analysis (11th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 89 of Moderate air quality, showing improvement over 2023 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

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

Thirumurugan Salai, Chennai, Tamil Nadu, India

AQI
Day
Night
.

5 AM11th Oct 2025

6 PM

4 AM12th Oct 2025

Day time
Avg. Highest Time
4PM11th Oct

100AQI

Avg. Lowest Time
8AM11th Oct

87AQI

Night time
Avg. Highest Time
10PM11th Oct

105AQI

Avg. Lowest Time
1AM12th Oct

90AQI

In the last 24 hours,

Thirumurugan Salai's AQI reached its highest point of 105 at 10 PM during the Night, while the lowest point, 87, was recorded at 8 AM during the Day between 11th Oct and 12th Oct 2025.

Day & Night AQI Trend : Sep - Oct 2025

Thirumurugan Salai, 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 2025735 AMAQI
12th Sep 2025706 AMAQI
12th Sep 2025797 AMAQI
12th Sep 2025768 AMAQI
12th Sep 2025839 AMAQI
12th Sep 20258810 AMAQI
12th Sep 20258611 AMAQI
12th Sep 20257812 PMAQI
12th Sep 2025781 PMAQI
12th Sep 2025792 PMAQI
12th Sep 2025773 PMAQI
12th Sep 2025764 PMAQI
12th Sep 2025745 PMAQI
12th Sep 2025806 PMAQI
12th Sep 2025837 PMAQI
12th Sep 2025808 PMAQI
12th Sep 2025939 PMAQI
12th Sep 20258610 PMAQI
12th Sep 20258211 PMAQI
13th Sep 20258212 AMAQI
13th Sep 2025791 AMAQI
13th Sep 2025782 AMAQI
13th Sep 2025763 AMAQI
13th Sep 2025804 AMAQI

30°C27/34°C

13th Sep 2025995 AMAQI
13th Sep 2025846 AMAQI
13th Sep 20251067 AMAQI
13th Sep 20251068 AMAQI
13th Sep 2025899 AMAQI
13th Sep 20257610 AMAQI
13th Sep 20258411 AMAQI
13th Sep 20258112 PMAQI
13th Sep 2025821 PMAQI
13th Sep 2025802 PMAQI
13th Sep 2025803 PMAQI
13th Sep 2025824 PMAQI
13th Sep 2025805 PMAQI
13th Sep 2025816 PMAQI
13th Sep 2025827 PMAQI
13th Sep 2025828 PMAQI
13th Sep 2025849 PMAQI
13th Sep 20258510 PMAQI
13th Sep 20258811 PMAQI
14th Sep 20258212 AMAQI
14th Sep 2025831 AMAQI
14th Sep 2025822 AMAQI
14th Sep 2025813 AMAQI
14th Sep 2025814 AMAQI

30°C27/34°C

14th Sep 2025815 AMAQI
14th Sep 2025626 AMAQI
14th Sep 2025687 AMAQI
14th Sep 2025638 AMAQI
14th Sep 2025729 AMAQI
14th Sep 20257010 AMAQI
14th Sep 20257811 AMAQI
14th Sep 20257212 PMAQI
14th Sep 2025701 PMAQI
14th Sep 2025752 PMAQI
14th Sep 2025663 PMAQI
14th Sep 2025734 PMAQI
14th Sep 2025785 PMAQI
14th Sep 2025746 PMAQI
14th Sep 2025807 PMAQI
14th Sep 2025828 PMAQI
14th Sep 2025869 PMAQI
14th Sep 20258810 PMAQI
14th Sep 20258011 PMAQI
15th Sep 20257612 AMAQI
15th Sep 2025781 AMAQI
15th Sep 2025822 AMAQI
15th Sep 2025783 AMAQI
15th Sep 2025794 AMAQI

30°C27/34°C

15th Sep 2025685 AMAQI
15th Sep 2025706 AMAQI
15th Sep 2025687 AMAQI
15th Sep 2025708 AMAQI
15th Sep 2025679 AMAQI
15th Sep 20257310 AMAQI
15th Sep 20257111 AMAQI
15th Sep 20258112 PMAQI
15th Sep 2025651 PMAQI
15th Sep 2025762 PMAQI
15th Sep 2025693 PMAQI
15th Sep 2025724 PMAQI
15th Sep 2025765 PMAQI
15th Sep 2025766 PMAQI
15th Sep 2025797 PMAQI
15th Sep 2025778 PMAQI
15th Sep 2025869 PMAQI
15th Sep 20258310 PMAQI
15th Sep 20258211 PMAQI
16th Sep 20257812 AMAQI
16th Sep 2025741 AMAQI
16th Sep 2025752 AMAQI
16th Sep 2025743 AMAQI
16th Sep 2025744 AMAQI

30°C27/35°C

16th Sep 2025735 AMAQI
16th Sep 2025686 AMAQI
16th Sep 2025577 AMAQI
16th Sep 2025658 AMAQI
16th Sep 2025709 AMAQI
16th Sep 20257910 AMAQI
16th Sep 20256711 AMAQI
16th Sep 20256412 PMAQI
16th Sep 2025661 PMAQI
16th Sep 2025642 PMAQI
16th Sep 2025623 PMAQI
16th Sep 2025694 PMAQI
16th Sep 2025705 PMAQI
16th Sep 2025726 PMAQI
16th Sep 2025787 PMAQI
16th Sep 2025748 PMAQI
16th Sep 2025789 PMAQI
16th Sep 20257610 PMAQI
16th Sep 20257411 PMAQI
17th Sep 20257012 AMAQI
17th Sep 2025721 AMAQI
17th Sep 2025742 AMAQI
17th Sep 2025713 AMAQI
17th Sep 2025724 AMAQI

30°C28/34°C

17th Sep 2025685 AMAQI
17th Sep 2025626 AMAQI
17th Sep 2025627 AMAQI
17th Sep 2025638 AMAQI
17th Sep 2025649 AMAQI
17th Sep 20256410 AMAQI
17th Sep 20256511 AMAQI
17th Sep 20256412 PMAQI
17th Sep 2025591 PMAQI
17th Sep 2025622 PMAQI
17th Sep 2025663 PMAQI
17th Sep 2025624 PMAQI
17th Sep 2025645 PMAQI
17th Sep 2025676 PMAQI
17th Sep 2025697 PMAQI
17th Sep 2025688 PMAQI
17th Sep 2025709 PMAQI
17th Sep 20257010 PMAQI
17th Sep 20256811 PMAQI
18th Sep 20256812 AMAQI
18th Sep 2025691 AMAQI
18th Sep 2025702 AMAQI
18th Sep 2025683 AMAQI
18th Sep 2025694 AMAQI

30°C28/33°C

18th Sep 2025735 AMAQI
18th Sep 2025626 AMAQI
18th Sep 2025687 AMAQI
18th Sep 2025648 AMAQI
18th Sep 2025609 AMAQI
18th Sep 20255910 AMAQI
18th Sep 20256411 AMAQI
18th Sep 20256212 PMAQI
18th Sep 2025641 PMAQI
18th Sep 2025672 PMAQI
18th Sep 2025683 PMAQI
18th Sep 2025724 PMAQI
18th Sep 2025695 PMAQI
18th Sep 2025676 PMAQI
18th Sep 2025687 PMAQI
18th Sep 2025748 PMAQI
18th Sep 2025769 PMAQI
18th Sep 20256810 PMAQI
18th Sep 20257011 PMAQI
19th Sep 20256812 AMAQI
19th Sep 2025691 AMAQI
19th Sep 2025692 AMAQI
19th Sep 2025693 AMAQI
19th Sep 2025694 AMAQI

30°C27/34°C

19th Sep 2025655 AMAQI
19th Sep 2025576 AMAQI
19th Sep 2025627 AMAQI
19th Sep 2025688 AMAQI
19th Sep 2025839 AMAQI
19th Sep 20257710 AMAQI
19th Sep 20257411 AMAQI
19th Sep 20257312 PMAQI
19th Sep 2025701 PMAQI
19th Sep 2025702 PMAQI
19th Sep 2025713 PMAQI
19th Sep 2025704 PMAQI
19th Sep 2025695 PMAQI
19th Sep 2025676 PMAQI
19th Sep 2025687 PMAQI
19th Sep 2025718 PMAQI
19th Sep 2025699 PMAQI
19th Sep 20256810 PMAQI
19th Sep 20257011 PMAQI
20th Sep 20257012 AMAQI
20th Sep 2025681 AMAQI
20th Sep 2025692 AMAQI
20th Sep 2025703 AMAQI
20th Sep 2025684 AMAQI

28°C25/34°C

20th Sep 2025705 AMAQI
20th Sep 2025816 AMAQI
20th Sep 2025787 AMAQI
20th Sep 2025788 AMAQI
20th Sep 2025729 AMAQI
20th Sep 20257010 AMAQI
20th Sep 20257011 AMAQI
20th Sep 20257912 PMAQI
20th Sep 2025791 PMAQI
20th Sep 2025712 PMAQI
20th Sep 2025723 PMAQI
20th Sep 2025724 PMAQI
20th Sep 2025705 PMAQI
20th Sep 2025716 PMAQI
20th Sep 2025717 PMAQI
20th Sep 2025698 PMAQI
20th Sep 2025689 PMAQI
20th Sep 20257210 PMAQI
20th Sep 20257311 PMAQI
21st Sep 20257212 AMAQI
21st Sep 2025721 AMAQI
21st Sep 2025702 AMAQI
21st Sep 2025713 AMAQI
21st Sep 2025724 AMAQI

26°C25/29°C

21st Sep 2025725 AMAQI
21st Sep 2025836 AMAQI
21st Sep 2025737 AMAQI
21st Sep 2025908 AMAQI
21st Sep 2025909 AMAQI
21st Sep 20258810 AMAQI
21st Sep 20258111 AMAQI
21st Sep 20257612 PMAQI
21st Sep 2025791 PMAQI
21st Sep 2025722 PMAQI
21st Sep 2025753 PMAQI
21st Sep 2025814 PMAQI
21st Sep 2025815 PMAQI
21st Sep 2025776 PMAQI
21st Sep 2025797 PMAQI
21st Sep 2025788 PMAQI
21st Sep 2025859 PMAQI
21st Sep 20258210 PMAQI
21st Sep 20258211 PMAQI
22nd Sep 20257812 AMAQI
22nd Sep 2025731 AMAQI
22nd Sep 2025752 AMAQI
22nd Sep 2025753 AMAQI
22nd Sep 2025754 AMAQI

29°C25/34°C

22nd Sep 2025745 AMAQI
22nd Sep 2025726 AMAQI
22nd Sep 2025827 AMAQI
22nd Sep 2025888 AMAQI
22nd Sep 2025839 AMAQI
22nd Sep 20258210 AMAQI
22nd Sep 20257611 AMAQI
22nd Sep 20257512 PMAQI
22nd Sep 2025741 PMAQI
22nd Sep 2025762 PMAQI
22nd Sep 2025743 PMAQI
22nd Sep 2025644 PMAQI
22nd Sep 2025705 PMAQI
22nd Sep 2025716 PMAQI
22nd Sep 2025747 PMAQI
22nd Sep 2025778 PMAQI
22nd Sep 2025759 PMAQI
22nd Sep 20257710 PMAQI
22nd Sep 20257711 PMAQI
23rd Sep 20257412 AMAQI
23rd Sep 2025761 AMAQI
23rd Sep 2025752 AMAQI
23rd Sep 2025763 AMAQI
23rd Sep 2025764 AMAQI

30°C26/33°C

23rd Sep 2025745 AMAQI
23rd Sep 2025776 AMAQI
23rd Sep 2025847 AMAQI
23rd Sep 2025928 AMAQI
23rd Sep 20251119 AMAQI
23rd Sep 20258010 AMAQI
23rd Sep 20257711 AMAQI
23rd Sep 20257012 PMAQI
23rd Sep 2025651 PMAQI
23rd Sep 2025652 PMAQI
23rd Sep 2025663 PMAQI
23rd Sep 2025744 PMAQI
23rd Sep 2025735 PMAQI
23rd Sep 2025716 PMAQI
23rd Sep 2025747 PMAQI
23rd Sep 2025768 PMAQI
23rd Sep 2025759 PMAQI
23rd Sep 20257610 PMAQI
23rd Sep 20257411 PMAQI
24th Sep 20257412 AMAQI
24th Sep 2025761 AMAQI
24th Sep 2025742 AMAQI
24th Sep 2025753 AMAQI
24th Sep 2025774 AMAQI

30°C27/33°C

24th Sep 2025765 AMAQI
24th Sep 2025846 AMAQI
24th Sep 2025837 AMAQI
24th Sep 2025748 AMAQI
24th Sep 2025799 AMAQI
24th Sep 20257510 AMAQI
24th Sep 20256511 AMAQI
24th Sep 20257112 PMAQI
24th Sep 2025701 PMAQI
24th Sep 2025682 PMAQI
24th Sep 2025703 PMAQI
24th Sep 2025754 PMAQI
24th Sep 2025705 PMAQI
24th Sep 2025706 PMAQI
24th Sep 2025727 PMAQI
24th Sep 2025748 PMAQI
24th Sep 2025749 PMAQI
24th Sep 20257510 PMAQI
24th Sep 20257511 PMAQI
25th Sep 20257412 AMAQI
25th Sep 2025771 AMAQI
25th Sep 2025772 AMAQI
25th Sep 2025763 AMAQI
25th Sep 2025774 AMAQI

30°C27/35°C

25th Sep 2025745 AMAQI
25th Sep 2025726 AMAQI
25th Sep 2025747 AMAQI
25th Sep 2025828 AMAQI
25th Sep 2025929 AMAQI
25th Sep 20257710 AMAQI
25th Sep 20257211 AMAQI
25th Sep 20257412 PMAQI
25th Sep 2025811 PMAQI
25th Sep 2025822 PMAQI
25th Sep 2025713 PMAQI
25th Sep 2025714 PMAQI
25th Sep 2025695 PMAQI
25th Sep 2025676 PMAQI
25th Sep 2025697 PMAQI
25th Sep 2025698 PMAQI
25th Sep 2025719 PMAQI
25th Sep 20257210 PMAQI
25th Sep 20257111 PMAQI
26th Sep 20256612 AMAQI
26th Sep 2025631 AMAQI
26th Sep 2025632 AMAQI
26th Sep 2025613 AMAQI
26th Sep 2025594 AMAQI

31°C27/35°C

26th Sep 2025615 AMAQI
26th Sep 2025546 AMAQI
26th Sep 2025557 AMAQI
26th Sep 2025678 AMAQI
26th Sep 2025719 AMAQI
26th Sep 20256910 AMAQI
26th Sep 20256711 AMAQI
26th Sep 20256312 PMAQI
26th Sep 2025611 PMAQI
26th Sep 2025612 PMAQI
26th Sep 2025613 PMAQI
26th Sep 2025584 PMAQI
26th Sep 2025585 PMAQI
26th Sep 2025586 PMAQI
26th Sep 2025597 PMAQI
26th Sep 2025658 PMAQI
26th Sep 2025709 PMAQI
26th Sep 20257510 PMAQI
26th Sep 20257211 PMAQI
27th Sep 20256812 AMAQI
27th Sep 2025671 AMAQI
27th Sep 2025662 AMAQI
27th Sep 2025653 AMAQI
27th Sep 2025654 AMAQI

30°C27/34°C

27th Sep 2025685 AMAQI
27th Sep 2025646 AMAQI
27th Sep 2025607 AMAQI
27th Sep 2025688 AMAQI
27th Sep 2025699 AMAQI
27th Sep 20256510 AMAQI
27th Sep 20256111 AMAQI
27th Sep 20256012 PMAQI
27th Sep 2025591 PMAQI
27th Sep 2025612 PMAQI
27th Sep 2025573 PMAQI
27th Sep 2025564 PMAQI
27th Sep 2025565 PMAQI
27th Sep 2025576 PMAQI
27th Sep 2025647 PMAQI
27th Sep 2025698 PMAQI
27th Sep 2025689 PMAQI
27th Sep 20256010 PMAQI
27th Sep 20256011 PMAQI
28th Sep 20255912 AMAQI
28th Sep 2025591 AMAQI
28th Sep 2025572 AMAQI
28th Sep 2025553 AMAQI
28th Sep 2025544 AMAQI

30°C27/35°C

28th Sep 2025545 AMAQI
28th Sep 2025536 AMAQI
28th Sep 2025577 AMAQI
28th Sep 2025618 AMAQI
28th Sep 2025599 AMAQI
28th Sep 20255710 AMAQI
28th Sep 20255611 AMAQI
28th Sep 20255412 PMAQI
28th Sep 2025521 PMAQI
28th Sep 2025542 PMAQI
28th Sep 2025563 PMAQI
28th Sep 2025554 PMAQI
28th Sep 2025555 PMAQI
28th Sep 2025576 PMAQI
28th Sep 2025607 PMAQI
28th Sep 2025678 PMAQI
28th Sep 2025669 PMAQI
28th Sep 20256310 PMAQI
28th Sep 20256611 PMAQI
29th Sep 20256212 AMAQI
29th Sep 2025601 AMAQI
29th Sep 2025662 AMAQI
29th Sep 2025663 AMAQI
29th Sep 2025684 AMAQI

31°C27/36°C

29th Sep 2025765 AMAQI
29th Sep 2025726 AMAQI
29th Sep 2025647 AMAQI
29th Sep 2025718 AMAQI
29th Sep 2025849 AMAQI
29th Sep 20257310 AMAQI
29th Sep 20256811 AMAQI
29th Sep 20255712 PMAQI
29th Sep 2025661 PMAQI
29th Sep 2025642 PMAQI
29th Sep 2025593 PMAQI
29th Sep 2025664 PMAQI
29th Sep 2025735 PMAQI
29th Sep 2025666 PMAQI
29th Sep 2025647 PMAQI
29th Sep 2025578 PMAQI
29th Sep 2025709 PMAQI
29th Sep 20256810 PMAQI
29th Sep 20257511 PMAQI
30th Sep 20258212 AMAQI
30th Sep 20251021 AMAQI
30th Sep 20251222 AMAQI
30th Sep 20251013 AMAQI
30th Sep 2025714 AMAQI

31°C27/36°C

30th Sep 2025695 AMAQI
30th Sep 2025766 AMAQI
30th Sep 2025927 AMAQI
30th Sep 2025728 AMAQI
30th Sep 2025749 AMAQI
30th Sep 20257010 AMAQI
30th Sep 20255111 AMAQI
30th Sep 20255212 PMAQI
30th Sep 2025561 PMAQI
30th Sep 2025512 PMAQI
30th Sep 2025523 PMAQI
30th Sep 2025514 PMAQI
30th Sep 2025605 PMAQI
30th Sep 2025676 PMAQI
30th Sep 2025677 PMAQI
30th Sep 2025598 PMAQI
30th Sep 2025799 PMAQI
30th Sep 20256110 PMAQI
30th Sep 20254611 PMAQI
1st Oct 20256612 AMAQI
1st Oct 2025751 AMAQI
1st Oct 2025772 AMAQI
1st Oct 2025623 AMAQI
1st Oct 2025504 AMAQI

30°C27/34°C

1st Oct 2025745 AMAQI
1st Oct 2025686 AMAQI
1st Oct 2025807 AMAQI
1st Oct 2025828 AMAQI
1st Oct 2025779 AMAQI
1st Oct 202511010 AMAQI
1st Oct 202510011 AMAQI
1st Oct 20257712 PMAQI
1st Oct 2025781 PMAQI
1st Oct 2025792 PMAQI
1st Oct 2025843 PMAQI
1st Oct 2025744 PMAQI
1st Oct 2025715 PMAQI
1st Oct 2025726 PMAQI
1st Oct 2025737 PMAQI
1st Oct 2025748 PMAQI
1st Oct 2025759 PMAQI
1st Oct 20258410 PMAQI
1st Oct 20257811 PMAQI
2nd Oct 20257812 AMAQI
2nd Oct 2025741 AMAQI
2nd Oct 2025742 AMAQI
2nd Oct 2025723 AMAQI
2nd Oct 2025734 AMAQI

29°C26/32°C

2nd Oct 2025725 AMAQI
2nd Oct 2025746 AMAQI
2nd Oct 2025747 AMAQI
2nd Oct 2025798 AMAQI
2nd Oct 2025789 AMAQI
2nd Oct 20258010 AMAQI
2nd Oct 20258011 AMAQI
2nd Oct 20257612 PMAQI
2nd Oct 2025751 PMAQI
2nd Oct 2025702 PMAQI
2nd Oct 2025703 PMAQI
2nd Oct 2025664 PMAQI
2nd Oct 2025625 PMAQI
2nd Oct 2025646 PMAQI
2nd Oct 2025667 PMAQI
2nd Oct 2025718 PMAQI
2nd Oct 2025739 PMAQI
2nd Oct 20257710 PMAQI
2nd Oct 20257511 PMAQI
3rd Oct 20257712 AMAQI
3rd Oct 2025911 AMAQI
3rd Oct 2025852 AMAQI
3rd Oct 2025843 AMAQI
3rd Oct 2025824 AMAQI

29°C25/35°C

3rd Oct 2025845 AMAQI
3rd Oct 2025826 AMAQI
3rd Oct 2025767 AMAQI
3rd Oct 2025758 AMAQI
3rd Oct 2025819 AMAQI
3rd Oct 20258210 AMAQI
3rd Oct 20258411 AMAQI
3rd Oct 20258312 PMAQI
3rd Oct 2025821 PMAQI
3rd Oct 2025772 PMAQI
3rd Oct 2025753 PMAQI
3rd Oct 2025874 PMAQI
3rd Oct 2025715 PMAQI
3rd Oct 2025936 PMAQI
3rd Oct 2025997 PMAQI
3rd Oct 2025978 PMAQI
3rd Oct 20251119 PMAQI
3rd Oct 202510910 PMAQI
3rd Oct 202510811 PMAQI
4th Oct 202512412 AMAQI
4th Oct 20251181 AMAQI
4th Oct 20251222 AMAQI
4th Oct 20251113 AMAQI
4th Oct 20251064 AMAQI

30°C26/35°C

4th Oct 2025955 AMAQI
4th Oct 2025886 AMAQI
4th Oct 2025777 AMAQI
4th Oct 2025688 AMAQI
4th Oct 2025799 AMAQI
4th Oct 20258810 AMAQI
4th Oct 20257711 AMAQI
4th Oct 20258312 PMAQI
4th Oct 2025781 PMAQI
4th Oct 2025722 PMAQI
4th Oct 2025713 PMAQI
4th Oct 2025694 PMAQI
4th Oct 2025615 PMAQI
4th Oct 2025676 PMAQI
4th Oct 2025667 PMAQI
4th Oct 2025688 PMAQI
4th Oct 2025819 PMAQI
4th Oct 20258910 PMAQI
4th Oct 20259511 PMAQI
5th Oct 202510012 AMAQI
5th Oct 20251151 AMAQI
5th Oct 20251032 AMAQI
5th Oct 20251003 AMAQI
5th Oct 20251014 AMAQI

30°C27/35°C

5th Oct 2025845 AMAQI
5th Oct 2025916 AMAQI
5th Oct 20251007 AMAQI
5th Oct 20251058 AMAQI
5th Oct 20251129 AMAQI
5th Oct 202511410 AMAQI
5th Oct 20259811 AMAQI
5th Oct 20259212 PMAQI
5th Oct 2025831 PMAQI
5th Oct 2025762 PMAQI
5th Oct 2025763 PMAQI
5th Oct 2025794 PMAQI
5th Oct 2025785 PMAQI
5th Oct 2025796 PMAQI
5th Oct 2025857 PMAQI
5th Oct 2025838 PMAQI
5th Oct 2025869 PMAQI
5th Oct 20258310 PMAQI
5th Oct 20258811 PMAQI
6th Oct 20258612 AMAQI
6th Oct 2025821 AMAQI
6th Oct 2025742 AMAQI
6th Oct 2025753 AMAQI
6th Oct 2025754 AMAQI

30°C26/34°C

6th Oct 2025745 AMAQI
6th Oct 2025746 AMAQI
6th Oct 2025687 AMAQI
6th Oct 2025728 AMAQI
6th Oct 2025689 AMAQI
6th Oct 20257510 AMAQI
6th Oct 20257911 AMAQI
6th Oct 20258012 PMAQI
6th Oct 2025821 PMAQI
6th Oct 2025882 PMAQI
6th Oct 20251013 PMAQI
6th Oct 20251054 PMAQI
6th Oct 20251015 PMAQI
6th Oct 20251066 PMAQI
6th Oct 20251077 PMAQI
6th Oct 20251028 PMAQI
6th Oct 20251039 PMAQI
6th Oct 202510810 PMAQI

30°C26/34°C

7th Oct 2025995 PMAQI
7th Oct 2025996 PMAQI
7th Oct 20251017 PMAQI
7th Oct 20251128 PMAQI
7th Oct 20251089 PMAQI
7th Oct 202512410 PMAQI
7th Oct 202512111 PMAQI
8th Oct 202511912 AMAQI
8th Oct 20251161 AMAQI
8th Oct 20251082 AMAQI
8th Oct 2025963 AMAQI
8th Oct 20251004 AMAQI

29°C26/33°C

8th Oct 20251025 AMAQI
8th Oct 20251096 AMAQI
8th Oct 20251027 AMAQI
8th Oct 20251078 AMAQI
8th Oct 20251189 AMAQI
8th Oct 202512310 AMAQI
8th Oct 202512211 AMAQI
8th Oct 202511112 PMAQI
8th Oct 20251081 PMAQI
8th Oct 20251012 PMAQI
8th Oct 2025953 PMAQI
8th Oct 2025974 PMAQI
8th Oct 20251015 PMAQI
8th Oct 20251016 PMAQI
8th Oct 20251117 PMAQI
8th Oct 20251118 PMAQI
8th Oct 20251209 PMAQI
8th Oct 202511710 PMAQI
8th Oct 202511411 PMAQI
9th Oct 202511112 AMAQI
9th Oct 20251111 AMAQI
9th Oct 2025972 AMAQI
9th Oct 2025953 AMAQI
9th Oct 2025904 AMAQI

29°C26/33°C

9th Oct 2025865 AMAQI
9th Oct 2025886 AMAQI
9th Oct 2025847 AMAQI
9th Oct 2025958 AMAQI
9th Oct 2025949 AMAQI
9th Oct 202510210 AMAQI
9th Oct 202510611 AMAQI
9th Oct 20259812 PMAQI
9th Oct 20251001 PMAQI
9th Oct 20251122 PMAQI
9th Oct 20251113 PMAQI
9th Oct 20251164 PMAQI
9th Oct 20251135 PMAQI
9th Oct 20251236 PMAQI
9th Oct 20251157 PMAQI
9th Oct 20251108 PMAQI
9th Oct 20251139 PMAQI
9th Oct 202510410 PMAQI
9th Oct 202510811 PMAQI
10th Oct 20259512 AMAQI
10th Oct 2025951 AMAQI
10th Oct 2025922 AMAQI
10th Oct 2025853 AMAQI
10th Oct 2025844 AMAQI

28°C26/33°C

10th Oct 2025805 AMAQI
10th Oct 2025816 AMAQI
10th Oct 2025787 AMAQI
10th Oct 2025868 AMAQI
10th Oct 2025849 AMAQI
10th Oct 20259310 AMAQI
10th Oct 20259511 AMAQI
10th Oct 20259612 PMAQI
10th Oct 20251081 PMAQI
10th Oct 20251042 PMAQI
10th Oct 20251053 PMAQI
10th Oct 20251234 PMAQI
10th Oct 20251415 PMAQI
10th Oct 20251306 PMAQI
10th Oct 20251307 PMAQI
10th Oct 20251158 PMAQI
10th Oct 20251209 PMAQI
10th Oct 202510310 PMAQI
10th Oct 20259311 PMAQI
11th Oct 20258912 AMAQI
11th Oct 2025821 AMAQI
11th Oct 2025822 AMAQI
11th Oct 2025813 AMAQI
11th Oct 2025874 AMAQI

28°C26/32°C

11th Oct 2025895 AMAQI
11th Oct 2025876 AMAQI
11th Oct 2025987 AMAQI
11th Oct 2025878 AMAQI
11th Oct 2025889 AMAQI
11th Oct 20258910 AMAQI
11th Oct 20259111 AMAQI
11th Oct 20259512 PMAQI
11th Oct 2025911 PMAQI
11th Oct 2025902 PMAQI
11th Oct 2025883 PMAQI
11th Oct 20251004 PMAQI
11th Oct 2025955 PMAQI
11th Oct 2025946 PMAQI
11th Oct 20251007 PMAQI
11th Oct 2025968 PMAQI
11th Oct 20251009 PMAQI
11th Oct 202510510 PMAQI
11th Oct 202510011 PMAQI
12th Oct 20259812 AMAQI
12th Oct 2025901 AMAQI
12th Oct 2025932 AMAQI
12th Oct 2025953 AMAQI
12th Oct 2025954 AMAQI

28°C26/32°C

12th Oct 2025925 AMAQI
5 AM
12th Oct 2025956 AMAQI
12th Oct 2025927 AMAQI
12th Oct 2025958 AMAQI
12th Oct 20251029 AMAQI
12th Oct 202511310 AMAQI
11 AM
6 PM
11 PM
4 AM

--°C/°C

Day time
Avg. Highest Time
9 AM - 10 AM

82AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
11 AM - 6 PM

76AQI

8 hours / Day
240 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 AM to 10 AM (Avg. 82), while the lowest AQI was between 11 AM to 6 PM (Avg. 76).
Night time
Avg. Highest Time
9 PM - 11 PM

83AQI

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

78AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 PM to 11 PM (Avg. 83), while the lowest AQI was between 3 AM to 4 AM (Avg. 78).

2025 Days Vs Air Quality

Thirumurugan Salai, Chennai, Tamil Nadu, India

2025

78%

222

21%

61

0.3%

1

Total number of days with different AQI categories in last 285 days in 2025 (80 days remaining)

Good
0 Days
Moderate
222 Days
Poor
61 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 285 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

Thirumurugan Salai, 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
108AQI
2nd January 2025
123AQI
3rd January 2025
129AQI
4th January 2025
133AQI
5th January 2025
144AQI
6th January 2025
147AQI
7th January 2025
144AQI
8th January 2025
147AQI
9th January 2025
144AQI
10th January 2025
140AQI
11th January 2025
111AQI
12th January 2025
136AQI
13th January 2025
131AQI
14th January 2025
115AQI
15th January 2025
111AQI
16th January 2025
140AQI
17th January 2025
144AQI
18th January 2025
133AQI
19th January 2025
126AQI
20th January 2025
133AQI
21st January 2025
133AQI
22nd January 2025
141AQI
23rd January 2025
119AQI
24th January 2025
118AQI
25th January 2025
115AQI
26th January 2025
109AQI
27th January 2025
115AQI
28th January 2025
133AQI
29th January 2025
133AQI
30th January 2025
129AQI
31st January 2025
108AQI
1st February 2025
99AQI
2nd February 2025
97AQI
3rd February 2025
95AQI
4th February 2025
105AQI
5th February 2025
129AQI
6th February 2025
132AQI
7th February 2025
137AQI
8th February 2025
129AQI
9th February 2025
135AQI
10th February 2025
155AQI
11th February 2025
123AQI
12th February 2025
125AQI
13th February 2025
116AQI
14th February 2025
109AQI
15th February 2025
97AQI
16th February 2025
104AQI
17th February 2025
113AQI
18th February 2025
123AQI
19th February 2025
123AQI
20th February 2025
115AQI
21st February 2025
99AQI
22nd February 2025
97AQI
23rd February 2025
99AQI
24th February 2025
101AQI
25th February 2025
104AQI
26th February 2025
106AQI
27th February 2025
108AQI
28th February 2025
104AQI
1st March 2025
89AQI
2nd March 2025
84AQI
3rd March 2025
90AQI
4th March 2025
90AQI
5th March 2025
91AQI
6th March 2025
110AQI
7th March 2025
117AQI
8th March 2025
115AQI
9th March 2025
99AQI
10th March 2025
101AQI
11th March 2025
101AQI
12th March 2025
98AQI
13th March 2025
87AQI
14th March 2025
93AQI
15th March 2025
68AQI
16th March 2025
73AQI
17th March 2025
105AQI
18th March 2025
90AQI
19th March 2025
89AQI
20th March 2025
89AQI
21st March 2025
79AQI
22nd March 2025
78AQI
23rd March 2025
73AQI
24th March 2025
78AQI
25th March 2025
82AQI
26th March 2025
83AQI
27th March 2025
103AQI
28th March 2025
100AQI
29th March 2025
99AQI
30th March 2025
89AQI
31st March 2025
88AQI
1st April 2025
88AQI
2nd April 2025
80AQI
3rd April 2025
72AQI
4th April 2025
75AQI
5th April 2025
68AQI
6th April 2025
68AQI
7th April 2025
66AQI
8th April 2025
67AQI
9th April 2025
65AQI
10th April 2025
73AQI
11th April 2025
76AQI
12th April 2025
80AQI
13th April 2025
78AQI
14th April 2025
74AQI
15th April 2025
66AQI
16th April 2025
68AQI
17th April 2025
71AQI
18th April 2025
67AQI
19th April 2025
79AQI
20th April 2025
75AQI
21st April 2025
77AQI
22nd April 2025
75AQI
23rd April 2025
72AQI
24th April 2025
69AQI
25th April 2025
70AQI
26th April 2025
69AQI
27th April 2025
64AQI
28th April 2025
60AQI
29th April 2025
58AQI
30th April 2025
61AQI
1st May 2025
77AQI
2nd May 2025
70AQI
3rd May 2025
77AQI
4th May 2025
77AQI
5th May 2025
80AQI
6th May 2025
79AQI
7th May 2025
82AQI
8th May 2025
87AQI
9th May 2025
91AQI
10th May 2025
94AQI
11th May 2025
89AQI
12th May 2025
90AQI
13th May 2025
89AQI
14th May 2025
92AQI
15th May 2025
99AQI
16th May 2025
88AQI
17th May 2025
84AQI
18th May 2025
82AQI
19th May 2025
75AQI
20th May 2025
78AQI
21st May 2025
68AQI
22nd May 2025
76AQI
23rd May 2025
72AQI
24th May 2025
68AQI
25th May 2025
71AQI
26th May 2025
64AQI
27th May 2025
71AQI
28th May 2025
91AQI
29th May 2025
74AQI
30th May 2025
80AQI
31st May 2025
81AQI
1st June 2025
80AQI
2nd June 2025
78AQI
3rd June 2025
76AQI
4th June 2025
76AQI
5th June 2025
80AQI
6th June 2025
87AQI
7th June 2025
87AQI
8th June 2025
82AQI
9th June 2025
82AQI
10th June 2025
85AQI
11th June 2025
86AQI
12th June 2025
91AQI
13th June 2025
85AQI
14th June 2025
78AQI
15th June 2025
73AQI
16th June 2025
73AQI
17th June 2025
74AQI
18th June 2025
75AQI
19th June 2025
74AQI
20th June 2025
75AQI
21st June 2025
71AQI
22nd June 2025
71AQI
23rd June 2025
73AQI
24th June 2025
75AQI
25th June 2025
73AQI
26th June 2025
69AQI
27th June 2025
67AQI
28th June 2025
64AQI
29th June 2025
64AQI
30th June 2025
65AQI
1st July 2025
69AQI
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
67AQI
9th July 2025
67AQI
10th July 2025
68AQI
11th July 2025
70AQI
12th July 2025
69AQI
13th July 2025
71AQI
14th July 2025
68AQI
15th July 2025
68AQI
16th July 2025
69AQI
17th July 2025
71AQI
18th July 2025
72AQI
19th July 2025
71AQI
20th July 2025
69AQI
21st July 2025
69AQI
22nd July 2025
68AQI
23rd July 2025
71AQI
24th July 2025
76AQI
25th July 2025
77AQI
26th July 2025
70AQI
27th July 2025
64AQI
28th July 2025
62AQI
29th July 2025
62AQI
30th July 2025
62AQI
31st July 2025
65AQI
1st August 2025
67AQI
2nd August 2025
74AQI
3rd August 2025
70AQI
4th August 2025
67AQI
5th August 2025
64AQI
6th August 2025
66AQI
7th August 2025
67AQI
8th August 2025
69AQI
9th August 2025
72AQI
10th August 2025
71AQI
11th August 2025
67AQI
12th August 2025
69AQI
13th August 2025
62AQI
14th August 2025
60AQI
15th August 2025
60AQI
16th August 2025
61AQI
17th August 2025
56AQI
18th August 2025
56AQI
19th August 2025
59AQI
20th August 2025
61AQI
21st August 2025
65AQI
22nd August 2025
67AQI
23rd August 2025
64AQI
24th August 2025
65AQI
25th August 2025
65AQI
26th August 2025
66AQI
27th August 2025
65AQI
28th August 2025
65AQI
29th August 2025
68AQI
30th August 2025
67AQI
31st August 2025
67AQI
1st September 2025
67AQI
2nd September 2025
68AQI
3rd September 2025
66AQI
4th September 2025
65AQI
5th September 2025
65AQI
6th September 2025
69AQI
7th September 2025
67AQI
8th September 2025
69AQI
9th September 2025
76AQI
10th September 2025
79AQI
11th September 2025
75AQI
12th September 2025
80AQI
13th September 2025
85AQI
14th September 2025
79AQI
15th September 2025
75AQI
16th September 2025
73AQI
17th September 2025
68AQI
18th September 2025
68AQI
19th September 2025
69AQI
20th September 2025
72AQI
21st September 2025
77AQI
22nd September 2025
77AQI
23rd September 2025
76AQI
24th September 2025
74AQI
25th September 2025
75AQI
26th September 2025
64AQI
27th September 2025
64AQI
28th September 2025
58AQI
29th September 2025
66AQI
30th September 2025
74AQI
1st October 2025
72AQI
2nd October 2025
73AQI
3rd October 2025
85AQI
4th October 2025
91AQI
5th October 2025
95AQI
6th October 2025
90AQI
7th October 2025
109AQI
8th October 2025
110AQI
9th October 2025
107AQI
10th October 2025
100AQI
11th October 2025
89AQI
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

129AQI

114AQI

91AQI

71AQI

81AQI

76AQI

68AQI

65AQI

71AQI

93AQI

No. of days

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

202585AQI

31
7
20
1
24
7
30
31
30
31
31
30
8
3
222
61
1

Highest AQI recorded in

January

129AQI

Lowest AQI recorded in

August

65AQI

202490AQI

4
16
9
2
2
26
1
13
18
1
28
1
14
17
1
29
30
1
3
27
1
2
28
22
6
2
1
10
17
3
17
13
1
21
227
99
16
3

Highest AQI recorded in

January

142AQI

Lowest AQI recorded in

May

56AQI

202398AQI

1
20
10
22
6
1
15
15
20
10
1
19
11
22
7
1
29
2
3
25
3
10
20
4
22
5
6
11
12
24
6
1
25
184
131
23
1

Highest AQI recorded in

January

142AQI

Lowest AQI recorded in

September

54AQI

202290AQI

30
1
26
2
26
5
6
21
18
13
20
9
1
5
26
6
5
1
15
13
1
15
10
4
1
3
10
12
5
12
7
12
21
224
73
22
1

Highest AQI recorded in

December

123AQI

Lowest AQI recorded in

August

57AQI

202179AQI

20
1
2
26
3
2
27
1
16
14
4
89
19

Highest AQI recorded in

December

97AQI

Lowest AQI recorded in

November

69AQI

Most & Least Polluted Years Over the Last 5 Years

Most Polluted Year Recorded
2023(Avg.)
98AQI
Least Polluted Year Recorded
2021(Avg.)
79AQI

Thirumurugan Salai's annual 2025 AQI (85) shows an average percentage change of -4.01% (improved AQI) compared to previous years: 2021 (79), 2022 (90), 2023 (98), 2024 (90).