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Coimbatore, 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

Coimbatore, Tamil Nadu, India

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
27th Oct 2022
146AQI
Lowest AQI recorded on
17th Oct 2022
29AQI

Same Day Analysis (2nd October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 66 of Moderate air quality, showing improvement over 2022 and 2021 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 3rd Oct - 4th Oct 2025

Coimbatore, Tamil Nadu, India

AQI
Day
Night
.

6 AM3rd Oct 2025

6 PM

5 AM4th Oct 2025

Day time
Avg. Highest Time
12AMNaNth undefined

AQI

Avg. Lowest Time
12AMNaNth undefined

AQI

Night time
Avg. Highest Time
12AM4th Oct

117AQI

Avg. Lowest Time
5PM3rd Oct

52AQI

In the last 24 hours,

Coimbatore's AQI reached its highest point of 117 at 12 AM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 3rd Oct and 4th Oct 2025.

Day & Night AQI Trend : Sep - Oct 2025

Coimbatore, Tamil Nadu, India

SepOct
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 - 01st01st - 02nd02nd - 03rd03rd - 04th04th
Day
Night
4th Sep 2025656 AMAQI
4th Sep 2025627 AMAQI
4th Sep 2025608 AMAQI
4th Sep 2025619 AMAQI
4th Sep 20256910 AMAQI
4th Sep 20256711 AMAQI
4th Sep 20258312 PMAQI
4th Sep 2025711 PMAQI
4th Sep 2025952 PMAQI
4th Sep 2025953 PMAQI
4th Sep 2025874 PMAQI
4th Sep 2025785 PMAQI
4th Sep 2025516 PMAQI
4th Sep 2025317 PMAQI
4th Sep 2025308 PMAQI
4th Sep 2025419 PMAQI
4th Sep 20256110 PMAQI
4th Sep 20257111 PMAQI
5th Sep 20256712 AMAQI
5th Sep 2025661 AMAQI
5th Sep 2025672 AMAQI
5th Sep 2025683 AMAQI
5th Sep 2025664 AMAQI
5th Sep 2025685 AMAQI

24°C22/28°C

5th Sep 2025736 AMAQI
5th Sep 2025647 AMAQI
5th Sep 2025698 AMAQI
5th Sep 2025719 AMAQI
5th Sep 20256310 AMAQI
5th Sep 20256911 AMAQI
5th Sep 20256912 PMAQI
5th Sep 2025681 PMAQI
5th Sep 2025732 PMAQI
5th Sep 2025673 PMAQI
5th Sep 2025614 PMAQI
5th Sep 2025655 PMAQI
5th Sep 2025686 PMAQI
5th Sep 2025707 PMAQI
5th Sep 2025698 PMAQI
5th Sep 2025669 PMAQI
5th Sep 20257010 PMAQI
5th Sep 20256811 PMAQI
6th Sep 20256712 AMAQI
6th Sep 2025661 AMAQI
6th Sep 2025662 AMAQI
6th Sep 2025663 AMAQI
6th Sep 2025654 AMAQI
6th Sep 2025655 AMAQI

25°C22/29°C

6th Sep 2025627 AMAQI
6th Sep 2025678 AMAQI
6th Sep 2025629 AMAQI
6th Sep 20256610 AMAQI
6th Sep 20256511 AMAQI
6th Sep 20255912 PMAQI
6th Sep 2025671 PMAQI
6th Sep 2025662 PMAQI
6th Sep 2025673 PMAQI
6th Sep 2025634 PMAQI
6th Sep 2025695 PMAQI
6th Sep 2025686 PMAQI
6th Sep 2025657 PMAQI
6th Sep 2025688 PMAQI
6th Sep 2025639 PMAQI
6th Sep 20256910 PMAQI
6th Sep 20256811 PMAQI
7th Sep 20256812 AMAQI
7th Sep 2025671 AMAQI
7th Sep 2025652 AMAQI
7th Sep 2025683 AMAQI
7th Sep 2025674 AMAQI
7th Sep 2025655 AMAQI

25°C22/30°C

7th Sep 2025606 AMAQI
7th Sep 2025607 AMAQI
7th Sep 2025638 AMAQI
7th Sep 2025639 AMAQI
7th Sep 20256310 AMAQI
7th Sep 20256311 AMAQI
7th Sep 20256112 PMAQI
7th Sep 2025651 PMAQI
7th Sep 2025672 PMAQI
7th Sep 2025653 PMAQI
7th Sep 2025634 PMAQI
7th Sep 2025675 PMAQI
7th Sep 2025646 PMAQI
7th Sep 2025647 PMAQI
7th Sep 2025718 PMAQI
7th Sep 2025699 PMAQI
7th Sep 20257010 PMAQI
7th Sep 20256811 PMAQI
8th Sep 20256512 AMAQI
8th Sep 2025651 AMAQI
8th Sep 2025642 AMAQI
8th Sep 2025643 AMAQI
8th Sep 2025654 AMAQI
8th Sep 2025575 AMAQI

25°C23/30°C

8th Sep 2025626 AMAQI
8th Sep 2025617 AMAQI
8th Sep 2025598 AMAQI
8th Sep 2025659 AMAQI
8th Sep 20257010 AMAQI
8th Sep 20257011 AMAQI
8th Sep 20256812 PMAQI
8th Sep 2025671 PMAQI
8th Sep 2025702 PMAQI
8th Sep 2025683 PMAQI
8th Sep 2025694 PMAQI
8th Sep 2025625 PMAQI
8th Sep 2025646 PMAQI
8th Sep 2025697 PMAQI
8th Sep 2025748 PMAQI
8th Sep 2025829 PMAQI
8th Sep 20257710 PMAQI
8th Sep 20258011 PMAQI
9th Sep 20257112 AMAQI
9th Sep 2025681 AMAQI
9th Sep 2025662 AMAQI
9th Sep 2025643 AMAQI
9th Sep 2025654 AMAQI
9th Sep 2025725 AMAQI

25°C22/30°C

9th Sep 2025636 AMAQI
9th Sep 2025667 AMAQI
9th Sep 2025788 AMAQI
9th Sep 2025819 AMAQI
9th Sep 20258410 AMAQI
9th Sep 20259011 AMAQI
9th Sep 20257912 PMAQI
9th Sep 2025731 PMAQI
9th Sep 2025802 PMAQI
9th Sep 2025713 PMAQI
9th Sep 2025814 PMAQI
9th Sep 2025815 PMAQI
9th Sep 2025746 PMAQI
9th Sep 2025767 PMAQI
9th Sep 2025758 PMAQI
9th Sep 2025759 PMAQI
9th Sep 20258410 PMAQI
9th Sep 20258311 PMAQI
10th Sep 20257312 AMAQI
10th Sep 2025721 AMAQI
10th Sep 2025722 AMAQI
10th Sep 2025713 AMAQI
10th Sep 2025704 AMAQI
10th Sep 2025695 AMAQI

26°C23/31°C

10th Sep 2025726 AMAQI
10th Sep 2025687 AMAQI
10th Sep 2025698 AMAQI
10th Sep 2025689 AMAQI
10th Sep 20257710 AMAQI
10th Sep 20257711 AMAQI
10th Sep 20257212 PMAQI
10th Sep 2025741 PMAQI
10th Sep 2025772 PMAQI
10th Sep 2025773 PMAQI
10th Sep 2025784 PMAQI
10th Sep 2025735 PMAQI
10th Sep 2025736 PMAQI
10th Sep 2025737 PMAQI
10th Sep 2025758 PMAQI
10th Sep 2025749 PMAQI
10th Sep 20257610 PMAQI
10th Sep 20257411 PMAQI
11th Sep 20256812 AMAQI
11th Sep 2025721 AMAQI
11th Sep 2025702 AMAQI
11th Sep 2025713 AMAQI
11th Sep 2025714 AMAQI
11th Sep 2025675 AMAQI

26°C22/30°C

11th Sep 2025646 AMAQI
11th Sep 2025737 AMAQI
11th Sep 2025708 AMAQI
11th Sep 2025759 AMAQI
11th Sep 20258410 AMAQI
11th Sep 20258811 AMAQI
11th Sep 20258312 PMAQI
11th Sep 2025731 PMAQI
11th Sep 2025812 PMAQI
11th Sep 2025743 PMAQI
11th Sep 2025854 PMAQI
11th Sep 2025735 PMAQI
11th Sep 2025756 PMAQI
11th Sep 2025787 PMAQI
11th Sep 2025788 PMAQI
11th Sep 2025839 PMAQI
11th Sep 20258910 PMAQI
11th Sep 20258211 PMAQI
12th Sep 20257312 AMAQI
12th Sep 2025711 AMAQI
12th Sep 2025722 AMAQI
12th Sep 2025703 AMAQI
12th Sep 2025704 AMAQI
12th Sep 2025685 AMAQI

25°C22/31°C

12th Sep 2025666 AMAQI
12th Sep 2025707 AMAQI
12th Sep 2025718 AMAQI
12th Sep 2025759 AMAQI
12th Sep 20258110 AMAQI
12th Sep 20257711 AMAQI
12th Sep 20257412 PMAQI
12th Sep 2025781 PMAQI
12th Sep 2025832 PMAQI
12th Sep 2025753 PMAQI
12th Sep 2025814 PMAQI
12th Sep 2025815 PMAQI
12th Sep 2025836 PMAQI
12th Sep 2025787 PMAQI
12th Sep 2025838 PMAQI
12th Sep 2025869 PMAQI
12th Sep 20258010 PMAQI
12th Sep 20258111 PMAQI
13th Sep 20257612 AMAQI
13th Sep 2025711 AMAQI
13th Sep 2025712 AMAQI
13th Sep 2025713 AMAQI
13th Sep 2025714 AMAQI
13th Sep 2025695 AMAQI

26°C23/30°C

13th Sep 2025706 AMAQI
13th Sep 2025757 AMAQI
13th Sep 2025788 AMAQI
13th Sep 2025749 AMAQI
13th Sep 20258010 AMAQI
13th Sep 20257911 AMAQI
13th Sep 20258112 PMAQI
13th Sep 2025811 PMAQI
13th Sep 2025782 PMAQI
13th Sep 2025783 PMAQI
13th Sep 2025854 PMAQI
13th Sep 2025795 PMAQI
13th Sep 2025796 PMAQI
13th Sep 20251017 PMAQI
13th Sep 2025808 PMAQI
13th Sep 2025829 PMAQI
13th Sep 20258310 PMAQI
13th Sep 20258211 PMAQI
14th Sep 20259012 AMAQI
14th Sep 2025741 AMAQI
14th Sep 2025752 AMAQI
14th Sep 2025753 AMAQI
14th Sep 2025764 AMAQI
14th Sep 2025735 AMAQI

25°C22/30°C

14th Sep 2025686 AMAQI
14th Sep 2025757 AMAQI
14th Sep 2025738 AMAQI
14th Sep 2025699 AMAQI
14th Sep 20257010 AMAQI
14th Sep 20257811 AMAQI
14th Sep 20257412 PMAQI
14th Sep 2025691 PMAQI
14th Sep 2025672 PMAQI
14th Sep 2025683 PMAQI
14th Sep 2025754 PMAQI
14th Sep 2025785 PMAQI
14th Sep 2025746 PMAQI
14th Sep 2025777 PMAQI
14th Sep 2025808 PMAQI
14th Sep 2025789 PMAQI
14th Sep 20258010 PMAQI
14th Sep 20257511 PMAQI
15th Sep 20257712 AMAQI
15th Sep 2025741 AMAQI
15th Sep 2025742 AMAQI
15th Sep 2025743 AMAQI
15th Sep 2025754 AMAQI
15th Sep 2025665 AMAQI

25°C22/31°C

15th Sep 2025676 AMAQI
15th Sep 2025607 AMAQI
15th Sep 2025708 AMAQI
15th Sep 2025669 AMAQI
15th Sep 20256810 AMAQI
15th Sep 20257111 AMAQI
15th Sep 20257612 PMAQI
15th Sep 2025701 PMAQI
15th Sep 2025702 PMAQI
15th Sep 2025723 PMAQI
15th Sep 2025704 PMAQI
15th Sep 2025775 PMAQI
15th Sep 2025806 PMAQI
15th Sep 2025797 PMAQI
15th Sep 2025848 PMAQI
15th Sep 2025829 PMAQI
15th Sep 20258110 PMAQI
15th Sep 20257811 PMAQI
16th Sep 20257412 AMAQI
16th Sep 2025701 AMAQI
16th Sep 2025722 AMAQI
16th Sep 2025723 AMAQI
16th Sep 2025694 AMAQI
16th Sep 2025695 AMAQI

25°C22/30°C

16th Sep 2025676 AMAQI
16th Sep 2025607 AMAQI
16th Sep 2025668 AMAQI
16th Sep 2025709 AMAQI
16th Sep 20257110 AMAQI
16th Sep 20256611 AMAQI
16th Sep 20256812 PMAQI
16th Sep 2025681 PMAQI
16th Sep 2025712 PMAQI
16th Sep 2025663 PMAQI
16th Sep 2025684 PMAQI
16th Sep 2025725 PMAQI
16th Sep 2025706 PMAQI
16th Sep 2025757 PMAQI
16th Sep 2025738 PMAQI
16th Sep 2025789 PMAQI
16th Sep 20257610 PMAQI
16th Sep 20257311 PMAQI
17th Sep 20257012 AMAQI
17th Sep 2025701 AMAQI
17th Sep 2025712 AMAQI
17th Sep 2025693 AMAQI
17th Sep 2025704 AMAQI
17th Sep 2025655 AMAQI

25°C23/30°C

17th Sep 2025676 AMAQI
17th Sep 2025607 AMAQI
17th Sep 2025668 AMAQI
17th Sep 2025709 AMAQI
17th Sep 20257410 AMAQI
17th Sep 20257211 AMAQI
17th Sep 20256912 PMAQI
17th Sep 2025711 PMAQI
17th Sep 2025692 PMAQI
17th Sep 2025653 PMAQI
17th Sep 2025654 PMAQI
17th Sep 2025715 PMAQI
17th Sep 2025696 PMAQI
17th Sep 2025717 PMAQI
17th Sep 2025698 PMAQI
17th Sep 2025709 PMAQI
17th Sep 20257110 PMAQI
17th Sep 20256911 PMAQI
18th Sep 20256912 AMAQI
18th Sep 2025671 AMAQI
18th Sep 2025692 AMAQI
18th Sep 2025683 AMAQI
18th Sep 2025684 AMAQI
18th Sep 2025645 AMAQI

25°C22/30°C

18th Sep 2025506 AMAQI
18th Sep 2025617 AMAQI
18th Sep 2025648 AMAQI
18th Sep 2025649 AMAQI
18th Sep 20256510 AMAQI
18th Sep 20256411 AMAQI
18th Sep 20256412 PMAQI
18th Sep 2025631 PMAQI
18th Sep 2025622 PMAQI
18th Sep 2025653 PMAQI
18th Sep 2025704 PMAQI
18th Sep 2025685 PMAQI
18th Sep 2025666 PMAQI
18th Sep 2025667 PMAQI
18th Sep 2025668 PMAQI
18th Sep 2025659 PMAQI
18th Sep 20257010 PMAQI
18th Sep 20256811 PMAQI
19th Sep 20256812 AMAQI
19th Sep 2025661 AMAQI
19th Sep 2025652 AMAQI
19th Sep 2025653 AMAQI
19th Sep 2025664 AMAQI
19th Sep 2025625 AMAQI

25°C22/30°C

19th Sep 2025556 AMAQI
19th Sep 2025647 AMAQI
19th Sep 2025698 AMAQI
19th Sep 2025709 AMAQI
19th Sep 20257910 AMAQI
19th Sep 20257411 AMAQI
19th Sep 20257412 PMAQI
19th Sep 2025701 PMAQI
19th Sep 2025702 PMAQI
19th Sep 2025673 PMAQI
19th Sep 2025674 PMAQI
19th Sep 2025705 PMAQI
19th Sep 2025696 PMAQI
19th Sep 2025687 PMAQI
19th Sep 2025708 PMAQI
19th Sep 2025689 PMAQI
19th Sep 20256910 PMAQI
19th Sep 20257211 PMAQI
20th Sep 20256812 AMAQI
20th Sep 2025661 AMAQI
20th Sep 2025672 AMAQI
20th Sep 2025683 AMAQI
20th Sep 2025684 AMAQI
20th Sep 2025735 AMAQI

25°C23/29°C

20th Sep 2025636 AMAQI
20th Sep 2025677 AMAQI
20th Sep 2025668 AMAQI
20th Sep 2025669 AMAQI
20th Sep 20257210 AMAQI
20th Sep 20257311 AMAQI
20th Sep 20257112 PMAQI
20th Sep 2025701 PMAQI
20th Sep 2025672 PMAQI
20th Sep 2025693 PMAQI
20th Sep 2025714 PMAQI
20th Sep 2025685 PMAQI
20th Sep 2025686 PMAQI
20th Sep 2025687 PMAQI
20th Sep 2025698 PMAQI
20th Sep 2025699 PMAQI
20th Sep 20256610 PMAQI
20th Sep 20256911 PMAQI
21st Sep 20256712 AMAQI
21st Sep 2025671 AMAQI
21st Sep 2025672 AMAQI
21st Sep 2025673 AMAQI
21st Sep 2025674 AMAQI
21st Sep 2025685 AMAQI

24°C22/28°C

21st Sep 2025676 AMAQI
21st Sep 2025627 AMAQI
21st Sep 2025638 AMAQI
21st Sep 2025719 AMAQI
21st Sep 20257010 AMAQI
21st Sep 20256911 AMAQI
21st Sep 20256312 PMAQI
21st Sep 2025601 PMAQI
21st Sep 2025602 PMAQI
21st Sep 2025593 PMAQI
21st Sep 2025614 PMAQI
21st Sep 2025665 PMAQI
21st Sep 2025666 PMAQI
21st Sep 2025677 PMAQI
21st Sep 2025678 PMAQI
21st Sep 2025709 PMAQI
21st Sep 20257010 PMAQI
21st Sep 20256911 PMAQI
22nd Sep 20256912 AMAQI
22nd Sep 2025671 AMAQI
22nd Sep 2025672 AMAQI
22nd Sep 2025683 AMAQI
22nd Sep 2025684 AMAQI
22nd Sep 2025705 AMAQI

25°C22/31°C

22nd Sep 2025756 AMAQI
22nd Sep 2025657 AMAQI
22nd Sep 2025618 AMAQI
22nd Sep 2025649 AMAQI
22nd Sep 20257010 AMAQI
22nd Sep 20257211 AMAQI
22nd Sep 20257012 PMAQI
22nd Sep 2025691 PMAQI
22nd Sep 2025652 PMAQI
22nd Sep 2025603 PMAQI
22nd Sep 2025604 PMAQI
22nd Sep 2025665 PMAQI
22nd Sep 2025686 PMAQI
22nd Sep 2025667 PMAQI
22nd Sep 2025688 PMAQI
22nd Sep 2025649 PMAQI
22nd Sep 20256710 PMAQI
22nd Sep 20256611 PMAQI
23rd Sep 20256712 AMAQI
23rd Sep 2025681 AMAQI
23rd Sep 2025682 AMAQI
23rd Sep 2025683 AMAQI
23rd Sep 2025694 AMAQI
23rd Sep 2025675 AMAQI

25°C22/30°C

23rd Sep 2025616 AMAQI
23rd Sep 2025577 AMAQI
23rd Sep 2025588 AMAQI
23rd Sep 2025639 AMAQI
23rd Sep 20256210 AMAQI
23rd Sep 20256111 AMAQI
23rd Sep 20256212 PMAQI
23rd Sep 2025601 PMAQI
23rd Sep 2025592 PMAQI
23rd Sep 2025613 PMAQI
23rd Sep 2025654 PMAQI
23rd Sep 2025655 PMAQI
23rd Sep 2025666 PMAQI
23rd Sep 2025667 PMAQI
23rd Sep 2025698 PMAQI
23rd Sep 2025689 PMAQI
23rd Sep 20256610 PMAQI
23rd Sep 20256511 PMAQI
24th Sep 20256712 AMAQI
24th Sep 2025651 AMAQI
24th Sep 2025662 AMAQI
24th Sep 2025663 AMAQI
24th Sep 2025664 AMAQI
24th Sep 2025655 AMAQI

25°C22/29°C

24th Sep 2025626 AMAQI
24th Sep 2025637 AMAQI
24th Sep 2025618 AMAQI
24th Sep 2025659 AMAQI
24th Sep 20256710 AMAQI
24th Sep 20256311 AMAQI
24th Sep 20256312 PMAQI
24th Sep 2025631 PMAQI
24th Sep 2025652 PMAQI
24th Sep 2025663 PMAQI
24th Sep 2025714 PMAQI
24th Sep 2025665 PMAQI
24th Sep 2025666 PMAQI
24th Sep 2025667 PMAQI
24th Sep 2025688 PMAQI
24th Sep 2025679 PMAQI
24th Sep 20256510 PMAQI
24th Sep 20256711 PMAQI
25th Sep 20256612 AMAQI
25th Sep 2025641 AMAQI
25th Sep 2025642 AMAQI
25th Sep 2025653 AMAQI
25th Sep 2025654 AMAQI
25th Sep 2025635 AMAQI

25°C22/30°C

25th Sep 2025586 AMAQI
25th Sep 2025617 AMAQI
25th Sep 2025538 AMAQI
25th Sep 2025639 AMAQI
25th Sep 20256110 AMAQI
25th Sep 20256811 AMAQI
25th Sep 20257312 PMAQI
25th Sep 2025661 PMAQI
25th Sep 2025642 PMAQI
25th Sep 2025703 PMAQI
25th Sep 2025764 PMAQI
25th Sep 2025675 PMAQI
25th Sep 2025676 PMAQI
25th Sep 2025707 PMAQI
25th Sep 2025788 PMAQI
25th Sep 20251009 PMAQI
25th Sep 202510410 PMAQI
25th Sep 20259711 PMAQI
26th Sep 20258412 AMAQI
26th Sep 2025711 AMAQI
26th Sep 2025662 AMAQI
26th Sep 2025623 AMAQI
26th Sep 2025604 AMAQI
26th Sep 2025595 AMAQI

25°C22/30°C

26th Sep 2025606 AMAQI
26th Sep 2025637 AMAQI
26th Sep 2025708 AMAQI
26th Sep 2025709 AMAQI
26th Sep 20256910 AMAQI
26th Sep 20257011 AMAQI
26th Sep 20257012 PMAQI
26th Sep 2025691 PMAQI
26th Sep 2025722 PMAQI
26th Sep 2025773 PMAQI
26th Sep 2025814 PMAQI
26th Sep 2025815 PMAQI
26th Sep 2025756 PMAQI
26th Sep 2025647 PMAQI
26th Sep 2025488 PMAQI
26th Sep 2025499 PMAQI
26th Sep 20254710 PMAQI
26th Sep 20254411 PMAQI
27th Sep 20254412 AMAQI
27th Sep 2025431 AMAQI
27th Sep 2025442 AMAQI
27th Sep 2025423 AMAQI
27th Sep 2025404 AMAQI
27th Sep 2025415 AMAQI

25°C22/31°C

27th Sep 2025416 AMAQI
27th Sep 2025427 AMAQI
27th Sep 2025538 AMAQI
27th Sep 2025609 AMAQI
27th Sep 20255210 AMAQI
27th Sep 20254911 AMAQI
27th Sep 20255012 PMAQI
27th Sep 2025471 PMAQI
27th Sep 2025462 PMAQI
27th Sep 2025443 PMAQI
27th Sep 2025464 PMAQI
27th Sep 2025555 PMAQI
27th Sep 2025656 PMAQI
27th Sep 2025837 PMAQI
27th Sep 2025858 PMAQI
27th Sep 2025839 PMAQI
27th Sep 20257910 PMAQI
27th Sep 20257111 PMAQI
28th Sep 20256412 AMAQI
28th Sep 2025611 AMAQI
28th Sep 2025572 AMAQI
28th Sep 2025513 AMAQI
28th Sep 2025514 AMAQI
28th Sep 2025545 AMAQI

24°C22/29°C

28th Sep 2025576 AMAQI
28th Sep 2025597 AMAQI
28th Sep 2025648 AMAQI
28th Sep 2025619 AMAQI
28th Sep 20256110 AMAQI
28th Sep 20255911 AMAQI
28th Sep 20255812 PMAQI
28th Sep 2025651 PMAQI
28th Sep 2025642 PMAQI
28th Sep 2025483 PMAQI
28th Sep 2025414 PMAQI
28th Sep 2025375 PMAQI
28th Sep 2025436 PMAQI
28th Sep 2025527 PMAQI
28th Sep 2025598 PMAQI
28th Sep 2025709 PMAQI
28th Sep 20256710 PMAQI
28th Sep 20256411 PMAQI
29th Sep 20256012 AMAQI
29th Sep 2025591 AMAQI
29th Sep 2025522 AMAQI
29th Sep 2025483 AMAQI
29th Sep 2025454 AMAQI
29th Sep 2025475 AMAQI

24°C21/29°C

29th Sep 2025526 AMAQI
29th Sep 2025527 AMAQI
29th Sep 2025558 AMAQI
29th Sep 2025589 AMAQI
29th Sep 20256210 AMAQI
29th Sep 20256011 AMAQI
29th Sep 20256112 PMAQI
29th Sep 2025591 PMAQI
29th Sep 2025622 PMAQI
29th Sep 2025643 PMAQI
29th Sep 2025704 PMAQI
29th Sep 2025735 PMAQI
29th Sep 2025786 PMAQI
29th Sep 2025837 PMAQI
29th Sep 2025888 PMAQI
29th Sep 2025909 PMAQI
29th Sep 20259010 PMAQI
29th Sep 20259711 PMAQI
30th Sep 20259212 AMAQI
30th Sep 2025881 AMAQI
30th Sep 2025832 AMAQI
30th Sep 2025823 AMAQI
30th Sep 2025724 AMAQI
30th Sep 2025725 AMAQI

25°C21/30°C

30th Sep 2025776 AMAQI
30th Sep 2025877 AMAQI
30th Sep 2025938 AMAQI
30th Sep 2025769 AMAQI
30th Sep 20257410 AMAQI
30th Sep 20257111 AMAQI
30th Sep 20257012 PMAQI
30th Sep 2025721 PMAQI
30th Sep 2025692 PMAQI
30th Sep 2025663 PMAQI
30th Sep 2025654 PMAQI
30th Sep 2025655 PMAQI
30th Sep 2025726 PMAQI
30th Sep 2025807 PMAQI
30th Sep 2025928 PMAQI
30th Sep 2025939 PMAQI
30th Sep 20258810 PMAQI
30th Sep 20259611 PMAQI
1st Oct 202511912 AMAQI
1st Oct 20251151 AMAQI
1st Oct 20251132 AMAQI
1st Oct 20251203 AMAQI
1st Oct 20251054 AMAQI
1st Oct 20251105 AMAQI

25°C22/30°C

1st Oct 20251036 AMAQI
1st Oct 2025747 AMAQI
1st Oct 2025728 AMAQI
1st Oct 2025809 AMAQI
1st Oct 20257210 AMAQI
1st Oct 20255611 AMAQI
1st Oct 20254812 PMAQI
1st Oct 2025481 PMAQI
1st Oct 2025482 PMAQI
1st Oct 2025543 PMAQI
1st Oct 2025614 PMAQI
1st Oct 2025775 PMAQI
1st Oct 2025816 PMAQI
1st Oct 2025777 PMAQI
1st Oct 2025768 PMAQI
1st Oct 2025749 PMAQI
1st Oct 20257510 PMAQI
1st Oct 20257711 PMAQI
2nd Oct 20257612 AMAQI
2nd Oct 2025721 AMAQI
2nd Oct 2025672 AMAQI
2nd Oct 2025643 AMAQI
2nd Oct 2025634 AMAQI
2nd Oct 2025665 AMAQI

25°C22/31°C

2nd Oct 2025666 AMAQI
2nd Oct 2025637 AMAQI
2nd Oct 2025688 AMAQI
2nd Oct 2025689 AMAQI
2nd Oct 20256610 AMAQI
2nd Oct 20256211 AMAQI
2nd Oct 20255712 PMAQI
2nd Oct 2025481 PMAQI
2nd Oct 2025472 PMAQI
2nd Oct 2025453 PMAQI
2nd Oct 2025504 PMAQI
2nd Oct 2025585 PMAQI
2nd Oct 2025646 PMAQI
2nd Oct 2025687 PMAQI
2nd Oct 2025718 PMAQI
2nd Oct 2025749 PMAQI
2nd Oct 20257710 PMAQI
2nd Oct 20258111 PMAQI
3rd Oct 20258212 AMAQI
3rd Oct 2025771 AMAQI
3rd Oct 2025722 AMAQI
3rd Oct 2025673 AMAQI
3rd Oct 2025664 AMAQI
3rd Oct 2025685 AMAQI

25°C22/30°C

3rd Oct 2025706 AMAQI
3rd Oct 2025717 AMAQI
3rd Oct 2025698 AMAQI
3rd Oct 2025679 AMAQI
3rd Oct 20256610 AMAQI
3rd Oct 20256111 AMAQI
3rd Oct 20255612 PMAQI
3rd Oct 2025541 PMAQI
3rd Oct 2025522 PMAQI
3rd Oct 2025533 PMAQI
3rd Oct 2025594 PMAQI
3rd Oct 2025525 PMAQI
3rd Oct 2025666 PMAQI
3rd Oct 2025737 PMAQI
3rd Oct 2025928 PMAQI
3rd Oct 2025969 PMAQI
3rd Oct 20259310 PMAQI
3rd Oct 202511011 PMAQI
4th Oct 202511712 AMAQI
4th Oct 20251151 AMAQI

--°C/°C

6 AM
12 PM
6 PM
12 AM
5 AM

--°C/°C

Day time
Avg. Highest Time
8 AM - 6 PM

68AQI

11 hours / Day
330 hours / Month
Avg. Lowest Time
6 AM - 7 AM

65AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 AM to 6 PM (Avg. 68), while the lowest AQI was between 6 AM to 7 AM (Avg. 65).
Night time
Avg. Highest Time
7 PM - 11 PM

74AQI

5 hours / Day
150 hours / Month
Avg. Lowest Time
1 AM - 5 AM

68AQI

5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 PM to 11 PM (Avg. 74), while the lowest AQI was between 1 AM to 5 AM (Avg. 68).

2025 Days Vs Air Quality

Coimbatore, Tamil Nadu, India

2025

78%

215

21%

59

0.3%

1

Total number of days with different AQI categories in last 276 days in 2025 (89 days remaining)

Good
0 Days
Moderate
215 Days
Poor
59 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 276 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

Coimbatore, 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
99AQI
2nd January 2025
102AQI
3rd January 2025
108AQI
4th January 2025
106AQI
5th January 2025
114AQI
6th January 2025
116AQI
7th January 2025
114AQI
8th January 2025
119AQI
9th January 2025
135AQI
10th January 2025
136AQI
11th January 2025
149AQI
12th January 2025
125AQI
13th January 2025
128AQI
14th January 2025
107AQI
15th January 2025
98AQI
16th January 2025
87AQI
17th January 2025
103AQI
18th January 2025
128AQI
19th January 2025
129AQI
20th January 2025
128AQI
21st January 2025
133AQI
22nd January 2025
128AQI
23rd January 2025
132AQI
24th January 2025
124AQI
25th January 2025
116AQI
26th January 2025
110AQI
27th January 2025
120AQI
28th January 2025
131AQI
29th January 2025
123AQI
30th January 2025
115AQI
31st January 2025
105AQI
1st February 2025
99AQI
2nd February 2025
86AQI
3rd February 2025
87AQI
4th February 2025
107AQI
5th February 2025
124AQI
6th February 2025
161AQI
7th February 2025
124AQI
8th February 2025
125AQI
9th February 2025
129AQI
10th February 2025
138AQI
11th February 2025
141AQI
12th February 2025
116AQI
13th February 2025
109AQI
14th February 2025
105AQI
15th February 2025
103AQI
16th February 2025
92AQI
17th February 2025
98AQI
18th February 2025
103AQI
19th February 2025
108AQI
20th February 2025
112AQI
21st February 2025
101AQI
22nd February 2025
99AQI
23rd February 2025
89AQI
24th February 2025
91AQI
25th February 2025
94AQI
26th February 2025
97AQI
27th February 2025
103AQI
28th February 2025
96AQI
1st March 2025
103AQI
2nd March 2025
96AQI
3rd March 2025
87AQI
4th March 2025
97AQI
5th March 2025
99AQI
6th March 2025
106AQI
7th March 2025
108AQI
8th March 2025
126AQI
9th March 2025
107AQI
10th March 2025
110AQI
11th March 2025
116AQI
12th March 2025
102AQI
13th March 2025
107AQI
14th March 2025
99AQI
15th March 2025
89AQI
16th March 2025
128AQI
17th March 2025
109AQI
18th March 2025
99AQI
19th March 2025
90AQI
20th March 2025
90AQI
21st March 2025
96AQI
22nd March 2025
84AQI
23rd March 2025
80AQI
24th March 2025
93AQI
25th March 2025
97AQI
26th March 2025
105AQI
27th March 2025
99AQI
28th March 2025
97AQI
29th March 2025
97AQI
30th March 2025
101AQI
31st March 2025
99AQI
1st April 2025
100AQI
2nd April 2025
105AQI
3rd April 2025
101AQI
4th April 2025
92AQI
5th April 2025
81AQI
6th April 2025
65AQI
7th April 2025
72AQI
8th April 2025
74AQI
9th April 2025
83AQI
10th April 2025
83AQI
11th April 2025
82AQI
12th April 2025
81AQI
13th April 2025
79AQI
14th April 2025
80AQI
15th April 2025
73AQI
16th April 2025
76AQI
17th April 2025
76AQI
18th April 2025
77AQI
19th April 2025
81AQI
20th April 2025
83AQI
21st April 2025
82AQI
22nd April 2025
89AQI
23rd April 2025
85AQI
24th April 2025
85AQI
25th April 2025
92AQI
26th April 2025
81AQI
27th April 2025
76AQI
28th April 2025
76AQI
29th April 2025
77AQI
30th April 2025
76AQI
1st May 2025
76AQI
2nd May 2025
77AQI
3rd May 2025
80AQI
4th May 2025
70AQI
5th May 2025
75AQI
6th May 2025
73AQI
7th May 2025
78AQI
8th May 2025
81AQI
9th May 2025
84AQI
10th May 2025
85AQI
11th May 2025
76AQI
12th May 2025
70AQI
13th May 2025
64AQI
14th May 2025
64AQI
15th May 2025
68AQI
16th May 2025
73AQI
17th May 2025
73AQI
18th May 2025
67AQI
19th May 2025
64AQI
20th May 2025
65AQI
21st May 2025
66AQI
22nd May 2025
72AQI
23rd May 2025
65AQI
24th May 2025
64AQI
25th May 2025
63AQI
26th May 2025
55AQI
27th May 2025
64AQI
28th May 2025
60AQI
29th May 2025
58AQI
30th May 2025
58AQI
31st May 2025
62AQI
1st June 2025
65AQI
2nd June 2025
66AQI
3rd June 2025
66AQI
4th June 2025
69AQI
5th June 2025
75AQI
6th June 2025
79AQI
7th June 2025
77AQI
8th June 2025
67AQI
9th June 2025
66AQI
10th June 2025
69AQI
11th June 2025
69AQI
12th June 2025
67AQI
13th June 2025
67AQI
14th June 2025
66AQI
15th June 2025
65AQI
16th June 2025
66AQI
17th June 2025
62AQI
18th June 2025
62AQI
19th June 2025
61AQI
20th June 2025
61AQI
21st June 2025
64AQI
22nd June 2025
71AQI
23rd June 2025
67AQI
24th June 2025
65AQI
25th June 2025
65AQI
26th June 2025
63AQI
27th June 2025
62AQI
28th June 2025
62AQI
29th June 2025
62AQI
30th June 2025
62AQI
1st July 2025
61AQI
2nd July 2025
64AQI
3rd July 2025
59AQI
4th July 2025
66AQI
5th July 2025
82AQI
6th July 2025
77AQI
7th July 2025
86AQI
8th July 2025
76AQI
9th July 2025
73AQI
10th July 2025
71AQI
11th July 2025
70AQI
12th July 2025
68AQI
13th July 2025
67AQI
14th July 2025
66AQI
15th July 2025
64AQI
16th July 2025
64AQI
17th July 2025
62AQI
18th July 2025
62AQI
19th July 2025
62AQI
20th July 2025
63AQI
21st July 2025
59AQI
22nd July 2025
59AQI
23rd July 2025
60AQI
24th July 2025
59AQI
25th July 2025
62AQI
26th July 2025
59AQI
27th July 2025
55AQI
28th July 2025
54AQI
29th July 2025
61AQI
30th July 2025
58AQI
31st July 2025
58AQI
1st August 2025
66AQI
2nd August 2025
70AQI
3rd August 2025
69AQI
4th August 2025
70AQI
5th August 2025
66AQI
6th August 2025
67AQI
7th August 2025
66AQI
8th August 2025
70AQI
9th August 2025
68AQI
10th August 2025
66AQI
11th August 2025
68AQI
12th August 2025
69AQI
13th August 2025
64AQI
14th August 2025
64AQI
15th August 2025
63AQI
16th August 2025
61AQI
17th August 2025
60AQI
18th August 2025
60AQI
19th August 2025
61AQI
20th August 2025
61AQI
21st August 2025
63AQI
22nd August 2025
66AQI
23rd August 2025
65AQI
24th August 2025
65AQI
25th August 2025
66AQI
26th August 2025
64AQI
27th August 2025
64AQI
28th August 2025
61AQI
29th August 2025
65AQI
30th August 2025
66AQI
31st August 2025
64AQI
1st September 2025
66AQI
2nd September 2025
64AQI
3rd September 2025
65AQI
4th September 2025
65AQI
5th September 2025
68AQI
6th September 2025
66AQI
7th September 2025
66AQI
8th September 2025
68AQI
9th September 2025
75AQI
10th September 2025
75AQI
11th September 2025
74AQI
12th September 2025
75AQI
13th September 2025
80AQI
14th September 2025
78AQI
15th September 2025
76AQI
16th September 2025
71AQI
17th September 2025
70AQI
18th September 2025
66AQI
19th September 2025
69AQI
20th September 2025
69AQI
21st September 2025
66AQI
22nd September 2025
67AQI
23rd September 2025
65AQI
24th September 2025
66AQI
25th September 2025
71AQI
26th September 2025
69AQI
27th September 2025
55AQI
28th September 2025
59AQI
29th September 2025
67AQI
30th September 2025
83AQI
1st October 2025
90AQI
2nd October 2025
66AQI
3rd October 2025
4th October 2025
5th October 2025
6th October 2025
7th October 2025
8th October 2025
9th October 2025
10th October 2025
11th October 2025
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

118AQI

108AQI

101AQI

82AQI

69AQI

66AQI

65AQI

65AQI

69AQI

78AQI

No. of days

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

202582AQI

3
28
11
16
1
18
13
28
2
31
30
31
31
30
2
215
59
1

Highest AQI recorded in

January

118AQI

Lowest AQI recorded in

July

65AQI

202475AQI

25
5
1
26
2
1
24
7
26
4
10
21
1
29
7
24
19
12
3
27
29
2
16
14
12
18
1
40
271
52
2
1

Highest AQI recorded in

December

112AQI

Lowest AQI recorded in

August

47AQI

202367AQI

17
12
2
4
12
12
8
17
6
2
27
1
14
14
1
2
20
10
18
13
23
8
11
19
5
26
19
9
1
7
16
3
5
131
188
35
4
6

Highest AQI recorded in

January

107AQI

Lowest AQI recorded in

November

44AQI

202280AQI

29
2
24
4
21
10
29
1
31
30
2
29
3
9
28
2
23
6
2
13
15
3
18
10
12
284
46
2

Highest AQI recorded in

March

95AQI

Lowest AQI recorded in

August

63AQI

202185AQI

16
15
5
23
13
11
7
4
26
19
11
1
17
13
23
8
11
20
1
27
2
31
27
3
14
15
1
37
219
107
1

Highest AQI recorded in

February

112AQI

Lowest AQI recorded in

May

61AQI

202075AQI

1
9
2
1
25
3
3
26
1
9
21
6
20
4
10
21
9
21
25
6
1
15
14
10
21
40
193
51

Highest AQI recorded in

December

108AQI

Lowest AQI recorded in

August

55AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2021(Avg.)
85AQI
Least Polluted Year Recorded
2023(Avg.)
67AQI

Coimbatore's annual 2025 AQI (82) shows an average percentage change of 8.5% (worsened AQI) compared to previous years: 2020 (75), 2021 (85), 2022 (80), 2023 (67), 2024 (75).