Stella Maris College, 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
Stella Maris College, Chennai, Tamil Nadu, India
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
24th Oct 2022
216AQILowest AQI recorded on
17th Oct 2022
29AQISame Day Analysis (6th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 74 of Moderate air quality, showing improvement over 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 6th Oct - 7th Oct 2025
Stella Maris College, Chennai, Tamil Nadu, India
AQI
Day
Night
.
5 AM6th Oct 2025
6 PM
4 AM7th Oct 2025
Day time
Avg. Highest Time
2PM6th Oct
100AQI
Avg. Lowest Time
5AM6th Oct
62AQI
Night time
Avg. Highest Time
10PM6th Oct
139AQI
Avg. Lowest Time
6PM6th Oct
104AQI
In the last 24 hours,
Stella Maris College's AQI reached its highest point of 139 at 10 PM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 6th Oct and 7th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Stella Maris College, Chennai, Tamil Nadu, India
SepOct
07th - 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 - 05th05th - 06th06th - 07th07th
Day
Night
7th Sep 2025715 AMAQI
7th Sep 2025626 AMAQI
7th Sep 2025767 AMAQI
7th Sep 2025648 AMAQI
7th Sep 2025709 AMAQI
7th Sep 20257310 AMAQI
7th Sep 20257111 AMAQI
7th Sep 20256512 PMAQI
7th Sep 2025621 PMAQI
7th Sep 2025622 PMAQI
7th Sep 2025633 PMAQI
7th Sep 2025634 PMAQI
7th Sep 2025685 PMAQI
7th Sep 2025646 PMAQI
7th Sep 2025707 PMAQI
7th Sep 2025818 PMAQI
7th Sep 2025799 PMAQI
7th Sep 20257810 PMAQI
7th Sep 20258011 PMAQI
8th Sep 20257212 AMAQI
8th Sep 2025701 AMAQI
8th Sep 2025702 AMAQI
8th Sep 2025703 AMAQI
8th Sep 2025704 AMAQI
30°C28/33°C
8th Sep 2025625 AMAQI
8th Sep 2025616 AMAQI
8th Sep 2025537 AMAQI
8th Sep 2025598 AMAQI
8th Sep 2025669 AMAQI
8th Sep 20256110 AMAQI
8th Sep 20257811 AMAQI
8th Sep 20259012 PMAQI
8th Sep 2025781 PMAQI
8th Sep 2025682 PMAQI
8th Sep 2025723 PMAQI
8th Sep 2025684 PMAQI
8th Sep 2025685 PMAQI
8th Sep 2025766 PMAQI
8th Sep 2025727 PMAQI
8th Sep 2025738 PMAQI
8th Sep 2025829 PMAQI
8th Sep 20257510 PMAQI
8th Sep 20257711 PMAQI
9th Sep 20257512 AMAQI
9th Sep 2025701 AMAQI
9th Sep 2025702 AMAQI
9th Sep 2025683 AMAQI
9th Sep 2025684 AMAQI
30°C28/33°C
9th Sep 2025725 AMAQI
9th Sep 2025806 AMAQI
9th Sep 2025787 AMAQI
9th Sep 2025828 AMAQI
9th Sep 2025919 AMAQI
9th Sep 20258110 AMAQI
9th Sep 20257811 AMAQI
9th Sep 20257412 PMAQI
9th Sep 2025731 PMAQI
9th Sep 2025772 PMAQI
9th Sep 2025853 PMAQI
9th Sep 2025824 PMAQI
9th Sep 2025865 PMAQI
9th Sep 2025756 PMAQI
9th Sep 2025807 PMAQI
9th Sep 2025738 PMAQI
9th Sep 2025839 PMAQI
9th Sep 202510210 PMAQI
9th Sep 20258811 PMAQI
10th Sep 20258012 AMAQI
10th Sep 2025761 AMAQI
10th Sep 2025732 AMAQI
10th Sep 2025733 AMAQI
10th Sep 2025744 AMAQI
30°C28/33°C
10th Sep 2025745 AMAQI
10th Sep 2025806 AMAQI
10th Sep 2025827 AMAQI
10th Sep 2025938 AMAQI
10th Sep 2025929 AMAQI
10th Sep 20258710 AMAQI
10th Sep 20259911 AMAQI
10th Sep 20258812 PMAQI
10th Sep 2025961 PMAQI
10th Sep 2025872 PMAQI
10th Sep 2025823 PMAQI
10th Sep 2025884 PMAQI
10th Sep 2025795 PMAQI
10th Sep 2025846 PMAQI
10th Sep 2025777 PMAQI
10th Sep 2025798 PMAQI
10th Sep 2025829 PMAQI
10th Sep 20258210 PMAQI
10th Sep 20258011 PMAQI
11th Sep 20257612 AMAQI
11th Sep 2025781 AMAQI
11th Sep 2025812 AMAQI
11th Sep 2025803 AMAQI
11th Sep 2025794 AMAQI
30°C28/33°C
11th Sep 2025815 AMAQI
11th Sep 2025736 AMAQI
11th Sep 2025767 AMAQI
11th Sep 2025668 AMAQI
11th Sep 2025829 AMAQI
11th Sep 20258010 AMAQI
11th Sep 20257511 AMAQI
11th Sep 20257312 PMAQI
11th Sep 2025771 PMAQI
11th Sep 2025842 PMAQI
11th Sep 2025763 PMAQI
11th Sep 2025864 PMAQI
11th Sep 2025785 PMAQI
11th Sep 2025826 PMAQI
11th Sep 2025887 PMAQI
11th Sep 2025948 PMAQI
11th Sep 2025869 PMAQI
11th Sep 20258510 PMAQI
11th Sep 20258011 PMAQI
12th Sep 20257812 AMAQI
12th Sep 2025801 AMAQI
12th Sep 2025812 AMAQI
12th Sep 2025783 AMAQI
12th Sep 2025824 AMAQI
30°C27/33°C
12th Sep 2025735 AMAQI
12th Sep 2025776 AMAQI
12th Sep 2025707 AMAQI
12th Sep 2025788 AMAQI
12th Sep 2025809 AMAQI
12th Sep 20258310 AMAQI
12th Sep 20258211 AMAQI
12th Sep 20257612 PMAQI
12th Sep 2025771 PMAQI
12th Sep 2025842 PMAQI
12th Sep 2025743 PMAQI
12th Sep 2025774 PMAQI
12th Sep 2025785 PMAQI
12th Sep 2025766 PMAQI
12th Sep 2025827 PMAQI
12th Sep 2025888 PMAQI
12th Sep 2025969 PMAQI
12th Sep 20258710 PMAQI
12th Sep 20258511 PMAQI
13th Sep 20258012 AMAQI
13th Sep 2025791 AMAQI
13th Sep 2025792 AMAQI
13th Sep 2025803 AMAQI
13th Sep 2025804 AMAQI
30°C28/32°C
13th Sep 2025795 AMAQI
13th Sep 2025786 AMAQI
13th Sep 20251007 AMAQI
13th Sep 20251048 AMAQI
13th Sep 2025959 AMAQI
13th Sep 20258410 AMAQI
13th Sep 20257911 AMAQI
13th Sep 20257712 PMAQI
13th Sep 2025921 PMAQI
13th Sep 2025932 PMAQI
13th Sep 2025763 PMAQI
13th Sep 2025824 PMAQI
13th Sep 2025765 PMAQI
13th Sep 2025846 PMAQI
13th Sep 2025817 PMAQI
13th Sep 2025838 PMAQI
13th Sep 2025869 PMAQI
13th Sep 20258510 PMAQI
13th Sep 20259611 PMAQI
14th Sep 20258412 AMAQI
14th Sep 2025841 AMAQI
14th Sep 2025822 AMAQI
14th Sep 2025813 AMAQI
14th Sep 2025824 AMAQI
30°C28/32°C
14th Sep 2025785 AMAQI
14th Sep 2025586 AMAQI
14th Sep 2025617 AMAQI
14th Sep 2025678 AMAQI
14th Sep 2025739 AMAQI
14th Sep 20256710 AMAQI
14th Sep 20258011 AMAQI
14th Sep 20257412 PMAQI
14th Sep 2025721 PMAQI
14th Sep 2025772 PMAQI
14th Sep 2025623 PMAQI
14th Sep 2025714 PMAQI
14th Sep 2025775 PMAQI
14th Sep 2025726 PMAQI
14th Sep 2025757 PMAQI
14th Sep 2025808 PMAQI
14th Sep 2025849 PMAQI
14th Sep 20258610 PMAQI
14th Sep 20258611 PMAQI
15th Sep 20258012 AMAQI
15th Sep 2025781 AMAQI
15th Sep 2025822 AMAQI
15th Sep 2025783 AMAQI
15th Sep 2025784 AMAQI
29°C28/32°C
15th Sep 2025685 AMAQI
15th Sep 2025726 AMAQI
15th Sep 2025617 AMAQI
15th Sep 2025688 AMAQI
15th Sep 2025689 AMAQI
15th Sep 20258010 AMAQI
15th Sep 20257811 AMAQI
15th Sep 20257612 PMAQI
15th Sep 2025701 PMAQI
15th Sep 2025722 PMAQI
15th Sep 2025733 PMAQI
15th Sep 2025744 PMAQI
15th Sep 2025795 PMAQI
15th Sep 2025796 PMAQI
15th Sep 2025727 PMAQI
15th Sep 2025828 PMAQI
15th Sep 2025859 PMAQI
15th Sep 20258210 PMAQI
15th Sep 20257911 PMAQI
16th Sep 20257812 AMAQI
16th Sep 2025741 AMAQI
16th Sep 2025752 AMAQI
16th Sep 2025743 AMAQI
16th Sep 2025744 AMAQI
30°C28/33°C
16th Sep 2025735 AMAQI
16th Sep 2025606 AMAQI
16th Sep 2025637 AMAQI
16th Sep 2025688 AMAQI
16th Sep 2025699 AMAQI
16th Sep 20258510 AMAQI
16th Sep 20257111 AMAQI
16th Sep 20256412 PMAQI
16th Sep 2025631 PMAQI
16th Sep 2025662 PMAQI
16th Sep 2025633 PMAQI
16th Sep 2025664 PMAQI
16th Sep 2025735 PMAQI
16th Sep 2025726 PMAQI
16th Sep 2025807 PMAQI
16th Sep 2025778 PMAQI
16th Sep 2025789 PMAQI
16th Sep 20257710 PMAQI
16th Sep 20258211 PMAQI
17th Sep 20257212 AMAQI
17th Sep 2025711 AMAQI
17th Sep 2025722 AMAQI
17th Sep 2025703 AMAQI
17th Sep 2025724 AMAQI
30°C28/32°C
17th Sep 2025665 AMAQI
17th Sep 2025686 AMAQI
17th Sep 2025597 AMAQI
17th Sep 2025628 AMAQI
17th Sep 2025699 AMAQI
17th Sep 20256410 AMAQI
17th Sep 20257411 AMAQI
17th Sep 20257512 PMAQI
17th Sep 2025621 PMAQI
17th Sep 2025612 PMAQI
17th Sep 2025723 PMAQI
17th Sep 2025664 PMAQI
17th Sep 2025665 PMAQI
17th Sep 2025686 PMAQI
17th Sep 2025697 PMAQI
17th Sep 2025718 PMAQI
17th Sep 2025709 PMAQI
17th Sep 20257210 PMAQI
17th Sep 20257211 PMAQI
18th Sep 20256912 AMAQI
18th Sep 2025681 AMAQI
18th Sep 2025692 AMAQI
18th Sep 2025693 AMAQI
18th Sep 2025694 AMAQI
30°C28/32°C
18th Sep 2025685 AMAQI
18th Sep 2025616 AMAQI
18th Sep 2025617 AMAQI
18th Sep 2025638 AMAQI
18th Sep 2025649 AMAQI
18th Sep 20256410 AMAQI
18th Sep 20256611 AMAQI
18th Sep 20256512 PMAQI
18th Sep 2025621 PMAQI
18th Sep 2025662 PMAQI
18th Sep 2025643 PMAQI
18th Sep 2025664 PMAQI
18th Sep 2025695 PMAQI
18th Sep 2025676 PMAQI
18th Sep 2025677 PMAQI
18th Sep 2025688 PMAQI
18th Sep 2025709 PMAQI
18th Sep 20256710 PMAQI
18th Sep 20256711 PMAQI
19th Sep 20256612 AMAQI
19th Sep 2025681 AMAQI
19th Sep 2025682 AMAQI
19th Sep 2025683 AMAQI
19th Sep 2025694 AMAQI
29°C28/32°C
19th Sep 2025645 AMAQI
19th Sep 2025436 AMAQI
19th Sep 2025497 AMAQI
19th Sep 2025578 AMAQI
19th Sep 2025699 AMAQI
19th Sep 20257110 AMAQI
19th Sep 20257011 AMAQI
19th Sep 20257212 PMAQI
19th Sep 2025751 PMAQI
19th Sep 2025752 PMAQI
19th Sep 2025743 PMAQI
19th Sep 2025714 PMAQI
19th Sep 2025695 PMAQI
19th Sep 2025706 PMAQI
19th Sep 2025707 PMAQI
19th Sep 2025678 PMAQI
19th Sep 2025689 PMAQI
19th Sep 20256710 PMAQI
19th Sep 20257011 PMAQI
20th Sep 20256812 AMAQI
20th Sep 2025671 AMAQI
20th Sep 2025672 AMAQI
20th Sep 2025663 AMAQI
20th Sep 2025654 AMAQI
29°C25/33°C
20th Sep 2025655 AMAQI
20th Sep 2025646 AMAQI
20th Sep 2025647 AMAQI
20th Sep 2025708 AMAQI
20th Sep 2025689 AMAQI
20th Sep 20257110 AMAQI
20th Sep 20257111 AMAQI
20th Sep 20257812 PMAQI
20th Sep 2025761 PMAQI
20th Sep 2025782 PMAQI
20th Sep 2025723 PMAQI
20th Sep 2025704 PMAQI
20th Sep 2025655 PMAQI
20th Sep 2025686 PMAQI
20th Sep 2025687 PMAQI
20th Sep 2025718 PMAQI
20th Sep 2025719 PMAQI
20th Sep 20257110 PMAQI
20th Sep 20256811 PMAQI
21st Sep 20256812 AMAQI
21st Sep 2025681 AMAQI
21st Sep 2025692 AMAQI
21st Sep 2025683 AMAQI
21st Sep 2025684 AMAQI
27°C25/28°C
21st Sep 2025675 AMAQI
21st Sep 2025666 AMAQI
21st Sep 2025707 AMAQI
21st Sep 2025848 AMAQI
21st Sep 2025809 AMAQI
21st Sep 20258410 AMAQI
21st Sep 20258311 AMAQI
21st Sep 20257812 PMAQI
21st Sep 2025741 PMAQI
21st Sep 2025722 PMAQI
21st Sep 2025623 PMAQI
21st Sep 2025654 PMAQI
21st Sep 2025665 PMAQI
21st Sep 2025676 PMAQI
21st Sep 2025697 PMAQI
21st Sep 2025728 PMAQI
21st Sep 2025739 PMAQI
21st Sep 20257610 PMAQI
21st Sep 20257511 PMAQI
22nd Sep 20257212 AMAQI
22nd Sep 2025691 AMAQI
22nd Sep 2025712 AMAQI
22nd Sep 2025693 AMAQI
22nd Sep 2025704 AMAQI
29°C25/32°C
22nd Sep 2025645 AMAQI
22nd Sep 2025506 AMAQI
22nd Sep 2025647 AMAQI
22nd Sep 2025658 AMAQI
22nd Sep 2025729 AMAQI
22nd Sep 20256810 AMAQI
22nd Sep 20257011 AMAQI
22nd Sep 20256912 PMAQI
22nd Sep 2025741 PMAQI
22nd Sep 2025702 PMAQI
22nd Sep 2025683 PMAQI
22nd Sep 2025634 PMAQI
22nd Sep 2025685 PMAQI
22nd Sep 2025706 PMAQI
22nd Sep 2025737 PMAQI
22nd Sep 2025748 PMAQI
22nd Sep 2025769 PMAQI
22nd Sep 20258010 PMAQI
22nd Sep 20258211 PMAQI
23rd Sep 20257712 AMAQI
23rd Sep 2025701 AMAQI
23rd Sep 2025692 AMAQI
23rd Sep 2025703 AMAQI
23rd Sep 2025694 AMAQI
29°C27/32°C
23rd Sep 2025665 AMAQI
23rd Sep 2025596 AMAQI
23rd Sep 2025607 AMAQI
23rd Sep 2025648 AMAQI
23rd Sep 2025769 AMAQI
23rd Sep 20257810 AMAQI
23rd Sep 20257511 AMAQI
23rd Sep 20257212 PMAQI
23rd Sep 2025701 PMAQI
23rd Sep 2025672 PMAQI
23rd Sep 2025643 PMAQI
23rd Sep 2025654 PMAQI
23rd Sep 2025665 PMAQI
23rd Sep 2025686 PMAQI
23rd Sep 2025727 PMAQI
23rd Sep 2025758 PMAQI
23rd Sep 2025789 PMAQI
23rd Sep 20258210 PMAQI
23rd Sep 20257811 PMAQI
24th Sep 20257812 AMAQI
24th Sep 2025721 AMAQI
24th Sep 2025712 AMAQI
24th Sep 2025693 AMAQI
24th Sep 2025704 AMAQI
30°C27/33°C
24th Sep 2025655 AMAQI
24th Sep 2025646 AMAQI
24th Sep 2025647 AMAQI
24th Sep 2025688 AMAQI
24th Sep 2025699 AMAQI
24th Sep 20257210 AMAQI
24th Sep 20256911 AMAQI
24th Sep 20257512 PMAQI
24th Sep 2025711 PMAQI
24th Sep 2025682 PMAQI
24th Sep 2025663 PMAQI
24th Sep 2025674 PMAQI
24th Sep 2025675 PMAQI
24th Sep 2025686 PMAQI
24th Sep 2025737 PMAQI
24th Sep 2025768 PMAQI
24th Sep 2025769 PMAQI
24th Sep 20257510 PMAQI
24th Sep 20257611 PMAQI
25th Sep 20257512 AMAQI
25th Sep 2025701 AMAQI
25th Sep 2025682 AMAQI
25th Sep 2025703 AMAQI
25th Sep 2025714 AMAQI
31°C28/34°C
25th Sep 2025695 AMAQI
25th Sep 2025666 AMAQI
25th Sep 2025737 AMAQI
25th Sep 2025818 AMAQI
25th Sep 2025809 AMAQI
25th Sep 20257810 AMAQI
25th Sep 20257411 AMAQI
25th Sep 20257412 PMAQI
25th Sep 2025871 PMAQI
25th Sep 2025872 PMAQI
25th Sep 2025693 PMAQI
25th Sep 2025664 PMAQI
25th Sep 2025685 PMAQI
25th Sep 2025736 PMAQI
25th Sep 2025837 PMAQI
25th Sep 2025808 PMAQI
25th Sep 2025859 PMAQI
25th Sep 20258610 PMAQI
25th Sep 20258211 PMAQI
26th Sep 20257012 AMAQI
26th Sep 2025631 AMAQI
26th Sep 2025572 AMAQI
26th Sep 2025563 AMAQI
26th Sep 2025554 AMAQI
31°C28/34°C
26th Sep 2025545 AMAQI
26th Sep 2025576 AMAQI
26th Sep 2025607 AMAQI
26th Sep 2025688 AMAQI
26th Sep 2025759 AMAQI
26th Sep 20257210 AMAQI
26th Sep 20257211 AMAQI
26th Sep 20256712 PMAQI
26th Sep 2025641 PMAQI
26th Sep 2025672 PMAQI
26th Sep 2025643 PMAQI
26th Sep 2025604 PMAQI
26th Sep 2025605 PMAQI
26th Sep 2025636 PMAQI
26th Sep 2025667 PMAQI
26th Sep 2025878 PMAQI
26th Sep 2025929 PMAQI
26th Sep 20259810 PMAQI
26th Sep 20258511 PMAQI
27th Sep 20257112 AMAQI
27th Sep 2025721 AMAQI
27th Sep 2025682 AMAQI
27th Sep 2025633 AMAQI
27th Sep 2025614 AMAQI
30°C28/33°C
27th Sep 2025665 AMAQI
27th Sep 2025706 AMAQI
27th Sep 2025757 AMAQI
27th Sep 2025818 AMAQI
27th Sep 2025779 AMAQI
27th Sep 20257210 AMAQI
27th Sep 20256711 AMAQI
27th Sep 20256712 PMAQI
27th Sep 2025671 PMAQI
27th Sep 2025702 PMAQI
27th Sep 2025673 PMAQI
27th Sep 2025634 PMAQI
27th Sep 2025625 PMAQI
27th Sep 2025686 PMAQI
27th Sep 2025717 PMAQI
27th Sep 2025768 PMAQI
27th Sep 2025749 PMAQI
27th Sep 20257110 PMAQI
27th Sep 20257311 PMAQI
28th Sep 20257012 AMAQI
28th Sep 2025691 AMAQI
28th Sep 2025672 AMAQI
28th Sep 2025643 AMAQI
28th Sep 2025614 AMAQI
30°C27/34°C
28th Sep 2025605 AMAQI
28th Sep 2025616 AMAQI
28th Sep 2025687 AMAQI
28th Sep 2025728 AMAQI
28th Sep 2025719 AMAQI
28th Sep 20256810 AMAQI
28th Sep 20256611 AMAQI
28th Sep 20256012 PMAQI
28th Sep 2025561 PMAQI
28th Sep 2025542 PMAQI
28th Sep 2025543 PMAQI
28th Sep 2025554 PMAQI
28th Sep 2025565 PMAQI
28th Sep 2025656 PMAQI
28th Sep 2025737 PMAQI
28th Sep 2025858 PMAQI
28th Sep 2025849 PMAQI
28th Sep 20257710 PMAQI
28th Sep 20257911 PMAQI
29th Sep 20257412 AMAQI
29th Sep 2025681 AMAQI
29th Sep 2025712 AMAQI
29th Sep 2025773 AMAQI
29th Sep 2025804 AMAQI
30°C27/34°C
29th Sep 2025685 AMAQI
29th Sep 2025666 AMAQI
29th Sep 2025767 AMAQI
29th Sep 2025838 AMAQI
29th Sep 2025919 AMAQI
29th Sep 20259610 AMAQI
29th Sep 20258911 AMAQI
29th Sep 20258512 PMAQI
29th Sep 2025841 PMAQI
29th Sep 2025812 PMAQI
29th Sep 2025763 PMAQI
29th Sep 2025764 PMAQI
29th Sep 2025785 PMAQI
29th Sep 2025776 PMAQI
29th Sep 2025767 PMAQI
29th Sep 2025818 PMAQI
29th Sep 2025829 PMAQI
29th Sep 20258610 PMAQI
29th Sep 20259011 PMAQI
30th Sep 20259412 AMAQI
30th Sep 2025871 AMAQI
30th Sep 20251062 AMAQI
30th Sep 2025983 AMAQI
30th Sep 2025854 AMAQI
31°C28/35°C
30th Sep 2025715 AMAQI
30th Sep 2025716 AMAQI
30th Sep 2025757 AMAQI
30th Sep 2025768 AMAQI
30th Sep 2025699 AMAQI
30th Sep 20257510 AMAQI
30th Sep 20258311 AMAQI
30th Sep 20258212 PMAQI
30th Sep 2025821 PMAQI
30th Sep 2025732 PMAQI
30th Sep 2025763 PMAQI
30th Sep 2025844 PMAQI
30th Sep 2025715 PMAQI
30th Sep 2025786 PMAQI
30th Sep 2025847 PMAQI
30th Sep 2025938 PMAQI
30th Sep 20251039 PMAQI
30th Sep 202512410 PMAQI
30th Sep 202512711 PMAQI
1st Oct 202510012 AMAQI
1st Oct 20251061 AMAQI
1st Oct 2025892 AMAQI
1st Oct 2025993 AMAQI
1st Oct 2025864 AMAQI
29°C28/32°C
1st Oct 2025845 AMAQI
1st Oct 2025996 AMAQI
1st Oct 20251057 AMAQI
1st Oct 20251128 AMAQI
1st Oct 20251029 AMAQI
1st Oct 20259110 AMAQI
1st Oct 20259111 AMAQI
1st Oct 20258312 PMAQI
1st Oct 2025911 PMAQI
1st Oct 2025882 PMAQI
1st Oct 2025783 PMAQI
1st Oct 2025804 PMAQI
1st Oct 2025815 PMAQI
1st Oct 2025876 PMAQI
1st Oct 2025887 PMAQI
1st Oct 2025848 PMAQI
1st Oct 2025989 PMAQI
1st Oct 20259810 PMAQI
1st Oct 20259811 PMAQI
2nd Oct 20258912 AMAQI
2nd Oct 2025921 AMAQI
2nd Oct 2025832 AMAQI
2nd Oct 2025873 AMAQI
2nd Oct 2025814 AMAQI
29°C27/31°C
2nd Oct 2025785 AMAQI
2nd Oct 2025766 AMAQI
2nd Oct 2025817 AMAQI
2nd Oct 2025938 AMAQI
2nd Oct 2025969 AMAQI
2nd Oct 20259810 AMAQI
2nd Oct 20259511 AMAQI
2nd Oct 20259012 PMAQI
2nd Oct 2025831 PMAQI
2nd Oct 2025792 PMAQI
2nd Oct 2025783 PMAQI
2nd Oct 2025704 PMAQI
2nd Oct 2025745 PMAQI
2nd Oct 2025786 PMAQI
2nd Oct 2025807 PMAQI
2nd Oct 2025838 PMAQI
2nd Oct 2025869 PMAQI
2nd Oct 20259510 PMAQI
2nd Oct 202511511 PMAQI
3rd Oct 202511112 AMAQI
3rd Oct 20251361 AMAQI
3rd Oct 20251322 AMAQI
3rd Oct 20251233 AMAQI
3rd Oct 20251004 AMAQI
29°C26/34°C
3rd Oct 2025825 AMAQI
3rd Oct 2025816 AMAQI
3rd Oct 2025777 AMAQI
3rd Oct 2025798 AMAQI
3rd Oct 2025889 AMAQI
3rd Oct 20259410 AMAQI
3rd Oct 20259411 AMAQI
3rd Oct 202510312 PMAQI
3rd Oct 2025961 PMAQI
3rd Oct 2025962 PMAQI
3rd Oct 2025903 PMAQI
3rd Oct 2025864 PMAQI
3rd Oct 2025685 PMAQI
3rd Oct 2025946 PMAQI
3rd Oct 2025997 PMAQI
3rd Oct 20251018 PMAQI
3rd Oct 20251059 PMAQI
3rd Oct 202510710 PMAQI
3rd Oct 202510411 PMAQI
4th Oct 20259712 AMAQI
4th Oct 2025961 AMAQI
4th Oct 2025852 AMAQI
4th Oct 2025883 AMAQI
4th Oct 2025824 AMAQI
29°C27/33°C
4th Oct 2025815 AMAQI
4th Oct 2025806 AMAQI
4th Oct 2025807 AMAQI
4th Oct 2025848 AMAQI
4th Oct 2025819 AMAQI
4th Oct 20258310 AMAQI
4th Oct 20257511 AMAQI
4th Oct 20257112 PMAQI
4th Oct 2025771 PMAQI
4th Oct 2025752 PMAQI
4th Oct 2025783 PMAQI
4th Oct 2025724 PMAQI
4th Oct 2025805 PMAQI
4th Oct 2025816 PMAQI
4th Oct 2025827 PMAQI
4th Oct 2025908 PMAQI
4th Oct 20251009 PMAQI
4th Oct 202511110 PMAQI
4th Oct 202510311 PMAQI
5th Oct 20259712 AMAQI
5th Oct 20251011 AMAQI
5th Oct 2025942 AMAQI
5th Oct 2025943 AMAQI
5th Oct 2025904 AMAQI
30°C27/34°C
5th Oct 2025815 AMAQI
5th Oct 2025916 AMAQI
5th Oct 2025977 AMAQI
5th Oct 20251028 AMAQI
5th Oct 20251049 AMAQI
5th Oct 202510710 AMAQI
5th Oct 202510611 AMAQI
5th Oct 20258212 PMAQI
5th Oct 2025791 PMAQI
5th Oct 2025772 PMAQI
5th Oct 2025773 PMAQI
5th Oct 2025804 PMAQI
5th Oct 2025835 PMAQI
5th Oct 20251036 PMAQI
5th Oct 2025927 PMAQI
5th Oct 2025928 PMAQI
5th Oct 2025929 PMAQI
5th Oct 20258610 PMAQI
5th Oct 20258611 PMAQI
6th Oct 20257612 AMAQI
6th Oct 2025751 AMAQI
6th Oct 2025712 AMAQI
6th Oct 2025713 AMAQI
6th Oct 2025634 AMAQI
29°C27/32°C
6th Oct 2025625 AMAQI
6th Oct 2025686 AMAQI
6th Oct 2025687 AMAQI
6th Oct 2025748 AMAQI
6th Oct 2025819 AMAQI
6th Oct 20258810 AMAQI
6th Oct 20259011 AMAQI
6th Oct 20259112 PMAQI
6th Oct 2025941 PMAQI
6th Oct 20251002 PMAQI
6th Oct 2025973 PMAQI
6th Oct 2025894 PMAQI
6th Oct 2025925 PMAQI
6th Oct 20251046 PMAQI
6th Oct 20251167 PMAQI
6th Oct 20251188 PMAQI
6th Oct 20251249 PMAQI
6th Oct 202513910 PMAQI
30°C27/33°C
5 AM
11 AM
7th Oct 20251145 PMAQI
7th Oct 2025926 PMAQI
6 PM7th Oct 20251007 PMAQI
11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
9 AM - 2 PM
78AQI
6 hours / Day
180 hours / Month
Avg. Lowest Time
5 AM - 6 AM
70AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 AM to 2 PM (Avg. 78), while the lowest AQI was between 5 AM to 6 AM (Avg. 70).
Night time
Avg. Highest Time
9 PM - 11 PM
86AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
12 AM - 4 AM
77AQI
5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 PM to 11 PM (Avg. 86), while the lowest AQI was between 12 AM to 4 AM (Avg. 77).
2025 Days Vs Air Quality
Stella Maris College, Chennai, Tamil Nadu, India
2025
82%
228
18%
49
0.7%
2
Total number of days with different AQI categories in last 280 days in 2025 (85 days remaining)
Good
0 DaysModerate
228 DaysPoor
49 DaysUnhealthy
2 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 0%
Health Risk Level:
Extreme
In 2025, 0% of 280 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
Stella Maris College, 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
114AQI
114AQI
2nd January 2025
139AQI
139AQI
3rd January 2025
142AQI
142AQI
4th January 2025
147AQI
147AQI
5th January 2025
151AQI
151AQI
6th January 2025
154AQI
154AQI
7th January 2025
142AQI
142AQI
8th January 2025
148AQI
148AQI
9th January 2025
144AQI
144AQI
10th January 2025
145AQI
145AQI
11th January 2025
112AQI
112AQI
12th January 2025
117AQI
117AQI
13th January 2025
111AQI
111AQI
14th January 2025
86AQI
86AQI
15th January 2025
81AQI
81AQI
16th January 2025
125AQI
125AQI
17th January 2025
135AQI
135AQI
18th January 2025
125AQI
125AQI
19th January 2025
109AQI
109AQI
20th January 2025
133AQI
133AQI
21st January 2025
133AQI
133AQI
22nd January 2025
140AQI
140AQI
23rd January 2025
110AQI
110AQI
24th January 2025
110AQI
110AQI
25th January 2025
105AQI
105AQI
26th January 2025
102AQI
102AQI
27th January 2025
113AQI
113AQI
28th January 2025
134AQI
134AQI
29th January 2025
132AQI
132AQI
30th January 2025
127AQI
127AQI
31st January 2025
97AQI
97AQI
1st February 2025
92AQI
92AQI
2nd February 2025
84AQI
84AQI
3rd February 2025
81AQI
81AQI
4th February 2025
97AQI
97AQI
5th February 2025
120AQI
120AQI
6th February 2025
129AQI
129AQI
7th February 2025
135AQI
135AQI
8th February 2025
133AQI
133AQI
9th February 2025
136AQI
136AQI
10th February 2025
140AQI
140AQI
11th February 2025
112AQI
112AQI
12th February 2025
118AQI
118AQI
13th February 2025
95AQI
95AQI
14th February 2025
99AQI
99AQI
15th February 2025
96AQI
96AQI
16th February 2025
100AQI
100AQI
17th February 2025
118AQI
118AQI
18th February 2025
121AQI
121AQI
19th February 2025
120AQI
120AQI
20th February 2025
107AQI
107AQI
21st February 2025
102AQI
102AQI
22nd February 2025
103AQI
103AQI
23rd February 2025
96AQI
96AQI
24th February 2025
95AQI
95AQI
25th February 2025
114AQI
114AQI
26th February 2025
120AQI
120AQI
27th February 2025
107AQI
107AQI
28th February 2025
103AQI
103AQI
1st March 2025
81AQI
81AQI
2nd March 2025
73AQI
73AQI
3rd March 2025
75AQI
75AQI
4th March 2025
73AQI
73AQI
5th March 2025
73AQI
73AQI
6th March 2025
94AQI
94AQI
7th March 2025
114AQI
114AQI
8th March 2025
103AQI
103AQI
9th March 2025
90AQI
90AQI
10th March 2025
92AQI
92AQI
11th March 2025
86AQI
86AQI
12th March 2025
81AQI
81AQI
13th March 2025
72AQI
72AQI
14th March 2025
86AQI
86AQI
15th March 2025
66AQI
66AQI
16th March 2025
71AQI
71AQI
17th March 2025
85AQI
85AQI
18th March 2025
82AQI
82AQI
19th March 2025
76AQI
76AQI
20th March 2025
77AQI
77AQI
21st March 2025
79AQI
79AQI
22nd March 2025
78AQI
78AQI
23rd March 2025
72AQI
72AQI
24th March 2025
80AQI
80AQI
25th March 2025
86AQI
86AQI
26th March 2025
94AQI
94AQI
27th March 2025
108AQI
108AQI
28th March 2025
96AQI
96AQI
29th March 2025
108AQI
108AQI
30th March 2025
88AQI
88AQI
31st March 2025
94AQI
94AQI
1st April 2025
100AQI
100AQI
2nd April 2025
85AQI
85AQI
3rd April 2025
72AQI
72AQI
4th April 2025
74AQI
74AQI
5th April 2025
65AQI
65AQI
6th April 2025
66AQI
66AQI
7th April 2025
67AQI
67AQI
8th April 2025
68AQI
68AQI
9th April 2025
64AQI
64AQI
10th April 2025
80AQI
80AQI
11th April 2025
80AQI
80AQI
12th April 2025
90AQI
90AQI
13th April 2025
87AQI
87AQI
14th April 2025
77AQI
77AQI
15th April 2025
70AQI
70AQI
16th April 2025
74AQI
74AQI
17th April 2025
75AQI
75AQI
18th April 2025
72AQI
72AQI
19th April 2025
81AQI
81AQI
20th April 2025
78AQI
78AQI
21st April 2025
78AQI
78AQI
22nd April 2025
77AQI
77AQI
23rd April 2025
73AQI
73AQI
24th April 2025
73AQI
73AQI
25th April 2025
73AQI
73AQI
26th April 2025
71AQI
71AQI
27th April 2025
65AQI
65AQI
28th April 2025
58AQI
58AQI
29th April 2025
60AQI
60AQI
30th April 2025
64AQI
64AQI
1st May 2025
68AQI
68AQI
2nd May 2025
69AQI
69AQI
3rd May 2025
79AQI
79AQI
4th May 2025
76AQI
76AQI
5th May 2025
81AQI
81AQI
6th May 2025
75AQI
75AQI
7th May 2025
79AQI
79AQI
8th May 2025
89AQI
89AQI
9th May 2025
92AQI
92AQI
10th May 2025
91AQI
91AQI
11th May 2025
95AQI
95AQI
12th May 2025
92AQI
92AQI
13th May 2025
100AQI
100AQI
14th May 2025
92AQI
92AQI
15th May 2025
96AQI
96AQI
16th May 2025
91AQI
91AQI
17th May 2025
87AQI
87AQI
18th May 2025
82AQI
82AQI
19th May 2025
76AQI
76AQI
20th May 2025
74AQI
74AQI
21st May 2025
69AQI
69AQI
22nd May 2025
81AQI
81AQI
23rd May 2025
81AQI
81AQI
24th May 2025
72AQI
72AQI
25th May 2025
69AQI
69AQI
26th May 2025
68AQI
68AQI
27th May 2025
74AQI
74AQI
28th May 2025
86AQI
86AQI
29th May 2025
73AQI
73AQI
30th May 2025
81AQI
81AQI
31st May 2025
83AQI
83AQI
1st June 2025
82AQI
82AQI
2nd June 2025
83AQI
83AQI
3rd June 2025
79AQI
79AQI
4th June 2025
79AQI
79AQI
5th June 2025
91AQI
91AQI
6th June 2025
98AQI
98AQI
7th June 2025
96AQI
96AQI
8th June 2025
86AQI
86AQI
9th June 2025
90AQI
90AQI
10th June 2025
88AQI
88AQI
11th June 2025
90AQI
90AQI
12th June 2025
87AQI
87AQI
13th June 2025
80AQI
80AQI
14th June 2025
75AQI
75AQI
15th June 2025
75AQI
75AQI
16th June 2025
73AQI
73AQI
17th June 2025
74AQI
74AQI
18th June 2025
75AQI
75AQI
19th June 2025
75AQI
75AQI
20th June 2025
75AQI
75AQI
21st June 2025
70AQI
70AQI
22nd June 2025
71AQI
71AQI
23rd June 2025
68AQI
68AQI
24th June 2025
69AQI
69AQI
25th June 2025
68AQI
68AQI
26th June 2025
66AQI
66AQI
27th June 2025
66AQI
66AQI
28th June 2025
65AQI
65AQI
29th June 2025
64AQI
64AQI
30th June 2025
63AQI
63AQI
1st July 2025
65AQI
65AQI
2nd July 2025
68AQI
68AQI
3rd July 2025
63AQI
63AQI
4th July 2025
65AQI
65AQI
5th July 2025
65AQI
65AQI
6th July 2025
63AQI
63AQI
7th July 2025
64AQI
64AQI
8th July 2025
67AQI
67AQI
9th July 2025
69AQI
69AQI
10th July 2025
71AQI
71AQI
11th July 2025
73AQI
73AQI
12th July 2025
72AQI
72AQI
13th July 2025
73AQI
73AQI
14th July 2025
69AQI
69AQI
15th July 2025
72AQI
72AQI
16th July 2025
71AQI
71AQI
17th July 2025
70AQI
70AQI
18th July 2025
70AQI
70AQI
19th July 2025
70AQI
70AQI
20th July 2025
69AQI
69AQI
21st July 2025
70AQI
70AQI
22nd July 2025
69AQI
69AQI
23rd July 2025
68AQI
68AQI
24th July 2025
70AQI
70AQI
25th July 2025
70AQI
70AQI
26th July 2025
67AQI
67AQI
27th July 2025
67AQI
67AQI
28th July 2025
66AQI
66AQI
29th July 2025
65AQI
65AQI
30th July 2025
65AQI
65AQI
31st July 2025
68AQI
68AQI
1st August 2025
69AQI
69AQI
2nd August 2025
74AQI
74AQI
3rd August 2025
72AQI
72AQI
4th August 2025
70AQI
70AQI
5th August 2025
66AQI
66AQI
6th August 2025
66AQI
66AQI
7th August 2025
71AQI
71AQI
8th August 2025
72AQI
72AQI
9th August 2025
72AQI
72AQI
10th August 2025
69AQI
69AQI
11th August 2025
66AQI
66AQI
12th August 2025
69AQI
69AQI
13th August 2025
64AQI
64AQI
14th August 2025
66AQI
66AQI
15th August 2025
63AQI
63AQI
16th August 2025
62AQI
62AQI
17th August 2025
59AQI
59AQI
18th August 2025
61AQI
61AQI
19th August 2025
60AQI
60AQI
20th August 2025
63AQI
63AQI
21st August 2025
66AQI
66AQI
22nd August 2025
68AQI
68AQI
23rd August 2025
65AQI
65AQI
24th August 2025
68AQI
68AQI
25th August 2025
67AQI
67AQI
26th August 2025
67AQI
67AQI
27th August 2025
68AQI
68AQI
28th August 2025
66AQI
66AQI
29th August 2025
69AQI
69AQI
30th August 2025
68AQI
68AQI
31st August 2025
67AQI
67AQI
1st September 2025
69AQI
69AQI
2nd September 2025
67AQI
67AQI
3rd September 2025
67AQI
67AQI
4th September 2025
72AQI
72AQI
5th September 2025
66AQI
66AQI
6th September 2025
71AQI
71AQI
7th September 2025
71AQI
71AQI
8th September 2025
72AQI
72AQI
9th September 2025
80AQI
80AQI
10th September 2025
82AQI
82AQI
11th September 2025
79AQI
79AQI
12th September 2025
80AQI
80AQI
13th September 2025
85AQI
85AQI
14th September 2025
78AQI
78AQI
15th September 2025
76AQI
76AQI
16th September 2025
74AQI
74AQI
17th September 2025
69AQI
69AQI
18th September 2025
67AQI
67AQI
19th September 2025
67AQI
67AQI
20th September 2025
69AQI
69AQI
21st September 2025
71AQI
71AQI
22nd September 2025
71AQI
71AQI
23rd September 2025
72AQI
72AQI
24th September 2025
72AQI
72AQI
25th September 2025
77AQI
77AQI
26th September 2025
70AQI
70AQI
27th September 2025
70AQI
70AQI
28th September 2025
68AQI
68AQI
29th September 2025
79AQI
79AQI
30th September 2025
89AQI
89AQI
1st October 2025
93AQI
93AQI
2nd October 2025
88AQI
88AQI
3rd October 2025
101AQI
101AQI
4th October 2025
87AQI
87AQI
5th October 2025
93AQI
93AQI
6th October 2025
74AQI
74AQI
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
125AQI
110AQI
85AQI
74AQI
81AQI
77AQI
68AQI
67AQI
73AQI
89AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202584AQI
3
26
2
10
18
27
4
30
31
30
31
31
30
5
1
228
49
2
Highest AQI recorded in
January125AQI
Lowest AQI recorded in
August67AQI
202481AQI
5
22
4
7
22
16
15
10
19
1
16
15
1
29
4
27
8
23
2
26
2
7
16
7
1
12
18
18
13
48
213
100
5
Highest AQI recorded in
January121AQI
Lowest AQI recorded in
May51AQI
202391AQI
4
24
3
10
18
2
21
8
1
27
2
1
25
5
27
3
31
30
1
30
24
7
20
9
9
16
5
1
4
258
93
8
1
Highest AQI recorded in
January125AQI
Lowest AQI recorded in
July70AQI
202286AQI
3
26
2
26
2
26
5
8
19
20
11
24
6
2
27
1
10
1
23
5
2
14
9
5
1
2
14
10
4
15
9
7
18
244
60
16
1
Highest AQI recorded in
December113AQI
Lowest AQI recorded in
April57AQI
202184AQI
3
19
9
4
23
1
15
16
1
17
12
20
11
9
21
10
21
1
18
21
2
26
3
2
25
3
12
17
1
45
194
93
11
Highest AQI recorded in
January134AQI
Lowest AQI recorded in
May42AQI
202083AQI
1
17
18
13
13
13
4
11
20
11
19
11
20
9
19
3
4
25
1
12
14
5
3
11
10
6
4
2
14
11
66
160
76
22
Highest AQI recorded in
December126AQI
Lowest AQI recorded in
July53AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
91AQILeast Polluted Year Recorded
2024(Avg.)
81AQIStella Maris College's annual 2025 AQI (84) shows an average percentage change of -0.7% (improved AQI) compared to previous years: 2020 (83), 2021 (84), 2022 (86), 2023 (91), 2024 (81).
