Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Kolkata, West Bengal, 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+

November Air Quality Analysis

Kolkata, West Bengal, India

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
23rd Nov 2025
315AQI
Lowest AQI recorded on
2nd Nov 2025
86AQI

Same Day Analysis (28th November ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 253 of Severe air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 28th Nov - 29th Nov 2025

Kolkata, West Bengal, India

AQI
Day
Night
.

5 AM28th Nov 2025

4 PM

4 AM29th Nov 2025

Day time
Avg. Highest Time
5AM28th Nov

281AQI

Avg. Lowest Time
3PM28th Nov

128AQI

Night time
Avg. Highest Time
11PM28th Nov

298AQI

Avg. Lowest Time
5PM28th Nov

166AQI

In the last 24 hours,

Kolkata's AQI reached its highest point of 298 at 11 PM during the Night, while the lowest point, 128, was recorded at 3 PM during the Day between 28th Nov and 29th Nov 2025.

Day & Night AQI Trend : Oct - Nov 2025

Kolkata, West Bengal, India

OctNov
30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 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
Day
Night
30th Oct 2025635 AMAQI
30th Oct 2025726 AMAQI
30th Oct 2025777 AMAQI
30th Oct 2025568 AMAQI
30th Oct 2025629 AMAQI
30th Oct 20256010 AMAQI
30th Oct 20255811 AMAQI
30th Oct 20256012 PMAQI
30th Oct 2025671 PMAQI
30th Oct 2025642 PMAQI
30th Oct 2025683 PMAQI
30th Oct 2025744 PMAQI
30th Oct 2025895 PMAQI
30th Oct 20251066 PMAQI
30th Oct 20251157 PMAQI
30th Oct 20251088 PMAQI
30th Oct 20251079 PMAQI
30th Oct 202510610 PMAQI
30th Oct 20259211 PMAQI
31st Oct 20258712 AMAQI
31st Oct 2025861 AMAQI
31st Oct 2025822 AMAQI
31st Oct 2025823 AMAQI
31st Oct 2025774 AMAQI

27°C25/31°C

31st Oct 2025755 AMAQI
31st Oct 2025776 AMAQI
31st Oct 2025757 AMAQI
31st Oct 20251248 AMAQI
31st Oct 2025849 AMAQI
31st Oct 20257610 AMAQI
31st Oct 20259811 AMAQI
31st Oct 202512912 PMAQI
31st Oct 2025841 PMAQI
31st Oct 2025822 PMAQI
31st Oct 2025833 PMAQI
31st Oct 2025754 PMAQI
31st Oct 2025675 PMAQI
31st Oct 2025776 PMAQI
31st Oct 2025837 PMAQI
31st Oct 2025898 PMAQI
31st Oct 2025799 PMAQI
31st Oct 20258210 PMAQI
31st Oct 20258011 PMAQI
1st Nov 20258312 AMAQI
1st Nov 2025781 AMAQI
1st Nov 2025772 AMAQI
1st Nov 2025773 AMAQI
1st Nov 2025844 AMAQI

28°C25/32°C

1st Nov 2025835 AMAQI
1st Nov 2025876 AMAQI
1st Nov 20251017 AMAQI
1st Nov 2025898 AMAQI
1st Nov 2025989 AMAQI
1st Nov 202511110 AMAQI
1st Nov 202511411 AMAQI
1st Nov 202511412 PMAQI
1st Nov 20251231 PMAQI
1st Nov 20251272 PMAQI
1st Nov 20251273 PMAQI
1st Nov 20251424 PMAQI
1st Nov 20251135 PMAQI
1st Nov 20251286 PMAQI
1st Nov 20251357 PMAQI
1st Nov 20251138 PMAQI
1st Nov 2025979 PMAQI
1st Nov 20259910 PMAQI
1st Nov 20259211 PMAQI
2nd Nov 20258312 AMAQI
2nd Nov 2025811 AMAQI
2nd Nov 2025812 AMAQI
2nd Nov 2025853 AMAQI
2nd Nov 2025864 AMAQI

29°C25/33°C

2nd Nov 2025845 AMAQI
2nd Nov 2025826 AMAQI
2nd Nov 2025797 AMAQI
2nd Nov 20251048 AMAQI
2nd Nov 2025799 AMAQI
2nd Nov 20257910 AMAQI
2nd Nov 20257911 AMAQI
2nd Nov 20258412 PMAQI
2nd Nov 2025971 PMAQI
2nd Nov 2025852 PMAQI
2nd Nov 2025813 PMAQI
2nd Nov 2025734 PMAQI
2nd Nov 2025745 PMAQI
2nd Nov 2025876 PMAQI
2nd Nov 2025967 PMAQI
2nd Nov 2025928 PMAQI
2nd Nov 2025939 PMAQI
2nd Nov 20259410 PMAQI
2nd Nov 20259611 PMAQI
3rd Nov 20259512 AMAQI
3rd Nov 2025921 AMAQI
3rd Nov 2025902 AMAQI
3rd Nov 2025963 AMAQI
3rd Nov 2025994 AMAQI

25°C23/28°C

3rd Nov 20251005 AMAQI
3rd Nov 20251086 AMAQI
3rd Nov 20251117 AMAQI
3rd Nov 20251128 AMAQI
3rd Nov 20251419 AMAQI
3rd Nov 202515510 AMAQI
3rd Nov 202515811 AMAQI
3rd Nov 202516012 PMAQI
3rd Nov 20251591 PMAQI
3rd Nov 20251622 PMAQI
3rd Nov 20251623 PMAQI
3rd Nov 20251584 PMAQI
3rd Nov 20251655 PMAQI
3rd Nov 20251786 PMAQI
3rd Nov 20251887 PMAQI
3rd Nov 20251918 PMAQI
3rd Nov 20251989 PMAQI
3rd Nov 202520710 PMAQI
3rd Nov 202520911 PMAQI
4th Nov 202520712 AMAQI
4th Nov 20252041 AMAQI
4th Nov 20252082 AMAQI
4th Nov 20252173 AMAQI
4th Nov 20252224 AMAQI

26°C23/31°C

4th Nov 20252195 AMAQI
4th Nov 20252276 AMAQI
4th Nov 20252357 AMAQI
4th Nov 20252418 AMAQI
4th Nov 20252489 AMAQI
4th Nov 202524210 AMAQI
4th Nov 202522211 AMAQI
4th Nov 202521512 PMAQI
4th Nov 20252381 PMAQI
4th Nov 20252392 PMAQI
4th Nov 20252323 PMAQI
4th Nov 20252234 PMAQI
4th Nov 20252285 PMAQI
4th Nov 20252606 PMAQI
4th Nov 20252837 PMAQI
4th Nov 20252498 PMAQI
4th Nov 20252479 PMAQI
4th Nov 202525010 PMAQI
4th Nov 202524711 PMAQI
5th Nov 202523812 AMAQI
5th Nov 20252371 AMAQI
5th Nov 20252382 AMAQI
5th Nov 20252373 AMAQI
5th Nov 20252354 AMAQI

24°C21/29°C

5th Nov 20252485 AMAQI
5th Nov 20252566 AMAQI
5th Nov 20252477 AMAQI
5th Nov 20252248 AMAQI
5th Nov 20252289 AMAQI
5th Nov 202521310 AMAQI
5th Nov 202519711 AMAQI
5th Nov 202518812 PMAQI
5th Nov 20251821 PMAQI
5th Nov 20251742 PMAQI
5th Nov 20251773 PMAQI
5th Nov 20251784 PMAQI
5th Nov 20251855 PMAQI
5th Nov 20252046 PMAQI
5th Nov 20252257 PMAQI
5th Nov 20252328 PMAQI
5th Nov 20252279 PMAQI
5th Nov 202522710 PMAQI
5th Nov 202521911 PMAQI
6th Nov 202521112 AMAQI
6th Nov 20252061 AMAQI
6th Nov 20251982 AMAQI
6th Nov 20251963 AMAQI
6th Nov 20251974 AMAQI

25°C20/30°C

6th Nov 20252015 AMAQI
6th Nov 20252066 AMAQI
6th Nov 20252017 AMAQI
6th Nov 20251948 AMAQI
6th Nov 20252499 AMAQI
6th Nov 202518010 AMAQI
6th Nov 202516511 AMAQI
6th Nov 202516112 PMAQI
6th Nov 20251561 PMAQI
6th Nov 20251532 PMAQI
6th Nov 20251563 PMAQI
6th Nov 20251594 PMAQI
6th Nov 20251625 PMAQI
6th Nov 20251836 PMAQI
6th Nov 20251807 PMAQI
6th Nov 20251778 PMAQI
6th Nov 20251719 PMAQI
6th Nov 202517210 PMAQI
6th Nov 202517311 PMAQI
7th Nov 202518512 AMAQI
7th Nov 20251921 AMAQI
7th Nov 20251932 AMAQI
7th Nov 20251943 AMAQI
7th Nov 20251944 AMAQI

26°C21/31°C

7th Nov 20252005 AMAQI
7th Nov 20252026 AMAQI
7th Nov 20252017 AMAQI
7th Nov 20251958 AMAQI
7th Nov 20251879 AMAQI
7th Nov 202518810 AMAQI
7th Nov 202518211 AMAQI
7th Nov 202517912 PMAQI
7th Nov 20251711 PMAQI
7th Nov 20251712 PMAQI
7th Nov 20251703 PMAQI
7th Nov 20251664 PMAQI
7th Nov 20251645 PMAQI
7th Nov 20251746 PMAQI
7th Nov 20251797 PMAQI
7th Nov 20251838 PMAQI
7th Nov 20251889 PMAQI
7th Nov 202518610 PMAQI
7th Nov 202517611 PMAQI
8th Nov 202517212 AMAQI
8th Nov 20251721 AMAQI
8th Nov 20251692 AMAQI
8th Nov 20251653 AMAQI
8th Nov 20251634 AMAQI

26°C22/31°C

8th Nov 20251605 AMAQI
8th Nov 20251616 AMAQI
8th Nov 20251577 AMAQI
8th Nov 20251558 AMAQI
8th Nov 20251649 AMAQI
8th Nov 202515510 AMAQI
8th Nov 202514911 AMAQI
8th Nov 202513812 PMAQI
8th Nov 20251311 PMAQI
8th Nov 20251232 PMAQI
8th Nov 20251253 PMAQI
8th Nov 20251244 PMAQI
8th Nov 20251355 PMAQI
8th Nov 20251676 PMAQI
8th Nov 20251667 PMAQI
8th Nov 20251588 PMAQI
8th Nov 20251629 PMAQI
8th Nov 202516210 PMAQI
8th Nov 202516011 PMAQI
9th Nov 202516012 AMAQI
9th Nov 20251631 AMAQI
9th Nov 20251662 AMAQI
9th Nov 20251683 AMAQI
9th Nov 20251734 AMAQI

24°C20/30°C

9th Nov 20251755 AMAQI
9th Nov 20251776 AMAQI
9th Nov 20251787 AMAQI
9th Nov 20251828 AMAQI
9th Nov 20251929 AMAQI
9th Nov 202517310 AMAQI
9th Nov 202516211 AMAQI
9th Nov 202515412 PMAQI
9th Nov 20251511 PMAQI
9th Nov 20251412 PMAQI
9th Nov 20251353 PMAQI
9th Nov 20251314 PMAQI
9th Nov 20251395 PMAQI
9th Nov 20251606 PMAQI
9th Nov 20251687 PMAQI
9th Nov 20251768 PMAQI
9th Nov 20251849 PMAQI
9th Nov 202520010 PMAQI
9th Nov 202522311 PMAQI
10th Nov 202520012 AMAQI
10th Nov 20251881 AMAQI
10th Nov 20251902 AMAQI
10th Nov 20251923 AMAQI
10th Nov 20251914 AMAQI

23°C18/29°C

10th Nov 20251965 AMAQI
10th Nov 20252036 AMAQI
10th Nov 20252047 AMAQI
10th Nov 20251998 AMAQI
10th Nov 20251949 AMAQI
10th Nov 202518810 AMAQI
10th Nov 202518311 AMAQI
10th Nov 202518012 PMAQI
10th Nov 20251751 PMAQI
10th Nov 20251682 PMAQI
10th Nov 20251653 PMAQI
10th Nov 20251654 PMAQI
10th Nov 20251735 PMAQI
10th Nov 20251856 PMAQI
10th Nov 20251927 PMAQI
10th Nov 20252008 PMAQI
10th Nov 20252089 PMAQI
10th Nov 202522310 PMAQI
10th Nov 202521711 PMAQI
11th Nov 202520512 AMAQI
11th Nov 20251981 AMAQI
11th Nov 20251972 AMAQI
11th Nov 20251963 AMAQI
11th Nov 20251964 AMAQI

23°C19/29°C

11th Nov 20252045 AMAQI
11th Nov 20252126 AMAQI
11th Nov 20252077 AMAQI
11th Nov 20251988 AMAQI
11th Nov 20251979 AMAQI
11th Nov 202519110 AMAQI
11th Nov 202517911 AMAQI
11th Nov 202516912 PMAQI
11th Nov 20251661 PMAQI
11th Nov 20251642 PMAQI
11th Nov 20251633 PMAQI
11th Nov 20251674 PMAQI
11th Nov 20251765 PMAQI
11th Nov 20251946 PMAQI
11th Nov 20252037 PMAQI
11th Nov 20252118 PMAQI
11th Nov 20252249 PMAQI
11th Nov 202522510 PMAQI
11th Nov 202522811 PMAQI
12th Nov 202522212 AMAQI
12th Nov 20252211 AMAQI
12th Nov 20252222 AMAQI
12th Nov 20252263 AMAQI
12th Nov 20252284 AMAQI

23°C18/28°C

12th Nov 20252335 AMAQI
12th Nov 20252386 AMAQI
12th Nov 20252517 AMAQI
12th Nov 20252348 AMAQI
12th Nov 20252059 AMAQI
12th Nov 202518910 AMAQI
12th Nov 202518711 AMAQI
12th Nov 202518712 PMAQI
12th Nov 20251871 PMAQI
12th Nov 20251862 PMAQI
12th Nov 20251833 PMAQI
12th Nov 20251844 PMAQI
12th Nov 20251875 PMAQI
12th Nov 20252096 PMAQI
12th Nov 20252297 PMAQI
12th Nov 20252398 PMAQI
12th Nov 20252529 PMAQI
12th Nov 202526610 PMAQI
12th Nov 202528911 PMAQI
13th Nov 202528012 AMAQI
13th Nov 20252751 AMAQI
13th Nov 20252672 AMAQI
13th Nov 20252563 AMAQI
13th Nov 20252494 AMAQI

22°C17/28°C

13th Nov 20252515 AMAQI
13th Nov 20252596 AMAQI
13th Nov 20252527 AMAQI
13th Nov 20252338 AMAQI
13th Nov 20252089 AMAQI
13th Nov 202519410 AMAQI
13th Nov 202518611 AMAQI
13th Nov 202518512 PMAQI
13th Nov 20251811 PMAQI
13th Nov 20251752 PMAQI
13th Nov 20251753 PMAQI
13th Nov 20251894 PMAQI
13th Nov 20252325 PMAQI
13th Nov 20252466 PMAQI
13th Nov 20252377 PMAQI
13th Nov 20252428 PMAQI
13th Nov 20252409 PMAQI
13th Nov 202523410 PMAQI
13th Nov 202525911 PMAQI
14th Nov 202526312 AMAQI
14th Nov 20252701 AMAQI
14th Nov 20252582 AMAQI
14th Nov 20252533 AMAQI
14th Nov 20252484 AMAQI

22°C17/29°C

14th Nov 20252465 AMAQI
14th Nov 20252536 AMAQI
14th Nov 20252537 AMAQI
14th Nov 20252418 AMAQI
14th Nov 20252189 AMAQI
14th Nov 202519210 AMAQI
14th Nov 202518311 AMAQI
14th Nov 202518312 PMAQI
14th Nov 20251771 PMAQI
14th Nov 20251712 PMAQI
14th Nov 20251703 PMAQI
14th Nov 20251664 PMAQI
14th Nov 20251735 PMAQI
14th Nov 20251976 PMAQI
14th Nov 20252137 PMAQI
14th Nov 20252398 PMAQI
14th Nov 20252509 PMAQI
14th Nov 202523610 PMAQI
14th Nov 202523611 PMAQI
15th Nov 202523412 AMAQI
15th Nov 20252321 AMAQI
15th Nov 20252182 AMAQI
15th Nov 20252063 AMAQI
15th Nov 20252034 AMAQI

22°C17/28°C

15th Nov 20252095 AMAQI
15th Nov 20252226 AMAQI
15th Nov 20252247 AMAQI
15th Nov 20252108 AMAQI
15th Nov 20252079 AMAQI
15th Nov 202519010 AMAQI
15th Nov 202517411 AMAQI
15th Nov 202516812 PMAQI
15th Nov 20251691 PMAQI
15th Nov 20251672 PMAQI
15th Nov 20251653 PMAQI
15th Nov 20251664 PMAQI
15th Nov 20251735 PMAQI
15th Nov 20251886 PMAQI
15th Nov 20252167 PMAQI
15th Nov 20252098 PMAQI
15th Nov 20252249 PMAQI
15th Nov 202523210 PMAQI
15th Nov 202525311 PMAQI
16th Nov 202525612 AMAQI
16th Nov 20252331 AMAQI
16th Nov 20252242 AMAQI
16th Nov 20252223 AMAQI
16th Nov 20252224 AMAQI

23°C18/28°C

16th Nov 20252295 AMAQI
16th Nov 20252386 AMAQI
16th Nov 20252227 AMAQI
16th Nov 20252078 AMAQI
16th Nov 20251979 AMAQI
16th Nov 202518910 AMAQI
16th Nov 202518311 AMAQI
16th Nov 202517212 PMAQI
16th Nov 20251611 PMAQI
16th Nov 20251622 PMAQI
16th Nov 20251643 PMAQI
16th Nov 20251714 PMAQI
16th Nov 20251785 PMAQI
16th Nov 20251886 PMAQI
16th Nov 20252037 PMAQI
16th Nov 20252128 PMAQI
16th Nov 20252219 PMAQI
16th Nov 202522410 PMAQI
16th Nov 202522711 PMAQI
17th Nov 202522712 AMAQI
17th Nov 20252221 AMAQI
17th Nov 20252162 AMAQI
17th Nov 20252173 AMAQI
17th Nov 20252234 AMAQI

23°C18/28°C

17th Nov 20252295 AMAQI
17th Nov 20252286 AMAQI
17th Nov 20252347 AMAQI
17th Nov 20252358 AMAQI
17th Nov 20252189 AMAQI
17th Nov 202519110 AMAQI
17th Nov 202516111 AMAQI
17th Nov 202515512 PMAQI
17th Nov 20251571 PMAQI
17th Nov 20251562 PMAQI
17th Nov 20251473 PMAQI
17th Nov 20251474 PMAQI
17th Nov 20251685 PMAQI
17th Nov 20251896 PMAQI
17th Nov 20251827 PMAQI
17th Nov 20251898 PMAQI
17th Nov 20252059 PMAQI
17th Nov 202521310 PMAQI
17th Nov 202522411 PMAQI
18th Nov 202523112 AMAQI
18th Nov 20252231 AMAQI
18th Nov 20252262 AMAQI
18th Nov 20252303 AMAQI
18th Nov 20252374 AMAQI

23°C19/29°C

18th Nov 20252345 AMAQI
18th Nov 20252396 AMAQI
18th Nov 20252237 AMAQI
18th Nov 20251938 AMAQI
18th Nov 20251739 AMAQI
18th Nov 202515810 AMAQI
18th Nov 202514711 AMAQI
18th Nov 202514512 PMAQI
18th Nov 20251391 PMAQI
18th Nov 20251402 PMAQI
18th Nov 20251303 PMAQI
18th Nov 20251274 PMAQI
18th Nov 20251475 PMAQI
18th Nov 20251746 PMAQI
18th Nov 20251847 PMAQI
18th Nov 20251948 PMAQI
18th Nov 20252039 PMAQI
18th Nov 202523310 PMAQI
18th Nov 202524411 PMAQI
19th Nov 202524312 AMAQI
19th Nov 20252401 AMAQI
19th Nov 20252492 AMAQI
19th Nov 20252413 AMAQI
19th Nov 20252294 AMAQI

24°C19/29°C

19th Nov 20252345 AMAQI
19th Nov 20252576 AMAQI
19th Nov 20252337 AMAQI
19th Nov 20251968 AMAQI
19th Nov 20251819 AMAQI
19th Nov 202514710 AMAQI
19th Nov 202512911 AMAQI
19th Nov 202512412 PMAQI
19th Nov 20251161 PMAQI
19th Nov 20251152 PMAQI
19th Nov 20251043 PMAQI
19th Nov 20251084 PMAQI
19th Nov 20251255 PMAQI
19th Nov 20251596 PMAQI
19th Nov 20251907 PMAQI
19th Nov 20251978 PMAQI
19th Nov 20251969 PMAQI
19th Nov 202520610 PMAQI
19th Nov 202523511 PMAQI
20th Nov 202524512 AMAQI
20th Nov 20252551 AMAQI
20th Nov 20252612 AMAQI
20th Nov 20252783 AMAQI
20th Nov 20252694 AMAQI

24°C19/30°C

20th Nov 20252425 AMAQI
20th Nov 20252226 AMAQI
20th Nov 20252267 AMAQI
20th Nov 20252028 AMAQI
20th Nov 20251819 AMAQI
20th Nov 202516410 AMAQI
20th Nov 202515311 AMAQI
20th Nov 202515512 PMAQI
20th Nov 20251501 PMAQI
20th Nov 20251512 PMAQI
20th Nov 20251513 PMAQI
20th Nov 20251504 PMAQI
20th Nov 20251575 PMAQI
20th Nov 20251766 PMAQI
20th Nov 20251937 PMAQI
20th Nov 20252118 PMAQI
20th Nov 20252379 PMAQI
20th Nov 202524910 PMAQI
20th Nov 202526311 PMAQI
21st Nov 202527512 AMAQI
21st Nov 20252791 AMAQI
21st Nov 20252702 AMAQI
21st Nov 20252913 AMAQI
21st Nov 20252804 AMAQI

24°C20/30°C

21st Nov 20252865 AMAQI
21st Nov 20252996 AMAQI
21st Nov 20252667 AMAQI
21st Nov 20252298 AMAQI
21st Nov 20251859 AMAQI
21st Nov 202517110 AMAQI
21st Nov 202516611 AMAQI
21st Nov 202516912 PMAQI
21st Nov 20251721 PMAQI
21st Nov 20251752 PMAQI
21st Nov 20251763 PMAQI
21st Nov 20251794 PMAQI
21st Nov 20251885 PMAQI
21st Nov 20252096 PMAQI
21st Nov 20252277 PMAQI
21st Nov 20252678 PMAQI
21st Nov 20253299 PMAQI
21st Nov 202533810 PMAQI
21st Nov 202536411 PMAQI
22nd Nov 202536412 AMAQI
22nd Nov 20253391 AMAQI
22nd Nov 20253282 AMAQI
22nd Nov 20253083 AMAQI
22nd Nov 20252834 AMAQI

24°C19/29°C

22nd Nov 20252745 AMAQI
22nd Nov 20252756 AMAQI
22nd Nov 20252677 AMAQI
22nd Nov 20252428 AMAQI
22nd Nov 20252349 AMAQI
22nd Nov 202523010 AMAQI
22nd Nov 202522011 AMAQI
22nd Nov 202521212 PMAQI
22nd Nov 20252161 PMAQI
22nd Nov 20252102 PMAQI
22nd Nov 20252013 PMAQI
22nd Nov 20251934 PMAQI
22nd Nov 20252005 PMAQI
22nd Nov 20252316 PMAQI
22nd Nov 20252517 PMAQI
22nd Nov 20252658 PMAQI
22nd Nov 20252799 PMAQI
22nd Nov 202529910 PMAQI
22nd Nov 202533311 PMAQI
23rd Nov 202536012 AMAQI
23rd Nov 20253971 AMAQI
23rd Nov 20254332 AMAQI
23rd Nov 20254293 AMAQI
23rd Nov 20254204 AMAQI

24°C19/30°C

23rd Nov 20254625 AMAQI
23rd Nov 20255066 AMAQI
23rd Nov 20254707 AMAQI
23rd Nov 20254248 AMAQI
23rd Nov 20253309 AMAQI
23rd Nov 202524910 AMAQI
23rd Nov 202520011 AMAQI
23rd Nov 202519412 PMAQI
23rd Nov 20251871 PMAQI
23rd Nov 20251882 PMAQI
23rd Nov 20251903 PMAQI
23rd Nov 20251974 PMAQI
23rd Nov 20252115 PMAQI
23rd Nov 20252436 PMAQI
23rd Nov 20252527 PMAQI
23rd Nov 20252428 PMAQI
23rd Nov 20252449 PMAQI
23rd Nov 202525710 PMAQI
23rd Nov 202527011 PMAQI
24th Nov 202525012 AMAQI
24th Nov 20252541 AMAQI
24th Nov 20252562 AMAQI
24th Nov 20252453 AMAQI
24th Nov 20252454 AMAQI

24°C19/29°C

24th Nov 20252455 AMAQI
24th Nov 20252406 AMAQI
24th Nov 20252417 AMAQI
24th Nov 20252288 AMAQI
24th Nov 20252139 AMAQI
24th Nov 202520210 AMAQI
24th Nov 202519711 AMAQI
24th Nov 202519812 PMAQI
24th Nov 20251961 PMAQI
24th Nov 20251912 PMAQI
24th Nov 20251903 PMAQI
24th Nov 20251934 PMAQI
24th Nov 20252025 PMAQI
24th Nov 20252246 PMAQI
24th Nov 20252997 PMAQI
24th Nov 20252738 PMAQI
24th Nov 20252839 PMAQI
24th Nov 202532010 PMAQI
24th Nov 202533911 PMAQI
25th Nov 202538912 AMAQI
25th Nov 20253501 AMAQI
25th Nov 20252912 AMAQI
25th Nov 20252643 AMAQI
25th Nov 20252534 AMAQI

23°C19/29°C

25th Nov 20252465 AMAQI
25th Nov 20252466 AMAQI
25th Nov 20252477 AMAQI
25th Nov 20252308 AMAQI
25th Nov 20252309 AMAQI
25th Nov 202521410 AMAQI
25th Nov 202520711 AMAQI
25th Nov 202520112 PMAQI
25th Nov 20251921 PMAQI
25th Nov 20251882 PMAQI
25th Nov 20251903 PMAQI
25th Nov 20251914 PMAQI
25th Nov 20252045 PMAQI
25th Nov 20252466 PMAQI
25th Nov 20252967 PMAQI
25th Nov 20252948 PMAQI
25th Nov 20253069 PMAQI
25th Nov 202532210 PMAQI
25th Nov 202530611 PMAQI
26th Nov 202526112 AMAQI
26th Nov 20252551 AMAQI
26th Nov 20252452 AMAQI
26th Nov 20252343 AMAQI
26th Nov 20252264 AMAQI

22°C17/28°C

26th Nov 20252175 AMAQI
26th Nov 20252196 AMAQI
26th Nov 20252147 AMAQI
26th Nov 20252158 AMAQI
26th Nov 20252089 AMAQI
26th Nov 202520310 AMAQI
26th Nov 202520111 AMAQI
26th Nov 202519612 PMAQI
26th Nov 20251941 PMAQI
26th Nov 20251902 PMAQI
26th Nov 20251783 PMAQI
26th Nov 20251784 PMAQI
26th Nov 20251895 PMAQI
26th Nov 20252136 PMAQI
26th Nov 20252627 PMAQI
26th Nov 20252378 PMAQI
26th Nov 20252339 PMAQI
26th Nov 202523210 PMAQI
26th Nov 202523611 PMAQI
27th Nov 202525312 AMAQI
27th Nov 20252471 AMAQI
27th Nov 20252302 AMAQI
27th Nov 20252293 AMAQI
27th Nov 20252354 AMAQI

22°C16/28°C

27th Nov 20252445 AMAQI
27th Nov 20252496 AMAQI
27th Nov 20252467 AMAQI
27th Nov 20252328 AMAQI
27th Nov 20252289 AMAQI
27th Nov 202520110 AMAQI
27th Nov 202516811 AMAQI
27th Nov 202515412 PMAQI
27th Nov 20251501 PMAQI
27th Nov 20251422 PMAQI
27th Nov 20251373 PMAQI
27th Nov 20251304 PMAQI
27th Nov 20251535 PMAQI
27th Nov 20251906 PMAQI
27th Nov 20252307 PMAQI
27th Nov 20252188 PMAQI
27th Nov 20252369 PMAQI
27th Nov 202525410 PMAQI
27th Nov 202527011 PMAQI
28th Nov 202526812 AMAQI
28th Nov 20252721 AMAQI
28th Nov 20252722 AMAQI
28th Nov 20253003 AMAQI
28th Nov 20253044 AMAQI

22°C17/29°C

28th Nov 20252815 AMAQI
28th Nov 20252656 AMAQI
28th Nov 20252687 AMAQI
28th Nov 20252328 AMAQI
28th Nov 20252019 AMAQI
28th Nov 202516610 AMAQI
28th Nov 202516111 AMAQI
28th Nov 202515512 PMAQI
28th Nov 20251421 PMAQI
28th Nov 20251322 PMAQI
28th Nov 20251283 PMAQI
28th Nov 20251484 PMAQI
28th Nov 20251665 PMAQI
28th Nov 20251886 PMAQI
28th Nov 20252307 PMAQI
28th Nov 20252578 PMAQI
28th Nov 20252529 PMAQI
28th Nov 202525910 PMAQI
28th Nov 202529811 PMAQI
29th Nov 202528712 AMAQI
29th Nov 20252981 AMAQI
29th Nov 20252752 AMAQI
29th Nov 20252723 AMAQI
29th Nov 20252874 AMAQI

23°C18/29°C

29th Nov 20252905 AMAQI
5 AM
29th Nov 20253036 AMAQI
10 AM
4 PM
10 PM
4 AM

--°C/°C

Day time
Avg. Highest Time
5 AM - 7 AM

216AQI

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

159AQI

6 hours / Day
180 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 7 AM (Avg. 216), while the lowest AQI was between 11 AM to 4 PM (Avg. 159).
Night time
Avg. Highest Time
11 PM

229AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
5 PM

164AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 PM to 11 PM (Avg. 229), while the lowest AQI was between 5 PM to 5 PM (Avg. 164).

2025 Days Vs Air Quality

Kolkata, West Bengal, India

2025

54%

179

22%

73

18%

61

5%

18

0.3%

1

Total number of days with different AQI categories in last 333 days in 2025 (32 days remaining)

Good
0 Days
Moderate
179 Days
Poor
73 Days
Unhealthy
61 Days
Severe
18 Days
Hazardous
1 Days

Under WHO’s Safe Air Quality Limits: 0%

Health Risk Level:

Extreme

In 2025, 0% of 333 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

Kolkata, West Bengal, 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
182AQI
2nd January 2025
165AQI
3rd January 2025
181AQI
4th January 2025
178AQI
5th January 2025
176AQI
6th January 2025
169AQI
7th January 2025
174AQI
8th January 2025
153AQI
9th January 2025
160AQI
10th January 2025
177AQI
11th January 2025
185AQI
12th January 2025
187AQI
13th January 2025
189AQI
14th January 2025
180AQI
15th January 2025
169AQI
16th January 2025
169AQI
17th January 2025
167AQI
18th January 2025
167AQI
19th January 2025
160AQI
20th January 2025
164AQI
21st January 2025
171AQI
22nd January 2025
179AQI
23rd January 2025
179AQI
24th January 2025
177AQI
25th January 2025
177AQI
26th January 2025
156AQI
27th January 2025
167AQI
28th January 2025
171AQI
29th January 2025
159AQI
30th January 2025
147AQI
31st January 2025
143AQI
1st February 2025
139AQI
2nd February 2025
156AQI
3rd February 2025
158AQI
4th February 2025
155AQI
5th February 2025
167AQI
6th February 2025
153AQI
7th February 2025
147AQI
8th February 2025
152AQI
9th February 2025
157AQI
10th February 2025
161AQI
11th February 2025
148AQI
12th February 2025
142AQI
13th February 2025
145AQI
14th February 2025
150AQI
15th February 2025
154AQI
16th February 2025
143AQI
17th February 2025
126AQI
18th February 2025
130AQI
19th February 2025
132AQI
20th February 2025
123AQI
21st February 2025
133AQI
22nd February 2025
128AQI
23rd February 2025
133AQI
24th February 2025
142AQI
25th February 2025
152AQI
26th February 2025
151AQI
27th February 2025
163AQI
28th February 2025
157AQI
1st March 2025
134AQI
2nd March 2025
140AQI
3rd March 2025
137AQI
4th March 2025
130AQI
5th March 2025
141AQI
6th March 2025
126AQI
7th March 2025
148AQI
8th March 2025
139AQI
9th March 2025
135AQI
10th March 2025
136AQI
11th March 2025
121AQI
12th March 2025
131AQI
13th March 2025
119AQI
14th March 2025
116AQI
15th March 2025
105AQI
16th March 2025
100AQI
17th March 2025
107AQI
18th March 2025
109AQI
19th March 2025
136AQI
20th March 2025
104AQI
21st March 2025
124AQI
22nd March 2025
88AQI
23rd March 2025
124AQI
24th March 2025
133AQI
25th March 2025
146AQI
26th March 2025
122AQI
27th March 2025
129AQI
28th March 2025
137AQI
29th March 2025
144AQI
30th March 2025
139AQI
31st March 2025
123AQI
1st April 2025
112AQI
2nd April 2025
98AQI
3rd April 2025
99AQI
4th April 2025
114AQI
5th April 2025
114AQI
6th April 2025
104AQI
7th April 2025
85AQI
8th April 2025
78AQI
9th April 2025
69AQI
10th April 2025
69AQI
11th April 2025
74AQI
12th April 2025
74AQI
13th April 2025
90AQI
14th April 2025
91AQI
15th April 2025
94AQI
16th April 2025
100AQI
17th April 2025
82AQI
18th April 2025
77AQI
19th April 2025
90AQI
20th April 2025
90AQI
21st April 2025
90AQI
22nd April 2025
94AQI
23rd April 2025
103AQI
24th April 2025
91AQI
25th April 2025
84AQI
26th April 2025
73AQI
27th April 2025
90AQI
28th April 2025
104AQI
29th April 2025
80AQI
30th April 2025
86AQI
1st May 2025
84AQI
2nd May 2025
82AQI
3rd May 2025
80AQI
4th May 2025
81AQI
5th May 2025
80AQI
6th May 2025
83AQI
7th May 2025
92AQI
8th May 2025
94AQI
9th May 2025
95AQI
10th May 2025
111AQI
11th May 2025
111AQI
12th May 2025
102AQI
13th May 2025
95AQI
14th May 2025
91AQI
15th May 2025
84AQI
16th May 2025
80AQI
17th May 2025
77AQI
18th May 2025
69AQI
19th May 2025
63AQI
20th May 2025
62AQI
21st May 2025
64AQI
22nd May 2025
73AQI
23rd May 2025
66AQI
24th May 2025
67AQI
25th May 2025
61AQI
26th May 2025
59AQI
27th May 2025
61AQI
28th May 2025
60AQI
29th May 2025
60AQI
30th May 2025
64AQI
31st May 2025
82AQI
1st June 2025
89AQI
2nd June 2025
108AQI
3rd June 2025
98AQI
4th June 2025
86AQI
5th June 2025
87AQI
6th June 2025
94AQI
7th June 2025
105AQI
8th June 2025
110AQI
9th June 2025
106AQI
10th June 2025
105AQI
11th June 2025
91AQI
12th June 2025
76AQI
13th June 2025
74AQI
14th June 2025
78AQI
15th June 2025
73AQI
16th June 2025
66AQI
17th June 2025
65AQI
18th June 2025
66AQI
19th June 2025
67AQI
20th June 2025
69AQI
21st June 2025
75AQI
22nd June 2025
82AQI
23rd June 2025
78AQI
24th June 2025
71AQI
25th June 2025
70AQI
26th June 2025
64AQI
27th June 2025
63AQI
28th June 2025
68AQI
29th June 2025
68AQI
30th June 2025
71AQI
1st July 2025
69AQI
2nd July 2025
63AQI
3rd July 2025
67AQI
4th July 2025
69AQI
5th July 2025
71AQI
6th July 2025
67AQI
7th July 2025
64AQI
8th July 2025
62AQI
9th July 2025
64AQI
10th July 2025
63AQI
11th July 2025
65AQI
12th July 2025
68AQI
13th July 2025
70AQI
14th July 2025
67AQI
15th July 2025
68AQI
16th July 2025
69AQI
17th July 2025
69AQI
18th July 2025
70AQI
19th July 2025
71AQI
20th July 2025
71AQI
21st July 2025
71AQI
22nd July 2025
68AQI
23rd July 2025
68AQI
24th July 2025
68AQI
25th July 2025
65AQI
26th July 2025
61AQI
27th July 2025
61AQI
28th July 2025
65AQI
29th July 2025
67AQI
30th July 2025
60AQI
31st July 2025
68AQI
1st August 2025
73AQI
2nd August 2025
81AQI
3rd August 2025
78AQI
4th August 2025
79AQI
5th August 2025
78AQI
6th August 2025
78AQI
7th August 2025
84AQI
8th August 2025
76AQI
9th August 2025
63AQI
10th August 2025
60AQI
11th August 2025
64AQI
12th August 2025
77AQI
13th August 2025
67AQI
14th August 2025
63AQI
15th August 2025
59AQI
16th August 2025
60AQI
17th August 2025
59AQI
18th August 2025
56AQI
19th August 2025
58AQI
20th August 2025
60AQI
21st August 2025
64AQI
22nd August 2025
69AQI
23rd August 2025
67AQI
24th August 2025
67AQI
25th August 2025
68AQI
26th August 2025
70AQI
27th August 2025
68AQI
28th August 2025
67AQI
29th August 2025
67AQI
30th August 2025
69AQI
31st August 2025
71AQI
1st September 2025
81AQI
2nd September 2025
70AQI
3rd September 2025
66AQI
4th September 2025
61AQI
5th September 2025
66AQI
6th September 2025
74AQI
7th September 2025
79AQI
8th September 2025
84AQI
9th September 2025
86AQI
10th September 2025
88AQI
11th September 2025
90AQI
12th September 2025
86AQI
13th September 2025
81AQI
14th September 2025
78AQI
15th September 2025
75AQI
16th September 2025
70AQI
17th September 2025
69AQI
18th September 2025
72AQI
19th September 2025
82AQI
20th September 2025
91AQI
21st September 2025
108AQI
22nd September 2025
101AQI
23rd September 2025
81AQI
24th September 2025
80AQI
25th September 2025
74AQI
26th September 2025
70AQI
27th September 2025
65AQI
28th September 2025
67AQI
29th September 2025
69AQI
30th September 2025
82AQI
1st October 2025
75AQI
2nd October 2025
57AQI
3rd October 2025
66AQI
4th October 2025
91AQI
5th October 2025
86AQI
6th October 2025
107AQI
7th October 2025
115AQI
8th October 2025
110AQI
9th October 2025
127AQI
10th October 2025
126AQI
11th October 2025
109AQI
12th October 2025
128AQI
13th October 2025
150AQI
14th October 2025
154AQI
15th October 2025
153AQI
16th October 2025
163AQI
17th October 2025
174AQI
18th October 2025
167AQI
19th October 2025
150AQI
20th October 2025
186AQI
21st October 2025
222AQI
22nd October 2025
183AQI
23rd October 2025
168AQI
24th October 2025
170AQI
25th October 2025
165AQI
26th October 2025
163AQI
27th October 2025
179AQI
28th October 2025
127AQI
29th October 2025
89AQI
30th October 2025
80AQI
31st October 2025
84AQI
1st November 2025
100AQI
2nd November 2025
86AQI
3rd November 2025
140AQI
4th November 2025
231AQI
5th November 2025
222AQI
6th November 2025
188AQI
7th November 2025
184AQI
8th November 2025
158AQI
9th November 2025
168AQI
10th November 2025
195AQI
11th November 2025
199AQI
12th November 2025
223AQI
13th November 2025
239AQI
14th November 2025
228AQI
15th November 2025
210AQI
16th November 2025
214AQI
17th November 2025
203AQI
18th November 2025
201AQI
19th November 2025
198AQI
20th November 2025
216AQI
21st November 2025
251AQI
22nd November 2025
277AQI
23rd November 2025
315AQI
24th November 2025
245AQI
25th November 2025
276AQI
26th November 2025
226AQI
27th November 2025
219AQI
28th November 2025
253AQI
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

170AQI

146AQI

127AQI

90AQI

78AQI

81AQI

67AQI

68AQI

78AQI

133AQI

209AQI

No. of days

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

2025113AQI

2
29
15
13
2
29
24
6
28
3
25
5
31
31
28
2
8
10
12
1
2
1
7
17
1
179
73
61
18
1

Highest AQI recorded in

November

209AQI

Lowest AQI recorded in

July

67AQI

2024118AQI

9
21
1
5
17
7
4
18
9
1
27
2
4
24
3
2
28
9
22
2
28
1
9
15
6
15
15
1
13
16
1
4
27
26
137
92
81
29
1

Highest AQI recorded in

January

218AQI

Lowest AQI recorded in

July

59AQI

2023117AQI

1
25
5
16
12
10
15
6
11
17
2
24
7
6
17
7
18
13
2
18
9
2
6
21
3
3
5
12
11
5
19
5
1
4
20
6
35
120
96
97
16

Highest AQI recorded in

January

182AQI

Lowest AQI recorded in

July

50AQI

2022114AQI

2
25
4
1
15
12
4
12
15
29
1
1
24
6
2
25
3
17
14
7
6
8
19
2
8
5
10
8
5
25
2
17
12
43
127
58
102
16

Highest AQI recorded in

December

194AQI

Lowest AQI recorded in

July

49AQI

2021123AQI

15
15
1
3
19
6
2
12
17
8
21
1
1
30
30
5
21
5
1
20
10
4
22
4
4
7
10
10
1
7
22
1
1
5
21
3
16
142
77
105
24
1

Highest AQI recorded in

January

221AQI

Lowest AQI recorded in

September

68AQI

202094AQI

2
10
1
5
18
7
9
20
2
12
18
9
20
2
16
14
1
11
18
1
6
12
11
2
1
1
6
22
10
19
2
69
123
40
35
19
2

Highest AQI recorded in

December

231AQI

Lowest AQI recorded in

August

53AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2021(Avg.)
123AQI
Least Polluted Year Recorded
2020(Avg.)
94AQI

Kolkata's annual 2025 AQI (113) shows an average percentage change of 0.03% (worsened AQI) compared to previous years: 2020 (94), 2021 (123), 2022 (114), 2023 (117), 2024 (118).