Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Colombo, Western, Sri Lanka 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+

June Air Quality Analysis

Colombo, Western, Sri Lanka

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
22nd Jun 2023
82AQI
Lowest AQI recorded on
23rd Jun 2024
24AQI

Same Day Analysis (3rd June):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 40 of Good air quality, showing improvement over 2025 and 2022 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 3rd Jun - 4th Jun 2026

Colombo, Western, Sri Lanka

AQI
Day
Night
.

5 AM3rd Jun 2026

6 PM

4 AM4th Jun 2026

Day time
Avg. Highest Time
5AM3rd Jun

51AQI

Avg. Lowest Time
3PM3rd Jun

19AQI

Night time
Avg. Highest Time
9PM3rd Jun

47AQI

Avg. Lowest Time
3AM4th Jun

21AQI

In the last 24 hours,

Colombo's AQI reached its highest point of 51 at 5 AM during the Day, while the lowest point, 19, was recorded at 3 PM during the Day between 3rd Jun and 4th Jun 2026.

Day & Night AQI Trend : May - Jun 2026

Colombo, Western, Sri Lanka

MayJun
06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th
Day
Night
6th May 2026905 AMAQI
6th May 2026886 AMAQI
6th May 2026927 AMAQI
6th May 2026788 AMAQI
6th May 2026749 AMAQI
6th May 20266810 AMAQI
6th May 20265411 AMAQI
6th May 20265512 PMAQI
6th May 2026501 PMAQI
6th May 2026572 PMAQI
6th May 2026463 PMAQI
6th May 2026524 PMAQI
6th May 2026535 PMAQI
6th May 2026566 PMAQI
6th May 2026607 PMAQI
6th May 2026588 PMAQI
6th May 2026599 PMAQI
6th May 20266410 PMAQI
6th May 20264611 PMAQI
7th May 20264812 AMAQI
7th May 2026511 AMAQI
7th May 2026502 AMAQI
7th May 2026683 AMAQI
7th May 2026594 AMAQI

28°C26/31°C

7th May 2026645 AMAQI
7th May 2026686 AMAQI
7th May 2026707 AMAQI
7th May 2026908 AMAQI
7th May 2026909 AMAQI
7th May 20266910 AMAQI
7th May 20265611 AMAQI
7th May 20265012 PMAQI
7th May 2026541 PMAQI
7th May 2026512 PMAQI
7th May 2026663 PMAQI
7th May 2026494 PMAQI
7th May 2026335 PMAQI
7th May 2026386 PMAQI
7th May 2026367 PMAQI
7th May 2026528 PMAQI
7th May 2026719 PMAQI
7th May 20267810 PMAQI
7th May 20267111 PMAQI
8th May 20265612 AMAQI
8th May 2026621 AMAQI
8th May 2026482 AMAQI
8th May 2026383 AMAQI
8th May 2026534 AMAQI

28°C26/30°C

8th May 2026565 AMAQI
8th May 2026626 AMAQI
8th May 2026827 AMAQI
8th May 20261088 AMAQI
8th May 20261009 AMAQI
8th May 20268310 AMAQI
8th May 20266911 AMAQI
8th May 20266212 PMAQI
8th May 2026601 PMAQI
8th May 2026562 PMAQI
8th May 2026483 PMAQI
8th May 2026484 PMAQI
8th May 2026535 PMAQI
8th May 2026656 PMAQI
8th May 2026567 PMAQI
8th May 2026628 PMAQI
8th May 2026739 PMAQI
8th May 20264910 PMAQI
8th May 20265211 PMAQI
9th May 20262512 AMAQI
9th May 2026621 AMAQI
9th May 2026782 AMAQI
9th May 2026943 AMAQI
9th May 2026654 AMAQI

28°C26/31°C

9th May 2026685 AMAQI
9th May 2026596 AMAQI
9th May 2026587 AMAQI
9th May 2026668 AMAQI
9th May 2026599 AMAQI
9th May 20265610 AMAQI
9th May 20262911 AMAQI
9th May 20263612 PMAQI
9th May 2026141 PMAQI
9th May 2026142 PMAQI
9th May 2026173 PMAQI
9th May 202684 PMAQI
9th May 2026175 PMAQI
9th May 2026176 PMAQI
9th May 2026317 PMAQI
9th May 2026278 PMAQI
9th May 2026509 PMAQI
9th May 20267510 PMAQI
9th May 20269211 PMAQI
10th May 20268012 AMAQI
10th May 2026741 AMAQI
10th May 2026722 AMAQI
10th May 2026643 AMAQI
10th May 2026544 AMAQI

28°C25/30°C

10th May 2026405 AMAQI
10th May 2026146 AMAQI
10th May 2026177 AMAQI
10th May 2026148 AMAQI
10th May 2026129 AMAQI
10th May 20261710 AMAQI
10th May 20263611 AMAQI
10th May 20261912 PMAQI
10th May 2026141 PMAQI
10th May 2026212 PMAQI
10th May 2026193 PMAQI
10th May 2026124 PMAQI
10th May 2026125 PMAQI
10th May 2026146 PMAQI
10th May 2026127 PMAQI
10th May 2026178 PMAQI
10th May 2026299 PMAQI
10th May 20264210 PMAQI
10th May 20264911 PMAQI
11th May 20265612 AMAQI
11th May 2026681 AMAQI
11th May 2026692 AMAQI
11th May 2026673 AMAQI
11th May 2026524 AMAQI

27°C26/28°C

11th May 2026575 AMAQI
11th May 2026316 AMAQI
11th May 2026517 AMAQI
11th May 2026748 AMAQI
11th May 2026849 AMAQI
11th May 20265710 AMAQI
11th May 20265011 AMAQI
11th May 20265512 PMAQI
11th May 2026331 PMAQI
11th May 2026292 PMAQI
11th May 2026403 PMAQI
11th May 2026674 PMAQI
11th May 2026665 PMAQI
11th May 2026806 PMAQI
11th May 2026787 PMAQI
11th May 2026598 PMAQI
11th May 2026689 PMAQI
11th May 20266510 PMAQI
11th May 20267211 PMAQI
12th May 20266612 AMAQI
12th May 2026711 AMAQI
12th May 2026752 AMAQI
12th May 2026793 AMAQI
12th May 2026714 AMAQI

28°C26/30°C

12th May 2026755 AMAQI
12th May 2026806 AMAQI
12th May 2026827 AMAQI
12th May 2026908 AMAQI
12th May 2026909 AMAQI
12th May 20268010 AMAQI
12th May 20265511 AMAQI
12th May 20265412 PMAQI
12th May 2026551 PMAQI
12th May 2026532 PMAQI
12th May 2026723 PMAQI
12th May 2026764 PMAQI
12th May 2026845 PMAQI
12th May 2026926 PMAQI
12th May 2026707 PMAQI
12th May 2026988 PMAQI
12th May 2026669 PMAQI
12th May 202610810 PMAQI
12th May 20268711 PMAQI
13th May 202610012 AMAQI
13th May 2026991 AMAQI
13th May 20261042 AMAQI
13th May 20261003 AMAQI
13th May 2026494 AMAQI

28°C26/30°C

13th May 2026275 AMAQI
13th May 2026326 AMAQI
13th May 2026537 AMAQI
13th May 2026738 AMAQI
13th May 2026879 AMAQI
13th May 20268510 AMAQI
13th May 20269411 AMAQI
13th May 202610212 PMAQI
13th May 2026861 PMAQI
13th May 2026852 PMAQI
13th May 2026823 PMAQI
13th May 2026424 PMAQI
13th May 2026485 PMAQI
13th May 2026536 PMAQI
13th May 2026727 PMAQI
13th May 2026928 PMAQI
13th May 20261069 PMAQI
13th May 202610610 PMAQI
13th May 202610311 PMAQI
14th May 20269412 AMAQI
14th May 2026871 AMAQI
14th May 2026902 AMAQI
14th May 2026903 AMAQI
14th May 2026794 AMAQI

27°C26/28°C

14th May 2026715 AMAQI
14th May 2026496 AMAQI
14th May 2026827 AMAQI
14th May 2026888 AMAQI
14th May 2026789 AMAQI
14th May 20266010 AMAQI
14th May 20266611 AMAQI
14th May 20266512 PMAQI
14th May 2026671 PMAQI
14th May 2026662 PMAQI
14th May 2026573 PMAQI
14th May 2026524 PMAQI
14th May 2026505 PMAQI
14th May 2026466 PMAQI
14th May 2026477 PMAQI
14th May 2026518 PMAQI
14th May 2026699 PMAQI
14th May 20264610 PMAQI
14th May 20263611 PMAQI
15th May 20264212 AMAQI
15th May 2026401 AMAQI
15th May 2026382 AMAQI
15th May 2026423 AMAQI
15th May 2026424 AMAQI

27°C26/29°C

15th May 2026365 AMAQI
15th May 2026446 AMAQI
15th May 2026317 AMAQI
15th May 2026388 AMAQI
15th May 2026629 AMAQI
15th May 20266210 AMAQI
15th May 20265811 AMAQI
15th May 20265712 PMAQI
15th May 2026521 PMAQI
15th May 2026362 PMAQI
15th May 2026233 PMAQI
15th May 2026274 PMAQI
15th May 2026175 PMAQI
15th May 2026236 PMAQI
15th May 2026187 PMAQI
15th May 2026218 PMAQI
15th May 2026549 PMAQI
15th May 20268010 PMAQI
15th May 20267511 PMAQI
16th May 20267412 AMAQI
16th May 2026741 AMAQI
16th May 2026722 AMAQI
16th May 2026763 AMAQI
16th May 2026784 AMAQI

27°C26/28°C

16th May 2026865 AMAQI
16th May 2026956 AMAQI
16th May 20261127 AMAQI
16th May 20261108 AMAQI
16th May 2026909 AMAQI
16th May 20267410 AMAQI
16th May 20268011 AMAQI
16th May 20267612 PMAQI
16th May 2026841 PMAQI
16th May 2026862 PMAQI
16th May 2026763 PMAQI
16th May 2026734 PMAQI
16th May 2026825 PMAQI
16th May 2026806 PMAQI
16th May 20261127 PMAQI
16th May 2026928 PMAQI
16th May 2026929 PMAQI
16th May 20269010 PMAQI
16th May 20268011 PMAQI
17th May 20267812 AMAQI
17th May 2026801 AMAQI
17th May 2026732 AMAQI
17th May 2026723 AMAQI
17th May 2026784 AMAQI

28°C27/29°C

17th May 2026855 AMAQI
17th May 2026906 AMAQI
17th May 2026877 AMAQI
17th May 20261088 AMAQI
17th May 2026839 AMAQI
17th May 20268810 AMAQI
17th May 20268311 AMAQI
17th May 20268812 PMAQI
17th May 2026861 PMAQI
17th May 2026812 PMAQI
17th May 2026763 PMAQI
17th May 2026704 PMAQI
17th May 2026725 PMAQI
17th May 2026736 PMAQI
17th May 2026807 PMAQI
17th May 2026718 PMAQI
17th May 2026729 PMAQI
17th May 20266410 PMAQI
17th May 20266711 PMAQI
18th May 20266912 AMAQI
18th May 2026691 AMAQI
18th May 2026642 AMAQI
18th May 2026663 AMAQI
18th May 2026714 AMAQI

28°C27/29°C

18th May 2026675 AMAQI
18th May 2026686 AMAQI
18th May 2026747 AMAQI
18th May 2026698 AMAQI
18th May 2026699 AMAQI
18th May 20266910 AMAQI
18th May 20266911 AMAQI
18th May 20266212 PMAQI
18th May 2026571 PMAQI
18th May 2026622 PMAQI
18th May 2026623 PMAQI
18th May 2026554 PMAQI
18th May 2026545 PMAQI
18th May 2026576 PMAQI
18th May 2026627 PMAQI
18th May 2026648 PMAQI
18th May 2026559 PMAQI
18th May 20265410 PMAQI
18th May 20265011 PMAQI
19th May 20265012 AMAQI
19th May 2026421 AMAQI
19th May 2026442 AMAQI
19th May 2026423 AMAQI
19th May 2026504 AMAQI

28°C27/29°C

19th May 2026465 AMAQI
19th May 2026506 AMAQI
19th May 2026447 AMAQI
19th May 2026448 AMAQI
19th May 2026529 AMAQI
19th May 20264410 AMAQI
19th May 20264211 AMAQI
19th May 20263612 PMAQI
19th May 2026401 PMAQI
19th May 2026442 PMAQI
19th May 2026503 PMAQI
19th May 2026464 PMAQI
19th May 2026465 PMAQI
19th May 2026346 PMAQI
19th May 2026427 PMAQI
19th May 2026488 PMAQI
19th May 2026489 PMAQI
19th May 20264810 PMAQI
19th May 20264811 PMAQI
20th May 20264612 AMAQI
20th May 2026421 AMAQI
20th May 2026362 AMAQI
20th May 2026403 AMAQI
20th May 2026384 AMAQI

28°C27/30°C

20th May 2026465 AMAQI
20th May 2026326 AMAQI
20th May 2026487 AMAQI
20th May 2026468 AMAQI
20th May 2026469 AMAQI
20th May 20264610 AMAQI
20th May 20264211 AMAQI
20th May 20263312 PMAQI
20th May 2026401 PMAQI
20th May 2026462 PMAQI
20th May 2026403 PMAQI
20th May 2026404 PMAQI
20th May 2026445 PMAQI
20th May 2026406 PMAQI
20th May 2026447 PMAQI
20th May 2026338 PMAQI
20th May 2026319 PMAQI
20th May 20263810 PMAQI
20th May 20262911 PMAQI
21st May 20263612 AMAQI
21st May 2026331 AMAQI
21st May 2026422 AMAQI
21st May 2026463 AMAQI
21st May 2026384 AMAQI

28°C27/30°C

21st May 2026315 AMAQI
21st May 2026466 AMAQI
21st May 2026487 AMAQI
21st May 2026508 AMAQI
21st May 2026509 AMAQI
21st May 20265010 AMAQI
21st May 20265011 AMAQI
21st May 20265112 PMAQI
21st May 2026581 PMAQI
21st May 2026582 PMAQI
21st May 2026563 PMAQI
21st May 2026404 PMAQI
21st May 20261085 PMAQI
21st May 2026486 PMAQI
21st May 2026577 PMAQI
21st May 2026538 PMAQI
21st May 2026649 PMAQI
21st May 20265710 PMAQI
21st May 20265811 PMAQI
22nd May 20265512 AMAQI
22nd May 2026551 AMAQI
22nd May 2026562 AMAQI
22nd May 2026483 AMAQI
22nd May 2026604 AMAQI

28°C27/29°C

22nd May 2026525 AMAQI
22nd May 2026426 AMAQI
22nd May 2026557 AMAQI
22nd May 2026568 AMAQI
22nd May 2026569 AMAQI
22nd May 20265610 AMAQI
22nd May 20265611 AMAQI
22nd May 20265612 PMAQI
22nd May 2026561 PMAQI
22nd May 2026562 PMAQI
22nd May 2026563 PMAQI
22nd May 2026564 PMAQI
22nd May 2026565 PMAQI
22nd May 2026456 PMAQI
22nd May 2026497 PMAQI
22nd May 2026408 PMAQI
22nd May 2026389 PMAQI
22nd May 20263410 PMAQI
22nd May 20263411 PMAQI
23rd May 20263612 AMAQI
23rd May 2026401 AMAQI
23rd May 2026382 AMAQI
23rd May 2026383 AMAQI
23rd May 2026404 AMAQI

28°C27/29°C

23rd May 2026345 AMAQI
23rd May 2026426 AMAQI
23rd May 2026557 AMAQI
23rd May 2026528 AMAQI
23rd May 2026529 AMAQI
23rd May 20265210 AMAQI
23rd May 20265211 AMAQI
23rd May 20265212 PMAQI
23rd May 2026471 PMAQI
23rd May 2026502 PMAQI
23rd May 2026343 PMAQI
23rd May 2026334 PMAQI
23rd May 2026455 PMAQI
23rd May 2026426 PMAQI
23rd May 2026537 PMAQI
23rd May 2026468 PMAQI
23rd May 2026489 PMAQI
23rd May 20265110 PMAQI
23rd May 20264211 PMAQI
24th May 20264212 AMAQI
24th May 2026381 AMAQI
24th May 2026382 AMAQI
24th May 2026363 AMAQI
24th May 2026384 AMAQI

28°C27/29°C

24th May 2026385 AMAQI
24th May 2026316 AMAQI
24th May 2026497 AMAQI
24th May 2026528 AMAQI
24th May 2026529 AMAQI
24th May 20265210 AMAQI
24th May 20265211 AMAQI
24th May 20267912 PMAQI
24th May 2026511 PMAQI
24th May 2026472 PMAQI
24th May 2026513 PMAQI
24th May 2026524 PMAQI
24th May 2026525 PMAQI
24th May 2026506 PMAQI
24th May 2026487 PMAQI
24th May 2026518 PMAQI
24th May 2026369 PMAQI
24th May 20263810 PMAQI
24th May 20264411 PMAQI
25th May 20264212 AMAQI
25th May 2026401 AMAQI
25th May 2026522 AMAQI
25th May 2026553 AMAQI
25th May 2026424 AMAQI

28°C27/29°C

25th May 2026425 AMAQI
25th May 2026496 AMAQI
25th May 2026667 AMAQI
25th May 2026698 AMAQI
25th May 2026699 AMAQI
25th May 20266910 AMAQI
25th May 20266911 AMAQI
25th May 20266612 PMAQI
25th May 2026561 PMAQI
25th May 2026512 PMAQI
25th May 2026533 PMAQI
25th May 2026524 PMAQI
25th May 2026645 PMAQI
25th May 2026576 PMAQI
25th May 2026557 PMAQI
25th May 2026528 PMAQI
25th May 2026539 PMAQI
25th May 20265710 PMAQI
25th May 20267211 PMAQI
26th May 20266412 AMAQI
26th May 2026551 AMAQI
26th May 2026782 AMAQI
26th May 20261043 AMAQI
26th May 2026784 AMAQI

28°C27/29°C

26th May 2026585 AMAQI
26th May 2026636 AMAQI
26th May 2026867 AMAQI
26th May 2026848 AMAQI
26th May 2026849 AMAQI
26th May 20267410 AMAQI
26th May 20266011 AMAQI
26th May 20266212 PMAQI
26th May 2026501 PMAQI
26th May 2026522 PMAQI
26th May 2026493 PMAQI
26th May 2026544 PMAQI
26th May 2026505 PMAQI
26th May 2026606 PMAQI
26th May 2026727 PMAQI
26th May 2026768 PMAQI
26th May 2026689 PMAQI
26th May 20268210 PMAQI
26th May 20267811 PMAQI
27th May 20269312 AMAQI
27th May 2026751 AMAQI
27th May 2026362 AMAQI
27th May 2026623 AMAQI
27th May 2026644 AMAQI

28°C27/29°C

27th May 2026705 AMAQI
27th May 2026666 AMAQI
27th May 2026587 AMAQI
27th May 2026428 AMAQI
27th May 2026389 AMAQI
27th May 20264610 AMAQI
27th May 20264411 AMAQI
27th May 20265412 PMAQI
27th May 2026371 PMAQI
27th May 2026282 PMAQI
27th May 2026273 PMAQI
27th May 2026294 PMAQI
27th May 2026295 PMAQI
27th May 2026386 PMAQI
27th May 2026407 PMAQI
27th May 2026108 PMAQI
27th May 202689 PMAQI
27th May 20263010 PMAQI
27th May 20264011 PMAQI
28th May 20265612 AMAQI
28th May 2026461 AMAQI
28th May 2026312 AMAQI
28th May 2026423 AMAQI
28th May 2026324 AMAQI

28°C27/29°C

28th May 2026315 AMAQI
28th May 2026296 AMAQI
28th May 2026207 AMAQI
28th May 2026308 AMAQI
28th May 2026449 AMAQI
28th May 20266010 AMAQI
28th May 20265111 AMAQI
28th May 20265312 PMAQI
28th May 2026521 PMAQI
28th May 2026582 PMAQI
28th May 2026593 PMAQI
28th May 2026504 PMAQI
28th May 2026565 PMAQI
28th May 2026606 PMAQI
28th May 2026627 PMAQI
28th May 2026668 PMAQI
28th May 2026579 PMAQI
28th May 20266010 PMAQI
28th May 20263411 PMAQI
29th May 20262512 AMAQI
29th May 2026461 AMAQI
29th May 2026542 AMAQI
29th May 2026513 AMAQI
29th May 2026534 AMAQI

28°C27/29°C

29th May 2026525 AMAQI
29th May 2026556 AMAQI
29th May 2026537 AMAQI
29th May 2026348 AMAQI
29th May 2026579 AMAQI
29th May 20266010 AMAQI
29th May 20265311 AMAQI
29th May 20264212 PMAQI
29th May 2026461 PMAQI
29th May 2026502 PMAQI
29th May 2026563 PMAQI
29th May 2026484 PMAQI
29th May 2026545 PMAQI
29th May 2026426 PMAQI
29th May 2026447 PMAQI
29th May 2026318 PMAQI
29th May 2026549 PMAQI
29th May 20264710 PMAQI
29th May 20263611 PMAQI
30th May 20264212 AMAQI
30th May 2026481 AMAQI
30th May 2026332 AMAQI
30th May 2026383 AMAQI
30th May 2026564 AMAQI

28°C27/29°C

30th May 2026425 AMAQI
30th May 2026366 AMAQI
30th May 2026337 AMAQI
30th May 2026478 AMAQI
30th May 2026409 AMAQI
30th May 20263610 AMAQI
30th May 20264811 AMAQI
30th May 20264712 PMAQI
30th May 2026401 PMAQI
30th May 2026382 PMAQI
30th May 2026313 PMAQI
30th May 2026404 PMAQI
30th May 2026465 PMAQI
30th May 2026316 PMAQI
30th May 2026407 PMAQI
30th May 2026468 PMAQI
30th May 2026589 PMAQI
30th May 20265810 PMAQI
30th May 20264011 PMAQI
31st May 20263212 AMAQI
31st May 2026341 AMAQI
31st May 2026392 AMAQI
31st May 2026423 AMAQI
31st May 2026504 AMAQI

28°C27/29°C

31st May 2026525 AMAQI
31st May 2026446 AMAQI
31st May 2026767 AMAQI
31st May 2026538 AMAQI
31st May 2026479 AMAQI
31st May 20265110 AMAQI
31st May 20265211 AMAQI
31st May 20265212 PMAQI
31st May 2026441 PMAQI
31st May 2026422 PMAQI
31st May 2026483 PMAQI
31st May 2026514 PMAQI
31st May 2026335 PMAQI
31st May 2026536 PMAQI
31st May 2026697 PMAQI
31st May 2026628 PMAQI
31st May 2026589 PMAQI
31st May 20264910 PMAQI
31st May 20264711 PMAQI
1st Jun 20265212 AMAQI
1st Jun 2026161 AMAQI
1st Jun 2026102 AMAQI
1st Jun 2026203 AMAQI
1st Jun 2026294 AMAQI

28°C27/29°C

1st Jun 2026345 AMAQI
1st Jun 2026366 AMAQI
1st Jun 2026387 AMAQI
1st Jun 2026348 AMAQI
1st Jun 2026389 AMAQI
1st Jun 20266310 AMAQI
1st Jun 20265211 AMAQI
1st Jun 20265312 PMAQI
1st Jun 2026501 PMAQI
1st Jun 2026442 PMAQI
1st Jun 2026423 PMAQI
1st Jun 2026444 PMAQI
1st Jun 2026425 PMAQI
1st Jun 2026446 PMAQI
1st Jun 2026277 PMAQI
1st Jun 2026218 PMAQI
1st Jun 2026259 PMAQI
1st Jun 20262110 PMAQI
1st Jun 20262511 PMAQI
2nd Jun 20262512 AMAQI
2nd Jun 2026361 AMAQI
2nd Jun 2026322 AMAQI
2nd Jun 2026363 AMAQI
2nd Jun 2026364 AMAQI

28°C27/30°C

2nd Jun 2026215 AMAQI
2nd Jun 2026346 AMAQI
2nd Jun 2026427 AMAQI
2nd Jun 2026518 AMAQI
2nd Jun 2026409 AMAQI
2nd Jun 20262910 AMAQI
2nd Jun 20262911 AMAQI
2nd Jun 20262312 PMAQI
2nd Jun 2026361 PMAQI
2nd Jun 2026282 PMAQI
2nd Jun 2026163 PMAQI
2nd Jun 2026234 PMAQI
2nd Jun 2026305 PMAQI
2nd Jun 2026346 PMAQI
2nd Jun 2026407 PMAQI
2nd Jun 2026508 PMAQI
2nd Jun 2026579 PMAQI
2nd Jun 20265910 PMAQI
2nd Jun 20266011 PMAQI
3rd Jun 20264912 AMAQI
3rd Jun 2026441 AMAQI
3rd Jun 2026422 AMAQI
3rd Jun 2026463 AMAQI
3rd Jun 2026464 AMAQI

28°C27/29°C

3rd Jun 2026515 AMAQI
3rd Jun 2026406 AMAQI
3rd Jun 2026387 AMAQI
3rd Jun 2026458 AMAQI
3rd Jun 2026519 AMAQI
3rd Jun 20264410 AMAQI
3rd Jun 20263811 AMAQI
3rd Jun 20263112 PMAQI
3rd Jun 2026341 PMAQI
3rd Jun 2026192 PMAQI
3rd Jun 2026193 PMAQI
3rd Jun 2026364 PMAQI
3rd Jun 2026465 PMAQI
3rd Jun 2026346 PMAQI
3rd Jun 2026307 PMAQI
3rd Jun 2026428 PMAQI
3rd Jun 2026479 PMAQI
3rd Jun 20264210 PMAQI
3rd Jun 20264011 PMAQI
4th Jun 20264512 AMAQI
4th Jun 2026401 AMAQI
4th Jun 2026272 AMAQI
4th Jun 2026213 AMAQI
4th Jun 2026324 AMAQI

28°C27/29°C

4th Jun 2026385 AMAQI
5 AM
4th Jun 2026366 AMAQI
4th Jun 2026337 AMAQI
4th Jun 2026368 AMAQI
4th Jun 2026349 AMAQI
4th Jun 20264610 AMAQI
4th Jun 20264211 AMAQI
11 AM
4th Jun 20263412 PMAQI
4th Jun 2026251 PMAQI
4th Jun 2026142 PMAQI
4th Jun 2026103 PMAQI
4th Jun 2026104 PMAQI
4th Jun 2026105 PMAQI
4th Jun 2026186 PMAQI
6 PM
4th Jun 2026257 PMAQI
4th Jun 2026238 PMAQI
4th Jun 2026149 PMAQI
4th Jun 20262710 PMAQI
4th Jun 20262511 PMAQI
11 PM
4 AM

28°C27/29°C

Day time
Avg. Highest Time
8 AM - 9 AM

61AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
2 PM - 4 PM

46AQI

3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 AM to 9 AM (Avg. 61), while the lowest AQI was between 2 PM to 4 PM (Avg. 46).
Night time
Avg. Highest Time
3 AM

57AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
7 PM - 8 PM

51AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 AM to 3 AM (Avg. 57), while the lowest AQI was between 7 PM to 8 PM (Avg. 51).

2026 Days Vs Air Quality

Colombo, Western, Sri Lanka

2026

26%

39

52%

78

23%

34

Total number of days with different AQI categories in last 155 days in 2026 (210 days remaining)

Good
39 Days
Moderate
78 Days
Poor
34 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 26%

Health Risk Level:

Very high

In 2026, 26% of 155 days were within WHO’s safe air quality limits. The risk of health issues is Very high, including respiratory issues, heart disease, and stress, particularly affecting vulnerable groups.

Annual Air Quality Insights

Colombo, Western, Sri Lanka

AQI levels in 2026

AQI (US)
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 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
75AQI (US)
2nd January 2026
64AQI (US)
3rd January 2026
73AQI (US)
4th January 2026
76AQI (US)
5th January 2026
75AQI (US)
6th January 2026
87AQI (US)
7th January 2026
105AQI (US)
8th January 2026
77AQI (US)
9th January 2026
59AQI (US)
10th January 2026
77AQI (US)
11th January 2026
77AQI (US)
12th January 2026
75AQI (US)
13th January 2026
61AQI (US)
14th January 2026
73AQI (US)
15th January 2026
80AQI (US)
16th January 2026
111AQI (US)
17th January 2026
132AQI (US)
18th January 2026
130AQI (US)
19th January 2026
106AQI (US)
20th January 2026
101AQI (US)
21st January 2026
94AQI (US)
22nd January 2026
87AQI (US)
23rd January 2026
89AQI (US)
24th January 2026
105AQI (US)
25th January 2026
79AQI (US)
26th January 2026
72AQI (US)
27th January 2026
86AQI (US)
28th January 2026
122AQI (US)
29th January 2026
111AQI (US)
30th January 2026
103AQI (US)
31st January 2026
81AQI (US)
1st February 2026
57AQI (US)
2nd February 2026
77AQI (US)
3rd February 2026
107AQI (US)
4th February 2026
100AQI (US)
5th February 2026
102AQI (US)
6th February 2026
88AQI (US)
7th February 2026
86AQI (US)
8th February 2026
124AQI (US)
9th February 2026
121AQI (US)
10th February 2026
111AQI (US)
11th February 2026
90AQI (US)
12th February 2026
107AQI (US)
13th February 2026
124AQI (US)
14th February 2026
102AQI (US)
15th February 2026
113AQI (US)
16th February 2026
117AQI (US)
17th February 2026
108AQI (US)
18th February 2026
97AQI (US)
19th February 2026
83AQI (US)
20th February 2026
78AQI (US)
21st February 2026
79AQI (US)
22nd February 2026
47AQI (US)
23rd February 2026
62AQI (US)
24th February 2026
61AQI (US)
25th February 2026
72AQI (US)
26th February 2026
87AQI (US)
27th February 2026
108AQI (US)
28th February 2026
115AQI (US)
1st March 2026
122AQI (US)
2nd March 2026
134AQI (US)
3rd March 2026
135AQI (US)
4th March 2026
135AQI (US)
5th March 2026
117AQI (US)
6th March 2026
101AQI (US)
7th March 2026
109AQI (US)
8th March 2026
121AQI (US)
9th March 2026
116AQI (US)
10th March 2026
126AQI (US)
11th March 2026
108AQI (US)
12th March 2026
85AQI (US)
13th March 2026
61AQI (US)
14th March 2026
82AQI (US)
15th March 2026
73AQI (US)
16th March 2026
66AQI (US)
17th March 2026
61AQI (US)
18th March 2026
59AQI (US)
19th March 2026
62AQI (US)
20th March 2026
58AQI (US)
21st March 2026
55AQI (US)
22nd March 2026
64AQI (US)
23rd March 2026
69AQI (US)
24th March 2026
67AQI (US)
25th March 2026
68AQI (US)
26th March 2026
84AQI (US)
27th March 2026
72AQI (US)
28th March 2026
81AQI (US)
29th March 2026
83AQI (US)
30th March 2026
81AQI (US)
31st March 2026
81AQI (US)
1st April 2026
72AQI (US)
2nd April 2026
70AQI (US)
3rd April 2026
67AQI (US)
4th April 2026
42AQI (US)
5th April 2026
42AQI (US)
6th April 2026
41AQI (US)
7th April 2026
44AQI (US)
8th April 2026
44AQI (US)
9th April 2026
43AQI (US)
10th April 2026
64AQI (US)
11th April 2026
66AQI (US)
12th April 2026
60AQI (US)
13th April 2026
57AQI (US)
14th April 2026
62AQI (US)
15th April 2026
40AQI (US)
16th April 2026
50AQI (US)
17th April 2026
18th April 2026
35AQI (US)
19th April 2026
25AQI (US)
20th April 2026
40AQI (US)
21st April 2026
30AQI (US)
22nd April 2026
23rd April 2026
41AQI (US)
24th April 2026
34AQI (US)
25th April 2026
37AQI (US)
26th April 2026
35AQI (US)
27th April 2026
46AQI (US)
28th April 2026
38AQI (US)
29th April 2026
32AQI (US)
30th April 2026
21AQI (US)
1st May 2026
43AQI (US)
2nd May 2026
49AQI (US)
3rd May 2026
56AQI (US)
4th May 2026
48AQI (US)
5th May 2026
36AQI (US)
6th May 2026
65AQI (US)
7th May 2026
60AQI (US)
8th May 2026
63AQI (US)
9th May 2026
10th May 2026
31AQI (US)
11th May 2026
60AQI (US)
12th May 2026
76AQI (US)
13th May 2026
78AQI (US)
14th May 2026
66AQI (US)
15th May 2026
41AQI (US)
16th May 2026
85AQI (US)
17th May 2026
79AQI (US)
18th May 2026
63AQI (US)
19th May 2026
45AQI (US)
20th May 2026
40AQI (US)
21st May 2026
51AQI (US)
22nd May 2026
51AQI (US)
23rd May 2026
45AQI (US)
24th May 2026
47AQI (US)
25th May 2026
56AQI (US)
26th May 2026
68AQI (US)
27th May 2026
44AQI (US)
28th May 2026
47AQI (US)
29th May 2026
48AQI (US)
30th May 2026
42AQI (US)
31st May 2026
49AQI (US)
1st June 2026
36AQI (US)
2nd June 2026
36AQI (US)
3rd June 2026
40AQI (US)
4th June 2026
5th June 2026
6th June 2026
7th June 2026
8th June 2026
9th June 2026
10th June 2026
11th June 2026
12th June 2026
13th June 2026
14th June 2026
15th June 2026
16th June 2026
17th June 2026
18th June 2026
19th June 2026
20th June 2026
21st June 2026
22nd June 2026
23rd June 2026
24th June 2026
25th June 2026
26th June 2026
27th June 2026
28th June 2026
29th June 2026
30th June 2026
1st July 2026
2nd July 2026
3rd July 2026
4th July 2026
5th July 2026
6th July 2026
7th July 2026
8th July 2026
9th July 2026
10th July 2026
11th July 2026
12th July 2026
13th July 2026
14th July 2026
15th July 2026
16th July 2026
17th July 2026
18th July 2026
19th July 2026
20th July 2026
21st July 2026
22nd July 2026
23rd July 2026
24th July 2026
25th July 2026
26th July 2026
27th July 2026
28th July 2026
29th July 2026
30th July 2026
31st July 2026
1st August 2026
2nd August 2026
3rd August 2026
4th August 2026
5th August 2026
6th August 2026
7th August 2026
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026

88AQI (US)

94AQI (US)

88AQI (US)

46AQI (US)

54AQI (US)

37AQI (US)

No. of days

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

202674AQI (US)

21
10
1
14
13
20
11
20
8
15
15
3
39
78
34

Highest AQI (US) recorded in

February

94AQI (US)

Lowest AQI (US) recorded in

June

37AQI (US)

202572AQI (US)

25
6
17
10
1
25
6
30
2
29
3
27
4
27
31
5
25
2
29
7
20
3
24
7
23
309
32
1

Highest AQI (US) recorded in

February

101AQI (US)

Lowest AQI (US) recorded in

July

55AQI (US)

202462AQI (US)

1
19
10
10
8
16
11
11
19
21
10
22
8
1
30
26
5
12
6
27
4
4
25
1
31
125
183
30

Highest AQI (US) recorded in

March

96AQI (US)

Lowest AQI (US) recorded in

August

36AQI (US)

202366AQI (US)

17
14
1
20
7
1
18
12
1
26
3
12
19
14
16
8
17
12
19
25
5
10
21
4
15
5
26
93
219
36

Highest AQI (US) recorded in

January

100AQI (US)

Lowest AQI (US) recorded in

September

43AQI (US)

202273AQI (US)

6
6
1
9
5
18
13
10
10
3
21
9
11
13
1
18
11
16
13
2
17
11
2
11
15
2
77
121
52
4

Highest AQI (US) recorded in

December

106AQI (US)

Lowest AQI (US) recorded in

June

47AQI (US)

202154AQI (US)

3
19
6
1
19
9
2
16
12
9
7
26
5
22
8
29
2
25
5
21
3
21
9
13
4
1
171
98
27
1

Highest AQI (US) recorded in

February

96AQI (US)

Lowest AQI (US) recorded in

August

35AQI (US)

202052AQI (US)

12
1
9
11
1
13
5
24
6
26
4
30
1
25
4
21
9
1
6
23
1
1
26
4
155
101
8

Highest AQI (US) recorded in

March

80AQI (US)

Lowest AQI (US) recorded in

August

35AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2026(Avg.)
74AQI (US)
Least Polluted Year Recorded
2020(Avg.)
52AQI (US)

Colombo's annual 2026 AQI (US) (74) shows an average percentage change of 19.1% (worsened AQI (US)) compared to previous years: 2020 (52), 2021 (54), 2022 (73), 2023 (66), 2024 (62), 2025 (72).