Ko Samui, Surat Thani, Thailand 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+
August Air Quality Analysis
Ko Samui, Surat Thani, Thailand
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
3rd Aug 2024
63AQILowest AQI recorded on
23rd Aug 2024
35AQISame Day Analysis (8th August ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 2nd highest AQI at 49 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 9th Aug - 10th Aug 2025
Ko Samui, Surat Thani, Thailand
AQI
Day
Night
.
6 AM9th Aug 2025
6 PM
5 AM10th Aug 2025
Day time
Avg. Highest Time
6AM9th Aug
51AQI
Avg. Lowest Time
12PM9th Aug
31AQI
Night time
Avg. Highest Time
1AM10th Aug
49AQI
Avg. Lowest Time
12AM10th Aug
40AQI
In the last 24 hours,
Ko Samui's AQI reached its highest point of 51 at 6 AM during the Day, while the lowest point, 31, was recorded at 12 PM during the Day between 9th Aug and 10th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Ko Samui, Surat Thani, Thailand
JulAug
11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th
Day
Night
11th Jul 2025396 AMAQI
11th Jul 2025307 AMAQI
11th Jul 2025288 AMAQI
11th Jul 2025349 AMAQI
11th Jul 20254410 AMAQI
11th Jul 20253611 AMAQI
11th Jul 20253412 PMAQI
11th Jul 2025391 PMAQI
11th Jul 2025382 PMAQI
11th Jul 2025403 PMAQI
11th Jul 2025394 PMAQI
11th Jul 2025415 PMAQI
11th Jul 2025386 PMAQI
11th Jul 2025407 PMAQI
11th Jul 2025418 PMAQI
11th Jul 2025419 PMAQI
11th Jul 20254010 PMAQI
11th Jul 20253911 PMAQI
12th Jul 20253912 AMAQI
12th Jul 2025431 AMAQI
12th Jul 2025442 AMAQI
12th Jul 2025423 AMAQI
12th Jul 2025414 AMAQI
12th Jul 2025415 AMAQI
29°C28/30°C
12th Jul 2025416 AMAQI
12th Jul 2025347 AMAQI
12th Jul 2025388 AMAQI
12th Jul 2025409 AMAQI
12th Jul 20253510 AMAQI
12th Jul 20253911 AMAQI
12th Jul 20254512 PMAQI
12th Jul 2025401 PMAQI
12th Jul 2025422 PMAQI
12th Jul 2025403 PMAQI
12th Jul 2025384 PMAQI
12th Jul 2025425 PMAQI
12th Jul 2025446 PMAQI
12th Jul 2025427 PMAQI
12th Jul 2025418 PMAQI
12th Jul 2025429 PMAQI
12th Jul 20254110 PMAQI
12th Jul 20254011 PMAQI
13th Jul 20254212 AMAQI
13th Jul 2025431 AMAQI
13th Jul 2025422 AMAQI
13th Jul 2025423 AMAQI
13th Jul 2025424 AMAQI
13th Jul 2025415 AMAQI
29°C29/30°C
13th Jul 2025406 AMAQI
13th Jul 2025407 AMAQI
13th Jul 2025408 AMAQI
13th Jul 2025399 AMAQI
13th Jul 20254010 AMAQI
13th Jul 20253711 AMAQI
13th Jul 20253912 PMAQI
13th Jul 2025381 PMAQI
13th Jul 2025422 PMAQI
13th Jul 2025413 PMAQI
13th Jul 2025424 PMAQI
13th Jul 2025425 PMAQI
13th Jul 2025476 PMAQI
13th Jul 2025477 PMAQI
13th Jul 2025448 PMAQI
13th Jul 2025479 PMAQI
13th Jul 20254910 PMAQI
13th Jul 20254611 PMAQI
14th Jul 20254212 AMAQI
14th Jul 2025431 AMAQI
14th Jul 2025402 AMAQI
14th Jul 2025423 AMAQI
14th Jul 2025434 AMAQI
14th Jul 2025425 AMAQI
29°C28/30°C
14th Jul 2025426 AMAQI
14th Jul 2025367 AMAQI
14th Jul 2025398 AMAQI
14th Jul 2025469 AMAQI
14th Jul 20253910 AMAQI
14th Jul 20253711 AMAQI
14th Jul 20253812 PMAQI
14th Jul 2025431 PMAQI
14th Jul 2025442 PMAQI
14th Jul 2025403 PMAQI
14th Jul 2025394 PMAQI
14th Jul 2025405 PMAQI
14th Jul 2025396 PMAQI
14th Jul 2025417 PMAQI
14th Jul 2025438 PMAQI
14th Jul 2025429 PMAQI
14th Jul 20254210 PMAQI
14th Jul 20254111 PMAQI
15th Jul 20254112 AMAQI
15th Jul 2025441 AMAQI
15th Jul 2025432 AMAQI
15th Jul 2025433 AMAQI
15th Jul 2025434 AMAQI
15th Jul 2025425 AMAQI
29°C28/30°C
15th Jul 2025436 AMAQI
15th Jul 2025327 AMAQI
15th Jul 2025338 AMAQI
15th Jul 2025399 AMAQI
15th Jul 20254210 AMAQI
15th Jul 20253811 AMAQI
15th Jul 20253612 PMAQI
15th Jul 2025361 PMAQI
15th Jul 2025372 PMAQI
15th Jul 2025363 PMAQI
15th Jul 2025424 PMAQI
15th Jul 2025375 PMAQI
15th Jul 2025376 PMAQI
15th Jul 2025407 PMAQI
15th Jul 2025408 PMAQI
15th Jul 2025419 PMAQI
15th Jul 20254010 PMAQI
15th Jul 20254211 PMAQI
16th Jul 20254112 AMAQI
16th Jul 2025441 AMAQI
16th Jul 2025422 AMAQI
16th Jul 2025453 AMAQI
16th Jul 2025424 AMAQI
16th Jul 2025435 AMAQI
29°C28/29°C
16th Jul 2025426 AMAQI
16th Jul 2025367 AMAQI
16th Jul 2025328 AMAQI
16th Jul 2025279 AMAQI
16th Jul 20252810 AMAQI
16th Jul 20254011 AMAQI
16th Jul 20253612 PMAQI
16th Jul 2025371 PMAQI
16th Jul 2025362 PMAQI
16th Jul 2025343 PMAQI
16th Jul 2025404 PMAQI
16th Jul 2025435 PMAQI
16th Jul 2025376 PMAQI
16th Jul 2025377 PMAQI
16th Jul 2025388 PMAQI
16th Jul 2025429 PMAQI
16th Jul 20254010 PMAQI
16th Jul 20254111 PMAQI
17th Jul 20254312 AMAQI
17th Jul 2025441 AMAQI
17th Jul 2025412 AMAQI
17th Jul 2025413 AMAQI
17th Jul 2025424 AMAQI
17th Jul 2025425 AMAQI
29°C28/29°C
17th Jul 2025436 AMAQI
17th Jul 2025307 AMAQI
17th Jul 2025388 AMAQI
17th Jul 2025399 AMAQI
17th Jul 20254510 AMAQI
17th Jul 20254011 AMAQI
17th Jul 20253712 PMAQI
17th Jul 2025341 PMAQI
17th Jul 2025352 PMAQI
17th Jul 2025373 PMAQI
17th Jul 2025384 PMAQI
17th Jul 2025365 PMAQI
17th Jul 2025366 PMAQI
17th Jul 2025427 PMAQI
17th Jul 2025448 PMAQI
17th Jul 2025429 PMAQI
17th Jul 20254510 PMAQI
17th Jul 20254311 PMAQI
18th Jul 20254312 AMAQI
18th Jul 2025441 AMAQI
18th Jul 2025452 AMAQI
18th Jul 2025433 AMAQI
18th Jul 2025444 AMAQI
18th Jul 2025435 AMAQI
29°C29/30°C
18th Jul 2025426 AMAQI
18th Jul 2025367 AMAQI
18th Jul 2025438 AMAQI
18th Jul 2025459 AMAQI
18th Jul 20254010 AMAQI
18th Jul 20254011 AMAQI
18th Jul 20253812 PMAQI
18th Jul 2025401 PMAQI
18th Jul 2025402 PMAQI
18th Jul 2025403 PMAQI
18th Jul 2025354 PMAQI
18th Jul 2025385 PMAQI
18th Jul 2025406 PMAQI
18th Jul 2025487 PMAQI
18th Jul 2025468 PMAQI
18th Jul 2025439 PMAQI
18th Jul 20254110 PMAQI
18th Jul 20254211 PMAQI
19th Jul 20254312 AMAQI
19th Jul 2025451 AMAQI
19th Jul 2025442 AMAQI
19th Jul 2025433 AMAQI
19th Jul 2025434 AMAQI
19th Jul 2025435 AMAQI
29°C28/31°C
19th Jul 2025436 AMAQI
19th Jul 2025347 AMAQI
19th Jul 2025358 AMAQI
19th Jul 2025379 AMAQI
19th Jul 20253910 AMAQI
19th Jul 20254211 AMAQI
19th Jul 20253912 PMAQI
19th Jul 2025381 PMAQI
19th Jul 2025422 PMAQI
19th Jul 2025413 PMAQI
19th Jul 2025394 PMAQI
19th Jul 2025425 PMAQI
19th Jul 2025436 PMAQI
19th Jul 2025497 PMAQI
19th Jul 2025498 PMAQI
19th Jul 2025489 PMAQI
19th Jul 20254410 PMAQI
19th Jul 20254411 PMAQI
20th Jul 20254512 AMAQI
20th Jul 2025471 AMAQI
20th Jul 2025462 AMAQI
20th Jul 2025433 AMAQI
20th Jul 2025444 AMAQI
20th Jul 2025445 AMAQI
29°C28/30°C
20th Jul 2025426 AMAQI
20th Jul 2025407 AMAQI
20th Jul 2025378 AMAQI
20th Jul 2025389 AMAQI
20th Jul 20253610 AMAQI
20th Jul 20254011 AMAQI
20th Jul 20254012 PMAQI
20th Jul 2025411 PMAQI
20th Jul 2025392 PMAQI
20th Jul 2025423 PMAQI
20th Jul 2025414 PMAQI
20th Jul 2025445 PMAQI
20th Jul 2025466 PMAQI
20th Jul 2025467 PMAQI
20th Jul 2025468 PMAQI
20th Jul 2025499 PMAQI
20th Jul 20254710 PMAQI
20th Jul 20254811 PMAQI
21st Jul 20254512 AMAQI
21st Jul 2025501 AMAQI
21st Jul 2025472 AMAQI
21st Jul 2025453 AMAQI
21st Jul 2025464 AMAQI
21st Jul 2025455 AMAQI
29°C28/31°C
21st Jul 2025456 AMAQI
21st Jul 2025337 AMAQI
21st Jul 2025308 AMAQI
21st Jul 2025369 AMAQI
21st Jul 20253410 AMAQI
21st Jul 20253611 AMAQI
21st Jul 20254012 PMAQI
21st Jul 2025421 PMAQI
21st Jul 2025462 PMAQI
21st Jul 2025423 PMAQI
21st Jul 2025434 PMAQI
21st Jul 2025415 PMAQI
21st Jul 2025406 PMAQI
21st Jul 2025447 PMAQI
21st Jul 2025428 PMAQI
21st Jul 2025429 PMAQI
21st Jul 20254110 PMAQI
21st Jul 20254311 PMAQI
22nd Jul 20254412 AMAQI
22nd Jul 2025481 AMAQI
22nd Jul 2025472 AMAQI
22nd Jul 2025473 AMAQI
22nd Jul 2025474 AMAQI
22nd Jul 2025455 AMAQI
29°C28/31°C
22nd Jul 2025476 AMAQI
22nd Jul 2025367 AMAQI
22nd Jul 2025368 AMAQI
22nd Jul 2025419 AMAQI
22nd Jul 20253610 AMAQI
22nd Jul 20254011 AMAQI
22nd Jul 20254012 PMAQI
22nd Jul 2025361 PMAQI
22nd Jul 2025392 PMAQI
22nd Jul 2025383 PMAQI
22nd Jul 2025384 PMAQI
22nd Jul 2025435 PMAQI
22nd Jul 2025396 PMAQI
22nd Jul 2025427 PMAQI
22nd Jul 2025428 PMAQI
22nd Jul 2025449 PMAQI
22nd Jul 20254310 PMAQI
22nd Jul 20254211 PMAQI
23rd Jul 20254412 AMAQI
23rd Jul 2025461 AMAQI
23rd Jul 2025462 AMAQI
23rd Jul 2025463 AMAQI
23rd Jul 2025454 AMAQI
23rd Jul 2025445 AMAQI
29°C28/31°C
23rd Jul 2025446 AMAQI
23rd Jul 2025307 AMAQI
23rd Jul 2025338 AMAQI
23rd Jul 2025329 AMAQI
23rd Jul 20253110 AMAQI
23rd Jul 20253511 AMAQI
23rd Jul 20253412 PMAQI
23rd Jul 2025341 PMAQI
23rd Jul 2025382 PMAQI
23rd Jul 2025373 PMAQI
23rd Jul 2025364 PMAQI
23rd Jul 2025385 PMAQI
23rd Jul 2025336 PMAQI
23rd Jul 2025447 PMAQI
23rd Jul 2025458 PMAQI
23rd Jul 2025469 PMAQI
23rd Jul 20254410 PMAQI
23rd Jul 20254411 PMAQI
24th Jul 20254512 AMAQI
24th Jul 2025471 AMAQI
24th Jul 2025452 AMAQI
24th Jul 2025463 AMAQI
24th Jul 2025444 AMAQI
24th Jul 2025445 AMAQI
29°C28/30°C
24th Jul 2025446 AMAQI
24th Jul 2025417 AMAQI
24th Jul 2025398 AMAQI
24th Jul 2025399 AMAQI
24th Jul 20253910 AMAQI
24th Jul 20254011 AMAQI
24th Jul 20253812 PMAQI
24th Jul 2025391 PMAQI
24th Jul 2025402 PMAQI
24th Jul 2025423 PMAQI
24th Jul 2025384 PMAQI
24th Jul 2025445 PMAQI
24th Jul 2025466 PMAQI
24th Jul 2025467 PMAQI
24th Jul 2025468 PMAQI
24th Jul 2025459 PMAQI
24th Jul 20254610 PMAQI
24th Jul 20254511 PMAQI
25th Jul 20254712 AMAQI
25th Jul 2025491 AMAQI
25th Jul 2025492 AMAQI
25th Jul 2025483 AMAQI
25th Jul 2025484 AMAQI
25th Jul 2025465 AMAQI
29°C28/31°C
25th Jul 2025466 AMAQI
25th Jul 2025427 AMAQI
25th Jul 2025428 AMAQI
25th Jul 2025449 AMAQI
25th Jul 20253810 AMAQI
25th Jul 20254211 AMAQI
25th Jul 20254212 PMAQI
25th Jul 2025421 PMAQI
25th Jul 2025402 PMAQI
25th Jul 2025423 PMAQI
25th Jul 2025404 PMAQI
25th Jul 2025425 PMAQI
25th Jul 2025416 PMAQI
25th Jul 2025567 PMAQI
25th Jul 2025468 PMAQI
25th Jul 2025579 PMAQI
25th Jul 20255310 PMAQI
25th Jul 20254611 PMAQI
26th Jul 20255012 AMAQI
26th Jul 2025481 AMAQI
26th Jul 2025492 AMAQI
26th Jul 2025463 AMAQI
26th Jul 2025484 AMAQI
26th Jul 2025455 AMAQI
29°C28/30°C
26th Jul 2025456 AMAQI
26th Jul 2025467 AMAQI
26th Jul 2025438 AMAQI
26th Jul 2025439 AMAQI
26th Jul 20254310 AMAQI
26th Jul 20254711 AMAQI
26th Jul 20254412 PMAQI
26th Jul 2025441 PMAQI
26th Jul 2025512 PMAQI
26th Jul 2025483 PMAQI
26th Jul 2025414 PMAQI
26th Jul 2025405 PMAQI
26th Jul 2025436 PMAQI
26th Jul 2025467 PMAQI
26th Jul 2025468 PMAQI
26th Jul 2025489 PMAQI
26th Jul 20255010 PMAQI
26th Jul 20254811 PMAQI
27th Jul 20255312 AMAQI
27th Jul 2025521 AMAQI
27th Jul 2025502 AMAQI
27th Jul 2025493 AMAQI
27th Jul 2025504 AMAQI
27th Jul 2025495 AMAQI
29°C29/30°C
27th Jul 2025506 AMAQI
27th Jul 2025447 AMAQI
27th Jul 2025428 AMAQI
27th Jul 2025449 AMAQI
27th Jul 20254310 AMAQI
27th Jul 20254611 AMAQI
27th Jul 20254612 PMAQI
27th Jul 2025421 PMAQI
27th Jul 2025462 PMAQI
27th Jul 2025463 PMAQI
27th Jul 2025484 PMAQI
27th Jul 2025465 PMAQI
27th Jul 2025486 PMAQI
27th Jul 2025497 PMAQI
27th Jul 2025488 PMAQI
27th Jul 2025479 PMAQI
27th Jul 20254610 PMAQI
27th Jul 20254911 PMAQI
28th Jul 20255112 AMAQI
28th Jul 2025521 AMAQI
28th Jul 2025512 AMAQI
28th Jul 2025503 AMAQI
28th Jul 2025524 AMAQI
28th Jul 2025515 AMAQI
29°C28/30°C
28th Jul 2025526 AMAQI
28th Jul 2025447 AMAQI
28th Jul 2025458 AMAQI
28th Jul 2025419 AMAQI
28th Jul 20254610 AMAQI
28th Jul 20254811 AMAQI
28th Jul 20254812 PMAQI
28th Jul 2025481 PMAQI
28th Jul 2025472 PMAQI
28th Jul 2025453 PMAQI
28th Jul 2025464 PMAQI
28th Jul 2025425 PMAQI
28th Jul 2025476 PMAQI
28th Jul 2025607 PMAQI
28th Jul 2025518 PMAQI
28th Jul 2025519 PMAQI
28th Jul 20254810 PMAQI
28th Jul 20254811 PMAQI
29th Jul 20255012 AMAQI
29th Jul 2025511 AMAQI
29th Jul 2025512 AMAQI
29th Jul 2025533 AMAQI
29th Jul 2025524 AMAQI
29th Jul 2025525 AMAQI
29°C28/31°C
29th Jul 2025526 AMAQI
29th Jul 2025407 AMAQI
29th Jul 2025428 AMAQI
29th Jul 2025389 AMAQI
29th Jul 20253810 AMAQI
29th Jul 20254411 AMAQI
29th Jul 20254412 PMAQI
29th Jul 2025451 PMAQI
29th Jul 2025412 PMAQI
29th Jul 2025423 PMAQI
29th Jul 2025494 PMAQI
29th Jul 2025455 PMAQI
29th Jul 2025476 PMAQI
29th Jul 2025587 PMAQI
29th Jul 2025568 PMAQI
29th Jul 2025499 PMAQI
29th Jul 20255210 PMAQI
29th Jul 20255111 PMAQI
30th Jul 20255212 AMAQI
30th Jul 2025511 AMAQI
30th Jul 2025512 AMAQI
30th Jul 2025523 AMAQI
30th Jul 2025544 AMAQI
30th Jul 2025535 AMAQI
29°C29/31°C
30th Jul 2025536 AMAQI
30th Jul 2025427 AMAQI
30th Jul 2025428 AMAQI
30th Jul 2025409 AMAQI
30th Jul 20253410 AMAQI
30th Jul 20254511 AMAQI
30th Jul 20254412 PMAQI
30th Jul 2025441 PMAQI
30th Jul 2025422 PMAQI
30th Jul 2025443 PMAQI
30th Jul 2025424 PMAQI
30th Jul 2025475 PMAQI
30th Jul 2025456 PMAQI
30th Jul 2025467 PMAQI
30th Jul 2025498 PMAQI
30th Jul 2025479 PMAQI
30th Jul 20254810 PMAQI
30th Jul 20254711 PMAQI
31st Jul 20254812 AMAQI
31st Jul 2025511 AMAQI
31st Jul 2025522 AMAQI
31st Jul 2025523 AMAQI
31st Jul 2025524 AMAQI
31st Jul 2025525 AMAQI
29°C28/31°C
31st Jul 2025526 AMAQI
31st Jul 2025527 AMAQI
31st Jul 2025528 AMAQI
31st Jul 2025479 AMAQI
31st Jul 20253810 AMAQI
31st Jul 20254611 AMAQI
31st Jul 20254612 PMAQI
31st Jul 2025471 PMAQI
31st Jul 2025462 PMAQI
31st Jul 2025453 PMAQI
31st Jul 2025454 PMAQI
31st Jul 2025475 PMAQI
31st Jul 2025436 PMAQI
31st Jul 2025527 PMAQI
31st Jul 2025548 PMAQI
31st Jul 2025609 PMAQI
31st Jul 20255310 PMAQI
31st Jul 20255611 PMAQI
1st Aug 20255312 AMAQI
1st Aug 2025531 AMAQI
1st Aug 2025522 AMAQI
1st Aug 2025503 AMAQI
1st Aug 2025514 AMAQI
1st Aug 2025525 AMAQI
29°C28/30°C
1st Aug 2025536 AMAQI
1st Aug 2025547 AMAQI
1st Aug 2025528 AMAQI
1st Aug 2025529 AMAQI
1st Aug 20255610 AMAQI
1st Aug 20255111 AMAQI
1st Aug 20255412 PMAQI
1st Aug 2025551 PMAQI
1st Aug 2025542 PMAQI
1st Aug 2025493 PMAQI
1st Aug 2025544 PMAQI
1st Aug 2025565 PMAQI
1st Aug 2025556 PMAQI
1st Aug 2025527 PMAQI
1st Aug 2025508 PMAQI
1st Aug 2025509 PMAQI
1st Aug 20255410 PMAQI
1st Aug 20255211 PMAQI
2nd Aug 20255612 AMAQI
2nd Aug 2025541 AMAQI
2nd Aug 2025532 AMAQI
2nd Aug 2025533 AMAQI
2nd Aug 2025544 AMAQI
2nd Aug 2025545 AMAQI
29°C28/30°C
2nd Aug 2025546 AMAQI
2nd Aug 2025547 AMAQI
2nd Aug 2025568 AMAQI
2nd Aug 2025599 AMAQI
2nd Aug 20255710 AMAQI
2nd Aug 20255611 AMAQI
2nd Aug 20255612 PMAQI
2nd Aug 2025571 PMAQI
2nd Aug 2025502 PMAQI
2nd Aug 2025493 PMAQI
2nd Aug 2025544 PMAQI
2nd Aug 2025595 PMAQI
2nd Aug 2025546 PMAQI
2nd Aug 2025547 PMAQI
2nd Aug 2025548 PMAQI
2nd Aug 2025559 PMAQI
2nd Aug 20255410 PMAQI
2nd Aug 20255411 PMAQI
3rd Aug 20255412 AMAQI
3rd Aug 2025551 AMAQI
3rd Aug 2025542 AMAQI
3rd Aug 2025543 AMAQI
3rd Aug 2025544 AMAQI
3rd Aug 2025545 AMAQI
29°C28/30°C
3rd Aug 2025566 AMAQI
3rd Aug 2025537 AMAQI
3rd Aug 2025468 AMAQI
3rd Aug 2025529 AMAQI
3rd Aug 20254810 AMAQI
3rd Aug 20255011 AMAQI
3rd Aug 20255112 PMAQI
3rd Aug 2025501 PMAQI
3rd Aug 2025532 PMAQI
3rd Aug 2025543 PMAQI
3rd Aug 2025544 PMAQI
3rd Aug 2025525 PMAQI
3rd Aug 2025516 PMAQI
3rd Aug 2025527 PMAQI
3rd Aug 2025538 PMAQI
3rd Aug 2025569 PMAQI
3rd Aug 20255610 PMAQI
3rd Aug 20255911 PMAQI
4th Aug 20255412 AMAQI
4th Aug 2025551 AMAQI
4th Aug 2025542 AMAQI
4th Aug 2025543 AMAQI
4th Aug 2025544 AMAQI
4th Aug 2025545 AMAQI
29°C28/30°C
4th Aug 2025546 AMAQI
4th Aug 2025557 AMAQI
4th Aug 2025548 AMAQI
4th Aug 2025549 AMAQI
4th Aug 20255810 AMAQI
4th Aug 20254311 AMAQI
4th Aug 20254812 PMAQI
4th Aug 2025451 PMAQI
4th Aug 2025462 PMAQI
4th Aug 2025523 PMAQI
4th Aug 2025494 PMAQI
4th Aug 2025505 PMAQI
4th Aug 2025526 PMAQI
4th Aug 2025537 PMAQI
4th Aug 2025528 PMAQI
4th Aug 2025559 PMAQI
4th Aug 20255610 PMAQI
4th Aug 20255411 PMAQI
5th Aug 20255612 AMAQI
5th Aug 2025541 AMAQI
5th Aug 2025542 AMAQI
5th Aug 2025543 AMAQI
5th Aug 2025544 AMAQI
5th Aug 2025545 AMAQI
29°C29/30°C
5th Aug 2025556 AMAQI
5th Aug 2025447 AMAQI
5th Aug 2025468 AMAQI
5th Aug 2025539 AMAQI
5th Aug 20255810 AMAQI
5th Aug 20254911 AMAQI
5th Aug 20255312 PMAQI
5th Aug 2025521 PMAQI
5th Aug 2025512 PMAQI
5th Aug 2025463 PMAQI
5th Aug 2025464 PMAQI
5th Aug 2025495 PMAQI
5th Aug 2025526 PMAQI
5th Aug 2025527 PMAQI
5th Aug 2025528 PMAQI
5th Aug 2025539 PMAQI
5th Aug 20255310 PMAQI
5th Aug 20255411 PMAQI
6th Aug 20255612 AMAQI
6th Aug 2025561 AMAQI
6th Aug 2025542 AMAQI
6th Aug 2025543 AMAQI
6th Aug 2025544 AMAQI
6th Aug 2025555 AMAQI
29°C28/30°C
6th Aug 2025546 AMAQI
6th Aug 2025567 AMAQI
6th Aug 2025558 AMAQI
6th Aug 2025579 AMAQI
6th Aug 20256210 AMAQI
6th Aug 20255911 AMAQI
6th Aug 20256012 PMAQI
6th Aug 2025531 PMAQI
6th Aug 2025522 PMAQI
6th Aug 2025533 PMAQI
6th Aug 2025504 PMAQI
6th Aug 2025535 PMAQI
6th Aug 2025546 PMAQI
6th Aug 2025537 PMAQI
6th Aug 2025538 PMAQI
6th Aug 2025549 PMAQI
6th Aug 20255510 PMAQI
6th Aug 20255411 PMAQI
7th Aug 20255412 AMAQI
7th Aug 2025551 AMAQI
7th Aug 2025552 AMAQI
7th Aug 2025543 AMAQI
7th Aug 2025544 AMAQI
7th Aug 2025545 AMAQI
29°C29/30°C
7th Aug 2025556 AMAQI
7th Aug 2025487 AMAQI
7th Aug 2025508 AMAQI
7th Aug 2025529 AMAQI
7th Aug 20256010 AMAQI
7th Aug 20256311 AMAQI
7th Aug 20254212 PMAQI
7th Aug 2025401 PMAQI
7th Aug 2025492 PMAQI
7th Aug 2025473 PMAQI
7th Aug 2025474 PMAQI
7th Aug 2025455 PMAQI
7th Aug 2025516 PMAQI
7th Aug 2025537 PMAQI
7th Aug 2025608 PMAQI
7th Aug 2025659 PMAQI
7th Aug 20255710 PMAQI
7th Aug 20255311 PMAQI
8th Aug 20255412 AMAQI
8th Aug 2025541 AMAQI
8th Aug 2025552 AMAQI
8th Aug 2025543 AMAQI
8th Aug 2025544 AMAQI
8th Aug 2025545 AMAQI
29°C28/29°C
8th Aug 2025546 AMAQI
8th Aug 2025487 AMAQI
8th Aug 2025448 AMAQI
8th Aug 2025479 AMAQI
8th Aug 20253310 AMAQI
8th Aug 20253811 AMAQI
8th Aug 20253412 PMAQI
8th Aug 2025411 PMAQI
8th Aug 2025422 PMAQI
8th Aug 2025403 PMAQI
8th Aug 2025444 PMAQI
8th Aug 2025415 PMAQI
8th Aug 2025446 PMAQI
8th Aug 2025527 PMAQI
8th Aug 2025508 PMAQI
8th Aug 2025509 PMAQI
8th Aug 20255010 PMAQI
8th Aug 20254811 PMAQI
9th Aug 20254812 AMAQI
9th Aug 2025531 AMAQI
9th Aug 2025532 AMAQI
9th Aug 2025533 AMAQI
9th Aug 2025524 AMAQI
9th Aug 2025515 AMAQI
29°C28/30°C
9th Aug 2025516 AMAQI
9th Aug 2025347 AMAQI
9th Aug 2025328 AMAQI
9th Aug 2025349 AMAQI
9th Aug 20253610 AMAQI
9th Aug 20254111 AMAQI
9th Aug 20253112 PMAQI
9th Aug 2025341 PMAQI
9th Aug 2025342 PMAQI
9th Aug 2025343 PMAQI
9th Aug 2025384 PMAQI
9th Aug 2025395 PMAQI
9th Aug 2025406 PMAQI
9th Aug 2025487 PMAQI
9th Aug 2025468 PMAQI
9th Aug 2025469 PMAQI
9th Aug 20254510 PMAQI
9th Aug 20254211 PMAQI
10th Aug 20254012 AMAQI
10th Aug 2025491 AMAQI
10th Aug 2025492 AMAQI
10th Aug 2025483 AMAQI
10th Aug 2025484 AMAQI
10th Aug 2025485 AMAQI
29°C28/30°C
10th Aug 2025486 AMAQI
6 AM10th Aug 2025367 AMAQI
10th Aug 2025348 AMAQI
10th Aug 2025339 AMAQI
12 PM
6 PM
12 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
6 AM
48AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
7 AM - 6 PM
43AQI
12 hours / Day
360 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 6 AM (Avg. 48), while the lowest AQI was between 7 AM to 6 PM (Avg. 43).
Night time
Avg. Highest Time
12 AM - 11 PM
48AQI
11 hours / Day
330 hours / Month
Avg. Lowest Time
12 AM - 11 PM
48AQI
11 hours / Day
330 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 48), while the lowest AQI was between 12 AM to 11 PM (Avg. 48).
2025 Days Vs Air Quality
Ko Samui, Surat Thani, Thailand
2025
52%
114
48%
106
Total number of days with different AQI categories in last 222 days in 2025 (143 days remaining)
Good
114 DaysModerate
106 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 52%
Health Risk Level:
Considerable
In 2025, 52% of 222 days were within WHO’s safe air quality limits, and 48% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.
Annual Air Quality Insights
Ko Samui, Surat Thani, Thailand
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.
1st January 2025
68AQI
68AQI
2nd January 2025
69AQI
69AQI
3rd January 2025
76AQI
76AQI
4th January 2025
81AQI
81AQI
5th January 2025
82AQI
82AQI
6th January 2025
83AQI
83AQI
7th January 2025
82AQI
82AQI
8th January 2025
93AQI
93AQI
9th January 2025
86AQI
86AQI
10th January 2025
76AQI
76AQI
11th January 2025
72AQI
72AQI
12th January 2025
70AQI
70AQI
13th January 2025
79AQI
79AQI
14th January 2025
81AQI
81AQI
15th January 2025
84AQI
84AQI
16th January 2025
64AQI
64AQI
17th January 2025
68AQI
68AQI
18th January 2025
75AQI
75AQI
19th January 2025
82AQI
82AQI
20th January 2025
84AQI
84AQI
21st January 2025
87AQI
87AQI
22nd January 2025
89AQI
89AQI
23rd January 2025
93AQI
93AQI
24th January 2025
94AQI
94AQI
25th January 2025
93AQI
93AQI
26th January 2025
82AQI
82AQI
27th January 2025
72AQI
72AQI
28th January 2025
77AQI
77AQI
29th January 2025
82AQI
82AQI
30th January 2025
85AQI
85AQI
31st January 2025
97AQI
97AQI
1st February 2025
88AQI
88AQI
2nd February 2025
92AQI
92AQI
3rd February 2025
83AQI
83AQI
4th February 2025
76AQI
76AQI
5th February 2025
76AQI
76AQI
6th February 2025
72AQI
72AQI
7th February 2025
79AQI
79AQI
8th February 2025
80AQI
80AQI
9th February 2025
75AQI
75AQI
10th February 2025
79AQI
79AQI
11th February 2025
82AQI
82AQI
12th February 2025
82AQI
82AQI
13th February 2025
84AQI
84AQI
14th February 2025
81AQI
81AQI
15th February 2025
93AQI
93AQI
16th February 2025
73AQI
73AQI
17th February 2025
73AQI
73AQI
18th February 2025
64AQI
64AQI
19th February 2025
60AQI
60AQI
20th February 2025
59AQI
59AQI
21st February 2025
62AQI
62AQI
22nd February 2025
57AQI
57AQI
23rd February 2025
58AQI
58AQI
24th February 2025
51AQI
51AQI
25th February 2025
58AQI
58AQI
26th February 2025
53AQI
53AQI
27th February 2025
62AQI
62AQI
28th February 2025
56AQI
56AQI
1st March 2025
62AQI
62AQI
2nd March 2025
57AQI
57AQI
3rd March 2025
62AQI
62AQI
4th March 2025
62AQI
62AQI
5th March 2025
61AQI
61AQI
6th March 2025
68AQI
68AQI
7th March 2025
61AQI
61AQI
8th March 2025
62AQI
62AQI
9th March 2025
67AQI
67AQI
10th March 2025
65AQI
65AQI
11th March 2025
62AQI
62AQI
12th March 2025
60AQI
60AQI
13th March 2025
53AQI
53AQI
14th March 2025
55AQI
55AQI
15th March 2025
62AQI
62AQI
16th March 2025
81AQI
81AQI
17th March 2025
66AQI
66AQI
18th March 2025
64AQI
64AQI
19th March 2025
64AQI
64AQI
20th March 2025
76AQI
76AQI
21st March 2025
79AQI
79AQI
22nd March 2025
86AQI
86AQI
23rd March 2025
83AQI
83AQI
24th March 2025
80AQI
80AQI
25th March 2025
84AQI
84AQI
26th March 2025
80AQI
80AQI
27th March 2025
77AQI
77AQI
28th March 2025
74AQI
74AQI
29th March 2025
80AQI
80AQI
30th March 2025
79AQI
79AQI
31st March 2025
70AQI
70AQI
1st April 2025
66AQI
66AQI
2nd April 2025
58AQI
58AQI
3rd April 2025
47AQI
47AQI
4th April 2025
46AQI
46AQI
5th April 2025
46AQI
46AQI
6th April 2025
49AQI
49AQI
7th April 2025
48AQI
48AQI
8th April 2025
55AQI
55AQI
9th April 2025
56AQI
56AQI
10th April 2025
52AQI
52AQI
11th April 2025
50AQI
50AQI
12th April 2025
41AQI
41AQI
13th April 2025
37AQI
37AQI
14th April 2025
37AQI
37AQI
15th April 2025
44AQI
44AQI
16th April 2025
39AQI
39AQI
17th April 2025
44AQI
44AQI
18th April 2025
33AQI
33AQI
19th April 2025
31AQI
31AQI
20th April 2025
31AQI
31AQI
21st April 2025
35AQI
35AQI
22nd April 2025
38AQI
38AQI
23rd April 2025
49AQI
49AQI
24th April 2025
45AQI
45AQI
25th April 2025
47AQI
47AQI
26th April 2025
39AQI
39AQI
27th April 2025
41AQI
41AQI
28th April 2025
39AQI
39AQI
29th April 2025
36AQI
36AQI
30th April 2025
42AQI
42AQI
1st May 2025
48AQI
48AQI
2nd May 2025
56AQI
56AQI
3rd May 2025
40AQI
40AQI
4th May 2025
41AQI
41AQI
5th May 2025
42AQI
42AQI
6th May 2025
39AQI
39AQI
7th May 2025
37AQI
37AQI
8th May 2025
40AQI
40AQI
9th May 2025
39AQI
39AQI
10th May 2025
38AQI
38AQI
11th May 2025
38AQI
38AQI
12th May 2025
38AQI
38AQI
13th May 2025
35AQI
35AQI
14th May 2025
38AQI
38AQI
15th May 2025
47AQI
47AQI
16th May 2025
49AQI
49AQI
17th May 2025
50AQI
50AQI
18th May 2025
45AQI
45AQI
19th May 2025
49AQI
49AQI
20th May 2025
43AQI
43AQI
21st May 2025
40AQI
40AQI
22nd May 2025
41AQI
41AQI
23rd May 2025
34AQI
34AQI
24th May 2025
32AQI
32AQI
25th May 2025
29AQI
29AQI
26th May 2025
30AQI
30AQI
27th May 2025
33AQI
33AQI
28th May 2025
36AQI
36AQI
29th May 2025
42AQI
42AQI
30th May 2025
50AQI
50AQI
31st May 2025
55AQI
55AQI
1st June 2025
56AQI
56AQI
2nd June 2025
49AQI
49AQI
3rd June 2025
46AQI
46AQI
4th June 2025
40AQI
40AQI
5th June 2025
35AQI
35AQI
6th June 2025
37AQI
37AQI
7th June 2025
33AQI
33AQI
8th June 2025
32AQI
32AQI
9th June 2025
36AQI
36AQI
10th June 2025
41AQI
41AQI
11th June 2025
37AQI
37AQI
12th June 2025
36AQI
36AQI
13th June 2025
38AQI
38AQI
14th June 2025
50AQI
50AQI
15th June 2025
51AQI
51AQI
16th June 2025
49AQI
49AQI
17th June 2025
41AQI
41AQI
18th June 2025
39AQI
39AQI
19th June 2025
38AQI
38AQI
20th June 2025
36AQI
36AQI
21st June 2025
33AQI
33AQI
22nd June 2025
26AQI
26AQI
23rd June 2025
29AQI
29AQI
24th June 2025
30AQI
30AQI
25th June 2025
39AQI
39AQI
26th June 2025
47AQI
47AQI
27th June 2025
48AQI
48AQI
28th June 2025
47AQI
47AQI
29th June 2025
47AQI
47AQI
30th June 2025
45AQI
45AQI
1st July 2025
46AQI
46AQI
2nd July 2025
40AQI
40AQI
3rd July 2025
40AQI
40AQI
4th July 2025
45AQI
45AQI
5th July 2025
45AQI
45AQI
6th July 2025
43AQI
43AQI
7th July 2025
42AQI
42AQI
8th July 2025
43AQI
43AQI
9th July 2025
42AQI
42AQI
10th July 2025
40AQI
40AQI
11th July 2025
39AQI
39AQI
12th July 2025
40AQI
40AQI
13th July 2025
42AQI
42AQI
14th July 2025
41AQI
41AQI
15th July 2025
39AQI
39AQI
16th July 2025
39AQI
39AQI
17th July 2025
40AQI
40AQI
18th July 2025
42AQI
42AQI
19th July 2025
42AQI
42AQI
20th July 2025
44AQI
44AQI
21st July 2025
42AQI
42AQI
22nd July 2025
42AQI
42AQI
23rd July 2025
40AQI
40AQI
24th July 2025
43AQI
43AQI
25th July 2025
46AQI
46AQI
26th July 2025
47AQI
47AQI
27th July 2025
48AQI
48AQI
28th July 2025
49AQI
49AQI
29th July 2025
49AQI
49AQI
30th July 2025
48AQI
48AQI
31st July 2025
50AQI
50AQI
1st August 2025
52AQI
52AQI
2nd August 2025
55AQI
55AQI
3rd August 2025
53AQI
53AQI
4th August 2025
53AQI
53AQI
5th August 2025
52AQI
52AQI
6th August 2025
55AQI
55AQI
7th August 2025
53AQI
53AQI
8th August 2025
49AQI
49AQI
81AQI
72AQI
69AQI
44AQI
41AQI
40AQI
43AQI
53AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202556AQI
31
28
31
25
5
29
2
28
2
31
1
7
114
106
Highest AQI recorded in
January81AQI
Lowest AQI recorded in
June40AQI
202452AQI
1
16
1
1
4
8
18
12
16
15
20
8
2
1
10
3
23
7
2
29
96
101
Highest AQI recorded in
March84AQI
Lowest AQI recorded in
November44AQI
202365AQI
2
24
5
7
13
7
3
18
3
16
10
1
20
11
20
1
2
1
9
22
63
106
25
1
Highest AQI recorded in
April95AQI
Lowest AQI recorded in
June25AQI
202254AQI
2
10
5
11
19
21
26
Highest AQI recorded in
October83AQI
Lowest AQI recorded in
November44AQI
Most & Least Polluted Years Over the Last 4 Years
Most Polluted Year Recorded
2023(Avg.)
65AQILeast Polluted Year Recorded
2024(Avg.)
52AQIKo Samui's annual 2025 AQI (56) shows an average percentage change of -1.05% (improved AQI) compared to previous years: 2022 (54), 2023 (65), 2024 (52).
