Chiang Saen district, Mae Sai, Chiang Rai, 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
Chiang Saen district, Mae Sai, Chiang Rai, Thailand
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
1st Aug 2025
57AQILowest AQI recorded on
1st Aug 2024
29AQISame Day Analysis (6th August ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 1st highest AQI at 50 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 6th Aug - 7th Aug 2025
Chiang Saen district, Mae Sai, Chiang Rai, Thailand
AQI
Day
Night
.
5 AM6th Aug 2025
7 PM
4 AM7th Aug 2025
Day time
Avg. Highest Time
5AM6th Aug
55AQI
Avg. Lowest Time
3PM6th Aug
30AQI
Night time
Avg. Highest Time
1AM7th Aug
54AQI
Avg. Lowest Time
7PM6th Aug
45AQI
In the last 24 hours,
Chiang Saen district's AQI reached its highest point of 55 at 5 AM during the Day, while the lowest point, 30, was recorded at 3 PM during the Day between 6th Aug and 7th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Chiang Saen district, Mae Sai, Chiang Rai, Thailand
JulAug
08th - 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 - 05th05th - 06th06th - 07th07th
Day
Night
8th Jul 2025495 AMAQI
8th Jul 2025486 AMAQI
8th Jul 2025297 AMAQI
8th Jul 2025308 AMAQI
8th Jul 2025299 AMAQI
8th Jul 20254010 AMAQI
8th Jul 20253911 AMAQI
8th Jul 20253512 PMAQI
8th Jul 2025421 PMAQI
8th Jul 2025402 PMAQI
8th Jul 2025393 PMAQI
8th Jul 2025484 PMAQI
8th Jul 2025445 PMAQI
8th Jul 2025426 PMAQI
8th Jul 2025487 PMAQI
8th Jul 2025538 PMAQI
8th Jul 2025529 PMAQI
8th Jul 20255610 PMAQI
8th Jul 20255711 PMAQI
9th Jul 20255612 AMAQI
9th Jul 2025541 AMAQI
9th Jul 2025542 AMAQI
9th Jul 2025523 AMAQI
9th Jul 2025514 AMAQI
25°C22/31°C
9th Jul 2025485 AMAQI
9th Jul 2025506 AMAQI
9th Jul 2025537 AMAQI
9th Jul 2025548 AMAQI
9th Jul 2025609 AMAQI
9th Jul 20254510 AMAQI
9th Jul 20255511 AMAQI
9th Jul 20254612 PMAQI
9th Jul 2025441 PMAQI
9th Jul 2025502 PMAQI
9th Jul 2025463 PMAQI
9th Jul 2025514 PMAQI
9th Jul 2025525 PMAQI
9th Jul 2025526 PMAQI
9th Jul 2025547 PMAQI
9th Jul 2025548 PMAQI
9th Jul 2025529 PMAQI
9th Jul 20255410 PMAQI
9th Jul 20255211 PMAQI
10th Jul 20255412 AMAQI
10th Jul 2025561 AMAQI
10th Jul 2025542 AMAQI
10th Jul 2025543 AMAQI
10th Jul 2025534 AMAQI
25°C20/29°C
10th Jul 2025525 AMAQI
10th Jul 2025526 AMAQI
10th Jul 2025417 AMAQI
10th Jul 2025418 AMAQI
10th Jul 2025529 AMAQI
10th Jul 20253010 AMAQI
10th Jul 20254811 AMAQI
10th Jul 20254812 PMAQI
10th Jul 2025521 PMAQI
10th Jul 2025532 PMAQI
10th Jul 2025523 PMAQI
10th Jul 2025514 PMAQI
10th Jul 2025535 PMAQI
10th Jul 2025566 PMAQI
10th Jul 2025567 PMAQI
10th Jul 2025548 PMAQI
10th Jul 2025559 PMAQI
10th Jul 20255510 PMAQI
10th Jul 20255411 PMAQI
11th Jul 20254812 AMAQI
11th Jul 2025471 AMAQI
11th Jul 2025542 AMAQI
11th Jul 2025543 AMAQI
11th Jul 2025554 AMAQI
24°C20/29°C
11th Jul 2025545 AMAQI
11th Jul 2025556 AMAQI
11th Jul 2025387 AMAQI
11th Jul 2025458 AMAQI
11th Jul 2025429 AMAQI
11th Jul 20254310 AMAQI
11th Jul 20255211 AMAQI
11th Jul 20255012 PMAQI
11th Jul 2025451 PMAQI
11th Jul 2025482 PMAQI
11th Jul 2025503 PMAQI
11th Jul 2025514 PMAQI
11th Jul 2025525 PMAQI
11th Jul 2025566 PMAQI
11th Jul 2025567 PMAQI
11th Jul 2025568 PMAQI
11th Jul 2025569 PMAQI
11th Jul 20255610 PMAQI
11th Jul 20255511 PMAQI
12th Jul 20255312 AMAQI
12th Jul 2025541 AMAQI
12th Jul 2025542 AMAQI
12th Jul 2025533 AMAQI
12th Jul 2025544 AMAQI
23°C20/26°C
12th Jul 2025535 AMAQI
12th Jul 2025546 AMAQI
12th Jul 2025437 AMAQI
12th Jul 2025318 AMAQI
12th Jul 2025389 AMAQI
12th Jul 20253210 AMAQI
12th Jul 20253611 AMAQI
12th Jul 20254112 PMAQI
12th Jul 2025361 PMAQI
12th Jul 2025372 PMAQI
12th Jul 2025363 PMAQI
12th Jul 2025414 PMAQI
12th Jul 2025395 PMAQI
12th Jul 2025446 PMAQI
12th Jul 2025487 PMAQI
12th Jul 2025528 PMAQI
12th Jul 2025359 PMAQI
12th Jul 20254310 PMAQI
12th Jul 20253911 PMAQI
13th Jul 20254512 AMAQI
13th Jul 2025551 AMAQI
13th Jul 2025542 AMAQI
13th Jul 2025533 AMAQI
13th Jul 2025534 AMAQI
24°C20/29°C
13th Jul 2025525 AMAQI
13th Jul 2025526 AMAQI
13th Jul 2025407 AMAQI
13th Jul 2025458 AMAQI
13th Jul 2025349 AMAQI
13th Jul 20255110 AMAQI
13th Jul 20254011 AMAQI
13th Jul 20254212 PMAQI
13th Jul 2025351 PMAQI
13th Jul 2025302 PMAQI
13th Jul 2025343 PMAQI
13th Jul 2025464 PMAQI
13th Jul 2025495 PMAQI
13th Jul 2025446 PMAQI
13th Jul 2025507 PMAQI
13th Jul 2025518 PMAQI
13th Jul 2025529 PMAQI
13th Jul 20255310 PMAQI
13th Jul 20255311 PMAQI
14th Jul 20255412 AMAQI
14th Jul 2025551 AMAQI
14th Jul 2025512 AMAQI
14th Jul 2025493 AMAQI
14th Jul 2025514 AMAQI
24°C20/30°C
14th Jul 2025495 AMAQI
14th Jul 2025506 AMAQI
14th Jul 2025357 AMAQI
14th Jul 2025358 AMAQI
14th Jul 2025269 AMAQI
14th Jul 20252810 AMAQI
14th Jul 20253911 AMAQI
14th Jul 20253612 PMAQI
14th Jul 2025411 PMAQI
14th Jul 2025442 PMAQI
14th Jul 2025373 PMAQI
14th Jul 2025384 PMAQI
14th Jul 2025475 PMAQI
14th Jul 2025406 PMAQI
14th Jul 2025517 PMAQI
14th Jul 2025508 PMAQI
14th Jul 2025519 PMAQI
14th Jul 20255110 PMAQI
14th Jul 20255111 PMAQI
15th Jul 20254612 AMAQI
15th Jul 2025501 AMAQI
15th Jul 2025522 AMAQI
15th Jul 2025523 AMAQI
15th Jul 2025524 AMAQI
24°C21/30°C
15th Jul 2025525 AMAQI
15th Jul 2025526 AMAQI
15th Jul 2025327 AMAQI
15th Jul 2025388 AMAQI
15th Jul 2025299 AMAQI
15th Jul 20253410 AMAQI
15th Jul 20254611 AMAQI
15th Jul 20254112 PMAQI
15th Jul 2025431 PMAQI
15th Jul 2025422 PMAQI
15th Jul 2025413 PMAQI
15th Jul 2025404 PMAQI
15th Jul 2025425 PMAQI
15th Jul 2025486 PMAQI
15th Jul 2025427 PMAQI
15th Jul 2025508 PMAQI
15th Jul 2025539 PMAQI
15th Jul 20255110 PMAQI
15th Jul 20254911 PMAQI
16th Jul 20255212 AMAQI
16th Jul 2025511 AMAQI
16th Jul 2025522 AMAQI
16th Jul 2025513 AMAQI
16th Jul 2025504 AMAQI
23°C21/26°C
16th Jul 2025485 AMAQI
16th Jul 2025456 AMAQI
16th Jul 2025427 AMAQI
16th Jul 2025428 AMAQI
16th Jul 2025429 AMAQI
16th Jul 20254810 AMAQI
16th Jul 20254811 AMAQI
16th Jul 20253812 PMAQI
16th Jul 2025431 PMAQI
16th Jul 2025452 PMAQI
16th Jul 2025553 PMAQI
16th Jul 2025554 PMAQI
16th Jul 2025465 PMAQI
16th Jul 2025446 PMAQI
16th Jul 2025457 PMAQI
16th Jul 2025488 PMAQI
16th Jul 2025489 PMAQI
16th Jul 20254810 PMAQI
16th Jul 20254511 PMAQI
17th Jul 20255212 AMAQI
17th Jul 2025501 AMAQI
17th Jul 2025502 AMAQI
17th Jul 2025503 AMAQI
17th Jul 2025494 AMAQI
23°C21/26°C
17th Jul 2025505 AMAQI
17th Jul 2025506 AMAQI
17th Jul 2025547 AMAQI
17th Jul 2025508 AMAQI
17th Jul 2025549 AMAQI
17th Jul 20254810 AMAQI
17th Jul 20254111 AMAQI
17th Jul 20254412 PMAQI
17th Jul 2025431 PMAQI
17th Jul 2025422 PMAQI
17th Jul 2025483 PMAQI
17th Jul 2025454 PMAQI
17th Jul 2025505 PMAQI
17th Jul 2025426 PMAQI
17th Jul 2025497 PMAQI
17th Jul 2025468 PMAQI
17th Jul 2025509 PMAQI
17th Jul 20255210 PMAQI
17th Jul 20255111 PMAQI
18th Jul 20254812 AMAQI
18th Jul 2025481 AMAQI
18th Jul 2025502 AMAQI
18th Jul 2025503 AMAQI
18th Jul 2025504 AMAQI
22°C21/24°C
18th Jul 2025505 AMAQI
18th Jul 2025506 AMAQI
18th Jul 2025427 AMAQI
18th Jul 2025388 AMAQI
18th Jul 2025369 AMAQI
18th Jul 20253310 AMAQI
18th Jul 20254311 AMAQI
18th Jul 20254612 PMAQI
18th Jul 2025371 PMAQI
18th Jul 2025392 PMAQI
18th Jul 2025293 PMAQI
18th Jul 2025344 PMAQI
18th Jul 2025425 PMAQI
18th Jul 2025406 PMAQI
18th Jul 2025517 PMAQI
18th Jul 2025508 PMAQI
18th Jul 2025509 PMAQI
18th Jul 20254810 PMAQI
18th Jul 20255111 PMAQI
19th Jul 20255012 AMAQI
19th Jul 2025501 AMAQI
19th Jul 2025522 AMAQI
19th Jul 2025503 AMAQI
19th Jul 2025514 AMAQI
23°C20/28°C
19th Jul 2025525 AMAQI
19th Jul 2025516 AMAQI
19th Jul 2025397 AMAQI
19th Jul 2025418 AMAQI
19th Jul 2025469 AMAQI
19th Jul 20254010 AMAQI
19th Jul 20254211 AMAQI
19th Jul 20253812 PMAQI
19th Jul 2025331 PMAQI
19th Jul 2025332 PMAQI
19th Jul 2025323 PMAQI
19th Jul 2025304 PMAQI
19th Jul 2025345 PMAQI
19th Jul 2025396 PMAQI
19th Jul 2025477 PMAQI
19th Jul 2025468 PMAQI
19th Jul 2025529 PMAQI
19th Jul 20255010 PMAQI
19th Jul 20254411 PMAQI
20th Jul 20255212 AMAQI
20th Jul 2025511 AMAQI
20th Jul 2025502 AMAQI
20th Jul 2025503 AMAQI
20th Jul 2025504 AMAQI
24°C19/31°C
20th Jul 2025505 AMAQI
20th Jul 2025486 AMAQI
20th Jul 2025507 AMAQI
20th Jul 2025458 AMAQI
20th Jul 2025439 AMAQI
20th Jul 20254410 AMAQI
20th Jul 20254011 AMAQI
20th Jul 20254012 PMAQI
20th Jul 2025481 PMAQI
20th Jul 2025452 PMAQI
20th Jul 2025423 PMAQI
20th Jul 2025334 PMAQI
20th Jul 2025345 PMAQI
20th Jul 2025376 PMAQI
20th Jul 2025457 PMAQI
20th Jul 2025478 PMAQI
20th Jul 2025519 PMAQI
20th Jul 20254310 PMAQI
20th Jul 20255111 PMAQI
21st Jul 20255112 AMAQI
21st Jul 2025501 AMAQI
21st Jul 2025502 AMAQI
21st Jul 2025523 AMAQI
21st Jul 2025514 AMAQI
25°C20/30°C
21st Jul 2025525 AMAQI
21st Jul 2025526 AMAQI
21st Jul 2025397 AMAQI
21st Jul 2025378 AMAQI
21st Jul 2025459 AMAQI
21st Jul 20254610 AMAQI
21st Jul 20254511 AMAQI
21st Jul 20253812 PMAQI
21st Jul 2025451 PMAQI
21st Jul 2025492 PMAQI
21st Jul 2025423 PMAQI
21st Jul 2025414 PMAQI
21st Jul 2025445 PMAQI
21st Jul 2025446 PMAQI
21st Jul 2025537 PMAQI
21st Jul 2025518 PMAQI
21st Jul 2025519 PMAQI
21st Jul 20254910 PMAQI
21st Jul 20254611 PMAQI
22nd Jul 20255312 AMAQI
22nd Jul 2025521 AMAQI
22nd Jul 2025522 AMAQI
22nd Jul 2025523 AMAQI
22nd Jul 2025524 AMAQI
24°C20/30°C
22nd Jul 2025525 AMAQI
22nd Jul 2025536 AMAQI
22nd Jul 2025507 AMAQI
22nd Jul 2025468 AMAQI
22nd Jul 2025529 AMAQI
22nd Jul 20255410 AMAQI
22nd Jul 20255111 AMAQI
22nd Jul 20254912 PMAQI
22nd Jul 2025411 PMAQI
22nd Jul 2025452 PMAQI
22nd Jul 2025463 PMAQI
22nd Jul 2025414 PMAQI
22nd Jul 2025355 PMAQI
22nd Jul 2025406 PMAQI
22nd Jul 2025477 PMAQI
22nd Jul 2025468 PMAQI
22nd Jul 2025469 PMAQI
22nd Jul 20254710 PMAQI
22nd Jul 20254811 PMAQI
23rd Jul 20255012 AMAQI
23rd Jul 2025511 AMAQI
23rd Jul 2025512 AMAQI
23rd Jul 2025523 AMAQI
23rd Jul 2025524 AMAQI
23°C21/24°C
23rd Jul 2025515 AMAQI
23rd Jul 2025516 AMAQI
23rd Jul 2025297 AMAQI
23rd Jul 2025238 AMAQI
23rd Jul 2025299 AMAQI
23rd Jul 20252910 AMAQI
23rd Jul 20254311 AMAQI
23rd Jul 20254012 PMAQI
23rd Jul 2025331 PMAQI
23rd Jul 2025342 PMAQI
23rd Jul 2025383 PMAQI
23rd Jul 2025354 PMAQI
23rd Jul 2025445 PMAQI
23rd Jul 2025456 PMAQI
23rd Jul 2025437 PMAQI
23rd Jul 2025418 PMAQI
23rd Jul 2025409 PMAQI
23rd Jul 20253810 PMAQI
23rd Jul 20254311 PMAQI
24th Jul 20254212 AMAQI
24th Jul 2025451 AMAQI
24th Jul 2025492 AMAQI
24th Jul 2025473 AMAQI
24th Jul 2025494 AMAQI
22°C21/24°C
24th Jul 2025485 AMAQI
24th Jul 2025486 AMAQI
24th Jul 2025357 AMAQI
24th Jul 2025308 AMAQI
24th Jul 2025289 AMAQI
24th Jul 20252810 AMAQI
24th Jul 20252811 AMAQI
24th Jul 20252612 PMAQI
24th Jul 2025291 PMAQI
24th Jul 2025362 PMAQI
24th Jul 2025303 PMAQI
24th Jul 2025264 PMAQI
24th Jul 2025325 PMAQI
24th Jul 2025366 PMAQI
24th Jul 2025447 PMAQI
24th Jul 2025398 PMAQI
24th Jul 2025409 PMAQI
24th Jul 20254310 PMAQI
24th Jul 20254111 PMAQI
25th Jul 20254212 AMAQI
25th Jul 2025441 AMAQI
25th Jul 2025422 AMAQI
25th Jul 2025413 AMAQI
25th Jul 2025404 AMAQI
22°C20/25°C
25th Jul 2025425 AMAQI
25th Jul 2025406 AMAQI
25th Jul 2025377 AMAQI
25th Jul 2025308 AMAQI
25th Jul 2025399 AMAQI
25th Jul 20253110 AMAQI
25th Jul 20253711 AMAQI
25th Jul 20253212 PMAQI
25th Jul 2025481 PMAQI
25th Jul 2025302 PMAQI
25th Jul 2025303 PMAQI
25th Jul 2025264 PMAQI
25th Jul 2025285 PMAQI
25th Jul 2025346 PMAQI
25th Jul 2025417 PMAQI
25th Jul 2025438 PMAQI
25th Jul 2025449 PMAQI
25th Jul 20254410 PMAQI
25th Jul 20254411 PMAQI
26th Jul 20254512 AMAQI
26th Jul 2025441 AMAQI
26th Jul 2025452 AMAQI
26th Jul 2025443 AMAQI
26th Jul 2025474 AMAQI
23°C21/25°C
26th Jul 2025465 AMAQI
26th Jul 2025456 AMAQI
26th Jul 2025387 AMAQI
26th Jul 2025328 AMAQI
26th Jul 2025319 AMAQI
26th Jul 20253510 AMAQI
26th Jul 20253611 AMAQI
26th Jul 20254312 PMAQI
26th Jul 2025381 PMAQI
26th Jul 2025342 PMAQI
26th Jul 2025283 PMAQI
26th Jul 2025364 PMAQI
26th Jul 2025385 PMAQI
26th Jul 2025396 PMAQI
26th Jul 2025457 PMAQI
26th Jul 2025448 PMAQI
26th Jul 2025469 PMAQI
26th Jul 20254810 PMAQI
26th Jul 20254711 PMAQI
27th Jul 20254712 AMAQI
27th Jul 2025491 AMAQI
27th Jul 2025482 AMAQI
27th Jul 2025453 AMAQI
27th Jul 2025444 AMAQI
23°C20/26°C
27th Jul 2025445 AMAQI
27th Jul 2025446 AMAQI
27th Jul 2025377 AMAQI
27th Jul 2025328 AMAQI
27th Jul 2025419 AMAQI
27th Jul 20253810 AMAQI
27th Jul 20253311 AMAQI
27th Jul 20253412 PMAQI
27th Jul 2025301 PMAQI
27th Jul 2025282 PMAQI
27th Jul 2025283 PMAQI
27th Jul 2025304 PMAQI
27th Jul 2025305 PMAQI
27th Jul 2025326 PMAQI
27th Jul 2025407 PMAQI
27th Jul 2025408 PMAQI
27th Jul 2025419 PMAQI
27th Jul 20254210 PMAQI
27th Jul 20253911 PMAQI
28th Jul 20254012 AMAQI
28th Jul 2025441 AMAQI
28th Jul 2025422 AMAQI
28th Jul 2025423 AMAQI
28th Jul 2025444 AMAQI
23°C21/24°C
28th Jul 2025445 AMAQI
28th Jul 2025446 AMAQI
28th Jul 2025297 AMAQI
28th Jul 2025338 AMAQI
28th Jul 2025309 AMAQI
28th Jul 20253010 AMAQI
28th Jul 20253411 AMAQI
28th Jul 20253412 PMAQI
28th Jul 2025361 PMAQI
28th Jul 2025322 PMAQI
28th Jul 2025373 PMAQI
28th Jul 2025384 PMAQI
28th Jul 2025385 PMAQI
28th Jul 2025436 PMAQI
28th Jul 2025417 PMAQI
28th Jul 2025478 PMAQI
28th Jul 2025469 PMAQI
28th Jul 20254010 PMAQI
28th Jul 20254411 PMAQI
29th Jul 20254012 AMAQI
29th Jul 2025441 AMAQI
29th Jul 2025422 AMAQI
29th Jul 2025423 AMAQI
29th Jul 2025424 AMAQI
23°C22/23°C
29th Jul 2025425 AMAQI
29th Jul 2025426 AMAQI
29th Jul 2025377 AMAQI
29th Jul 2025318 AMAQI
29th Jul 2025279 AMAQI
29th Jul 20254710 AMAQI
29th Jul 20253411 AMAQI
29th Jul 20253512 PMAQI
29th Jul 2025381 PMAQI
29th Jul 2025342 PMAQI
29th Jul 2025333 PMAQI
29th Jul 2025344 PMAQI
29th Jul 2025385 PMAQI
29th Jul 2025436 PMAQI
29th Jul 2025487 PMAQI
29th Jul 2025478 PMAQI
29th Jul 2025469 PMAQI
29th Jul 20254510 PMAQI
29th Jul 20254411 PMAQI
30th Jul 20254412 AMAQI
30th Jul 2025461 AMAQI
30th Jul 2025442 AMAQI
30th Jul 2025463 AMAQI
30th Jul 2025464 AMAQI
24°C20/29°C
30th Jul 2025505 AMAQI
30th Jul 2025466 AMAQI
30th Jul 2025407 AMAQI
30th Jul 2025348 AMAQI
30th Jul 2025359 AMAQI
30th Jul 20253210 AMAQI
30th Jul 20253611 AMAQI
30th Jul 20253212 PMAQI
30th Jul 2025361 PMAQI
30th Jul 2025422 PMAQI
30th Jul 2025363 PMAQI
30th Jul 2025464 PMAQI
30th Jul 2025465 PMAQI
30th Jul 2025416 PMAQI
30th Jul 2025477 PMAQI
30th Jul 2025508 PMAQI
30th Jul 2025519 PMAQI
30th Jul 20254910 PMAQI
30th Jul 20255211 PMAQI
31st Jul 20255012 AMAQI
31st Jul 2025511 AMAQI
31st Jul 2025522 AMAQI
31st Jul 2025523 AMAQI
31st Jul 2025524 AMAQI
26°C22/32°C
31st Jul 2025525 AMAQI
31st Jul 2025526 AMAQI
31st Jul 2025527 AMAQI
31st Jul 2025528 AMAQI
31st Jul 2025539 AMAQI
31st Jul 20255610 AMAQI
31st Jul 20255511 AMAQI
31st Jul 20255912 PMAQI
31st Jul 2025541 PMAQI
31st Jul 2025542 PMAQI
31st Jul 2025533 PMAQI
31st Jul 2025544 PMAQI
31st Jul 2025565 PMAQI
31st Jul 2025516 PMAQI
31st Jul 2025567 PMAQI
31st Jul 2025588 PMAQI
31st Jul 2025639 PMAQI
31st Jul 20256010 PMAQI
31st Jul 20256011 PMAQI
1st Aug 20255612 AMAQI
1st Aug 2025581 AMAQI
1st Aug 2025552 AMAQI
1st Aug 2025553 AMAQI
1st Aug 2025544 AMAQI
25°C20/32°C
1st Aug 2025545 AMAQI
1st Aug 2025546 AMAQI
1st Aug 2025617 AMAQI
1st Aug 2025568 AMAQI
1st Aug 2025569 AMAQI
1st Aug 20256110 AMAQI
1st Aug 20255711 AMAQI
1st Aug 20256712 PMAQI
1st Aug 2025631 PMAQI
1st Aug 2025562 PMAQI
1st Aug 2025513 PMAQI
1st Aug 2025524 PMAQI
1st Aug 2025525 PMAQI
1st Aug 2025606 PMAQI
1st Aug 2025597 PMAQI
1st Aug 2025578 PMAQI
1st Aug 2025569 PMAQI
1st Aug 20255710 PMAQI
1st Aug 20256011 PMAQI
2nd Aug 20255812 AMAQI
2nd Aug 2025561 AMAQI
2nd Aug 2025562 AMAQI
2nd Aug 2025563 AMAQI
2nd Aug 2025554 AMAQI
24°C21/30°C
2nd Aug 2025565 AMAQI
2nd Aug 2025566 AMAQI
2nd Aug 2025507 AMAQI
2nd Aug 2025518 AMAQI
2nd Aug 2025539 AMAQI
2nd Aug 20254910 AMAQI
2nd Aug 20255611 AMAQI
2nd Aug 20255312 PMAQI
2nd Aug 2025441 PMAQI
2nd Aug 2025462 PMAQI
2nd Aug 2025483 PMAQI
2nd Aug 2025434 PMAQI
2nd Aug 2025495 PMAQI
2nd Aug 2025476 PMAQI
2nd Aug 2025537 PMAQI
2nd Aug 2025548 PMAQI
2nd Aug 2025569 PMAQI
2nd Aug 20255310 PMAQI
2nd Aug 20255211 PMAQI
3rd Aug 20255612 AMAQI
3rd Aug 2025561 AMAQI
3rd Aug 2025552 AMAQI
3rd Aug 2025543 AMAQI
3rd Aug 2025554 AMAQI
25°C20/32°C
3rd Aug 2025565 AMAQI
3rd Aug 2025556 AMAQI
3rd Aug 2025537 AMAQI
3rd Aug 2025558 AMAQI
3rd Aug 2025529 AMAQI
3rd Aug 20255910 AMAQI
3rd Aug 20255811 AMAQI
3rd Aug 20254912 PMAQI
3rd Aug 2025541 PMAQI
3rd Aug 2025482 PMAQI
3rd Aug 2025473 PMAQI
3rd Aug 2025464 PMAQI
3rd Aug 2025475 PMAQI
3rd Aug 2025526 PMAQI
3rd Aug 2025557 PMAQI
3rd Aug 2025588 PMAQI
3rd Aug 2025579 PMAQI
3rd Aug 20255410 PMAQI
3rd Aug 20255611 PMAQI
4th Aug 20255612 AMAQI
4th Aug 2025551 AMAQI
4th Aug 2025552 AMAQI
4th Aug 2025553 AMAQI
4th Aug 2025554 AMAQI
25°C20/32°C
4th Aug 2025565 AMAQI
4th Aug 2025546 AMAQI
4th Aug 2025517 AMAQI
4th Aug 2025568 AMAQI
4th Aug 2025549 AMAQI
4th Aug 20255710 AMAQI
4th Aug 20255611 AMAQI
4th Aug 20255512 PMAQI
4th Aug 2025611 PMAQI
4th Aug 2025502 PMAQI
4th Aug 2025623 PMAQI
4th Aug 2025564 PMAQI
4th Aug 2025595 PMAQI
4th Aug 2025576 PMAQI
4th Aug 2025587 PMAQI
4th Aug 2025588 PMAQI
4th Aug 2025599 PMAQI
4th Aug 20255910 PMAQI
4th Aug 20255611 PMAQI
5th Aug 20255412 AMAQI
5th Aug 2025551 AMAQI
5th Aug 2025562 AMAQI
5th Aug 2025563 AMAQI
5th Aug 2025564 AMAQI
22°C20/24°C
5th Aug 2025565 AMAQI
5th Aug 2025566 AMAQI
5th Aug 2025567 AMAQI
5th Aug 2025598 AMAQI
5th Aug 2025559 AMAQI
5th Aug 20256210 AMAQI
5th Aug 20254611 AMAQI
5th Aug 20255312 PMAQI
5th Aug 2025441 PMAQI
5th Aug 2025512 PMAQI
5th Aug 2025523 PMAQI
5th Aug 2025484 PMAQI
5th Aug 2025445 PMAQI
5th Aug 2025536 PMAQI
5th Aug 2025567 PMAQI
5th Aug 2025568 PMAQI
5th Aug 2025549 PMAQI
5th Aug 20255210 PMAQI
5th Aug 20255411 PMAQI
6th Aug 20255412 AMAQI
6th Aug 2025561 AMAQI
6th Aug 2025552 AMAQI
6th Aug 2025553 AMAQI
6th Aug 2025554 AMAQI
24°C21/29°C
6th Aug 2025555 AMAQI
6th Aug 2025546 AMAQI
6th Aug 2025387 AMAQI
6th Aug 2025428 AMAQI
6th Aug 2025429 AMAQI
6th Aug 20255410 AMAQI
6th Aug 20254511 AMAQI
6th Aug 20254512 PMAQI
6th Aug 2025351 PMAQI
6th Aug 2025372 PMAQI
6th Aug 2025303 PMAQI
6th Aug 2025364 PMAQI
6th Aug 2025345 PMAQI
6th Aug 2025466 PMAQI
6th Aug 2025457 PMAQI
6th Aug 2025468 PMAQI
6th Aug 2025479 PMAQI
6th Aug 20255110 PMAQI
6th Aug 20254711 PMAQI
7th Aug 20255212 AMAQI
7th Aug 2025541 AMAQI
7th Aug 2025542 AMAQI
7th Aug 2025523 AMAQI
7th Aug 2025544 AMAQI
23°C22/26°C
7th Aug 2025545 AMAQI
5 AM7th Aug 2025546 AMAQI
7th Aug 2025367 AMAQI
7th Aug 2025478 AMAQI
7th Aug 2025589 AMAQI
7th Aug 20255610 AMAQI
7th Aug 20255011 AMAQI
7th Aug 20253412 PMAQI
12 PM7th Aug 2025361 PMAQI
7th Aug 2025292 PMAQI
7th Aug 2025273 PMAQI
7th Aug 2025294 PMAQI
7th Aug 2025275 PMAQI
7 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 6 AM
51AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
7 AM - 6 PM
42AQI
12 hours / Day
360 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 6 AM (Avg. 51), while the lowest AQI was between 7 AM to 6 PM (Avg. 42).
Night time
Avg. Highest Time
12 AM - 11 PM
50AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM - 11 PM
50AQI
9 hours / Day
270 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 50), while the lowest AQI was between 12 AM to 11 PM (Avg. 50).
2025 Days Vs Air Quality
Chiang Saen district, Mae Sai, Chiang Rai, Thailand
2025
29%
64
36%
78
30%
65
5%
11
Total number of days with different AQI categories in last 219 days in 2025 (146 days remaining)
Good
64 DaysModerate
78 DaysPoor
65 DaysUnhealthy
11 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 29%
Health Risk Level:
Very high
In 2025, 29% of 219 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
Chiang Saen district, Mae Sai, Chiang Rai, 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
88AQI
88AQI
2nd January 2025
84AQI
84AQI
3rd January 2025
77AQI
77AQI
4th January 2025
83AQI
83AQI
5th January 2025
94AQI
94AQI
6th January 2025
109AQI
109AQI
7th January 2025
112AQI
112AQI
8th January 2025
110AQI
110AQI
9th January 2025
118AQI
118AQI
10th January 2025
109AQI
109AQI
11th January 2025
101AQI
101AQI
12th January 2025
91AQI
91AQI
13th January 2025
91AQI
91AQI
14th January 2025
97AQI
97AQI
15th January 2025
106AQI
106AQI
16th January 2025
97AQI
97AQI
17th January 2025
93AQI
93AQI
18th January 2025
97AQI
97AQI
19th January 2025
100AQI
100AQI
20th January 2025
105AQI
105AQI
21st January 2025
117AQI
117AQI
22nd January 2025
122AQI
122AQI
23rd January 2025
121AQI
121AQI
24th January 2025
112AQI
112AQI
25th January 2025
103AQI
103AQI
26th January 2025
105AQI
105AQI
27th January 2025
76AQI
76AQI
28th January 2025
82AQI
82AQI
29th January 2025
96AQI
96AQI
30th January 2025
110AQI
110AQI
31st January 2025
103AQI
103AQI
1st February 2025
101AQI
101AQI
2nd February 2025
105AQI
105AQI
3rd February 2025
109AQI
109AQI
4th February 2025
115AQI
115AQI
5th February 2025
114AQI
114AQI
6th February 2025
112AQI
112AQI
7th February 2025
109AQI
109AQI
8th February 2025
106AQI
106AQI
9th February 2025
89AQI
89AQI
10th February 2025
102AQI
102AQI
11th February 2025
108AQI
108AQI
12th February 2025
109AQI
109AQI
13th February 2025
108AQI
108AQI
14th February 2025
107AQI
107AQI
15th February 2025
104AQI
104AQI
16th February 2025
130AQI
130AQI
17th February 2025
127AQI
127AQI
18th February 2025
128AQI
128AQI
19th February 2025
116AQI
116AQI
20th February 2025
112AQI
112AQI
21st February 2025
110AQI
110AQI
22nd February 2025
103AQI
103AQI
23rd February 2025
98AQI
98AQI
24th February 2025
78AQI
78AQI
25th February 2025
67AQI
67AQI
26th February 2025
59AQI
59AQI
27th February 2025
65AQI
65AQI
28th February 2025
72AQI
72AQI
1st March 2025
75AQI
75AQI
2nd March 2025
82AQI
82AQI
3rd March 2025
97AQI
97AQI
4th March 2025
112AQI
112AQI
5th March 2025
131AQI
131AQI
6th March 2025
128AQI
128AQI
7th March 2025
137AQI
137AQI
8th March 2025
112AQI
112AQI
9th March 2025
107AQI
107AQI
10th March 2025
99AQI
99AQI
11th March 2025
108AQI
108AQI
12th March 2025
118AQI
118AQI
13th March 2025
103AQI
103AQI
14th March 2025
110AQI
110AQI
15th March 2025
135AQI
135AQI
16th March 2025
130AQI
130AQI
17th March 2025
144AQI
144AQI
18th March 2025
133AQI
133AQI
19th March 2025
88AQI
88AQI
20th March 2025
94AQI
94AQI
21st March 2025
108AQI
108AQI
22nd March 2025
134AQI
134AQI
23rd March 2025
144AQI
144AQI
24th March 2025
152AQI
152AQI
25th March 2025
157AQI
157AQI
26th March 2025
158AQI
158AQI
27th March 2025
158AQI
158AQI
28th March 2025
164AQI
164AQI
29th March 2025
163AQI
163AQI
30th March 2025
165AQI
165AQI
31st March 2025
160AQI
160AQI
1st April 2025
152AQI
152AQI
2nd April 2025
151AQI
151AQI
3rd April 2025
149AQI
149AQI
4th April 2025
151AQI
151AQI
5th April 2025
148AQI
148AQI
6th April 2025
140AQI
140AQI
7th April 2025
113AQI
113AQI
8th April 2025
108AQI
108AQI
9th April 2025
129AQI
129AQI
10th April 2025
134AQI
134AQI
11th April 2025
131AQI
131AQI
12th April 2025
98AQI
98AQI
13th April 2025
69AQI
69AQI
14th April 2025
57AQI
57AQI
15th April 2025
57AQI
57AQI
16th April 2025
54AQI
54AQI
17th April 2025
54AQI
54AQI
18th April 2025
54AQI
54AQI
19th April 2025
58AQI
58AQI
20th April 2025
60AQI
60AQI
21st April 2025
66AQI
66AQI
22nd April 2025
82AQI
82AQI
23rd April 2025
89AQI
89AQI
24th April 2025
100AQI
100AQI
25th April 2025
109AQI
109AQI
26th April 2025
110AQI
110AQI
27th April 2025
105AQI
105AQI
28th April 2025
78AQI
78AQI
29th April 2025
72AQI
72AQI
30th April 2025
67AQI
67AQI
1st May 2025
66AQI
66AQI
2nd May 2025
66AQI
66AQI
3rd May 2025
64AQI
64AQI
4th May 2025
61AQI
61AQI
5th May 2025
70AQI
70AQI
6th May 2025
77AQI
77AQI
7th May 2025
93AQI
93AQI
8th May 2025
92AQI
92AQI
9th May 2025
80AQI
80AQI
10th May 2025
96AQI
96AQI
11th May 2025
93AQI
93AQI
12th May 2025
54AQI
54AQI
13th May 2025
64AQI
64AQI
14th May 2025
65AQI
65AQI
15th May 2025
48AQI
48AQI
16th May 2025
46AQI
46AQI
17th May 2025
46AQI
46AQI
18th May 2025
36AQI
36AQI
19th May 2025
38AQI
38AQI
20th May 2025
45AQI
45AQI
21st May 2025
54AQI
54AQI
22nd May 2025
54AQI
54AQI
23rd May 2025
59AQI
59AQI
24th May 2025
40AQI
40AQI
25th May 2025
34AQI
34AQI
26th May 2025
34AQI
34AQI
27th May 2025
39AQI
39AQI
28th May 2025
34AQI
34AQI
29th May 2025
39AQI
39AQI
30th May 2025
38AQI
38AQI
31st May 2025
34AQI
34AQI
1st June 2025
38AQI
38AQI
2nd June 2025
35AQI
35AQI
3rd June 2025
47AQI
47AQI
4th June 2025
58AQI
58AQI
5th June 2025
69AQI
69AQI
6th June 2025
75AQI
75AQI
7th June 2025
72AQI
72AQI
8th June 2025
70AQI
70AQI
9th June 2025
66AQI
66AQI
10th June 2025
48AQI
48AQI
11th June 2025
40AQI
40AQI
12th June 2025
44AQI
44AQI
13th June 2025
49AQI
49AQI
14th June 2025
48AQI
48AQI
15th June 2025
36AQI
36AQI
16th June 2025
32AQI
32AQI
17th June 2025
38AQI
38AQI
18th June 2025
39AQI
39AQI
19th June 2025
42AQI
42AQI
20th June 2025
45AQI
45AQI
21st June 2025
49AQI
49AQI
22nd June 2025
58AQI
58AQI
23rd June 2025
49AQI
49AQI
24th June 2025
47AQI
47AQI
25th June 2025
48AQI
48AQI
26th June 2025
48AQI
48AQI
27th June 2025
46AQI
46AQI
28th June 2025
49AQI
49AQI
29th June 2025
49AQI
49AQI
30th June 2025
49AQI
49AQI
1st July 2025
49AQI
49AQI
2nd July 2025
44AQI
44AQI
3rd July 2025
52AQI
52AQI
4th July 2025
46AQI
46AQI
5th July 2025
47AQI
47AQI
6th July 2025
44AQI
44AQI
7th July 2025
42AQI
42AQI
8th July 2025
45AQI
45AQI
9th July 2025
52AQI
52AQI
10th July 2025
52AQI
52AQI
11th July 2025
51AQI
51AQI
12th July 2025
46AQI
46AQI
13th July 2025
46AQI
46AQI
14th July 2025
46AQI
46AQI
15th July 2025
46AQI
46AQI
16th July 2025
48AQI
48AQI
17th July 2025
49AQI
49AQI
18th July 2025
46AQI
46AQI
19th July 2025
45AQI
45AQI
20th July 2025
47AQI
47AQI
21st July 2025
48AQI
48AQI
22nd July 2025
48AQI
48AQI
23rd July 2025
43AQI
43AQI
24th July 2025
39AQI
39AQI
25th July 2025
39AQI
39AQI
26th July 2025
42AQI
42AQI
27th July 2025
40AQI
40AQI
28th July 2025
39AQI
39AQI
29th July 2025
40AQI
40AQI
30th July 2025
44AQI
44AQI
31st July 2025
54AQI
54AQI
1st August 2025
57AQI
57AQI
2nd August 2025
54AQI
54AQI
3rd August 2025
53AQI
53AQI
4th August 2025
56AQI
56AQI
5th August 2025
54AQI
54AQI
6th August 2025
50AQI
50AQI
100AQI
102AQI
126AQI
98AQI
57AQI
49AQI
46AQI
54AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202582AQI
15
16
7
21
6
17
8
16
11
3
14
17
23
7
26
5
1
5
64
78
65
11
Highest AQI recorded in
March126AQI
Lowest AQI recorded in
July46AQI
202458AQI
11
18
1
6
1
1
9
3
30
31
31
3
5
8
7
23
31
116
77
25
1
Highest AQI recorded in
April160AQI
Lowest AQI recorded in
July31AQI
2023135AQI
9
19
1
2
7
19
5
17
7
2
10
5
11
4
2
11
7
1
5
7
1
12
1
21
9
8
62
58
43
18
6
Highest AQI recorded in
April213AQI
Lowest AQI recorded in
June44AQI
202290AQI
2
1
2
25
2
13
17
2
40
20
Highest AQI recorded in
December102AQI
Lowest AQI recorded in
November77AQI
Most & Least Polluted Years Over the Last 4 Years
Most Polluted Year Recorded
2023(Avg.)
135AQILeast Polluted Year Recorded
2024(Avg.)
58AQIChiang Saen district's annual 2025 AQI (82) shows an average percentage change of -2.8% (improved AQI) compared to previous years: 2022 (90), 2023 (135), 2024 (58).
