Wiang Kaen, 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
Wiang Kaen, Chiang Rai, Thailand
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
10th Aug 2023
58AQILowest AQI recorded on
26th Aug 2024
4AQISame Day Analysis (16th August ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 1st highest AQI at 46 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 17th Aug - 18th Aug 2025
Wiang Kaen, Chiang Rai, Thailand
AQI
Day
Night
.
5 AM17th Aug 2025
6 PM
4 AM18th Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
10PM17th Aug
51AQI
Avg. Lowest Time
9AM17th Aug
35AQI
In the last 24 hours,
Wiang Kaen's AQI reached its highest point of 51 at 10 PM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 17th Aug and 18th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Wiang Kaen, Chiang Rai, Thailand
JulAug
19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th
Day
Night
19th Jul 2025465 AMAQI
19th Jul 2025446 AMAQI
19th Jul 2025327 AMAQI
19th Jul 2025358 AMAQI
19th Jul 2025389 AMAQI
19th Jul 20253510 AMAQI
19th Jul 20253411 AMAQI
19th Jul 20253112 PMAQI
19th Jul 2025301 PMAQI
19th Jul 2025272 PMAQI
19th Jul 2025283 PMAQI
19th Jul 2025274 PMAQI
19th Jul 2025285 PMAQI
19th Jul 2025326 PMAQI
19th Jul 2025387 PMAQI
19th Jul 2025418 PMAQI
19th Jul 2025409 PMAQI
19th Jul 20254810 PMAQI
19th Jul 20254611 PMAQI
20th Jul 20254712 AMAQI
20th Jul 2025491 AMAQI
20th Jul 2025472 AMAQI
20th Jul 2025433 AMAQI
20th Jul 2025444 AMAQI
25°C22/31°C
20th Jul 2025415 AMAQI
20th Jul 2025426 AMAQI
20th Jul 2025407 AMAQI
20th Jul 2025398 AMAQI
20th Jul 2025389 AMAQI
20th Jul 20253410 AMAQI
20th Jul 20252811 AMAQI
20th Jul 20253112 PMAQI
20th Jul 2025301 PMAQI
20th Jul 2025292 PMAQI
20th Jul 2025283 PMAQI
20th Jul 2025264 PMAQI
20th Jul 2025295 PMAQI
20th Jul 2025306 PMAQI
20th Jul 2025407 PMAQI
20th Jul 2025398 PMAQI
20th Jul 2025409 PMAQI
20th Jul 20253610 PMAQI
20th Jul 20254711 PMAQI
21st Jul 20254912 AMAQI
21st Jul 2025461 AMAQI
21st Jul 2025462 AMAQI
21st Jul 2025443 AMAQI
21st Jul 2025454 AMAQI
25°C22/31°C
21st Jul 2025425 AMAQI
21st Jul 2025426 AMAQI
21st Jul 2025407 AMAQI
21st Jul 2025368 AMAQI
21st Jul 2025399 AMAQI
21st Jul 20253410 AMAQI
21st Jul 20253811 AMAQI
21st Jul 20253612 PMAQI
21st Jul 2025401 PMAQI
21st Jul 2025382 PMAQI
21st Jul 2025363 PMAQI
21st Jul 2025394 PMAQI
21st Jul 2025415 PMAQI
21st Jul 2025406 PMAQI
21st Jul 2025487 PMAQI
21st Jul 2025508 PMAQI
21st Jul 2025499 PMAQI
21st Jul 20254610 PMAQI
21st Jul 20254511 PMAQI
22nd Jul 20254212 AMAQI
22nd Jul 2025501 AMAQI
22nd Jul 2025482 AMAQI
22nd Jul 2025453 AMAQI
22nd Jul 2025434 AMAQI
24°C21/30°C
22nd Jul 2025445 AMAQI
22nd Jul 2025456 AMAQI
22nd Jul 2025427 AMAQI
22nd Jul 2025388 AMAQI
22nd Jul 2025439 AMAQI
22nd Jul 20254510 AMAQI
22nd Jul 20254511 AMAQI
22nd Jul 20253912 PMAQI
22nd Jul 2025341 PMAQI
22nd Jul 2025342 PMAQI
22nd Jul 2025293 PMAQI
22nd Jul 2025344 PMAQI
22nd Jul 2025315 PMAQI
22nd Jul 2025356 PMAQI
22nd Jul 2025387 PMAQI
22nd Jul 2025398 PMAQI
22nd Jul 2025429 PMAQI
22nd Jul 20254610 PMAQI
22nd Jul 20254711 PMAQI
23rd Jul 20254612 AMAQI
23rd Jul 2025481 AMAQI
23rd Jul 2025472 AMAQI
23rd Jul 2025453 AMAQI
23rd Jul 2025454 AMAQI
23°C23/23°C
23rd Jul 2025455 AMAQI
23rd Jul 2025456 AMAQI
23rd Jul 2025307 AMAQI
23rd Jul 2025218 AMAQI
23rd Jul 2025269 AMAQI
23rd Jul 20252910 AMAQI
23rd Jul 20253711 AMAQI
23rd Jul 20253612 PMAQI
23rd Jul 2025361 PMAQI
23rd Jul 2025352 PMAQI
23rd Jul 2025353 PMAQI
23rd Jul 2025344 PMAQI
23rd Jul 2025345 PMAQI
23rd Jul 2025396 PMAQI
23rd Jul 2025407 PMAQI
23rd Jul 2025388 PMAQI
23rd Jul 2025369 PMAQI
23rd Jul 20253710 PMAQI
23rd Jul 20253611 PMAQI
24th Jul 20254112 AMAQI
24th Jul 2025451 AMAQI
24th Jul 2025452 AMAQI
24th Jul 2025463 AMAQI
24th Jul 2025464 AMAQI
23°C22/24°C
24th Jul 2025445 AMAQI
24th Jul 2025446 AMAQI
24th Jul 2025347 AMAQI
24th Jul 2025278 AMAQI
24th Jul 2025289 AMAQI
24th Jul 20252410 AMAQI
24th Jul 20252611 AMAQI
24th Jul 20252212 PMAQI
24th Jul 2025231 PMAQI
24th Jul 2025222 PMAQI
24th Jul 2025193 PMAQI
24th Jul 2025264 PMAQI
24th Jul 2025245 PMAQI
24th Jul 2025316 PMAQI
24th Jul 2025367 PMAQI
24th Jul 2025358 PMAQI
24th Jul 2025369 PMAQI
24th Jul 20253810 PMAQI
24th Jul 20253911 PMAQI
25th Jul 20253912 AMAQI
25th Jul 2025421 AMAQI
25th Jul 2025422 AMAQI
25th Jul 2025383 AMAQI
25th Jul 2025384 AMAQI
24°C22/27°C
25th Jul 2025385 AMAQI
25th Jul 2025386 AMAQI
25th Jul 2025317 AMAQI
25th Jul 2025258 AMAQI
25th Jul 2025349 AMAQI
25th Jul 20252810 AMAQI
25th Jul 20253011 AMAQI
25th Jul 20252612 PMAQI
25th Jul 2025271 PMAQI
25th Jul 2025262 PMAQI
25th Jul 2025253 PMAQI
25th Jul 2025244 PMAQI
25th Jul 2025285 PMAQI
25th Jul 2025306 PMAQI
25th Jul 2025377 PMAQI
25th Jul 2025398 PMAQI
25th Jul 2025399 PMAQI
25th Jul 20254110 PMAQI
25th Jul 20254011 PMAQI
26th Jul 20254212 AMAQI
26th Jul 2025451 AMAQI
26th Jul 2025412 AMAQI
26th Jul 2025393 AMAQI
26th Jul 2025414 AMAQI
24°C23/27°C
26th Jul 2025385 AMAQI
26th Jul 2025386 AMAQI
26th Jul 2025307 AMAQI
26th Jul 2025268 AMAQI
26th Jul 2025279 AMAQI
26th Jul 20252610 AMAQI
26th Jul 20252711 AMAQI
26th Jul 20253012 PMAQI
26th Jul 2025291 PMAQI
26th Jul 2025322 PMAQI
26th Jul 2025313 PMAQI
26th Jul 2025344 PMAQI
26th Jul 2025325 PMAQI
26th Jul 2025346 PMAQI
26th Jul 2025377 PMAQI
26th Jul 2025408 PMAQI
26th Jul 2025399 PMAQI
26th Jul 20253810 PMAQI
26th Jul 20253811 PMAQI
27th Jul 20254012 AMAQI
27th Jul 2025451 AMAQI
27th Jul 2025402 AMAQI
27th Jul 2025383 AMAQI
27th Jul 2025394 AMAQI
24°C23/28°C
27th Jul 2025385 AMAQI
27th Jul 2025396 AMAQI
27th Jul 2025327 AMAQI
27th Jul 2025298 AMAQI
27th Jul 2025319 AMAQI
27th Jul 20253410 AMAQI
27th Jul 20253211 AMAQI
27th Jul 20253712 PMAQI
27th Jul 2025301 PMAQI
27th Jul 2025292 PMAQI
27th Jul 2025283 PMAQI
27th Jul 2025284 PMAQI
27th Jul 2025265 PMAQI
27th Jul 2025286 PMAQI
27th Jul 2025347 PMAQI
27th Jul 2025348 PMAQI
27th Jul 2025369 PMAQI
27th Jul 20253810 PMAQI
27th Jul 20253611 PMAQI
28th Jul 20253712 AMAQI
28th Jul 2025411 AMAQI
28th Jul 2025402 AMAQI
28th Jul 2025393 AMAQI
28th Jul 2025394 AMAQI
23°C22/25°C
28th Jul 2025405 AMAQI
28th Jul 2025406 AMAQI
28th Jul 2025277 AMAQI
28th Jul 2025258 AMAQI
28th Jul 2025289 AMAQI
28th Jul 20252910 AMAQI
28th Jul 20252911 AMAQI
28th Jul 20253012 PMAQI
28th Jul 2025311 PMAQI
28th Jul 2025332 PMAQI
28th Jul 2025343 PMAQI
28th Jul 2025304 PMAQI
28th Jul 2025325 PMAQI
28th Jul 2025366 PMAQI
28th Jul 2025397 PMAQI
28th Jul 2025408 PMAQI
28th Jul 2025379 PMAQI
28th Jul 20254010 PMAQI
28th Jul 20253811 PMAQI
29th Jul 20254012 AMAQI
29th Jul 2025421 AMAQI
29th Jul 2025402 AMAQI
29th Jul 2025393 AMAQI
29th Jul 2025394 AMAQI
23°C22/24°C
29th Jul 2025395 AMAQI
29th Jul 2025386 AMAQI
29th Jul 2025357 AMAQI
29th Jul 2025328 AMAQI
29th Jul 2025269 AMAQI
29th Jul 20253410 AMAQI
29th Jul 20253311 AMAQI
29th Jul 20253412 PMAQI
29th Jul 2025301 PMAQI
29th Jul 2025322 PMAQI
29th Jul 2025283 PMAQI
29th Jul 2025304 PMAQI
29th Jul 2025265 PMAQI
29th Jul 2025396 PMAQI
29th Jul 2025357 PMAQI
29th Jul 2025408 PMAQI
29th Jul 2025409 PMAQI
29th Jul 20254010 PMAQI
29th Jul 20253411 PMAQI
30th Jul 20253612 AMAQI
30th Jul 2025421 AMAQI
30th Jul 2025402 AMAQI
30th Jul 2025413 AMAQI
30th Jul 2025434 AMAQI
26°C22/32°C
30th Jul 2025425 AMAQI
30th Jul 2025416 AMAQI
30th Jul 2025427 AMAQI
30th Jul 2025508 AMAQI
30th Jul 2025389 AMAQI
30th Jul 20252610 AMAQI
30th Jul 20253211 AMAQI
30th Jul 20253712 PMAQI
30th Jul 2025321 PMAQI
30th Jul 2025332 PMAQI
30th Jul 2025373 PMAQI
30th Jul 2025404 PMAQI
30th Jul 2025445 PMAQI
30th Jul 2025406 PMAQI
30th Jul 2025427 PMAQI
30th Jul 2025488 PMAQI
30th Jul 2025499 PMAQI
30th Jul 20254810 PMAQI
30th Jul 20254911 PMAQI
31st Jul 20255012 AMAQI
31st Jul 2025511 AMAQI
31st Jul 2025432 AMAQI
31st Jul 2025433 AMAQI
31st Jul 2025434 AMAQI
25°C23/31°C
31st Jul 2025435 AMAQI
31st Jul 2025436 AMAQI
31st Jul 2025437 AMAQI
31st Jul 2025438 AMAQI
31st Jul 2025499 AMAQI
31st Jul 20255110 AMAQI
31st Jul 20255111 AMAQI
31st Jul 20255712 PMAQI
31st Jul 2025541 PMAQI
31st Jul 2025552 PMAQI
31st Jul 2025533 PMAQI
31st Jul 2025544 PMAQI
31st Jul 2025545 PMAQI
31st Jul 2025566 PMAQI
31st Jul 2025577 PMAQI
31st Jul 2025588 PMAQI
31st Jul 2025619 PMAQI
31st Jul 20255910 PMAQI
31st Jul 20255811 PMAQI
1st Aug 20255712 AMAQI
1st Aug 2025571 AMAQI
1st Aug 2025542 AMAQI
1st Aug 2025553 AMAQI
1st Aug 2025544 AMAQI
26°C23/33°C
1st Aug 2025545 AMAQI
1st Aug 2025546 AMAQI
1st Aug 2025587 AMAQI
1st Aug 2025568 AMAQI
1st Aug 2025509 AMAQI
1st Aug 20256010 AMAQI
1st Aug 20256011 AMAQI
1st Aug 20256312 PMAQI
1st Aug 2025601 PMAQI
1st Aug 2025562 PMAQI
1st Aug 2025543 PMAQI
1st Aug 2025544 PMAQI
1st Aug 2025525 PMAQI
1st Aug 2025596 PMAQI
1st Aug 2025577 PMAQI
1st Aug 2025558 PMAQI
1st Aug 2025569 PMAQI
1st Aug 20255510 PMAQI
1st Aug 20255611 PMAQI
2nd Aug 20255512 AMAQI
2nd Aug 2025561 AMAQI
2nd Aug 2025562 AMAQI
2nd Aug 2025563 AMAQI
2nd Aug 2025564 AMAQI
25°C23/31°C
2nd Aug 2025565 AMAQI
2nd Aug 2025566 AMAQI
2nd Aug 2025507 AMAQI
2nd Aug 2025468 AMAQI
2nd Aug 2025529 AMAQI
2nd Aug 20254810 AMAQI
2nd Aug 20255311 AMAQI
2nd Aug 20254512 PMAQI
2nd Aug 2025491 PMAQI
2nd Aug 2025492 PMAQI
2nd Aug 2025503 PMAQI
2nd Aug 2025434 PMAQI
2nd Aug 2025505 PMAQI
2nd Aug 2025506 PMAQI
2nd Aug 2025547 PMAQI
2nd Aug 2025548 PMAQI
2nd Aug 2025589 PMAQI
2nd Aug 20255410 PMAQI
2nd Aug 20255411 PMAQI
3rd Aug 20255712 AMAQI
3rd Aug 2025571 AMAQI
3rd Aug 2025562 AMAQI
3rd Aug 2025543 AMAQI
3rd Aug 2025554 AMAQI
26°C22/33°C
3rd Aug 2025555 AMAQI
3rd Aug 2025556 AMAQI
3rd Aug 2025467 AMAQI
3rd Aug 2025488 AMAQI
3rd Aug 2025529 AMAQI
3rd Aug 20255810 AMAQI
3rd Aug 20255711 AMAQI
3rd Aug 20255112 PMAQI
3rd Aug 2025531 PMAQI
3rd Aug 2025482 PMAQI
3rd Aug 2025493 PMAQI
3rd Aug 2025444 PMAQI
3rd Aug 2025505 PMAQI
3rd Aug 2025536 PMAQI
3rd Aug 2025557 PMAQI
3rd Aug 2025588 PMAQI
3rd Aug 2025569 PMAQI
3rd Aug 20255510 PMAQI
3rd Aug 20255711 PMAQI
4th Aug 20255612 AMAQI
4th Aug 2025561 AMAQI
4th Aug 2025552 AMAQI
4th Aug 2025553 AMAQI
4th Aug 2025554 AMAQI
25°C21/31°C
4th Aug 2025555 AMAQI
4th Aug 2025556 AMAQI
4th Aug 2025537 AMAQI
4th Aug 2025528 AMAQI
4th Aug 2025509 AMAQI
4th Aug 20255310 AMAQI
4th Aug 20255511 AMAQI
4th Aug 20255312 PMAQI
4th Aug 2025581 PMAQI
4th Aug 2025502 PMAQI
4th Aug 2025573 PMAQI
4th Aug 2025554 PMAQI
4th Aug 2025585 PMAQI
4th Aug 2025566 PMAQI
4th Aug 2025587 PMAQI
4th Aug 2025588 PMAQI
4th Aug 2025609 PMAQI
4th Aug 20256010 PMAQI
4th Aug 20255711 PMAQI
5th Aug 20255512 AMAQI
5th Aug 2025561 AMAQI
5th Aug 2025562 AMAQI
5th Aug 2025563 AMAQI
5th Aug 2025564 AMAQI
23°C21/28°C
5th Aug 2025565 AMAQI
5th Aug 2025556 AMAQI
5th Aug 2025527 AMAQI
5th Aug 2025528 AMAQI
5th Aug 2025529 AMAQI
5th Aug 20255510 AMAQI
5th Aug 20254511 AMAQI
5th Aug 20254412 PMAQI
5th Aug 2025431 PMAQI
5th Aug 2025442 PMAQI
5th Aug 2025493 PMAQI
5th Aug 2025524 PMAQI
5th Aug 2025475 PMAQI
5th Aug 2025566 PMAQI
5th Aug 2025547 PMAQI
5th Aug 2025558 PMAQI
5th Aug 2025529 PMAQI
5th Aug 20255410 PMAQI
5th Aug 20255611 PMAQI
6th Aug 20255512 AMAQI
6th Aug 2025581 AMAQI
6th Aug 2025562 AMAQI
6th Aug 2025563 AMAQI
6th Aug 2025564 AMAQI
25°C22/30°C
6th Aug 2025555 AMAQI
6th Aug 2025556 AMAQI
6th Aug 2025467 AMAQI
6th Aug 2025448 AMAQI
6th Aug 2025469 AMAQI
6th Aug 20255410 AMAQI
6th Aug 20254111 AMAQI
6th Aug 20253912 PMAQI
6th Aug 2025371 PMAQI
6th Aug 2025352 PMAQI
6th Aug 2025303 PMAQI
6th Aug 2025364 PMAQI
6th Aug 2025335 PMAQI
6th Aug 2025466 PMAQI
6th Aug 2025487 PMAQI
6th Aug 2025478 PMAQI
6th Aug 2025469 PMAQI
6th Aug 20255010 PMAQI
6th Aug 20255011 PMAQI
7th Aug 20255312 AMAQI
7th Aug 2025551 AMAQI
7th Aug 2025552 AMAQI
7th Aug 2025543 AMAQI
7th Aug 2025564 AMAQI
24°C22/27°C
7th Aug 2025555 AMAQI
7th Aug 2025556 AMAQI
7th Aug 2025367 AMAQI
7th Aug 2025468 AMAQI
7th Aug 2025579 AMAQI
7th Aug 20255410 AMAQI
7th Aug 20254211 AMAQI
7th Aug 20253312 PMAQI
7th Aug 2025321 PMAQI
7th Aug 2025302 PMAQI
7th Aug 2025293 PMAQI
7th Aug 2025274 PMAQI
7th Aug 2025275 PMAQI
7th Aug 2025286 PMAQI
7th Aug 2025367 PMAQI
7th Aug 2025448 PMAQI
7th Aug 2025529 PMAQI
7th Aug 20254610 PMAQI
7th Aug 20253711 PMAQI
8th Aug 20254012 AMAQI
8th Aug 2025521 AMAQI
8th Aug 2025532 AMAQI
8th Aug 2025523 AMAQI
8th Aug 2025534 AMAQI
24°C22/30°C
8th Aug 2025525 AMAQI
8th Aug 2025526 AMAQI
8th Aug 2025287 AMAQI
8th Aug 2025238 AMAQI
8th Aug 2025219 AMAQI
8th Aug 20252010 AMAQI
8th Aug 20252611 AMAQI
8th Aug 20252412 PMAQI
8th Aug 2025221 PMAQI
8th Aug 2025242 PMAQI
8th Aug 2025243 PMAQI
8th Aug 2025264 PMAQI
8th Aug 2025245 PMAQI
8th Aug 2025236 PMAQI
8th Aug 2025367 PMAQI
8th Aug 2025498 PMAQI
8th Aug 2025539 PMAQI
8th Aug 20255210 PMAQI
8th Aug 20253611 PMAQI
9th Aug 20255012 AMAQI
9th Aug 2025471 AMAQI
9th Aug 2025462 AMAQI
9th Aug 2025423 AMAQI
9th Aug 2025424 AMAQI
24°C21/31°C
9th Aug 2025415 AMAQI
9th Aug 2025426 AMAQI
9th Aug 2025247 AMAQI
9th Aug 2025228 AMAQI
9th Aug 2025249 AMAQI
9th Aug 20252210 AMAQI
9th Aug 20253211 AMAQI
9th Aug 20253112 PMAQI
9th Aug 2025241 PMAQI
9th Aug 2025242 PMAQI
9th Aug 2025233 PMAQI
9th Aug 2025234 PMAQI
9th Aug 2025245 PMAQI
9th Aug 2025276 PMAQI
9th Aug 2025317 PMAQI
9th Aug 2025348 PMAQI
9th Aug 2025399 PMAQI
9th Aug 20253410 PMAQI
9th Aug 20252811 PMAQI
10th Aug 20253212 AMAQI
10th Aug 2025461 AMAQI
10th Aug 2025462 AMAQI
10th Aug 2025423 AMAQI
10th Aug 2025444 AMAQI
26°C22/32°C
10th Aug 2025445 AMAQI
10th Aug 2025446 AMAQI
10th Aug 2025347 AMAQI
10th Aug 2025308 AMAQI
10th Aug 2025319 AMAQI
10th Aug 20252710 AMAQI
10th Aug 20252611 AMAQI
10th Aug 20252212 PMAQI
10th Aug 2025211 PMAQI
10th Aug 2025212 PMAQI
10th Aug 2025203 PMAQI
10th Aug 2025214 PMAQI
10th Aug 2025235 PMAQI
10th Aug 2025296 PMAQI
10th Aug 2025427 PMAQI
10th Aug 2025448 PMAQI
10th Aug 2025479 PMAQI
10th Aug 20254510 PMAQI
10th Aug 20253411 PMAQI
11th Aug 20253412 AMAQI
11th Aug 2025401 AMAQI
11th Aug 2025392 AMAQI
11th Aug 2025383 AMAQI
11th Aug 2025364 AMAQI
26°C21/34°C
11th Aug 2025365 AMAQI
11th Aug 2025366 AMAQI
11th Aug 2025417 AMAQI
11th Aug 2025378 AMAQI
11th Aug 2025389 AMAQI
11th Aug 20252810 AMAQI
11th Aug 20252711 AMAQI
11th Aug 20252612 PMAQI
11th Aug 2025381 PMAQI
11th Aug 2025372 PMAQI
11th Aug 2025373 PMAQI
11th Aug 2025394 PMAQI
11th Aug 2025385 PMAQI
11th Aug 2025436 PMAQI
11th Aug 2025457 PMAQI
11th Aug 2025458 PMAQI
11th Aug 2025489 PMAQI
11th Aug 20254810 PMAQI
11th Aug 20255211 PMAQI
12th Aug 20254812 AMAQI
12th Aug 2025481 AMAQI
12th Aug 2025472 AMAQI
12th Aug 2025463 AMAQI
12th Aug 2025474 AMAQI
26°C22/32°C
12th Aug 2025475 AMAQI
12th Aug 2025466 AMAQI
12th Aug 2025477 AMAQI
12th Aug 2025488 AMAQI
12th Aug 2025529 AMAQI
12th Aug 20255410 AMAQI
12th Aug 20255511 AMAQI
12th Aug 20254912 PMAQI
12th Aug 2025471 PMAQI
12th Aug 2025452 PMAQI
12th Aug 2025453 PMAQI
12th Aug 2025384 PMAQI
12th Aug 2025425 PMAQI
12th Aug 2025376 PMAQI
12th Aug 2025497 PMAQI
12th Aug 2025518 PMAQI
12th Aug 2025529 PMAQI
12th Aug 20255110 PMAQI
12th Aug 20255211 PMAQI
13th Aug 20255012 AMAQI
13th Aug 2025491 AMAQI
13th Aug 2025502 AMAQI
13th Aug 2025483 AMAQI
13th Aug 2025494 AMAQI
26°C23/30°C
13th Aug 2025505 AMAQI
13th Aug 2025496 AMAQI
13th Aug 2025547 AMAQI
13th Aug 2025518 AMAQI
13th Aug 2025549 AMAQI
13th Aug 20255310 AMAQI
13th Aug 20254811 AMAQI
13th Aug 20254712 PMAQI
13th Aug 2025421 PMAQI
13th Aug 2025422 PMAQI
13th Aug 2025423 PMAQI
13th Aug 2025444 PMAQI
13th Aug 2025405 PMAQI
13th Aug 2025496 PMAQI
13th Aug 2025567 PMAQI
13th Aug 2025558 PMAQI
13th Aug 2025569 PMAQI
13th Aug 20255710 PMAQI
13th Aug 20255511 PMAQI
14th Aug 20255312 AMAQI
14th Aug 2025511 AMAQI
14th Aug 2025522 AMAQI
14th Aug 2025523 AMAQI
14th Aug 2025514 AMAQI
25°C22/31°C
14th Aug 2025505 AMAQI
14th Aug 2025526 AMAQI
14th Aug 2025627 AMAQI
14th Aug 2025628 AMAQI
14th Aug 2025559 AMAQI
14th Aug 20255410 AMAQI
14th Aug 20255411 AMAQI
14th Aug 20254412 PMAQI
14th Aug 2025441 PMAQI
14th Aug 2025462 PMAQI
14th Aug 2025393 PMAQI
14th Aug 2025374 PMAQI
14th Aug 2025465 PMAQI
14th Aug 2025486 PMAQI
14th Aug 2025517 PMAQI
14th Aug 2025568 PMAQI
14th Aug 2025549 PMAQI
14th Aug 20255110 PMAQI
14th Aug 20255611 PMAQI
15th Aug 20255112 AMAQI
15th Aug 2025531 AMAQI
15th Aug 2025522 AMAQI
15th Aug 2025513 AMAQI
15th Aug 2025524 AMAQI
26°C23/31°C
15th Aug 2025525 AMAQI
15th Aug 2025526 AMAQI
15th Aug 2025487 AMAQI
15th Aug 2025458 AMAQI
15th Aug 2025499 AMAQI
15th Aug 20255410 AMAQI
15th Aug 20254211 AMAQI
15th Aug 20254812 PMAQI
15th Aug 2025401 PMAQI
15th Aug 2025322 PMAQI
15th Aug 2025393 PMAQI
15th Aug 2025404 PMAQI
15th Aug 2025435 PMAQI
15th Aug 2025486 PMAQI
15th Aug 2025527 PMAQI
15th Aug 2025558 PMAQI
15th Aug 2025559 PMAQI
15th Aug 20255410 PMAQI
15th Aug 20255211 PMAQI
16th Aug 20255012 AMAQI
16th Aug 2025521 AMAQI
16th Aug 2025542 AMAQI
16th Aug 2025523 AMAQI
16th Aug 2025534 AMAQI
24°C22/29°C
16th Aug 2025525 AMAQI
16th Aug 2025526 AMAQI
16th Aug 2025407 AMAQI
16th Aug 2025388 AMAQI
16th Aug 2025389 AMAQI
16th Aug 20254010 AMAQI
16th Aug 20253411 AMAQI
16th Aug 20253012 PMAQI
16th Aug 2025321 PMAQI
16th Aug 2025322 PMAQI
16th Aug 2025333 PMAQI
16th Aug 2025324 PMAQI
16th Aug 2025365 PMAQI
16th Aug 2025416 PMAQI
16th Aug 2025497 PMAQI
16th Aug 2025508 PMAQI
16th Aug 2025539 PMAQI
16th Aug 20255410 PMAQI
16th Aug 20255511 PMAQI
17th Aug 20255212 AMAQI
17th Aug 2025521 AMAQI
17th Aug 2025502 AMAQI
17th Aug 2025493 AMAQI
17th Aug 2025494 AMAQI
24°C22/32°C
17th Aug 2025505 AMAQI
17th Aug 2025506 AMAQI
17th Aug 2025497 AMAQI
17th Aug 2025448 AMAQI
17th Aug 2025359 AMAQI
17th Aug 20254610 AMAQI
17th Aug 20254011 AMAQI
17th Aug 20253812 PMAQI
17th Aug 2025371 PMAQI
17th Aug 2025422 PMAQI
17th Aug 2025383 PMAQI
17th Aug 2025414 PMAQI
17th Aug 2025475 PMAQI
17th Aug 2025506 PMAQI
17th Aug 2025507 PMAQI
17th Aug 2025478 PMAQI
17th Aug 2025489 PMAQI
17th Aug 20255110 PMAQI
17th Aug 20254711 PMAQI
--°C/°C
5 AM
11 AM
6 PM
11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 6 AM
47AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
8 AM - 5 PM
38AQI
10 hours / Day
300 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 6 AM (Avg. 47), while the lowest AQI was between 8 AM to 5 PM (Avg. 38).
Night time
Avg. Highest Time
12 AM - 11 PM
47AQI
10 hours / Day
300 hours / Month
Avg. Lowest Time
12 AM - 11 PM
47AQI
10 hours / Day
300 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 47), while the lowest AQI was between 12 AM to 11 PM (Avg. 47).
2025 Days Vs Air Quality
Wiang Kaen, Chiang Rai, Thailand
2025
23%
53
36%
82
36%
83
4%
10
Total number of days with different AQI categories in last 229 days in 2025 (136 days remaining)
Good
53 DaysModerate
82 DaysPoor
83 DaysUnhealthy
10 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 23%
Health Risk Level:
Very high
In 2025, 23% of 229 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
Wiang Kaen, 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
89AQI
89AQI
2nd January 2025
87AQI
87AQI
3rd January 2025
82AQI
82AQI
4th January 2025
90AQI
90AQI
5th January 2025
100AQI
100AQI
6th January 2025
117AQI
117AQI
7th January 2025
117AQI
117AQI
8th January 2025
113AQI
113AQI
9th January 2025
121AQI
121AQI
10th January 2025
113AQI
113AQI
11th January 2025
106AQI
106AQI
12th January 2025
94AQI
94AQI
13th January 2025
96AQI
96AQI
14th January 2025
102AQI
102AQI
15th January 2025
112AQI
112AQI
16th January 2025
101AQI
101AQI
17th January 2025
100AQI
100AQI
18th January 2025
102AQI
102AQI
19th January 2025
104AQI
104AQI
20th January 2025
109AQI
109AQI
21st January 2025
117AQI
117AQI
22nd January 2025
123AQI
123AQI
23rd January 2025
122AQI
122AQI
24th January 2025
116AQI
116AQI
25th January 2025
107AQI
107AQI
26th January 2025
110AQI
110AQI
27th January 2025
77AQI
77AQI
28th January 2025
85AQI
85AQI
29th January 2025
97AQI
97AQI
30th January 2025
114AQI
114AQI
31st January 2025
111AQI
111AQI
1st February 2025
107AQI
107AQI
2nd February 2025
110AQI
110AQI
3rd February 2025
111AQI
111AQI
4th February 2025
111AQI
111AQI
5th February 2025
115AQI
115AQI
6th February 2025
115AQI
115AQI
7th February 2025
110AQI
110AQI
8th February 2025
103AQI
103AQI
9th February 2025
86AQI
86AQI
10th February 2025
99AQI
99AQI
11th February 2025
108AQI
108AQI
12th February 2025
113AQI
113AQI
13th February 2025
111AQI
111AQI
14th February 2025
108AQI
108AQI
15th February 2025
104AQI
104AQI
16th February 2025
129AQI
129AQI
17th February 2025
127AQI
127AQI
18th February 2025
130AQI
130AQI
19th February 2025
118AQI
118AQI
20th February 2025
116AQI
116AQI
21st February 2025
110AQI
110AQI
22nd February 2025
107AQI
107AQI
23rd February 2025
100AQI
100AQI
24th February 2025
77AQI
77AQI
25th February 2025
68AQI
68AQI
26th February 2025
61AQI
61AQI
27th February 2025
67AQI
67AQI
28th February 2025
76AQI
76AQI
1st March 2025
75AQI
75AQI
2nd March 2025
86AQI
86AQI
3rd March 2025
95AQI
95AQI
4th March 2025
111AQI
111AQI
5th March 2025
119AQI
119AQI
6th March 2025
126AQI
126AQI
7th March 2025
114AQI
114AQI
8th March 2025
104AQI
104AQI
9th March 2025
101AQI
101AQI
10th March 2025
95AQI
95AQI
11th March 2025
105AQI
105AQI
12th March 2025
116AQI
116AQI
13th March 2025
103AQI
103AQI
14th March 2025
115AQI
115AQI
15th March 2025
133AQI
133AQI
16th March 2025
126AQI
126AQI
17th March 2025
137AQI
137AQI
18th March 2025
120AQI
120AQI
19th March 2025
84AQI
84AQI
20th March 2025
91AQI
91AQI
21st March 2025
106AQI
106AQI
22nd March 2025
131AQI
131AQI
23rd March 2025
136AQI
136AQI
24th March 2025
154AQI
154AQI
25th March 2025
158AQI
158AQI
26th March 2025
157AQI
157AQI
27th March 2025
157AQI
157AQI
28th March 2025
163AQI
163AQI
29th March 2025
162AQI
162AQI
30th March 2025
163AQI
163AQI
31st March 2025
157AQI
157AQI
1st April 2025
150AQI
150AQI
2nd April 2025
147AQI
147AQI
3rd April 2025
146AQI
146AQI
4th April 2025
151AQI
151AQI
5th April 2025
151AQI
151AQI
6th April 2025
137AQI
137AQI
7th April 2025
108AQI
108AQI
8th April 2025
108AQI
108AQI
9th April 2025
133AQI
133AQI
10th April 2025
128AQI
128AQI
11th April 2025
128AQI
128AQI
12th April 2025
98AQI
98AQI
13th April 2025
84AQI
84AQI
14th April 2025
67AQI
67AQI
15th April 2025
62AQI
62AQI
16th April 2025
59AQI
59AQI
17th April 2025
57AQI
57AQI
18th April 2025
58AQI
58AQI
19th April 2025
61AQI
61AQI
20th April 2025
60AQI
60AQI
21st April 2025
64AQI
64AQI
22nd April 2025
80AQI
80AQI
23rd April 2025
85AQI
85AQI
24th April 2025
92AQI
92AQI
25th April 2025
103AQI
103AQI
26th April 2025
104AQI
104AQI
27th April 2025
106AQI
106AQI
28th April 2025
79AQI
79AQI
29th April 2025
75AQI
75AQI
30th April 2025
73AQI
73AQI
1st May 2025
82AQI
82AQI
2nd May 2025
108AQI
108AQI
3rd May 2025
95AQI
95AQI
4th May 2025
95AQI
95AQI
5th May 2025
95AQI
95AQI
6th May 2025
104AQI
104AQI
7th May 2025
113AQI
113AQI
8th May 2025
106AQI
106AQI
9th May 2025
103AQI
103AQI
10th May 2025
120AQI
120AQI
11th May 2025
110AQI
110AQI
12th May 2025
98AQI
98AQI
13th May 2025
99AQI
99AQI
14th May 2025
98AQI
98AQI
15th May 2025
81AQI
81AQI
16th May 2025
81AQI
81AQI
17th May 2025
73AQI
73AQI
18th May 2025
73AQI
73AQI
19th May 2025
81AQI
81AQI
20th May 2025
95AQI
95AQI
21st May 2025
94AQI
94AQI
22nd May 2025
100AQI
100AQI
23rd May 2025
105AQI
105AQI
24th May 2025
81AQI
81AQI
25th May 2025
90AQI
90AQI
26th May 2025
86AQI
86AQI
27th May 2025
86AQI
86AQI
28th May 2025
86AQI
86AQI
29th May 2025
90AQI
90AQI
30th May 2025
108AQI
108AQI
31st May 2025
102AQI
102AQI
1st June 2025
100AQI
100AQI
2nd June 2025
93AQI
93AQI
3rd June 2025
97AQI
97AQI
4th June 2025
106AQI
106AQI
5th June 2025
105AQI
105AQI
6th June 2025
106AQI
106AQI
7th June 2025
112AQI
112AQI
8th June 2025
99AQI
99AQI
9th June 2025
99AQI
99AQI
10th June 2025
90AQI
90AQI
11th June 2025
90AQI
90AQI
12th June 2025
92AQI
92AQI
13th June 2025
82AQI
82AQI
14th June 2025
86AQI
86AQI
15th June 2025
86AQI
86AQI
16th June 2025
83AQI
83AQI
17th June 2025
75AQI
75AQI
18th June 2025
34AQI
34AQI
19th June 2025
31AQI
31AQI
20th June 2025
37AQI
37AQI
21st June 2025
41AQI
41AQI
22nd June 2025
45AQI
45AQI
23rd June 2025
39AQI
39AQI
24th June 2025
38AQI
38AQI
25th June 2025
41AQI
41AQI
26th June 2025
41AQI
41AQI
27th June 2025
34AQI
34AQI
28th June 2025
42AQI
42AQI
29th June 2025
42AQI
42AQI
30th June 2025
43AQI
43AQI
1st July 2025
43AQI
43AQI
2nd July 2025
39AQI
39AQI
3rd July 2025
49AQI
49AQI
4th July 2025
39AQI
39AQI
5th July 2025
36AQI
36AQI
6th July 2025
37AQI
37AQI
7th July 2025
34AQI
34AQI
8th July 2025
37AQI
37AQI
9th July 2025
42AQI
42AQI
10th July 2025
44AQI
44AQI
11th July 2025
40AQI
40AQI
12th July 2025
37AQI
37AQI
13th July 2025
36AQI
36AQI
14th July 2025
37AQI
37AQI
15th July 2025
40AQI
40AQI
16th July 2025
45AQI
45AQI
17th July 2025
43AQI
43AQI
18th July 2025
41AQI
41AQI
19th July 2025
40AQI
40AQI
20th July 2025
39AQI
39AQI
21st July 2025
43AQI
43AQI
22nd July 2025
41AQI
41AQI
23rd July 2025
40AQI
40AQI
24th July 2025
35AQI
35AQI
25th July 2025
35AQI
35AQI
26th July 2025
37AQI
37AQI
27th July 2025
35AQI
35AQI
28th July 2025
35AQI
35AQI
29th July 2025
36AQI
36AQI
30th July 2025
40AQI
40AQI
31st July 2025
51AQI
51AQI
1st August 2025
56AQI
56AQI
2nd August 2025
53AQI
53AQI
3rd August 2025
54AQI
54AQI
4th August 2025
56AQI
56AQI
5th August 2025
53AQI
53AQI
6th August 2025
48AQI
48AQI
7th August 2025
44AQI
44AQI
8th August 2025
37AQI
37AQI
9th August 2025
36AQI
36AQI
10th August 2025
33AQI
33AQI
11th August 2025
38AQI
38AQI
12th August 2025
47AQI
47AQI
13th August 2025
50AQI
50AQI
14th August 2025
52AQI
52AQI
15th August 2025
49AQI
49AQI
16th August 2025
46AQI
46AQI
104AQI
103AQI
123AQI
98AQI
95AQI
70AQI
40AQI
47AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202587AQI
11
20
8
20
6
17
8
16
12
2
21
10
13
13
4
30
1
10
6
53
82
83
10
Highest AQI recorded in
March123AQI
Lowest AQI recorded in
July40AQI
202473AQI
10
19
1
6
1
1
1
12
11
7
10
7
2
1
30
31
31
2
1
6
7
3
27
31
110
87
45
15
1
Highest AQI recorded in
March155AQI
Lowest AQI recorded in
August33AQI
2023160AQI
3
15
1
9
14
5
7
14
5
5
5
2
16
4
2
2
1
2
2
1
3
18
11
3
25
52
32
26
9
Highest AQI recorded in
April233AQI
Lowest AQI recorded in
August49AQI
202288AQI
1
5
14
2
13
12
5
28
14
Highest AQI recorded in
December102AQI
Lowest AQI recorded in
November71AQI
Most & Least Polluted Years Over the Last 4 Years
Most Polluted Year Recorded
2023(Avg.)
160AQILeast Polluted Year Recorded
2024(Avg.)
73AQIWiang Kaen's annual 2025 AQI (87) shows an average percentage change of -8.8% (improved AQI) compared to previous years: 2022 (88), 2023 (160), 2024 (73).
