1173, Chiang Rai, 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
1173, Chiang Rai, Chiang Rai, Thailand
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
1st Aug 2025
57AQILowest AQI recorded on
9th Aug 2025
26AQISame Day Analysis (15th August ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 1st highest AQI at 49 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 15th Aug - 16th Aug 2025
1173, Chiang Rai, Chiang Rai, Thailand
AQI
Day
Night
.
5 AM15th Aug 2025
6 PM
4 AM16th Aug 2025
Day time
Avg. Highest Time
6AM15th Aug
52AQI
Avg. Lowest Time
2PM15th Aug
30AQI
Night time
Avg. Highest Time
8PM15th Aug
55AQI
Avg. Lowest Time
12AM16th Aug
51AQI
In the last 24 hours,
1173's AQI reached its highest point of 55 at 8 PM during the Night, while the lowest point, 30, was recorded at 2 PM during the Day between 15th Aug and 16th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
1173, Chiang Rai, Chiang Rai, Thailand
JulAug
17th - 18th18th - 19th19th - 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
Day
Night
17th Jul 2025425 AMAQI
17th Jul 2025426 AMAQI
17th Jul 2025427 AMAQI
17th Jul 2025298 AMAQI
17th Jul 2025459 AMAQI
17th Jul 20254110 AMAQI
17th Jul 20253111 AMAQI
17th Jul 20254012 PMAQI
17th Jul 2025321 PMAQI
17th Jul 2025322 PMAQI
17th Jul 2025273 PMAQI
17th Jul 2025314 PMAQI
17th Jul 2025375 PMAQI
17th Jul 2025316 PMAQI
17th Jul 2025417 PMAQI
17th Jul 2025408 PMAQI
17th Jul 2025429 PMAQI
17th Jul 20253810 PMAQI
17th Jul 20253911 PMAQI
18th Jul 20254312 AMAQI
18th Jul 2025461 AMAQI
18th Jul 2025452 AMAQI
18th Jul 2025443 AMAQI
18th Jul 2025444 AMAQI
23°C23/25°C
18th Jul 2025445 AMAQI
18th Jul 2025436 AMAQI
18th Jul 2025337 AMAQI
18th Jul 2025318 AMAQI
18th Jul 2025259 AMAQI
18th Jul 20252510 AMAQI
18th Jul 20252911 AMAQI
18th Jul 20253112 PMAQI
18th Jul 2025281 PMAQI
18th Jul 2025262 PMAQI
18th Jul 2025273 PMAQI
18th Jul 2025294 PMAQI
18th Jul 2025305 PMAQI
18th Jul 2025286 PMAQI
18th Jul 2025417 PMAQI
18th Jul 2025408 PMAQI
18th Jul 2025399 PMAQI
18th Jul 20254010 PMAQI
18th Jul 20254311 PMAQI
19th Jul 20254612 AMAQI
19th Jul 2025471 AMAQI
19th Jul 2025442 AMAQI
19th Jul 2025433 AMAQI
19th Jul 2025424 AMAQI
25°C22/29°C
19th Jul 2025455 AMAQI
19th Jul 2025436 AMAQI
19th Jul 2025347 AMAQI
19th Jul 2025238 AMAQI
19th Jul 2025339 AMAQI
19th Jul 20252610 AMAQI
19th Jul 20252811 AMAQI
19th Jul 20252812 PMAQI
19th Jul 2025281 PMAQI
19th Jul 2025262 PMAQI
19th Jul 2025263 PMAQI
19th Jul 2025254 PMAQI
19th Jul 2025275 PMAQI
19th Jul 2025256 PMAQI
19th Jul 2025347 PMAQI
19th Jul 2025388 PMAQI
19th Jul 2025399 PMAQI
19th Jul 20254110 PMAQI
19th Jul 20254011 PMAQI
20th Jul 20254412 AMAQI
20th Jul 2025461 AMAQI
20th Jul 2025442 AMAQI
20th Jul 2025423 AMAQI
20th Jul 2025414 AMAQI
26°C22/31°C
20th Jul 2025415 AMAQI
20th Jul 2025416 AMAQI
20th Jul 2025417 AMAQI
20th Jul 2025368 AMAQI
20th Jul 2025389 AMAQI
20th Jul 20253310 AMAQI
20th Jul 20252811 AMAQI
20th Jul 20252912 PMAQI
20th Jul 2025301 PMAQI
20th Jul 2025322 PMAQI
20th Jul 2025303 PMAQI
20th Jul 2025264 PMAQI
20th Jul 2025275 PMAQI
20th Jul 2025286 PMAQI
20th Jul 2025377 PMAQI
20th Jul 2025398 PMAQI
20th Jul 2025419 PMAQI
20th Jul 20254010 PMAQI
20th Jul 20254911 PMAQI
21st Jul 20254912 AMAQI
21st Jul 2025431 AMAQI
21st Jul 2025432 AMAQI
21st Jul 2025423 AMAQI
21st Jul 2025424 AMAQI
26°C23/31°C
21st Jul 2025425 AMAQI
21st Jul 2025426 AMAQI
21st Jul 2025387 AMAQI
21st Jul 2025358 AMAQI
21st Jul 2025399 AMAQI
21st Jul 20253610 AMAQI
21st Jul 20253411 AMAQI
21st Jul 20253212 PMAQI
21st Jul 2025341 PMAQI
21st Jul 2025372 PMAQI
21st Jul 2025383 PMAQI
21st Jul 2025354 PMAQI
21st Jul 2025365 PMAQI
21st Jul 2025386 PMAQI
21st Jul 2025507 PMAQI
21st Jul 2025478 PMAQI
21st Jul 2025509 PMAQI
21st Jul 20254810 PMAQI
21st Jul 20254711 PMAQI
22nd Jul 20255012 AMAQI
22nd Jul 2025481 AMAQI
22nd Jul 2025472 AMAQI
22nd Jul 2025443 AMAQI
22nd Jul 2025424 AMAQI
25°C22/29°C
22nd Jul 2025435 AMAQI
22nd Jul 2025456 AMAQI
22nd Jul 2025417 AMAQI
22nd Jul 2025428 AMAQI
22nd Jul 2025429 AMAQI
22nd Jul 20254810 AMAQI
22nd Jul 20254411 AMAQI
22nd Jul 20254012 PMAQI
22nd Jul 2025341 PMAQI
22nd Jul 2025342 PMAQI
22nd Jul 2025323 PMAQI
22nd Jul 2025324 PMAQI
22nd Jul 2025325 PMAQI
22nd Jul 2025356 PMAQI
22nd Jul 2025407 PMAQI
22nd Jul 2025408 PMAQI
22nd Jul 2025389 PMAQI
22nd Jul 20254310 PMAQI
22nd Jul 20254511 PMAQI
23rd Jul 20254512 AMAQI
23rd Jul 2025471 AMAQI
23rd Jul 2025482 AMAQI
23rd Jul 2025453 AMAQI
23rd Jul 2025464 AMAQI
23°C23/24°C
23rd Jul 2025465 AMAQI
23rd Jul 2025466 AMAQI
23rd Jul 2025277 AMAQI
23rd Jul 2025218 AMAQI
23rd Jul 2025289 AMAQI
23rd Jul 20253010 AMAQI
23rd Jul 20254311 AMAQI
23rd Jul 20254012 PMAQI
23rd Jul 2025311 PMAQI
23rd Jul 2025322 PMAQI
23rd Jul 2025343 PMAQI
23rd Jul 2025304 PMAQI
23rd Jul 2025335 PMAQI
23rd Jul 2025356 PMAQI
23rd Jul 2025397 PMAQI
23rd Jul 2025368 PMAQI
23rd Jul 2025369 PMAQI
23rd Jul 20253410 PMAQI
23rd Jul 20253711 PMAQI
24th Jul 20253412 AMAQI
24th Jul 2025411 AMAQI
24th Jul 2025442 AMAQI
24th Jul 2025463 AMAQI
24th Jul 2025444 AMAQI
23°C22/23°C
24th Jul 2025445 AMAQI
24th Jul 2025426 AMAQI
24th Jul 2025307 AMAQI
24th Jul 2025258 AMAQI
24th Jul 2025269 AMAQI
24th Jul 20252410 AMAQI
24th Jul 20252511 AMAQI
24th Jul 20252012 PMAQI
24th Jul 2025211 PMAQI
24th Jul 2025242 PMAQI
24th Jul 2025233 PMAQI
24th Jul 2025244 PMAQI
24th Jul 2025265 PMAQI
24th Jul 2025316 PMAQI
24th Jul 2025357 PMAQI
24th Jul 2025348 PMAQI
24th Jul 2025379 PMAQI
24th Jul 20253610 PMAQI
24th Jul 20253511 PMAQI
25th Jul 20253712 AMAQI
25th Jul 2025411 AMAQI
25th Jul 2025392 AMAQI
25th Jul 2025353 AMAQI
25th Jul 2025364 AMAQI
24°C23/26°C
25th Jul 2025365 AMAQI
25th Jul 2025356 AMAQI
25th Jul 2025287 AMAQI
25th Jul 2025268 AMAQI
25th Jul 2025299 AMAQI
25th Jul 20252910 AMAQI
25th Jul 20252711 AMAQI
25th Jul 20252612 PMAQI
25th Jul 2025261 PMAQI
25th Jul 2025262 PMAQI
25th Jul 2025263 PMAQI
25th Jul 2025264 PMAQI
25th Jul 2025275 PMAQI
25th Jul 2025316 PMAQI
25th Jul 2025347 PMAQI
25th Jul 2025348 PMAQI
25th Jul 2025359 PMAQI
25th Jul 20253810 PMAQI
25th Jul 20253911 PMAQI
26th Jul 20253712 AMAQI
26th Jul 2025391 AMAQI
26th Jul 2025362 AMAQI
26th Jul 2025363 AMAQI
26th Jul 2025384 AMAQI
24°C23/27°C
26th Jul 2025375 AMAQI
26th Jul 2025366 AMAQI
26th Jul 2025317 AMAQI
26th Jul 2025258 AMAQI
26th Jul 2025269 AMAQI
26th Jul 20252510 AMAQI
26th Jul 20252811 AMAQI
26th Jul 20253112 PMAQI
26th Jul 2025291 PMAQI
26th Jul 2025292 PMAQI
26th Jul 2025303 PMAQI
26th Jul 2025324 PMAQI
26th Jul 2025325 PMAQI
26th Jul 2025316 PMAQI
26th Jul 2025337 PMAQI
26th Jul 2025368 PMAQI
26th Jul 2025399 PMAQI
26th Jul 20253710 PMAQI
26th Jul 20253411 PMAQI
27th Jul 20254012 AMAQI
27th Jul 2025401 AMAQI
27th Jul 2025382 AMAQI
27th Jul 2025383 AMAQI
27th Jul 2025374 AMAQI
24°C23/26°C
27th Jul 2025375 AMAQI
27th Jul 2025376 AMAQI
27th Jul 2025317 AMAQI
27th Jul 2025328 AMAQI
27th Jul 2025369 AMAQI
27th Jul 20252810 AMAQI
27th Jul 20253011 AMAQI
27th Jul 20253112 PMAQI
27th Jul 2025281 PMAQI
27th Jul 2025262 PMAQI
27th Jul 2025283 PMAQI
27th Jul 2025274 PMAQI
27th Jul 2025265 PMAQI
27th Jul 2025266 PMAQI
27th Jul 2025347 PMAQI
27th Jul 2025358 PMAQI
27th Jul 2025379 PMAQI
27th Jul 20253810 PMAQI
27th Jul 20253611 PMAQI
28th Jul 20253612 AMAQI
28th Jul 2025391 AMAQI
28th Jul 2025392 AMAQI
28th Jul 2025373 AMAQI
28th Jul 2025364 AMAQI
24°C23/26°C
28th Jul 2025375 AMAQI
28th Jul 2025376 AMAQI
28th Jul 2025247 AMAQI
28th Jul 2025248 AMAQI
28th Jul 2025229 AMAQI
28th Jul 20252610 AMAQI
28th Jul 20252611 AMAQI
28th Jul 20252812 PMAQI
28th Jul 2025321 PMAQI
28th Jul 2025282 PMAQI
28th Jul 2025283 PMAQI
28th Jul 2025254 PMAQI
28th Jul 2025285 PMAQI
28th Jul 2025366 PMAQI
28th Jul 2025377 PMAQI
28th Jul 2025418 PMAQI
28th Jul 2025399 PMAQI
28th Jul 20253710 PMAQI
28th Jul 20254011 PMAQI
29th Jul 20253612 AMAQI
29th Jul 2025371 AMAQI
29th Jul 2025352 AMAQI
29th Jul 2025363 AMAQI
29th Jul 2025344 AMAQI
23°C23/24°C
29th Jul 2025335 AMAQI
29th Jul 2025326 AMAQI
29th Jul 2025427 AMAQI
29th Jul 2025318 AMAQI
29th Jul 2025249 AMAQI
29th Jul 20253310 AMAQI
29th Jul 20252911 AMAQI
29th Jul 20252812 PMAQI
29th Jul 2025301 PMAQI
29th Jul 2025302 PMAQI
29th Jul 2025243 PMAQI
29th Jul 2025284 PMAQI
29th Jul 2025265 PMAQI
29th Jul 2025326 PMAQI
29th Jul 2025347 PMAQI
29th Jul 2025358 PMAQI
29th Jul 2025369 PMAQI
29th Jul 20253610 PMAQI
29th Jul 20253511 PMAQI
30th Jul 20253812 AMAQI
30th Jul 2025401 AMAQI
30th Jul 2025392 AMAQI
30th Jul 2025403 AMAQI
30th Jul 2025384 AMAQI
25°C23/29°C
30th Jul 2025395 AMAQI
30th Jul 2025376 AMAQI
30th Jul 2025347 AMAQI
30th Jul 2025328 AMAQI
30th Jul 2025329 AMAQI
30th Jul 20252810 AMAQI
30th Jul 20253111 AMAQI
30th Jul 20253012 PMAQI
30th Jul 2025301 PMAQI
30th Jul 2025322 PMAQI
30th Jul 2025303 PMAQI
30th Jul 2025344 PMAQI
30th Jul 2025365 PMAQI
30th Jul 2025386 PMAQI
30th Jul 2025377 PMAQI
30th Jul 2025408 PMAQI
30th Jul 2025429 PMAQI
30th Jul 20254210 PMAQI
30th Jul 20253711 PMAQI
31st Jul 20253812 AMAQI
31st Jul 2025421 AMAQI
31st Jul 2025402 AMAQI
31st Jul 2025403 AMAQI
31st Jul 2025404 AMAQI
26°C23/32°C
31st Jul 2025405 AMAQI
31st Jul 2025406 AMAQI
31st Jul 2025407 AMAQI
31st Jul 2025408 AMAQI
31st Jul 2025459 AMAQI
31st Jul 20255210 AMAQI
31st Jul 20254811 AMAQI
31st Jul 20255412 PMAQI
31st Jul 2025501 PMAQI
31st Jul 2025522 PMAQI
31st Jul 2025503 PMAQI
31st Jul 2025504 PMAQI
31st Jul 2025545 PMAQI
31st Jul 2025516 PMAQI
31st Jul 2025567 PMAQI
31st Jul 2025588 PMAQI
31st Jul 2025619 PMAQI
31st Jul 20255910 PMAQI
31st Jul 20255711 PMAQI
1st Aug 20255612 AMAQI
1st Aug 2025561 AMAQI
1st Aug 2025542 AMAQI
1st Aug 2025553 AMAQI
1st Aug 2025544 AMAQI
26°C23/32°C
1st Aug 2025545 AMAQI
1st Aug 2025546 AMAQI
1st Aug 2025637 AMAQI
1st Aug 2025628 AMAQI
1st Aug 2025569 AMAQI
1st Aug 20255910 AMAQI
1st Aug 20255911 AMAQI
1st Aug 20256412 PMAQI
1st Aug 2025611 PMAQI
1st Aug 2025532 PMAQI
1st Aug 2025503 PMAQI
1st Aug 2025504 PMAQI
1st Aug 2025545 PMAQI
1st Aug 2025606 PMAQI
1st Aug 2025617 PMAQI
1st Aug 2025578 PMAQI
1st Aug 2025569 PMAQI
1st Aug 20255910 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
25°C23/30°C
2nd Aug 2025565 AMAQI
2nd Aug 2025566 AMAQI
2nd Aug 2025567 AMAQI
2nd Aug 2025528 AMAQI
2nd Aug 2025539 AMAQI
2nd Aug 20255010 AMAQI
2nd Aug 20255611 AMAQI
2nd Aug 20255212 PMAQI
2nd Aug 2025411 PMAQI
2nd Aug 2025462 PMAQI
2nd Aug 2025443 PMAQI
2nd Aug 2025414 PMAQI
2nd Aug 2025485 PMAQI
2nd Aug 2025486 PMAQI
2nd Aug 2025537 PMAQI
2nd Aug 2025538 PMAQI
2nd Aug 2025569 PMAQI
2nd Aug 20255110 PMAQI
2nd Aug 20255111 PMAQI
3rd Aug 20255512 AMAQI
3rd Aug 2025561 AMAQI
3rd Aug 2025562 AMAQI
3rd Aug 2025553 AMAQI
3rd Aug 2025554 AMAQI
26°C23/32°C
3rd Aug 2025565 AMAQI
3rd Aug 2025566 AMAQI
3rd Aug 2025547 AMAQI
3rd Aug 2025548 AMAQI
3rd Aug 2025549 AMAQI
3rd Aug 20256110 AMAQI
3rd Aug 20255911 AMAQI
3rd Aug 20254812 PMAQI
3rd Aug 2025511 PMAQI
3rd Aug 2025502 PMAQI
3rd Aug 2025503 PMAQI
3rd Aug 2025474 PMAQI
3rd Aug 2025485 PMAQI
3rd Aug 2025506 PMAQI
3rd Aug 2025557 PMAQI
3rd Aug 2025588 PMAQI
3rd Aug 2025589 PMAQI
3rd Aug 20255510 PMAQI
3rd Aug 20255811 PMAQI
4th Aug 20255612 AMAQI
4th Aug 2025551 AMAQI
4th Aug 2025552 AMAQI
4th Aug 2025553 AMAQI
4th Aug 2025554 AMAQI
27°C23/33°C
4th Aug 2025565 AMAQI
4th Aug 2025546 AMAQI
4th Aug 2025547 AMAQI
4th Aug 2025578 AMAQI
4th Aug 2025559 AMAQI
4th Aug 20255710 AMAQI
4th Aug 20255711 AMAQI
4th Aug 20255512 PMAQI
4th Aug 2025581 PMAQI
4th Aug 2025522 PMAQI
4th Aug 2025633 PMAQI
4th Aug 2025554 PMAQI
4th Aug 2025575 PMAQI
4th Aug 2025566 PMAQI
4th Aug 2025587 PMAQI
4th Aug 2025598 PMAQI
4th Aug 2025599 PMAQI
4th Aug 20255910 PMAQI
4th Aug 20255711 PMAQI
5th Aug 20255412 AMAQI
5th Aug 2025531 AMAQI
5th Aug 2025552 AMAQI
5th Aug 2025553 AMAQI
5th Aug 2025544 AMAQI
26°C23/31°C
5th Aug 2025555 AMAQI
5th Aug 2025556 AMAQI
5th Aug 2025577 AMAQI
5th Aug 2025588 AMAQI
5th Aug 2025569 AMAQI
5th Aug 20256610 AMAQI
5th Aug 20254711 AMAQI
5th Aug 20254812 PMAQI
5th Aug 2025491 PMAQI
5th Aug 2025462 PMAQI
5th Aug 2025483 PMAQI
5th Aug 2025464 PMAQI
5th Aug 2025455 PMAQI
5th Aug 2025536 PMAQI
5th Aug 2025557 PMAQI
5th Aug 2025558 PMAQI
5th Aug 2025549 PMAQI
5th Aug 20255210 PMAQI
5th Aug 20255411 PMAQI
6th Aug 20255412 AMAQI
6th Aug 2025551 AMAQI
6th Aug 2025552 AMAQI
6th Aug 2025553 AMAQI
6th Aug 2025554 AMAQI
25°C23/29°C
6th Aug 2025555 AMAQI
6th Aug 2025546 AMAQI
6th Aug 2025407 AMAQI
6th Aug 2025468 AMAQI
6th Aug 2025489 AMAQI
6th Aug 20255110 AMAQI
6th Aug 20254511 AMAQI
6th Aug 20254412 PMAQI
6th Aug 2025421 PMAQI
6th Aug 2025322 PMAQI
6th Aug 2025303 PMAQI
6th Aug 2025394 PMAQI
6th Aug 2025355 PMAQI
6th Aug 2025436 PMAQI
6th Aug 2025467 PMAQI
6th Aug 2025488 PMAQI
6th Aug 2025479 PMAQI
6th Aug 20255210 PMAQI
6th Aug 20254711 PMAQI
7th Aug 20255112 AMAQI
7th Aug 2025551 AMAQI
7th Aug 2025542 AMAQI
7th Aug 2025533 AMAQI
7th Aug 2025544 AMAQI
24°C22/28°C
7th Aug 2025545 AMAQI
7th Aug 2025546 AMAQI
7th Aug 2025347 AMAQI
7th Aug 2025498 AMAQI
7th Aug 2025589 AMAQI
7th Aug 20255710 AMAQI
7th Aug 20255011 AMAQI
7th Aug 20253012 PMAQI
7th Aug 2025261 PMAQI
7th Aug 2025242 PMAQI
7th Aug 2025243 PMAQI
7th Aug 2025214 PMAQI
7th Aug 2025195 PMAQI
7th Aug 2025186 PMAQI
7th Aug 2025237 PMAQI
7th Aug 2025258 PMAQI
7th Aug 2025249 PMAQI
7th Aug 20252510 PMAQI
7th Aug 20252211 PMAQI
8th Aug 20253012 AMAQI
8th Aug 2025521 AMAQI
8th Aug 2025522 AMAQI
8th Aug 2025513 AMAQI
8th Aug 2025514 AMAQI
24°C22/28°C
8th Aug 2025515 AMAQI
8th Aug 2025526 AMAQI
8th Aug 2025277 AMAQI
8th Aug 2025198 AMAQI
8th Aug 2025189 AMAQI
8th Aug 20251810 AMAQI
8th Aug 20252211 AMAQI
8th Aug 20252512 PMAQI
8th Aug 2025181 PMAQI
8th Aug 2025172 PMAQI
8th Aug 2025173 PMAQI
8th Aug 2025184 PMAQI
8th Aug 2025205 PMAQI
8th Aug 2025176 PMAQI
8th Aug 2025247 PMAQI
8th Aug 2025268 PMAQI
8th Aug 2025309 PMAQI
8th Aug 20252410 PMAQI
8th Aug 20252111 PMAQI
9th Aug 20252612 AMAQI
9th Aug 2025401 AMAQI
9th Aug 2025422 AMAQI
9th Aug 2025383 AMAQI
9th Aug 2025384 AMAQI
25°C22/29°C
9th Aug 2025385 AMAQI
9th Aug 2025376 AMAQI
9th Aug 2025207 AMAQI
9th Aug 2025198 AMAQI
9th Aug 2025179 AMAQI
9th Aug 20252510 AMAQI
9th Aug 20251811 AMAQI
9th Aug 20252012 PMAQI
9th Aug 2025171 PMAQI
9th Aug 2025172 PMAQI
9th Aug 2025163 PMAQI
9th Aug 2025154 PMAQI
9th Aug 2025165 PMAQI
9th Aug 2025176 PMAQI
9th Aug 2025207 PMAQI
9th Aug 2025248 PMAQI
9th Aug 2025309 PMAQI
9th Aug 20252410 PMAQI
9th Aug 20252011 PMAQI
10th Aug 20252412 AMAQI
10th Aug 2025341 AMAQI
10th Aug 2025342 AMAQI
10th Aug 2025313 AMAQI
10th Aug 2025314 AMAQI
25°C22/31°C
10th Aug 2025315 AMAQI
10th Aug 2025306 AMAQI
10th Aug 2025277 AMAQI
10th Aug 2025308 AMAQI
10th Aug 2025319 AMAQI
10th Aug 20252510 AMAQI
10th Aug 20252411 AMAQI
10th Aug 20252012 PMAQI
10th Aug 2025161 PMAQI
10th Aug 2025162 PMAQI
10th Aug 2025163 PMAQI
10th Aug 2025164 PMAQI
10th Aug 2025175 PMAQI
10th Aug 2025206 PMAQI
10th Aug 2025277 PMAQI
10th Aug 2025388 PMAQI
10th Aug 2025399 PMAQI
10th Aug 20253110 PMAQI
10th Aug 20253411 PMAQI
11th Aug 20252812 AMAQI
11th Aug 2025321 AMAQI
11th Aug 2025312 AMAQI
11th Aug 2025313 AMAQI
11th Aug 2025294 AMAQI
26°C22/32°C
11th Aug 2025305 AMAQI
11th Aug 2025306 AMAQI
11th Aug 2025257 AMAQI
11th Aug 2025248 AMAQI
11th Aug 2025229 AMAQI
11th Aug 20251910 AMAQI
11th Aug 20252111 AMAQI
11th Aug 20251912 PMAQI
11th Aug 2025441 PMAQI
11th Aug 2025492 PMAQI
11th Aug 2025453 PMAQI
11th Aug 2025474 PMAQI
11th Aug 2025405 PMAQI
11th Aug 2025486 PMAQI
11th Aug 2025467 PMAQI
11th Aug 2025458 PMAQI
11th Aug 2025509 PMAQI
11th Aug 20254910 PMAQI
11th Aug 20255011 PMAQI
12th Aug 20254512 AMAQI
12th Aug 2025461 AMAQI
12th Aug 2025472 AMAQI
12th Aug 2025483 AMAQI
12th Aug 2025484 AMAQI
26°C22/32°C
12th Aug 2025475 AMAQI
12th Aug 2025466 AMAQI
12th Aug 2025487 AMAQI
12th Aug 2025488 AMAQI
12th Aug 2025489 AMAQI
12th Aug 20255410 AMAQI
12th Aug 20255411 AMAQI
12th Aug 20255012 PMAQI
12th Aug 2025501 PMAQI
12th Aug 2025502 PMAQI
12th Aug 2025453 PMAQI
12th Aug 2025354 PMAQI
12th Aug 2025455 PMAQI
12th Aug 2025466 PMAQI
12th Aug 2025507 PMAQI
12th Aug 2025508 PMAQI
12th Aug 2025549 PMAQI
12th Aug 20255310 PMAQI
12th Aug 20255211 PMAQI
13th Aug 20254612 AMAQI
13th Aug 2025471 AMAQI
13th Aug 2025492 AMAQI
13th Aug 2025483 AMAQI
13th Aug 2025484 AMAQI
25°C22/30°C
13th Aug 2025495 AMAQI
13th Aug 2025496 AMAQI
13th Aug 2025587 AMAQI
13th Aug 2025538 AMAQI
13th Aug 2025569 AMAQI
13th Aug 20255310 AMAQI
13th Aug 20255011 AMAQI
13th Aug 20254912 PMAQI
13th Aug 2025381 PMAQI
13th Aug 2025382 PMAQI
13th Aug 2025453 PMAQI
13th Aug 2025484 PMAQI
13th Aug 2025385 PMAQI
13th Aug 2025456 PMAQI
13th Aug 2025567 PMAQI
13th Aug 2025568 PMAQI
13th Aug 2025579 PMAQI
13th Aug 20255810 PMAQI
13th Aug 20255611 PMAQI
14th Aug 20255112 AMAQI
14th Aug 2025521 AMAQI
14th Aug 2025512 AMAQI
14th Aug 2025503 AMAQI
14th Aug 2025504 AMAQI
25°C22/30°C
14th Aug 2025505 AMAQI
14th Aug 2025516 AMAQI
14th Aug 2025597 AMAQI
14th Aug 2025598 AMAQI
14th Aug 2025539 AMAQI
14th Aug 20255510 AMAQI
14th Aug 20255111 AMAQI
14th Aug 20254812 PMAQI
14th Aug 2025461 PMAQI
14th Aug 2025492 PMAQI
14th Aug 2025393 PMAQI
14th Aug 2025404 PMAQI
14th Aug 2025495 PMAQI
14th Aug 2025486 PMAQI
14th Aug 2025517 PMAQI
14th Aug 2025568 PMAQI
14th Aug 2025549 PMAQI
14th Aug 20255510 PMAQI
14th Aug 20255411 PMAQI
15th Aug 20255212 AMAQI
15th Aug 2025551 AMAQI
15th Aug 2025522 AMAQI
15th Aug 2025523 AMAQI
15th Aug 2025524 AMAQI
25°C21/32°C
15th Aug 2025525 AMAQI
15th Aug 2025526 AMAQI
15th Aug 2025487 AMAQI
15th Aug 2025478 AMAQI
15th Aug 2025459 AMAQI
15th Aug 20254810 AMAQI
15th Aug 20254011 AMAQI
15th Aug 20254312 PMAQI
15th Aug 2025391 PMAQI
15th Aug 2025302 PMAQI
15th Aug 2025343 PMAQI
15th Aug 2025394 PMAQI
15th Aug 2025415 PMAQI
15th Aug 2025446 PMAQI
15th Aug 2025527 PMAQI
15th Aug 2025558 PMAQI
15th Aug 2025549 PMAQI
15th Aug 20255310 PMAQI
15th Aug 20255211 PMAQI
16th Aug 20255112 AMAQI
16th Aug 2025521 AMAQI
16th Aug 2025532 AMAQI
16th Aug 2025523 AMAQI
16th Aug 2025534 AMAQI
24°C21/29°C
16th Aug 2025525 AMAQI
5 AM16th Aug 2025526 AMAQI
16th Aug 2025437 AMAQI
16th Aug 2025428 AMAQI
16th Aug 2025349 AMAQI
16th Aug 20254110 AMAQI
16th Aug 20254411 AMAQI
11 AM16th Aug 20253912 PMAQI
16th Aug 2025311 PMAQI
16th Aug 2025312 PMAQI
16th Aug 2025303 PMAQI
16th Aug 2025284 PMAQI
16th Aug 2025365 PMAQI
16th Aug 2025416 PMAQI
6 PM16th Aug 2025477 PMAQI
16th Aug 2025468 PMAQI
11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 6 AM
45AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
1 PM - 5 PM
34AQI
5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 6 AM (Avg. 45), while the lowest AQI was between 1 PM to 5 PM (Avg. 34).
Night time
Avg. Highest Time
12 AM - 4 AM
45AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
7 PM - 11 PM
43AQI
5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 4 AM (Avg. 45), while the lowest AQI was between 7 PM to 11 PM (Avg. 43).
2025 Days Vs Air Quality
1173, Chiang Rai, Chiang Rai, Thailand
2025
36%
81
30%
68
29%
65
6%
13
Total number of days with different AQI categories in last 228 days in 2025 (137 days remaining)
Good
81 DaysModerate
68 DaysPoor
65 DaysUnhealthy
13 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 36%
Health Risk Level:
High
In 2025, 36% of 228 days were within WHO’s safe air quality limits. The risk of health issues is High, with respiratory problems, heart disease, skin issues, and stress being more common, particularly among children and the elderly.
Annual Air Quality Insights
1173, Chiang Rai, 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
86AQI
86AQI
2nd January 2025
84AQI
84AQI
3rd January 2025
77AQI
77AQI
4th January 2025
83AQI
83AQI
5th January 2025
93AQI
93AQI
6th January 2025
110AQI
110AQI
7th January 2025
111AQI
111AQI
8th January 2025
111AQI
111AQI
9th January 2025
116AQI
116AQI
10th January 2025
110AQI
110AQI
11th January 2025
103AQI
103AQI
12th January 2025
91AQI
91AQI
13th January 2025
90AQI
90AQI
14th January 2025
97AQI
97AQI
15th January 2025
104AQI
104AQI
16th January 2025
96AQI
96AQI
17th January 2025
92AQI
92AQI
18th January 2025
95AQI
95AQI
19th January 2025
99AQI
99AQI
20th January 2025
108AQI
108AQI
21st January 2025
117AQI
117AQI
22nd January 2025
124AQI
124AQI
23rd January 2025
120AQI
120AQI
24th January 2025
113AQI
113AQI
25th January 2025
104AQI
104AQI
26th January 2025
105AQI
105AQI
27th January 2025
74AQI
74AQI
28th January 2025
81AQI
81AQI
29th January 2025
95AQI
95AQI
30th January 2025
110AQI
110AQI
31st January 2025
104AQI
104AQI
1st February 2025
103AQI
103AQI
2nd February 2025
107AQI
107AQI
3rd February 2025
106AQI
106AQI
4th February 2025
113AQI
113AQI
5th February 2025
113AQI
113AQI
6th February 2025
111AQI
111AQI
7th February 2025
108AQI
108AQI
8th February 2025
106AQI
106AQI
9th February 2025
87AQI
87AQI
10th February 2025
101AQI
101AQI
11th February 2025
105AQI
105AQI
12th February 2025
108AQI
108AQI
13th February 2025
107AQI
107AQI
14th February 2025
104AQI
104AQI
15th February 2025
101AQI
101AQI
16th February 2025
126AQI
126AQI
17th February 2025
122AQI
122AQI
18th February 2025
126AQI
126AQI
19th February 2025
117AQI
117AQI
20th February 2025
113AQI
113AQI
21st February 2025
108AQI
108AQI
22nd February 2025
104AQI
104AQI
23rd February 2025
96AQI
96AQI
24th February 2025
74AQI
74AQI
25th February 2025
65AQI
65AQI
26th February 2025
58AQI
58AQI
27th February 2025
63AQI
63AQI
28th February 2025
71AQI
71AQI
1st March 2025
71AQI
71AQI
2nd March 2025
81AQI
81AQI
3rd March 2025
94AQI
94AQI
4th March 2025
114AQI
114AQI
5th March 2025
129AQI
129AQI
6th March 2025
127AQI
127AQI
7th March 2025
138AQI
138AQI
8th March 2025
116AQI
116AQI
9th March 2025
108AQI
108AQI
10th March 2025
98AQI
98AQI
11th March 2025
107AQI
107AQI
12th March 2025
116AQI
116AQI
13th March 2025
101AQI
101AQI
14th March 2025
111AQI
111AQI
15th March 2025
133AQI
133AQI
16th March 2025
129AQI
129AQI
17th March 2025
144AQI
144AQI
18th March 2025
130AQI
130AQI
19th March 2025
83AQI
83AQI
20th March 2025
91AQI
91AQI
21st March 2025
102AQI
102AQI
22nd March 2025
128AQI
128AQI
23rd March 2025
138AQI
138AQI
24th March 2025
152AQI
152AQI
25th March 2025
157AQI
157AQI
26th March 2025
157AQI
157AQI
27th March 2025
158AQI
158AQI
28th March 2025
165AQI
165AQI
29th March 2025
164AQI
164AQI
30th March 2025
165AQI
165AQI
31st March 2025
159AQI
159AQI
1st April 2025
152AQI
152AQI
2nd April 2025
151AQI
151AQI
3rd April 2025
151AQI
151AQI
4th April 2025
153AQI
153AQI
5th April 2025
152AQI
152AQI
6th April 2025
146AQI
146AQI
7th April 2025
115AQI
115AQI
8th April 2025
113AQI
113AQI
9th April 2025
139AQI
139AQI
10th April 2025
136AQI
136AQI
11th April 2025
138AQI
138AQI
12th April 2025
110AQI
110AQI
13th April 2025
80AQI
80AQI
14th April 2025
60AQI
60AQI
15th April 2025
59AQI
59AQI
16th April 2025
56AQI
56AQI
17th April 2025
56AQI
56AQI
18th April 2025
55AQI
55AQI
19th April 2025
59AQI
59AQI
20th April 2025
60AQI
60AQI
21st April 2025
65AQI
65AQI
22nd April 2025
85AQI
85AQI
23rd April 2025
88AQI
88AQI
24th April 2025
101AQI
101AQI
25th April 2025
108AQI
108AQI
26th April 2025
113AQI
113AQI
27th April 2025
109AQI
109AQI
28th April 2025
79AQI
79AQI
29th April 2025
73AQI
73AQI
30th April 2025
66AQI
66AQI
1st May 2025
60AQI
60AQI
2nd May 2025
60AQI
60AQI
3rd May 2025
54AQI
54AQI
4th May 2025
55AQI
55AQI
5th May 2025
64AQI
64AQI
6th May 2025
68AQI
68AQI
7th May 2025
81AQI
81AQI
8th May 2025
81AQI
81AQI
9th May 2025
69AQI
69AQI
10th May 2025
78AQI
78AQI
11th May 2025
77AQI
77AQI
12th May 2025
52AQI
52AQI
13th May 2025
53AQI
53AQI
14th May 2025
56AQI
56AQI
15th May 2025
35AQI
35AQI
16th May 2025
36AQI
36AQI
17th May 2025
44AQI
44AQI
18th May 2025
33AQI
33AQI
19th May 2025
34AQI
34AQI
20th May 2025
40AQI
40AQI
21st May 2025
48AQI
48AQI
22nd May 2025
53AQI
53AQI
23rd May 2025
48AQI
48AQI
24th May 2025
36AQI
36AQI
25th May 2025
34AQI
34AQI
26th May 2025
34AQI
34AQI
27th May 2025
39AQI
39AQI
28th May 2025
31AQI
31AQI
29th May 2025
34AQI
34AQI
30th May 2025
34AQI
34AQI
31st May 2025
33AQI
33AQI
1st June 2025
34AQI
34AQI
2nd June 2025
32AQI
32AQI
3rd June 2025
35AQI
35AQI
4th June 2025
50AQI
50AQI
5th June 2025
65AQI
65AQI
6th June 2025
69AQI
69AQI
7th June 2025
62AQI
62AQI
8th June 2025
57AQI
57AQI
9th June 2025
54AQI
54AQI
10th June 2025
39AQI
39AQI
11th June 2025
37AQI
37AQI
12th June 2025
33AQI
33AQI
13th June 2025
40AQI
40AQI
14th June 2025
40AQI
40AQI
15th June 2025
36AQI
36AQI
16th June 2025
32AQI
32AQI
17th June 2025
35AQI
35AQI
18th June 2025
34AQI
34AQI
19th June 2025
33AQI
33AQI
20th June 2025
36AQI
36AQI
21st June 2025
40AQI
40AQI
22nd June 2025
48AQI
48AQI
23rd June 2025
40AQI
40AQI
24th June 2025
40AQI
40AQI
25th June 2025
40AQI
40AQI
26th June 2025
42AQI
42AQI
27th June 2025
40AQI
40AQI
28th June 2025
38AQI
38AQI
29th June 2025
39AQI
39AQI
30th June 2025
40AQI
40AQI
1st July 2025
45AQI
45AQI
2nd July 2025
38AQI
38AQI
3rd July 2025
44AQI
44AQI
4th July 2025
38AQI
38AQI
5th July 2025
37AQI
37AQI
6th July 2025
34AQI
34AQI
7th July 2025
32AQI
32AQI
8th July 2025
34AQI
34AQI
9th July 2025
40AQI
40AQI
10th July 2025
42AQI
42AQI
11th July 2025
39AQI
39AQI
12th July 2025
35AQI
35AQI
13th July 2025
35AQI
35AQI
14th July 2025
32AQI
32AQI
15th July 2025
36AQI
36AQI
16th July 2025
39AQI
39AQI
17th July 2025
39AQI
39AQI
18th July 2025
37AQI
37AQI
19th July 2025
37AQI
37AQI
20th July 2025
39AQI
39AQI
21st July 2025
42AQI
42AQI
22nd July 2025
43AQI
43AQI
23rd July 2025
39AQI
39AQI
24th July 2025
33AQI
33AQI
25th July 2025
33AQI
33AQI
26th July 2025
34AQI
34AQI
27th July 2025
34AQI
34AQI
28th July 2025
33AQI
33AQI
29th July 2025
34AQI
34AQI
30th July 2025
36AQI
36AQI
31st July 2025
47AQI
47AQI
1st August 2025
57AQI
57AQI
2nd August 2025
54AQI
54AQI
3rd August 2025
53AQI
53AQI
4th August 2025
56AQI
56AQI
5th August 2025
53AQI
53AQI
6th August 2025
48AQI
48AQI
7th August 2025
38AQI
38AQI
8th August 2025
29AQI
29AQI
9th August 2025
26AQI
26AQI
10th August 2025
26AQI
26AQI
11th August 2025
35AQI
35AQI
12th August 2025
47AQI
47AQI
13th August 2025
50AQI
50AQI
14th August 2025
52AQI
52AQI
15th August 2025
49AQI
49AQI
100AQI
101AQI
125AQI
101AQI
50AQI
42AQI
37AQI
45AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202577AQI
15
16
7
21
6
17
8
14
11
5
16
15
25
5
31
9
6
81
68
65
13
Highest AQI recorded in
March125AQI
Lowest AQI recorded in
July37AQI
202462AQI
2
15
1
1
1
8
4
17
2
30
31
28
3
6
7
5
25
1
30
112
68
34
3
Highest AQI recorded in
April165AQI
Lowest AQI recorded in
July32AQI
2023148AQI
6
24
1
2
4
14
1
9
11
6
2
10
11
9
1
1
3
5
26
14
77
37
16
2
Highest AQI recorded in
March194AQI
Lowest AQI recorded in
May84AQI
202296AQI
3
2
17
3
4
19
2
24
22
Highest AQI recorded in
December111AQI
Lowest AQI recorded in
November80AQI
Most & Least Polluted Years Over the Last 4 Years
Most Polluted Year Recorded
2023(Avg.)
148AQILeast Polluted Year Recorded
2024(Avg.)
62AQI1173's annual 2025 AQI (77) shows an average percentage change of -14.6% (improved AQI) compared to previous years: 2022 (96), 2023 (148), 2024 (62).
