Chiang Dao Public Heath Office, Ban Piang Luang, Chiang Mai, 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 Dao Public Heath Office, Ban Piang Luang, Chiang Mai, Thailand
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
1st Aug 2025
56AQILowest AQI recorded on
5th Aug 2024
42AQISame Day Analysis (4th August ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 1st highest AQI at 54 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Chiang Dao Public Heath Office, Ban Piang Luang, Chiang Mai, Thailand
AQI
Day
Night
.
5 AM4th Aug 2025
7 PM
4 AM5th Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
10PM4th Aug
60AQI
Avg. Lowest Time
2PM4th Aug
50AQI
In the last 24 hours,
Chiang Dao Public Heath Office's AQI reached its highest point of 60 at 10 PM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Chiang Dao Public Heath Office, Ban Piang Luang, Chiang Mai, Thailand
JulAug
06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th
Day
Night
6th Jul 2025565 AMAQI
6th Jul 2025546 AMAQI
6th Jul 2025487 AMAQI
6th Jul 2025428 AMAQI
6th Jul 2025459 AMAQI
6th Jul 20253810 AMAQI
6th Jul 20254211 AMAQI
6th Jul 20255012 PMAQI
6th Jul 2025471 PMAQI
6th Jul 2025462 PMAQI
6th Jul 2025493 PMAQI
6th Jul 2025514 PMAQI
6th Jul 2025505 PMAQI
6th Jul 2025486 PMAQI
6th Jul 2025487 PMAQI
6th Jul 2025508 PMAQI
6th Jul 2025499 PMAQI
6th Jul 20255110 PMAQI
6th Jul 20255011 PMAQI
7th Jul 20254812 AMAQI
7th Jul 2025491 AMAQI
7th Jul 2025492 AMAQI
7th Jul 2025463 AMAQI
7th Jul 2025484 AMAQI
22°C19/28°C
7th Jul 2025485 AMAQI
7th Jul 2025466 AMAQI
7th Jul 2025387 AMAQI
7th Jul 2025378 AMAQI
7th Jul 2025409 AMAQI
7th Jul 20254210 AMAQI
7th Jul 20254211 AMAQI
7th Jul 20253612 PMAQI
7th Jul 2025341 PMAQI
7th Jul 2025382 PMAQI
7th Jul 2025393 PMAQI
7th Jul 2025404 PMAQI
7th Jul 2025385 PMAQI
7th Jul 2025436 PMAQI
7th Jul 2025507 PMAQI
7th Jul 2025518 PMAQI
7th Jul 2025529 PMAQI
7th Jul 20255310 PMAQI
7th Jul 20255211 PMAQI
8th Jul 20255112 AMAQI
8th Jul 2025481 AMAQI
8th Jul 2025482 AMAQI
8th Jul 2025503 AMAQI
8th Jul 2025504 AMAQI
22°C19/28°C
8th Jul 2025495 AMAQI
8th Jul 2025496 AMAQI
8th Jul 2025367 AMAQI
8th Jul 2025428 AMAQI
8th Jul 2025429 AMAQI
8th Jul 20254610 AMAQI
8th Jul 20254811 AMAQI
8th Jul 20255212 PMAQI
8th Jul 2025511 PMAQI
8th Jul 2025512 PMAQI
8th Jul 2025543 PMAQI
8th Jul 2025514 PMAQI
8th Jul 2025505 PMAQI
8th Jul 2025496 PMAQI
8th Jul 2025527 PMAQI
8th Jul 2025528 PMAQI
8th Jul 2025549 PMAQI
8th Jul 20255610 PMAQI
8th Jul 20255411 PMAQI
9th Jul 20255412 AMAQI
9th Jul 2025491 AMAQI
9th Jul 2025462 AMAQI
9th Jul 2025443 AMAQI
9th Jul 2025454 AMAQI
23°C19/30°C
9th Jul 2025495 AMAQI
9th Jul 2025486 AMAQI
9th Jul 2025507 AMAQI
9th Jul 2025538 AMAQI
9th Jul 2025529 AMAQI
9th Jul 20255310 AMAQI
9th Jul 20255211 AMAQI
9th Jul 20254812 PMAQI
9th Jul 2025511 PMAQI
9th Jul 2025532 PMAQI
9th Jul 2025513 PMAQI
9th Jul 2025544 PMAQI
9th Jul 2025535 PMAQI
9th Jul 2025556 PMAQI
9th Jul 2025547 PMAQI
9th Jul 2025568 PMAQI
9th Jul 2025559 PMAQI
9th Jul 20255510 PMAQI
9th Jul 20255411 PMAQI
10th Jul 20255012 AMAQI
10th Jul 2025501 AMAQI
10th Jul 2025502 AMAQI
10th Jul 2025523 AMAQI
10th Jul 2025524 AMAQI
23°C19/29°C
10th Jul 2025525 AMAQI
10th Jul 2025526 AMAQI
10th Jul 2025467 AMAQI
10th Jul 2025518 AMAQI
10th Jul 2025489 AMAQI
10th Jul 20255510 AMAQI
10th Jul 20255611 AMAQI
10th Jul 20255912 PMAQI
10th Jul 2025561 PMAQI
10th Jul 2025492 PMAQI
10th Jul 2025563 PMAQI
10th Jul 2025554 PMAQI
10th Jul 2025555 PMAQI
10th Jul 2025556 PMAQI
10th Jul 2025547 PMAQI
10th Jul 2025418 PMAQI
10th Jul 2025449 PMAQI
10th Jul 20254010 PMAQI
10th Jul 20254611 PMAQI
11th Jul 20255112 AMAQI
11th Jul 2025501 AMAQI
11th Jul 2025492 AMAQI
11th Jul 2025513 AMAQI
11th Jul 2025514 AMAQI
22°C19/27°C
11th Jul 2025515 AMAQI
11th Jul 2025506 AMAQI
11th Jul 2025487 AMAQI
11th Jul 2025468 AMAQI
11th Jul 2025499 AMAQI
11th Jul 20255310 AMAQI
11th Jul 20255011 AMAQI
11th Jul 20255312 PMAQI
11th Jul 2025501 PMAQI
11th Jul 2025522 PMAQI
11th Jul 2025543 PMAQI
11th Jul 2025564 PMAQI
11th Jul 2025525 PMAQI
11th Jul 2025476 PMAQI
11th Jul 2025337 PMAQI
11th Jul 2025368 PMAQI
11th Jul 2025369 PMAQI
11th Jul 20254910 PMAQI
11th Jul 20254811 PMAQI
12th Jul 20255212 AMAQI
12th Jul 2025511 AMAQI
12th Jul 2025502 AMAQI
12th Jul 2025503 AMAQI
12th Jul 2025504 AMAQI
21°C19/24°C
12th Jul 2025515 AMAQI
12th Jul 2025496 AMAQI
12th Jul 2025427 AMAQI
12th Jul 2025468 AMAQI
12th Jul 2025459 AMAQI
12th Jul 20254810 AMAQI
12th Jul 20255011 AMAQI
12th Jul 20254812 PMAQI
12th Jul 2025481 PMAQI
12th Jul 2025482 PMAQI
12th Jul 2025453 PMAQI
12th Jul 2025484 PMAQI
12th Jul 2025495 PMAQI
12th Jul 2025526 PMAQI
12th Jul 2025507 PMAQI
12th Jul 2025498 PMAQI
12th Jul 2025539 PMAQI
12th Jul 20255210 PMAQI
12th Jul 20255111 PMAQI
13th Jul 20254412 AMAQI
13th Jul 2025501 AMAQI
13th Jul 2025482 AMAQI
13th Jul 2025463 AMAQI
13th Jul 2025464 AMAQI
22°C20/25°C
13th Jul 2025475 AMAQI
13th Jul 2025446 AMAQI
13th Jul 2025447 AMAQI
13th Jul 2025368 AMAQI
13th Jul 2025389 AMAQI
13th Jul 20254010 AMAQI
13th Jul 20254411 AMAQI
13th Jul 20254512 PMAQI
13th Jul 2025471 PMAQI
13th Jul 2025502 PMAQI
13th Jul 2025493 PMAQI
13th Jul 2025464 PMAQI
13th Jul 2025455 PMAQI
13th Jul 2025446 PMAQI
13th Jul 2025507 PMAQI
13th Jul 2025528 PMAQI
13th Jul 2025529 PMAQI
13th Jul 20255310 PMAQI
13th Jul 20255011 PMAQI
14th Jul 20254612 AMAQI
14th Jul 2025461 AMAQI
14th Jul 2025442 AMAQI
14th Jul 2025483 AMAQI
14th Jul 2025484 AMAQI
23°C19/30°C
14th Jul 2025465 AMAQI
14th Jul 2025476 AMAQI
14th Jul 2025407 AMAQI
14th Jul 2025378 AMAQI
14th Jul 2025469 AMAQI
14th Jul 20254110 AMAQI
14th Jul 20254511 AMAQI
14th Jul 20254912 PMAQI
14th Jul 2025511 PMAQI
14th Jul 2025502 PMAQI
14th Jul 2025473 PMAQI
14th Jul 2025444 PMAQI
14th Jul 2025405 PMAQI
14th Jul 2025456 PMAQI
14th Jul 2025467 PMAQI
14th Jul 2025498 PMAQI
14th Jul 2025519 PMAQI
14th Jul 20255210 PMAQI
14th Jul 20255211 PMAQI
15th Jul 20255312 AMAQI
15th Jul 2025491 AMAQI
15th Jul 2025502 AMAQI
15th Jul 2025523 AMAQI
15th Jul 2025494 AMAQI
23°C20/29°C
15th Jul 2025505 AMAQI
15th Jul 2025486 AMAQI
15th Jul 2025367 AMAQI
15th Jul 2025418 AMAQI
15th Jul 2025399 AMAQI
15th Jul 20254210 AMAQI
15th Jul 20253611 AMAQI
15th Jul 20254312 PMAQI
15th Jul 2025431 PMAQI
15th Jul 2025422 PMAQI
15th Jul 2025353 PMAQI
15th Jul 2025354 PMAQI
15th Jul 2025365 PMAQI
15th Jul 2025426 PMAQI
15th Jul 2025487 PMAQI
15th Jul 2025498 PMAQI
15th Jul 2025469 PMAQI
15th Jul 20254710 PMAQI
15th Jul 20255011 PMAQI
16th Jul 20254812 AMAQI
16th Jul 2025481 AMAQI
16th Jul 2025512 AMAQI
16th Jul 2025493 AMAQI
16th Jul 2025484 AMAQI
22°C20/25°C
16th Jul 2025465 AMAQI
16th Jul 2025456 AMAQI
16th Jul 2025437 AMAQI
16th Jul 2025368 AMAQI
16th Jul 2025369 AMAQI
16th Jul 20254110 AMAQI
16th Jul 20254311 AMAQI
16th Jul 20254812 PMAQI
16th Jul 2025441 PMAQI
16th Jul 2025492 PMAQI
16th Jul 2025483 PMAQI
16th Jul 2025464 PMAQI
16th Jul 2025515 PMAQI
16th Jul 2025486 PMAQI
16th Jul 2025477 PMAQI
16th Jul 2025478 PMAQI
16th Jul 2025469 PMAQI
16th Jul 20255010 PMAQI
16th Jul 20254811 PMAQI
17th Jul 20254812 AMAQI
17th Jul 2025471 AMAQI
17th Jul 2025472 AMAQI
17th Jul 2025473 AMAQI
17th Jul 2025494 AMAQI
21°C19/23°C
17th Jul 2025485 AMAQI
17th Jul 2025466 AMAQI
17th Jul 2025487 AMAQI
17th Jul 2025428 AMAQI
17th Jul 2025459 AMAQI
17th Jul 20254610 AMAQI
17th Jul 20254811 AMAQI
17th Jul 20254912 PMAQI
17th Jul 2025481 PMAQI
17th Jul 2025422 PMAQI
17th Jul 2025403 PMAQI
17th Jul 2025364 PMAQI
17th Jul 2025395 PMAQI
17th Jul 2025376 PMAQI
17th Jul 2025437 PMAQI
17th Jul 2025428 PMAQI
17th Jul 2025489 PMAQI
17th Jul 20254510 PMAQI
17th Jul 20255311 PMAQI
18th Jul 20255212 AMAQI
18th Jul 2025481 AMAQI
18th Jul 2025462 AMAQI
18th Jul 2025473 AMAQI
18th Jul 2025464 AMAQI
21°C19/23°C
18th Jul 2025465 AMAQI
18th Jul 2025456 AMAQI
18th Jul 2025347 AMAQI
18th Jul 2025298 AMAQI
18th Jul 2025369 AMAQI
18th Jul 20253610 AMAQI
18th Jul 20254611 AMAQI
18th Jul 20254212 PMAQI
18th Jul 2025331 PMAQI
18th Jul 2025362 PMAQI
18th Jul 2025403 PMAQI
18th Jul 2025354 PMAQI
18th Jul 2025355 PMAQI
18th Jul 2025366 PMAQI
18th Jul 2025427 PMAQI
18th Jul 2025428 PMAQI
18th Jul 2025469 PMAQI
18th Jul 20254810 PMAQI
18th Jul 20254611 PMAQI
19th Jul 20254912 AMAQI
19th Jul 2025501 AMAQI
19th Jul 2025462 AMAQI
19th Jul 2025443 AMAQI
19th Jul 2025444 AMAQI
22°C19/28°C
19th Jul 2025435 AMAQI
19th Jul 2025446 AMAQI
19th Jul 2025347 AMAQI
19th Jul 2025338 AMAQI
19th Jul 2025329 AMAQI
19th Jul 20253710 AMAQI
19th Jul 20253511 AMAQI
19th Jul 20253712 PMAQI
19th Jul 2025351 PMAQI
19th Jul 2025352 PMAQI
19th Jul 2025343 PMAQI
19th Jul 2025324 PMAQI
19th Jul 2025365 PMAQI
19th Jul 2025376 PMAQI
19th Jul 2025367 PMAQI
19th Jul 2025388 PMAQI
19th Jul 2025389 PMAQI
19th Jul 20253810 PMAQI
19th Jul 20254411 PMAQI
20th Jul 20254512 AMAQI
20th Jul 2025511 AMAQI
20th Jul 2025472 AMAQI
20th Jul 2025453 AMAQI
20th Jul 2025454 AMAQI
23°C19/30°C
20th Jul 2025435 AMAQI
20th Jul 2025446 AMAQI
20th Jul 2025457 AMAQI
20th Jul 2025408 AMAQI
20th Jul 2025379 AMAQI
20th Jul 20253310 AMAQI
20th Jul 20253111 AMAQI
20th Jul 20253612 PMAQI
20th Jul 2025381 PMAQI
20th Jul 2025352 PMAQI
20th Jul 2025343 PMAQI
20th Jul 2025344 PMAQI
20th Jul 2025355 PMAQI
20th Jul 2025376 PMAQI
20th Jul 2025447 PMAQI
20th Jul 2025428 PMAQI
20th Jul 2025419 PMAQI
20th Jul 20254110 PMAQI
20th Jul 20254211 PMAQI
21st Jul 20254312 AMAQI
21st Jul 2025461 AMAQI
21st Jul 2025482 AMAQI
21st Jul 2025463 AMAQI
21st Jul 2025474 AMAQI
23°C19/30°C
21st Jul 2025465 AMAQI
21st Jul 2025456 AMAQI
21st Jul 2025427 AMAQI
21st Jul 2025488 AMAQI
21st Jul 2025479 AMAQI
21st Jul 20254410 AMAQI
21st Jul 20253911 AMAQI
21st Jul 20253912 PMAQI
21st Jul 2025361 PMAQI
21st Jul 2025402 PMAQI
21st Jul 2025383 PMAQI
21st Jul 2025394 PMAQI
21st Jul 2025405 PMAQI
21st Jul 2025396 PMAQI
21st Jul 2025447 PMAQI
21st Jul 2025488 PMAQI
21st Jul 2025469 PMAQI
21st Jul 20255410 PMAQI
21st Jul 20254511 PMAQI
22nd Jul 20254212 AMAQI
22nd Jul 2025491 AMAQI
22nd Jul 2025492 AMAQI
22nd Jul 2025483 AMAQI
22nd Jul 2025484 AMAQI
24°C18/31°C
22nd Jul 2025455 AMAQI
22nd Jul 2025466 AMAQI
22nd Jul 2025377 AMAQI
22nd Jul 2025408 AMAQI
22nd Jul 2025469 AMAQI
22nd Jul 20254510 AMAQI
22nd Jul 20255211 AMAQI
22nd Jul 20254712 PMAQI
22nd Jul 2025531 PMAQI
22nd Jul 2025542 PMAQI
22nd Jul 2025513 PMAQI
22nd Jul 2025484 PMAQI
22nd Jul 2025515 PMAQI
22nd Jul 2025566 PMAQI
22nd Jul 2025547 PMAQI
22nd Jul 2025508 PMAQI
22nd Jul 2025489 PMAQI
22nd Jul 20255310 PMAQI
22nd Jul 20255411 PMAQI
23rd Jul 20255212 AMAQI
23rd Jul 2025501 AMAQI
23rd Jul 2025452 AMAQI
23rd Jul 2025483 AMAQI
23rd Jul 2025484 AMAQI
21°C19/24°C
23rd Jul 2025485 AMAQI
23rd Jul 2025466 AMAQI
23rd Jul 2025377 AMAQI
23rd Jul 2025428 AMAQI
23rd Jul 2025419 AMAQI
23rd Jul 20253710 AMAQI
23rd Jul 20254011 AMAQI
23rd Jul 20254212 PMAQI
23rd Jul 2025441 PMAQI
23rd Jul 2025422 PMAQI
23rd Jul 2025363 PMAQI
23rd Jul 2025364 PMAQI
23rd Jul 2025345 PMAQI
23rd Jul 2025406 PMAQI
23rd Jul 2025467 PMAQI
23rd Jul 2025448 PMAQI
23rd Jul 2025439 PMAQI
23rd Jul 20254310 PMAQI
23rd Jul 20254311 PMAQI
24th Jul 20254412 AMAQI
24th Jul 2025471 AMAQI
24th Jul 2025452 AMAQI
24th Jul 2025463 AMAQI
24th Jul 2025474 AMAQI
21°C19/23°C
24th Jul 2025465 AMAQI
24th Jul 2025466 AMAQI
24th Jul 2025407 AMAQI
24th Jul 2025328 AMAQI
24th Jul 2025379 AMAQI
24th Jul 20253310 AMAQI
24th Jul 20253811 AMAQI
24th Jul 20253112 PMAQI
24th Jul 2025341 PMAQI
24th Jul 2025302 PMAQI
24th Jul 2025333 PMAQI
24th Jul 2025364 PMAQI
24th Jul 2025405 PMAQI
24th Jul 2025406 PMAQI
24th Jul 2025427 PMAQI
24th Jul 2025468 PMAQI
24th Jul 2025459 PMAQI
24th Jul 20254310 PMAQI
24th Jul 20254311 PMAQI
25th Jul 20254812 AMAQI
25th Jul 2025511 AMAQI
25th Jul 2025452 AMAQI
25th Jul 2025423 AMAQI
25th Jul 2025414 AMAQI
22°C19/25°C
25th Jul 2025425 AMAQI
25th Jul 2025426 AMAQI
25th Jul 2025367 AMAQI
25th Jul 2025388 AMAQI
25th Jul 2025369 AMAQI
25th Jul 20253010 AMAQI
25th Jul 20254011 AMAQI
25th Jul 20253812 PMAQI
25th Jul 2025361 PMAQI
25th Jul 2025382 PMAQI
25th Jul 2025373 PMAQI
25th Jul 2025364 PMAQI
25th Jul 2025395 PMAQI
25th Jul 2025436 PMAQI
25th Jul 2025437 PMAQI
25th Jul 2025468 PMAQI
25th Jul 2025469 PMAQI
25th Jul 20254010 PMAQI
25th Jul 20254111 PMAQI
26th Jul 20254212 AMAQI
26th Jul 2025461 AMAQI
26th Jul 2025442 AMAQI
26th Jul 2025423 AMAQI
26th Jul 2025434 AMAQI
22°C20/26°C
26th Jul 2025415 AMAQI
26th Jul 2025426 AMAQI
26th Jul 2025397 AMAQI
26th Jul 2025368 AMAQI
26th Jul 2025369 AMAQI
26th Jul 20254410 AMAQI
26th Jul 20254111 AMAQI
26th Jul 20254412 PMAQI
26th Jul 2025421 PMAQI
26th Jul 2025482 PMAQI
26th Jul 2025473 PMAQI
26th Jul 2025534 PMAQI
26th Jul 2025455 PMAQI
26th Jul 2025446 PMAQI
26th Jul 2025457 PMAQI
26th Jul 2025478 PMAQI
26th Jul 2025449 PMAQI
26th Jul 20254910 PMAQI
26th Jul 20255311 PMAQI
27th Jul 20254812 AMAQI
27th Jul 2025501 AMAQI
27th Jul 2025472 AMAQI
27th Jul 2025483 AMAQI
27th Jul 2025474 AMAQI
22°C19/25°C
27th Jul 2025475 AMAQI
27th Jul 2025486 AMAQI
27th Jul 2025427 AMAQI
27th Jul 2025398 AMAQI
27th Jul 2025459 AMAQI
27th Jul 20254210 AMAQI
27th Jul 20255611 AMAQI
27th Jul 20254912 PMAQI
27th Jul 2025541 PMAQI
27th Jul 2025562 PMAQI
27th Jul 2025543 PMAQI
27th Jul 2025524 PMAQI
27th Jul 2025495 PMAQI
27th Jul 2025466 PMAQI
27th Jul 2025467 PMAQI
27th Jul 2025488 PMAQI
27th Jul 2025439 PMAQI
27th Jul 20254510 PMAQI
27th Jul 20254611 PMAQI
28th Jul 20254812 AMAQI
28th Jul 2025501 AMAQI
28th Jul 2025522 AMAQI
28th Jul 2025513 AMAQI
28th Jul 2025504 AMAQI
22°C20/27°C
28th Jul 2025505 AMAQI
28th Jul 2025506 AMAQI
28th Jul 2025377 AMAQI
28th Jul 2025478 AMAQI
28th Jul 2025409 AMAQI
28th Jul 20253610 AMAQI
28th Jul 20254211 AMAQI
28th Jul 20254812 PMAQI
28th Jul 2025441 PMAQI
28th Jul 2025452 PMAQI
28th Jul 2025463 PMAQI
28th Jul 2025474 PMAQI
28th Jul 2025415 PMAQI
28th Jul 2025476 PMAQI
28th Jul 2025437 PMAQI
28th Jul 2025488 PMAQI
28th Jul 2025489 PMAQI
28th Jul 20254610 PMAQI
28th Jul 20254611 PMAQI
29th Jul 20254412 AMAQI
29th Jul 2025481 AMAQI
29th Jul 2025472 AMAQI
29th Jul 2025523 AMAQI
29th Jul 2025424 AMAQI
21°C19/25°C
29th Jul 2025435 AMAQI
29th Jul 2025436 AMAQI
29th Jul 2025447 AMAQI
29th Jul 2025438 AMAQI
29th Jul 2025389 AMAQI
29th Jul 20254710 AMAQI
29th Jul 20255011 AMAQI
29th Jul 20254812 PMAQI
29th Jul 2025451 PMAQI
29th Jul 2025482 PMAQI
29th Jul 2025433 PMAQI
29th Jul 2025394 PMAQI
29th Jul 2025465 PMAQI
29th Jul 2025466 PMAQI
29th Jul 2025477 PMAQI
29th Jul 2025458 PMAQI
29th Jul 2025469 PMAQI
29th Jul 20254610 PMAQI
29th Jul 20254311 PMAQI
30th Jul 20254512 AMAQI
30th Jul 2025461 AMAQI
30th Jul 2025472 AMAQI
30th Jul 2025463 AMAQI
30th Jul 2025434 AMAQI
23°C19/29°C
30th Jul 2025445 AMAQI
30th Jul 2025426 AMAQI
30th Jul 2025427 AMAQI
30th Jul 2025468 AMAQI
30th Jul 2025369 AMAQI
30th Jul 20254110 AMAQI
30th Jul 20255211 AMAQI
30th Jul 20255212 PMAQI
30th Jul 2025471 PMAQI
30th Jul 2025512 PMAQI
30th Jul 2025523 PMAQI
30th Jul 2025534 PMAQI
30th Jul 2025515 PMAQI
30th Jul 2025526 PMAQI
30th Jul 2025547 PMAQI
30th Jul 2025558 PMAQI
30th Jul 2025549 PMAQI
30th Jul 20255310 PMAQI
30th Jul 20255311 PMAQI
31st Jul 20255412 AMAQI
31st Jul 2025551 AMAQI
31st Jul 2025442 AMAQI
31st Jul 2025443 AMAQI
31st Jul 2025444 AMAQI
23°C19/31°C
31st Jul 2025445 AMAQI
31st Jul 2025446 AMAQI
31st Jul 2025447 AMAQI
31st Jul 2025448 AMAQI
31st Jul 2025549 AMAQI
31st Jul 20255710 AMAQI
31st Jul 20255811 AMAQI
31st Jul 20256012 PMAQI
31st Jul 2025621 PMAQI
31st Jul 2025612 PMAQI
31st Jul 2025523 PMAQI
31st Jul 2025524 PMAQI
31st Jul 2025485 PMAQI
31st Jul 2025556 PMAQI
31st Jul 2025567 PMAQI
31st Jul 2025578 PMAQI
31st Jul 2025619 PMAQI
31st Jul 20255910 PMAQI
31st Jul 20255411 PMAQI
1st Aug 20255612 AMAQI
1st Aug 2025571 AMAQI
1st Aug 2025542 AMAQI
1st Aug 2025543 AMAQI
1st Aug 2025544 AMAQI
24°C19/32°C
1st Aug 2025545 AMAQI
1st Aug 2025556 AMAQI
1st Aug 2025587 AMAQI
1st Aug 2025568 AMAQI
1st Aug 2025529 AMAQI
1st Aug 20255910 AMAQI
1st Aug 20255711 AMAQI
1st Aug 20256212 PMAQI
1st Aug 2025611 PMAQI
1st Aug 2025552 PMAQI
1st Aug 2025483 PMAQI
1st Aug 2025534 PMAQI
1st Aug 2025565 PMAQI
1st Aug 2025566 PMAQI
1st Aug 2025577 PMAQI
1st Aug 2025548 PMAQI
1st Aug 2025549 PMAQI
1st Aug 20255710 PMAQI
1st Aug 20255611 PMAQI
2nd Aug 20255812 AMAQI
2nd Aug 2025581 AMAQI
2nd Aug 2025562 AMAQI
2nd Aug 2025553 AMAQI
2nd Aug 2025554 AMAQI
24°C19/31°C
2nd Aug 2025555 AMAQI
2nd Aug 2025566 AMAQI
2nd Aug 2025507 AMAQI
2nd Aug 2025408 AMAQI
2nd Aug 2025549 AMAQI
2nd Aug 20254710 AMAQI
2nd Aug 20255111 AMAQI
2nd Aug 20254912 PMAQI
2nd Aug 2025511 PMAQI
2nd Aug 2025562 PMAQI
2nd Aug 2025463 PMAQI
2nd Aug 2025524 PMAQI
2nd Aug 2025535 PMAQI
2nd Aug 2025506 PMAQI
2nd Aug 2025537 PMAQI
2nd Aug 2025558 PMAQI
2nd Aug 2025599 PMAQI
2nd Aug 20255610 PMAQI
2nd Aug 20255311 PMAQI
3rd Aug 20255712 AMAQI
3rd Aug 2025551 AMAQI
3rd Aug 2025542 AMAQI
3rd Aug 2025543 AMAQI
3rd Aug 2025554 AMAQI
23°C19/31°C
3rd Aug 2025555 AMAQI
3rd Aug 2025556 AMAQI
3rd Aug 2025547 AMAQI
3rd Aug 2025508 AMAQI
3rd Aug 2025489 AMAQI
3rd Aug 20255910 AMAQI
3rd Aug 20255011 AMAQI
3rd Aug 20255012 PMAQI
3rd Aug 2025541 PMAQI
3rd Aug 2025422 PMAQI
3rd Aug 2025453 PMAQI
3rd Aug 2025514 PMAQI
3rd Aug 2025475 PMAQI
3rd Aug 2025506 PMAQI
3rd Aug 2025557 PMAQI
3rd Aug 2025568 PMAQI
3rd Aug 2025569 PMAQI
3rd Aug 20255410 PMAQI
3rd Aug 20255711 PMAQI
4th Aug 20255612 AMAQI
4th Aug 2025561 AMAQI
4th Aug 2025542 AMAQI
4th Aug 2025543 AMAQI
4th Aug 2025544 AMAQI
24°C18/32°C
4th Aug 2025545 AMAQI
4th Aug 2025546 AMAQI
4th Aug 2025547 AMAQI
4th Aug 2025558 AMAQI
4th Aug 2025529 AMAQI
4th Aug 20255510 AMAQI
4th Aug 20255511 AMAQI
4th Aug 20255212 PMAQI
4th Aug 2025581 PMAQI
4th Aug 2025502 PMAQI
4th Aug 2025543 PMAQI
4th Aug 2025544 PMAQI
4th Aug 2025575 PMAQI
4th Aug 2025556 PMAQI
4th Aug 2025567 PMAQI
4th Aug 2025568 PMAQI
4th Aug 2025599 PMAQI
4th Aug 20256010 PMAQI
4th Aug 20255611 PMAQI
5th Aug 20255512 AMAQI
5th Aug 2025531 AMAQI
5th Aug 2025542 AMAQI
5th Aug 2025553 AMAQI
--°C/°C
5 AM
12 PM
7 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 6 AM
48AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
7 AM - 7 PM
45AQI
13 hours / Day
390 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 6 AM (Avg. 48), while the lowest AQI was between 7 AM to 7 PM (Avg. 45).
Night time
Avg. Highest Time
12 AM - 11 PM
49AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM - 11 PM
49AQI
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. 49), while the lowest AQI was between 12 AM to 11 PM (Avg. 49).
2025 Days Vs Air Quality
Chiang Dao Public Heath Office, Ban Piang Luang, Chiang Mai, Thailand
2025
24%
51
45%
97
27%
58
5%
10
Total number of days with different AQI categories in last 216 days in 2025 (149 days remaining)
Good
51 DaysModerate
97 DaysPoor
58 DaysUnhealthy
10 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 24%
Health Risk Level:
Very high
In 2025, 24% of 216 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 Dao Public Heath Office, Ban Piang Luang, Chiang Mai, 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
83AQI
83AQI
3rd January 2025
79AQI
79AQI
4th January 2025
94AQI
94AQI
5th January 2025
95AQI
95AQI
6th January 2025
100AQI
100AQI
7th January 2025
100AQI
100AQI
8th January 2025
107AQI
107AQI
9th January 2025
121AQI
121AQI
10th January 2025
112AQI
112AQI
11th January 2025
97AQI
97AQI
12th January 2025
90AQI
90AQI
13th January 2025
93AQI
93AQI
14th January 2025
93AQI
93AQI
15th January 2025
95AQI
95AQI
16th January 2025
90AQI
90AQI
17th January 2025
91AQI
91AQI
18th January 2025
89AQI
89AQI
19th January 2025
90AQI
90AQI
20th January 2025
99AQI
99AQI
21st January 2025
108AQI
108AQI
22nd January 2025
110AQI
110AQI
23rd January 2025
112AQI
112AQI
24th January 2025
110AQI
110AQI
25th January 2025
101AQI
101AQI
26th January 2025
96AQI
96AQI
27th January 2025
96AQI
96AQI
28th January 2025
85AQI
85AQI
29th January 2025
99AQI
99AQI
30th January 2025
113AQI
113AQI
31st January 2025
101AQI
101AQI
1st February 2025
95AQI
95AQI
2nd February 2025
95AQI
95AQI
3rd February 2025
103AQI
103AQI
4th February 2025
113AQI
113AQI
5th February 2025
112AQI
112AQI
6th February 2025
113AQI
113AQI
7th February 2025
108AQI
108AQI
8th February 2025
110AQI
110AQI
9th February 2025
98AQI
98AQI
10th February 2025
102AQI
102AQI
11th February 2025
108AQI
108AQI
12th February 2025
106AQI
106AQI
13th February 2025
103AQI
103AQI
14th February 2025
100AQI
100AQI
15th February 2025
99AQI
99AQI
16th February 2025
121AQI
121AQI
17th February 2025
123AQI
123AQI
18th February 2025
122AQI
122AQI
19th February 2025
115AQI
115AQI
20th February 2025
113AQI
113AQI
21st February 2025
101AQI
101AQI
22nd February 2025
103AQI
103AQI
23rd February 2025
95AQI
95AQI
24th February 2025
81AQI
81AQI
25th February 2025
70AQI
70AQI
26th February 2025
64AQI
64AQI
27th February 2025
68AQI
68AQI
28th February 2025
74AQI
74AQI
1st March 2025
77AQI
77AQI
2nd March 2025
79AQI
79AQI
3rd March 2025
94AQI
94AQI
4th March 2025
109AQI
109AQI
5th March 2025
128AQI
128AQI
6th March 2025
119AQI
119AQI
7th March 2025
132AQI
132AQI
8th March 2025
115AQI
115AQI
9th March 2025
108AQI
108AQI
10th March 2025
93AQI
93AQI
11th March 2025
102AQI
102AQI
12th March 2025
103AQI
103AQI
13th March 2025
100AQI
100AQI
14th March 2025
113AQI
113AQI
15th March 2025
136AQI
136AQI
16th March 2025
128AQI
128AQI
17th March 2025
145AQI
145AQI
18th March 2025
130AQI
130AQI
19th March 2025
116AQI
116AQI
20th March 2025
103AQI
103AQI
21st March 2025
123AQI
123AQI
22nd March 2025
144AQI
144AQI
23rd March 2025
153AQI
153AQI
24th March 2025
161AQI
161AQI
25th March 2025
159AQI
159AQI
26th March 2025
153AQI
153AQI
27th March 2025
156AQI
156AQI
28th March 2025
163AQI
163AQI
29th March 2025
163AQI
163AQI
30th March 2025
163AQI
163AQI
31st March 2025
158AQI
158AQI
1st April 2025
153AQI
153AQI
2nd April 2025
150AQI
150AQI
3rd April 2025
149AQI
149AQI
4th April 2025
146AQI
146AQI
5th April 2025
148AQI
148AQI
6th April 2025
143AQI
143AQI
7th April 2025
112AQI
112AQI
8th April 2025
106AQI
106AQI
9th April 2025
128AQI
128AQI
10th April 2025
133AQI
133AQI
11th April 2025
129AQI
129AQI
12th April 2025
98AQI
98AQI
13th April 2025
86AQI
86AQI
14th April 2025
63AQI
63AQI
15th April 2025
62AQI
62AQI
16th April 2025
74AQI
74AQI
17th April 2025
57AQI
57AQI
18th April 2025
55AQI
55AQI
19th April 2025
59AQI
59AQI
20th April 2025
65AQI
65AQI
21st April 2025
73AQI
73AQI
22nd April 2025
86AQI
86AQI
23rd April 2025
92AQI
92AQI
24th April 2025
102AQI
102AQI
25th April 2025
110AQI
110AQI
26th April 2025
112AQI
112AQI
27th April 2025
110AQI
110AQI
28th April 2025
79AQI
79AQI
29th April 2025
72AQI
72AQI
30th April 2025
66AQI
66AQI
1st May 2025
60AQI
60AQI
2nd May 2025
62AQI
62AQI
3rd May 2025
60AQI
60AQI
4th May 2025
65AQI
65AQI
5th May 2025
62AQI
62AQI
6th May 2025
72AQI
72AQI
7th May 2025
83AQI
83AQI
8th May 2025
83AQI
83AQI
9th May 2025
80AQI
80AQI
10th May 2025
93AQI
93AQI
11th May 2025
91AQI
91AQI
12th May 2025
73AQI
73AQI
13th May 2025
66AQI
66AQI
14th May 2025
62AQI
62AQI
15th May 2025
51AQI
51AQI
16th May 2025
53AQI
53AQI
17th May 2025
52AQI
52AQI
18th May 2025
49AQI
49AQI
19th May 2025
53AQI
53AQI
20th May 2025
52AQI
52AQI
21st May 2025
56AQI
56AQI
22nd May 2025
52AQI
52AQI
23rd May 2025
51AQI
51AQI
24th May 2025
47AQI
47AQI
25th May 2025
46AQI
46AQI
26th May 2025
44AQI
44AQI
27th May 2025
50AQI
50AQI
28th May 2025
47AQI
47AQI
29th May 2025
50AQI
50AQI
30th May 2025
54AQI
54AQI
31st May 2025
50AQI
50AQI
1st June 2025
51AQI
51AQI
2nd June 2025
52AQI
52AQI
3rd June 2025
58AQI
58AQI
4th June 2025
59AQI
59AQI
5th June 2025
63AQI
63AQI
6th June 2025
66AQI
66AQI
7th June 2025
64AQI
64AQI
8th June 2025
59AQI
59AQI
9th June 2025
60AQI
60AQI
10th June 2025
55AQI
55AQI
11th June 2025
53AQI
53AQI
12th June 2025
50AQI
50AQI
13th June 2025
53AQI
53AQI
14th June 2025
49AQI
49AQI
15th June 2025
45AQI
45AQI
16th June 2025
48AQI
48AQI
17th June 2025
47AQI
47AQI
18th June 2025
44AQI
44AQI
19th June 2025
46AQI
46AQI
20th June 2025
46AQI
46AQI
21st June 2025
48AQI
48AQI
22nd June 2025
47AQI
47AQI
23rd June 2025
44AQI
44AQI
24th June 2025
43AQI
43AQI
25th June 2025
45AQI
45AQI
26th June 2025
48AQI
48AQI
27th June 2025
46AQI
46AQI
28th June 2025
47AQI
47AQI
29th June 2025
47AQI
47AQI
30th June 2025
49AQI
49AQI
1st July 2025
51AQI
51AQI
2nd July 2025
53AQI
53AQI
3rd July 2025
54AQI
54AQI
4th July 2025
50AQI
50AQI
5th July 2025
48AQI
48AQI
6th July 2025
50AQI
50AQI
7th July 2025
45AQI
45AQI
8th July 2025
50AQI
50AQI
9th July 2025
51AQI
51AQI
10th July 2025
51AQI
51AQI
11th July 2025
48AQI
48AQI
12th July 2025
49AQI
49AQI
13th July 2025
47AQI
47AQI
14th July 2025
46AQI
46AQI
15th July 2025
45AQI
45AQI
16th July 2025
47AQI
47AQI
17th July 2025
45AQI
45AQI
18th July 2025
42AQI
42AQI
19th July 2025
39AQI
39AQI
20th July 2025
41AQI
41AQI
21st July 2025
44AQI
44AQI
22nd July 2025
49AQI
49AQI
23rd July 2025
43AQI
43AQI
24th July 2025
41AQI
41AQI
25th July 2025
41AQI
41AQI
26th July 2025
44AQI
44AQI
27th July 2025
48AQI
48AQI
28th July 2025
46AQI
46AQI
29th July 2025
45AQI
45AQI
30th July 2025
48AQI
48AQI
31st July 2025
52AQI
52AQI
1st August 2025
56AQI
56AQI
2nd August 2025
53AQI
53AQI
3rd August 2025
53AQI
53AQI
4th August 2025
54AQI
54AQI
98AQI
101AQI
127AQI
101AQI
60AQI
51AQI
47AQI
54AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202583AQI
21
10
11
17
5
17
9
15
14
1
8
23
18
12
25
6
4
51
97
58
10
Highest AQI recorded in
March127AQI
Lowest AQI recorded in
July47AQI
202456AQI
9
7
3
9
27
3
31
21
8
9
20
5
26
30
31
105
134
Highest AQI recorded in
December80AQI
Lowest AQI recorded in
July40AQI
202362AQI
3
5
26
5
29
Highest AQI recorded in
November71AQI
Lowest AQI recorded in
December62AQI
202273AQI
4
2
3
6
1
3
11
2
7
18
6
16
13
10
1
12
8
1
5
9
2
51
54
27
8
Highest AQI recorded in
March137AQI
Lowest AQI recorded in
July35AQI
2021136AQI
4
15
3
3
2
2
2
11
2
14
4
17
5
Highest AQI recorded in
March172AQI
Lowest AQI recorded in
May67AQI
2020136AQI
1
8
1
1
1
4
10
4
2
5
1
4
1
2
8
7
6
18
5
1
Highest AQI recorded in
March195AQI
Lowest AQI recorded in
June23AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2021(Avg.)
136AQILeast Polluted Year Recorded
2024(Avg.)
56AQIChiang Dao Public Heath Office's annual 2025 AQI (83) shows an average percentage change of 2.6% (worsened AQI) compared to previous years: 2020 (136), 2021 (136), 2022 (73), 2023 (62), 2024 (56).
