Chai Prakan Hospital, 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
Chai Prakan Hospital, Ban Piang Luang, Chiang Mai, Thailand
2021
2022
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
31st Aug 2021
136AQILowest AQI recorded on
16th Aug 2021
12AQISame Day Analysis (4th August ):
On this day, AQI across the 4 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
Chai Prakan Hospital, Ban Piang Luang, Chiang Mai, Thailand
AQI
Day
Night
.
5 AM4th Aug 2025
7 PM
4 AM5th Aug 2025
Day time
Avg. Highest Time
10AM4th Aug
57AQI
Avg. Lowest Time
2PM4th Aug
46AQI
Night time
Avg. Highest Time
9PM4th Aug
58AQI
Avg. Lowest Time
4AM5th Aug
53AQI
In the last 24 hours,
Chai Prakan Hospital's AQI reached its highest point of 58 at 9 PM during the Night, while the lowest point, 46, was recorded at 2 PM during the Day between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Chai Prakan Hospital, 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 2025525 AMAQI
6th Jul 2025516 AMAQI
6th Jul 2025487 AMAQI
6th Jul 2025418 AMAQI
6th Jul 2025419 AMAQI
6th Jul 20253210 AMAQI
6th Jul 20253511 AMAQI
6th Jul 20253612 PMAQI
6th Jul 2025371 PMAQI
6th Jul 2025362 PMAQI
6th Jul 2025343 PMAQI
6th Jul 2025404 PMAQI
6th Jul 2025375 PMAQI
6th Jul 2025366 PMAQI
6th Jul 2025427 PMAQI
6th Jul 2025468 PMAQI
6th Jul 2025399 PMAQI
6th Jul 20254410 PMAQI
6th Jul 20254411 PMAQI
7th Jul 20254412 AMAQI
7th Jul 2025441 AMAQI
7th Jul 2025482 AMAQI
7th Jul 2025443 AMAQI
7th Jul 2025454 AMAQI
22°C20/25°C
7th Jul 2025465 AMAQI
7th Jul 2025456 AMAQI
7th Jul 2025377 AMAQI
7th Jul 2025318 AMAQI
7th Jul 2025319 AMAQI
7th Jul 20253210 AMAQI
7th Jul 20253211 AMAQI
7th Jul 20253412 PMAQI
7th Jul 2025301 PMAQI
7th Jul 2025362 PMAQI
7th Jul 2025333 PMAQI
7th Jul 2025304 PMAQI
7th Jul 2025265 PMAQI
7th Jul 2025346 PMAQI
7th Jul 2025387 PMAQI
7th Jul 2025448 PMAQI
7th Jul 2025449 PMAQI
7th Jul 20254210 PMAQI
7th Jul 20254211 PMAQI
8th Jul 20254412 AMAQI
8th Jul 2025451 AMAQI
8th Jul 2025452 AMAQI
8th Jul 2025443 AMAQI
8th Jul 2025434 AMAQI
22°C20/25°C
8th Jul 2025445 AMAQI
8th Jul 2025446 AMAQI
8th Jul 2025387 AMAQI
8th Jul 2025348 AMAQI
8th Jul 2025349 AMAQI
8th Jul 20253410 AMAQI
8th Jul 20253911 AMAQI
8th Jul 20253812 PMAQI
8th Jul 2025391 PMAQI
8th Jul 2025422 PMAQI
8th Jul 2025423 PMAQI
8th Jul 2025384 PMAQI
8th Jul 2025405 PMAQI
8th Jul 2025396 PMAQI
8th Jul 2025417 PMAQI
8th Jul 2025458 PMAQI
8th Jul 2025479 PMAQI
8th Jul 20255110 PMAQI
8th Jul 20254711 PMAQI
9th Jul 20254812 AMAQI
9th Jul 2025471 AMAQI
9th Jul 2025432 AMAQI
9th Jul 2025423 AMAQI
9th Jul 2025444 AMAQI
22°C20/27°C
9th Jul 2025445 AMAQI
9th Jul 2025446 AMAQI
9th Jul 2025487 AMAQI
9th Jul 2025498 AMAQI
9th Jul 2025569 AMAQI
9th Jul 20255310 AMAQI
9th Jul 20255011 AMAQI
9th Jul 20254512 PMAQI
9th Jul 2025481 PMAQI
9th Jul 2025462 PMAQI
9th Jul 2025423 PMAQI
9th Jul 2025444 PMAQI
9th Jul 2025475 PMAQI
9th Jul 2025486 PMAQI
9th Jul 2025487 PMAQI
9th Jul 2025468 PMAQI
9th Jul 2025459 PMAQI
9th Jul 20254910 PMAQI
9th Jul 20254711 PMAQI
10th Jul 20254212 AMAQI
10th Jul 2025481 AMAQI
10th Jul 2025482 AMAQI
10th Jul 2025493 AMAQI
10th Jul 2025484 AMAQI
22°C19/26°C
10th Jul 2025485 AMAQI
10th Jul 2025496 AMAQI
10th Jul 2025427 AMAQI
10th Jul 2025458 AMAQI
10th Jul 2025469 AMAQI
10th Jul 20255010 AMAQI
10th Jul 20255011 AMAQI
10th Jul 20255412 PMAQI
10th Jul 2025521 PMAQI
10th Jul 2025382 PMAQI
10th Jul 2025503 PMAQI
10th Jul 2025484 PMAQI
10th Jul 2025515 PMAQI
10th Jul 2025526 PMAQI
10th Jul 2025527 PMAQI
10th Jul 2025348 PMAQI
10th Jul 2025379 PMAQI
10th Jul 20253810 PMAQI
10th Jul 20253911 PMAQI
11th Jul 20254812 AMAQI
11th Jul 2025481 AMAQI
11th Jul 2025482 AMAQI
11th Jul 2025493 AMAQI
11th Jul 2025494 AMAQI
22°C20/27°C
11th Jul 2025505 AMAQI
11th Jul 2025506 AMAQI
11th Jul 2025427 AMAQI
11th Jul 2025458 AMAQI
11th Jul 2025459 AMAQI
11th Jul 20254710 AMAQI
11th Jul 20254611 AMAQI
11th Jul 20255112 PMAQI
11th Jul 2025501 PMAQI
11th Jul 2025462 PMAQI
11th Jul 2025493 PMAQI
11th Jul 2025524 PMAQI
11th Jul 2025515 PMAQI
11th Jul 2025486 PMAQI
11th Jul 2025407 PMAQI
11th Jul 2025438 PMAQI
11th Jul 2025389 PMAQI
11th Jul 20254510 PMAQI
11th Jul 20254311 PMAQI
12th Jul 20255112 AMAQI
12th Jul 2025521 AMAQI
12th Jul 2025502 AMAQI
12th Jul 2025503 AMAQI
12th Jul 2025514 AMAQI
21°C20/23°C
12th Jul 2025505 AMAQI
12th Jul 2025506 AMAQI
12th Jul 2025407 AMAQI
12th Jul 2025308 AMAQI
12th Jul 2025399 AMAQI
12th Jul 20253410 AMAQI
12th Jul 20254011 AMAQI
12th Jul 20254012 PMAQI
12th Jul 2025421 PMAQI
12th Jul 2025402 PMAQI
12th Jul 2025343 PMAQI
12th Jul 2025384 PMAQI
12th Jul 2025385 PMAQI
12th Jul 2025486 PMAQI
12th Jul 2025467 PMAQI
12th Jul 2025448 PMAQI
12th Jul 2025489 PMAQI
12th Jul 20254610 PMAQI
12th Jul 20255111 PMAQI
13th Jul 20254312 AMAQI
13th Jul 2025491 AMAQI
13th Jul 2025512 AMAQI
13th Jul 2025503 AMAQI
13th Jul 2025494 AMAQI
22°C20/24°C
13th Jul 2025495 AMAQI
13th Jul 2025506 AMAQI
13th Jul 2025427 AMAQI
13th Jul 2025288 AMAQI
13th Jul 2025289 AMAQI
13th Jul 20253210 AMAQI
13th Jul 20253611 AMAQI
13th Jul 20253712 PMAQI
13th Jul 2025361 PMAQI
13th Jul 2025362 PMAQI
13th Jul 2025363 PMAQI
13th Jul 2025344 PMAQI
13th Jul 2025365 PMAQI
13th Jul 2025386 PMAQI
13th Jul 2025527 PMAQI
13th Jul 2025488 PMAQI
13th Jul 2025499 PMAQI
13th Jul 20255110 PMAQI
13th Jul 20254811 PMAQI
14th Jul 20254612 AMAQI
14th Jul 2025461 AMAQI
14th Jul 2025472 AMAQI
14th Jul 2025473 AMAQI
14th Jul 2025504 AMAQI
23°C20/28°C
14th Jul 2025485 AMAQI
14th Jul 2025496 AMAQI
14th Jul 2025387 AMAQI
14th Jul 2025378 AMAQI
14th Jul 2025359 AMAQI
14th Jul 20253410 AMAQI
14th Jul 20254111 AMAQI
14th Jul 20254012 PMAQI
14th Jul 2025441 PMAQI
14th Jul 2025382 PMAQI
14th Jul 2025343 PMAQI
14th Jul 2025354 PMAQI
14th Jul 2025365 PMAQI
14th Jul 2025396 PMAQI
14th Jul 2025447 PMAQI
14th Jul 2025468 PMAQI
14th Jul 2025489 PMAQI
14th Jul 20255010 PMAQI
14th Jul 20254911 PMAQI
15th Jul 20255112 AMAQI
15th Jul 2025481 AMAQI
15th Jul 2025482 AMAQI
15th Jul 2025493 AMAQI
15th Jul 2025464 AMAQI
23°C20/28°C
15th Jul 2025465 AMAQI
15th Jul 2025466 AMAQI
15th Jul 2025327 AMAQI
15th Jul 2025418 AMAQI
15th Jul 2025439 AMAQI
15th Jul 20254110 AMAQI
15th Jul 20253511 AMAQI
15th Jul 20253612 PMAQI
15th Jul 2025401 PMAQI
15th Jul 2025402 PMAQI
15th Jul 2025383 PMAQI
15th Jul 2025364 PMAQI
15th Jul 2025415 PMAQI
15th Jul 2025416 PMAQI
15th Jul 2025387 PMAQI
15th Jul 2025468 PMAQI
15th Jul 2025469 PMAQI
15th Jul 20254210 PMAQI
15th Jul 20254111 PMAQI
16th Jul 20253812 AMAQI
16th Jul 2025461 AMAQI
16th Jul 2025502 AMAQI
16th Jul 2025483 AMAQI
16th Jul 2025484 AMAQI
22°C21/23°C
16th Jul 2025465 AMAQI
16th Jul 2025456 AMAQI
16th Jul 2025367 AMAQI
16th Jul 2025388 AMAQI
16th Jul 2025359 AMAQI
16th Jul 20254310 AMAQI
16th Jul 20253611 AMAQI
16th Jul 20254212 PMAQI
16th Jul 2025381 PMAQI
16th Jul 2025412 PMAQI
16th Jul 2025353 PMAQI
16th Jul 2025354 PMAQI
16th Jul 2025395 PMAQI
16th Jul 2025366 PMAQI
16th Jul 2025387 PMAQI
16th Jul 2025408 PMAQI
16th Jul 2025429 PMAQI
16th Jul 20254510 PMAQI
16th Jul 20254111 PMAQI
17th Jul 20254512 AMAQI
17th Jul 2025461 AMAQI
17th Jul 2025462 AMAQI
17th Jul 2025463 AMAQI
17th Jul 2025504 AMAQI
21°C20/21°C
17th Jul 2025485 AMAQI
17th Jul 2025456 AMAQI
17th Jul 2025447 AMAQI
17th Jul 2025428 AMAQI
17th Jul 2025499 AMAQI
17th Jul 20254210 AMAQI
17th Jul 20253811 AMAQI
17th Jul 20253612 PMAQI
17th Jul 2025401 PMAQI
17th Jul 2025372 PMAQI
17th Jul 2025373 PMAQI
17th Jul 2025364 PMAQI
17th Jul 2025355 PMAQI
17th Jul 2025336 PMAQI
17th Jul 2025377 PMAQI
17th Jul 2025458 PMAQI
17th Jul 2025509 PMAQI
17th Jul 20254710 PMAQI
17th Jul 20254611 PMAQI
18th Jul 20253612 AMAQI
18th Jul 2025371 AMAQI
18th Jul 2025442 AMAQI
18th Jul 2025433 AMAQI
18th Jul 2025444 AMAQI
20°C20/22°C
18th Jul 2025445 AMAQI
18th Jul 2025436 AMAQI
18th Jul 2025347 AMAQI
18th Jul 2025358 AMAQI
18th Jul 2025389 AMAQI
18th Jul 20253810 AMAQI
18th Jul 20253811 AMAQI
18th Jul 20253612 PMAQI
18th Jul 2025341 PMAQI
18th Jul 2025342 PMAQI
18th Jul 2025343 PMAQI
18th Jul 2025334 PMAQI
18th Jul 2025305 PMAQI
18th Jul 2025346 PMAQI
18th Jul 2025427 PMAQI
18th Jul 2025418 PMAQI
18th Jul 2025419 PMAQI
18th Jul 20254310 PMAQI
18th Jul 20254511 PMAQI
19th Jul 20254412 AMAQI
19th Jul 2025491 AMAQI
19th Jul 2025472 AMAQI
19th Jul 2025403 AMAQI
19th Jul 2025414 AMAQI
22°C20/26°C
19th Jul 2025405 AMAQI
19th Jul 2025416 AMAQI
19th Jul 2025347 AMAQI
19th Jul 2025348 AMAQI
19th Jul 2025359 AMAQI
19th Jul 20253610 AMAQI
19th Jul 20253611 AMAQI
19th Jul 20253412 PMAQI
19th Jul 2025321 PMAQI
19th Jul 2025322 PMAQI
19th Jul 2025333 PMAQI
19th Jul 2025334 PMAQI
19th Jul 2025365 PMAQI
19th Jul 2025366 PMAQI
19th Jul 2025357 PMAQI
19th Jul 2025358 PMAQI
19th Jul 2025349 PMAQI
19th Jul 20253510 PMAQI
19th Jul 20253611 PMAQI
20th Jul 20254112 AMAQI
20th Jul 2025501 AMAQI
20th Jul 2025452 AMAQI
20th Jul 2025443 AMAQI
20th Jul 2025444 AMAQI
23°C19/29°C
20th Jul 2025435 AMAQI
20th Jul 2025446 AMAQI
20th Jul 2025417 AMAQI
20th Jul 2025318 AMAQI
20th Jul 2025349 AMAQI
20th Jul 20253410 AMAQI
20th Jul 20253411 AMAQI
20th Jul 20253612 PMAQI
20th Jul 2025381 PMAQI
20th Jul 2025372 PMAQI
20th Jul 2025343 PMAQI
20th Jul 2025334 PMAQI
20th Jul 2025395 PMAQI
20th Jul 2025356 PMAQI
20th Jul 2025447 PMAQI
20th Jul 2025418 PMAQI
20th Jul 2025409 PMAQI
20th Jul 20254010 PMAQI
20th Jul 20253811 PMAQI
21st Jul 20254112 AMAQI
21st Jul 2025481 AMAQI
21st Jul 2025482 AMAQI
21st Jul 2025463 AMAQI
21st Jul 2025474 AMAQI
23°C19/29°C
21st Jul 2025465 AMAQI
21st Jul 2025456 AMAQI
21st Jul 2025397 AMAQI
21st Jul 2025388 AMAQI
21st Jul 2025449 AMAQI
21st Jul 20254210 AMAQI
21st Jul 20253811 AMAQI
21st Jul 20253712 PMAQI
21st Jul 2025381 PMAQI
21st Jul 2025382 PMAQI
21st Jul 2025353 PMAQI
21st Jul 2025364 PMAQI
21st Jul 2025405 PMAQI
21st Jul 2025386 PMAQI
21st Jul 2025467 PMAQI
21st Jul 2025488 PMAQI
21st Jul 2025459 PMAQI
21st Jul 20254810 PMAQI
21st Jul 20254211 PMAQI
22nd Jul 20254212 AMAQI
22nd Jul 2025481 AMAQI
22nd Jul 2025472 AMAQI
22nd Jul 2025463 AMAQI
22nd Jul 2025454 AMAQI
23°C19/30°C
22nd Jul 2025455 AMAQI
22nd Jul 2025466 AMAQI
22nd Jul 2025327 AMAQI
22nd Jul 2025378 AMAQI
22nd Jul 2025379 AMAQI
22nd Jul 20254210 AMAQI
22nd Jul 20254811 AMAQI
22nd Jul 20254712 PMAQI
22nd Jul 2025481 PMAQI
22nd Jul 2025462 PMAQI
22nd Jul 2025403 PMAQI
22nd Jul 2025404 PMAQI
22nd Jul 2025465 PMAQI
22nd Jul 2025476 PMAQI
22nd Jul 2025517 PMAQI
22nd Jul 2025458 PMAQI
22nd Jul 2025469 PMAQI
22nd Jul 20255010 PMAQI
22nd Jul 20255111 PMAQI
23rd Jul 20255012 AMAQI
23rd Jul 2025461 AMAQI
23rd Jul 2025462 AMAQI
23rd Jul 2025483 AMAQI
23rd Jul 2025474 AMAQI
21°C20/23°C
23rd Jul 2025485 AMAQI
23rd Jul 2025486 AMAQI
23rd Jul 2025417 AMAQI
23rd Jul 2025398 AMAQI
23rd Jul 2025459 AMAQI
23rd Jul 20254210 AMAQI
23rd Jul 20254111 AMAQI
23rd Jul 20254012 PMAQI
23rd Jul 2025401 PMAQI
23rd Jul 2025382 PMAQI
23rd Jul 2025333 PMAQI
23rd Jul 2025334 PMAQI
23rd Jul 2025345 PMAQI
23rd Jul 2025406 PMAQI
23rd Jul 2025427 PMAQI
23rd Jul 2025428 PMAQI
23rd Jul 2025419 PMAQI
23rd Jul 20254110 PMAQI
23rd Jul 20254111 PMAQI
24th Jul 20254112 AMAQI
24th Jul 2025461 AMAQI
24th Jul 2025462 AMAQI
24th Jul 2025463 AMAQI
24th Jul 2025474 AMAQI
20°C20/21°C
24th Jul 2025465 AMAQI
24th Jul 2025476 AMAQI
24th Jul 2025367 AMAQI
24th Jul 2025248 AMAQI
24th Jul 2025269 AMAQI
24th Jul 20252810 AMAQI
24th Jul 20253211 AMAQI
24th Jul 20253012 PMAQI
24th Jul 2025301 PMAQI
24th Jul 2025262 PMAQI
24th Jul 2025283 PMAQI
24th Jul 2025344 PMAQI
24th Jul 2025375 PMAQI
24th Jul 2025346 PMAQI
24th Jul 2025397 PMAQI
24th Jul 2025408 PMAQI
24th Jul 2025389 PMAQI
24th Jul 20253810 PMAQI
24th Jul 20253911 PMAQI
25th Jul 20254512 AMAQI
25th Jul 2025481 AMAQI
25th Jul 2025442 AMAQI
25th Jul 2025433 AMAQI
25th Jul 2025434 AMAQI
21°C20/24°C
25th Jul 2025435 AMAQI
25th Jul 2025426 AMAQI
25th Jul 2025327 AMAQI
25th Jul 2025288 AMAQI
25th Jul 2025369 AMAQI
25th Jul 20252810 AMAQI
25th Jul 20253611 AMAQI
25th Jul 20253212 PMAQI
25th Jul 2025301 PMAQI
25th Jul 2025302 PMAQI
25th Jul 2025313 PMAQI
25th Jul 2025304 PMAQI
25th Jul 2025355 PMAQI
25th Jul 2025366 PMAQI
25th Jul 2025377 PMAQI
25th Jul 2025388 PMAQI
25th Jul 2025389 PMAQI
25th Jul 20253710 PMAQI
25th Jul 20253811 PMAQI
26th Jul 20253912 AMAQI
26th Jul 2025451 AMAQI
26th Jul 2025422 AMAQI
26th Jul 2025413 AMAQI
26th Jul 2025424 AMAQI
22°C21/26°C
26th Jul 2025425 AMAQI
26th Jul 2025416 AMAQI
26th Jul 2025437 AMAQI
26th Jul 2025408 AMAQI
26th Jul 2025409 AMAQI
26th Jul 20254510 AMAQI
26th Jul 20254211 AMAQI
26th Jul 20254412 PMAQI
26th Jul 2025371 PMAQI
26th Jul 2025402 PMAQI
26th Jul 2025393 PMAQI
26th Jul 2025464 PMAQI
26th Jul 2025495 PMAQI
26th Jul 2025466 PMAQI
26th Jul 2025427 PMAQI
26th Jul 2025428 PMAQI
26th Jul 2025469 PMAQI
26th Jul 20255110 PMAQI
26th Jul 20255411 PMAQI
27th Jul 20254712 AMAQI
27th Jul 2025481 AMAQI
27th Jul 2025442 AMAQI
27th Jul 2025463 AMAQI
27th Jul 2025454 AMAQI
21°C20/24°C
27th Jul 2025445 AMAQI
27th Jul 2025466 AMAQI
27th Jul 2025467 AMAQI
27th Jul 2025468 AMAQI
27th Jul 2025479 AMAQI
27th Jul 20254510 AMAQI
27th Jul 20255411 AMAQI
27th Jul 20254912 PMAQI
27th Jul 2025501 PMAQI
27th Jul 2025602 PMAQI
27th Jul 2025543 PMAQI
27th Jul 2025464 PMAQI
27th Jul 2025475 PMAQI
27th Jul 2025436 PMAQI
27th Jul 2025407 PMAQI
27th Jul 2025428 PMAQI
27th Jul 2025409 PMAQI
27th Jul 20254110 PMAQI
27th Jul 20254211 PMAQI
28th Jul 20254012 AMAQI
28th Jul 2025481 AMAQI
28th Jul 2025482 AMAQI
28th Jul 2025493 AMAQI
28th Jul 2025484 AMAQI
22°C20/25°C
28th Jul 2025485 AMAQI
28th Jul 2025466 AMAQI
28th Jul 2025427 AMAQI
28th Jul 2025538 AMAQI
28th Jul 2025449 AMAQI
28th Jul 20254010 AMAQI
28th Jul 20253711 AMAQI
28th Jul 20254012 PMAQI
28th Jul 2025411 PMAQI
28th Jul 2025462 PMAQI
28th Jul 2025373 PMAQI
28th Jul 2025384 PMAQI
28th Jul 2025415 PMAQI
28th Jul 2025376 PMAQI
28th Jul 2025397 PMAQI
28th Jul 2025408 PMAQI
28th Jul 2025409 PMAQI
28th Jul 20253910 PMAQI
28th Jul 20253911 PMAQI
29th Jul 20254012 AMAQI
29th Jul 2025441 AMAQI
29th Jul 2025462 AMAQI
29th Jul 2025423 AMAQI
29th Jul 2025404 AMAQI
21°C20/21°C
29th Jul 2025425 AMAQI
29th Jul 2025386 AMAQI
29th Jul 2025417 AMAQI
29th Jul 2025308 AMAQI
29th Jul 2025379 AMAQI
29th Jul 20254610 AMAQI
29th Jul 20254711 AMAQI
29th Jul 20254612 PMAQI
29th Jul 2025381 PMAQI
29th Jul 2025482 PMAQI
29th Jul 2025403 PMAQI
29th Jul 2025324 PMAQI
29th Jul 2025375 PMAQI
29th Jul 2025376 PMAQI
29th Jul 2025387 PMAQI
29th Jul 2025378 PMAQI
29th Jul 2025399 PMAQI
29th Jul 20254210 PMAQI
29th Jul 20253911 PMAQI
30th Jul 20253812 AMAQI
30th Jul 2025411 AMAQI
30th Jul 2025432 AMAQI
30th Jul 2025433 AMAQI
30th Jul 2025424 AMAQI
22°C20/26°C
30th Jul 2025405 AMAQI
30th Jul 2025406 AMAQI
30th Jul 2025387 AMAQI
30th Jul 2025328 AMAQI
30th Jul 2025349 AMAQI
30th Jul 20253710 AMAQI
30th Jul 20254811 AMAQI
30th Jul 20254812 PMAQI
30th Jul 2025471 PMAQI
30th Jul 2025512 PMAQI
30th Jul 2025523 PMAQI
30th Jul 2025514 PMAQI
30th Jul 2025445 PMAQI
30th Jul 2025486 PMAQI
30th Jul 2025447 PMAQI
30th Jul 2025478 PMAQI
30th Jul 2025499 PMAQI
30th Jul 20254810 PMAQI
30th Jul 20254811 PMAQI
31st Jul 20255012 AMAQI
31st Jul 2025501 AMAQI
31st Jul 2025432 AMAQI
31st Jul 2025433 AMAQI
31st Jul 2025434 AMAQI
23°C19/29°C
31st Jul 2025435 AMAQI
31st Jul 2025436 AMAQI
31st Jul 2025437 AMAQI
31st Jul 2025438 AMAQI
31st Jul 2025509 AMAQI
31st Jul 20255410 AMAQI
31st Jul 20255411 AMAQI
31st Jul 20255612 PMAQI
31st Jul 2025561 PMAQI
31st Jul 2025532 PMAQI
31st Jul 2025473 PMAQI
31st Jul 2025494 PMAQI
31st Jul 2025425 PMAQI
31st Jul 2025526 PMAQI
31st Jul 2025567 PMAQI
31st Jul 2025568 PMAQI
31st Jul 2025609 PMAQI
31st Jul 20255810 PMAQI
31st Jul 20255511 PMAQI
1st Aug 20255612 AMAQI
1st Aug 2025561 AMAQI
1st Aug 2025542 AMAQI
1st Aug 2025543 AMAQI
1st Aug 2025544 AMAQI
23°C20/28°C
1st Aug 2025535 AMAQI
1st Aug 2025526 AMAQI
1st Aug 2025567 AMAQI
1st Aug 2025578 AMAQI
1st Aug 2025489 AMAQI
1st Aug 20255710 AMAQI
1st Aug 20255411 AMAQI
1st Aug 20256612 PMAQI
1st Aug 2025561 PMAQI
1st Aug 2025522 PMAQI
1st Aug 2025373 PMAQI
1st Aug 2025494 PMAQI
1st Aug 2025535 PMAQI
1st Aug 2025536 PMAQI
1st Aug 2025557 PMAQI
1st Aug 2025528 PMAQI
1st Aug 2025509 PMAQI
1st Aug 20255610 PMAQI
1st Aug 20255411 PMAQI
2nd Aug 20255612 AMAQI
2nd Aug 2025571 AMAQI
2nd Aug 2025552 AMAQI
2nd Aug 2025533 AMAQI
2nd Aug 2025544 AMAQI
23°C19/29°C
2nd Aug 2025545 AMAQI
2nd Aug 2025556 AMAQI
2nd Aug 2025487 AMAQI
2nd Aug 2025468 AMAQI
2nd Aug 2025549 AMAQI
2nd Aug 20254810 AMAQI
2nd Aug 20255411 AMAQI
2nd Aug 20254812 PMAQI
2nd Aug 2025441 PMAQI
2nd Aug 2025482 PMAQI
2nd Aug 2025443 PMAQI
2nd Aug 2025414 PMAQI
2nd Aug 2025515 PMAQI
2nd Aug 2025486 PMAQI
2nd Aug 2025517 PMAQI
2nd Aug 2025538 PMAQI
2nd Aug 2025599 PMAQI
2nd Aug 20255310 PMAQI
2nd Aug 20255611 PMAQI
3rd Aug 20255612 AMAQI
3rd Aug 2025551 AMAQI
3rd Aug 2025542 AMAQI
3rd Aug 2025543 AMAQI
3rd Aug 2025544 AMAQI
23°C20/30°C
3rd Aug 2025555 AMAQI
3rd Aug 2025556 AMAQI
3rd Aug 2025567 AMAQI
3rd Aug 2025508 AMAQI
3rd Aug 2025519 AMAQI
3rd Aug 20255810 AMAQI
3rd Aug 20255411 AMAQI
3rd Aug 20254612 PMAQI
3rd Aug 2025531 PMAQI
3rd Aug 2025462 PMAQI
3rd Aug 2025453 PMAQI
3rd Aug 2025464 PMAQI
3rd Aug 2025465 PMAQI
3rd Aug 2025456 PMAQI
3rd Aug 2025507 PMAQI
3rd Aug 2025558 PMAQI
3rd Aug 2025559 PMAQI
3rd Aug 20255610 PMAQI
3rd Aug 20255511 PMAQI
4th Aug 20255412 AMAQI
4th Aug 2025561 AMAQI
4th Aug 2025542 AMAQI
4th Aug 2025533 AMAQI
4th Aug 2025534 AMAQI
24°C19/30°C
4th Aug 2025545 AMAQI
4th Aug 2025546 AMAQI
4th Aug 2025527 AMAQI
4th Aug 2025538 AMAQI
4th Aug 2025519 AMAQI
4th Aug 20255710 AMAQI
4th Aug 20255711 AMAQI
4th Aug 20255512 PMAQI
4th Aug 2025571 PMAQI
4th Aug 2025462 PMAQI
4th Aug 2025553 PMAQI
4th Aug 2025544 PMAQI
4th Aug 2025535 PMAQI
4th Aug 2025546 PMAQI
4th Aug 2025567 PMAQI
4th Aug 2025568 PMAQI
4th Aug 2025589 PMAQI
4th Aug 20255810 PMAQI
4th Aug 20255411 PMAQI
5th Aug 20255412 AMAQI
5th Aug 2025541 AMAQI
5th Aug 2025552 AMAQI
5th Aug 2025543 AMAQI
5th Aug 2025534 AMAQI
22°C20/25°C
5th Aug 2025535 AMAQI
5 AM5th Aug 2025546 AMAQI
5th Aug 2025557 AMAQI
5th Aug 2025558 AMAQI
5th Aug 2025519 AMAQI
5th Aug 20255510 AMAQI
12 PM
7 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 6 AM
47AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
3 PM - 7 PM
41AQI
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. 47), while the lowest AQI was between 3 PM to 7 PM (Avg. 41).
Night time
Avg. Highest Time
12 AM - 11 PM
46AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM - 11 PM
46AQI
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. 46), while the lowest AQI was between 12 AM to 11 PM (Avg. 46).
2025 Days Vs Air Quality
Chai Prakan Hospital, Ban Piang Luang, Chiang Mai, Thailand
2025
24%
51
39%
84
31%
68
6%
13
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Good
51 DaysModerate
84 DaysPoor
68 DaysUnhealthy
13 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 24%
Health Risk Level:
Very high
In 2025, 24% of 217 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
Chai Prakan Hospital, 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
85AQI
85AQI
2nd January 2025
77AQI
77AQI
3rd January 2025
82AQI
82AQI
4th January 2025
89AQI
89AQI
5th January 2025
96AQI
96AQI
6th January 2025
108AQI
108AQI
7th January 2025
104AQI
104AQI
8th January 2025
108AQI
108AQI
9th January 2025
122AQI
122AQI
10th January 2025
113AQI
113AQI
11th January 2025
108AQI
108AQI
12th January 2025
91AQI
91AQI
13th January 2025
96AQI
96AQI
14th January 2025
95AQI
95AQI
15th January 2025
101AQI
101AQI
16th January 2025
97AQI
97AQI
17th January 2025
93AQI
93AQI
18th January 2025
91AQI
91AQI
19th January 2025
93AQI
93AQI
20th January 2025
104AQI
104AQI
21st January 2025
112AQI
112AQI
22nd January 2025
112AQI
112AQI
23rd January 2025
114AQI
114AQI
24th January 2025
111AQI
111AQI
25th January 2025
107AQI
107AQI
26th January 2025
101AQI
101AQI
27th January 2025
90AQI
90AQI
28th January 2025
88AQI
88AQI
29th January 2025
99AQI
99AQI
30th January 2025
113AQI
113AQI
31st January 2025
102AQI
102AQI
1st February 2025
99AQI
99AQI
2nd February 2025
101AQI
101AQI
3rd February 2025
104AQI
104AQI
4th February 2025
112AQI
112AQI
5th February 2025
112AQI
112AQI
6th February 2025
112AQI
112AQI
7th February 2025
109AQI
109AQI
8th February 2025
108AQI
108AQI
9th February 2025
97AQI
97AQI
10th February 2025
103AQI
103AQI
11th February 2025
107AQI
107AQI
12th February 2025
114AQI
114AQI
13th February 2025
109AQI
109AQI
14th February 2025
108AQI
108AQI
15th February 2025
101AQI
101AQI
16th February 2025
123AQI
123AQI
17th February 2025
127AQI
127AQI
18th February 2025
123AQI
123AQI
19th February 2025
114AQI
114AQI
20th February 2025
115AQI
115AQI
21st February 2025
101AQI
101AQI
22nd February 2025
105AQI
105AQI
23rd February 2025
93AQI
93AQI
24th February 2025
79AQI
79AQI
25th February 2025
71AQI
71AQI
26th February 2025
64AQI
64AQI
27th February 2025
68AQI
68AQI
28th February 2025
74AQI
74AQI
1st March 2025
72AQI
72AQI
2nd March 2025
80AQI
80AQI
3rd March 2025
97AQI
97AQI
4th March 2025
110AQI
110AQI
5th March 2025
128AQI
128AQI
6th March 2025
121AQI
121AQI
7th March 2025
130AQI
130AQI
8th March 2025
118AQI
118AQI
9th March 2025
106AQI
106AQI
10th March 2025
97AQI
97AQI
11th March 2025
103AQI
103AQI
12th March 2025
105AQI
105AQI
13th March 2025
103AQI
103AQI
14th March 2025
109AQI
109AQI
15th March 2025
132AQI
132AQI
16th March 2025
126AQI
126AQI
17th March 2025
143AQI
143AQI
18th March 2025
129AQI
129AQI
19th March 2025
113AQI
113AQI
20th March 2025
99AQI
99AQI
21st March 2025
119AQI
119AQI
22nd March 2025
136AQI
136AQI
23rd March 2025
149AQI
149AQI
24th March 2025
154AQI
154AQI
25th March 2025
157AQI
157AQI
26th March 2025
154AQI
154AQI
27th March 2025
153AQI
153AQI
28th March 2025
163AQI
163AQI
29th March 2025
162AQI
162AQI
30th March 2025
164AQI
164AQI
31st March 2025
159AQI
159AQI
1st April 2025
154AQI
154AQI
2nd April 2025
151AQI
151AQI
3rd April 2025
152AQI
152AQI
4th April 2025
152AQI
152AQI
5th April 2025
152AQI
152AQI
6th April 2025
144AQI
144AQI
7th April 2025
115AQI
115AQI
8th April 2025
107AQI
107AQI
9th April 2025
132AQI
132AQI
10th April 2025
131AQI
131AQI
11th April 2025
131AQI
131AQI
12th April 2025
100AQI
100AQI
13th April 2025
86AQI
86AQI
14th April 2025
64AQI
64AQI
15th April 2025
62AQI
62AQI
16th April 2025
59AQI
59AQI
17th April 2025
60AQI
60AQI
18th April 2025
57AQI
57AQI
19th April 2025
59AQI
59AQI
20th April 2025
63AQI
63AQI
21st April 2025
68AQI
68AQI
22nd April 2025
81AQI
81AQI
23rd April 2025
91AQI
91AQI
24th April 2025
99AQI
99AQI
25th April 2025
108AQI
108AQI
26th April 2025
110AQI
110AQI
27th April 2025
111AQI
111AQI
28th April 2025
82AQI
82AQI
29th April 2025
76AQI
76AQI
30th April 2025
69AQI
69AQI
1st May 2025
66AQI
66AQI
2nd May 2025
72AQI
72AQI
3rd May 2025
65AQI
65AQI
4th May 2025
73AQI
73AQI
5th May 2025
73AQI
73AQI
6th May 2025
92AQI
92AQI
7th May 2025
107AQI
107AQI
8th May 2025
102AQI
102AQI
9th May 2025
108AQI
108AQI
10th May 2025
118AQI
118AQI
11th May 2025
112AQI
112AQI
12th May 2025
85AQI
85AQI
13th May 2025
73AQI
73AQI
14th May 2025
74AQI
74AQI
15th May 2025
52AQI
52AQI
16th May 2025
54AQI
54AQI
17th May 2025
53AQI
53AQI
18th May 2025
48AQI
48AQI
19th May 2025
47AQI
47AQI
20th May 2025
54AQI
54AQI
21st May 2025
61AQI
61AQI
22nd May 2025
72AQI
72AQI
23rd May 2025
58AQI
58AQI
24th May 2025
56AQI
56AQI
25th May 2025
51AQI
51AQI
26th May 2025
52AQI
52AQI
27th May 2025
55AQI
55AQI
28th May 2025
50AQI
50AQI
29th May 2025
50AQI
50AQI
30th May 2025
52AQI
52AQI
31st May 2025
49AQI
49AQI
1st June 2025
58AQI
58AQI
2nd June 2025
54AQI
54AQI
3rd June 2025
65AQI
65AQI
4th June 2025
71AQI
71AQI
5th June 2025
73AQI
73AQI
6th June 2025
71AQI
71AQI
7th June 2025
88AQI
88AQI
8th June 2025
87AQI
87AQI
9th June 2025
79AQI
79AQI
10th June 2025
62AQI
62AQI
11th June 2025
60AQI
60AQI
12th June 2025
55AQI
55AQI
13th June 2025
57AQI
57AQI
14th June 2025
57AQI
57AQI
15th June 2025
52AQI
52AQI
16th June 2025
50AQI
50AQI
17th June 2025
48AQI
48AQI
18th June 2025
37AQI
37AQI
19th June 2025
38AQI
38AQI
20th June 2025
41AQI
41AQI
21st June 2025
43AQI
43AQI
22nd June 2025
46AQI
46AQI
23rd June 2025
39AQI
39AQI
24th June 2025
39AQI
39AQI
25th June 2025
41AQI
41AQI
26th June 2025
43AQI
43AQI
27th June 2025
40AQI
40AQI
28th June 2025
42AQI
42AQI
29th June 2025
41AQI
41AQI
30th June 2025
45AQI
45AQI
1st July 2025
47AQI
47AQI
2nd July 2025
46AQI
46AQI
3rd July 2025
50AQI
50AQI
4th July 2025
45AQI
45AQI
5th July 2025
42AQI
42AQI
6th July 2025
43AQI
43AQI
7th July 2025
39AQI
39AQI
8th July 2025
42AQI
42AQI
9th July 2025
47AQI
47AQI
10th July 2025
46AQI
46AQI
11th July 2025
47AQI
47AQI
12th July 2025
45AQI
45AQI
13th July 2025
43AQI
43AQI
14th July 2025
43AQI
43AQI
15th July 2025
43AQI
43AQI
16th July 2025
41AQI
41AQI
17th July 2025
43AQI
43AQI
18th July 2025
39AQI
39AQI
19th July 2025
37AQI
37AQI
20th July 2025
40AQI
40AQI
21st July 2025
43AQI
43AQI
22nd July 2025
45AQI
45AQI
23rd July 2025
42AQI
42AQI
24th July 2025
38AQI
38AQI
25th July 2025
37AQI
37AQI
26th July 2025
43AQI
43AQI
27th July 2025
46AQI
46AQI
28th July 2025
42AQI
42AQI
29th July 2025
40AQI
40AQI
30th July 2025
44AQI
44AQI
31st July 2025
50AQI
50AQI
1st August 2025
54AQI
54AQI
2nd August 2025
52AQI
52AQI
3rd August 2025
52AQI
52AQI
4th August 2025
54AQI
54AQI
100AQI
102AQI
126AQI
101AQI
69AQI
54AQI
43AQI
53AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202584AQI
15
16
8
20
5
18
8
16
9
5
5
21
5
15
15
31
4
51
84
68
13
Highest AQI recorded in
March126AQI
Lowest AQI recorded in
July43AQI
202452AQI
16
1
1
3
9
29
1
31
24
5
24
5
17
14
8
22
31
136
103
1
1
Highest AQI recorded in
April173AQI
Lowest AQI recorded in
September38AQI
202375AQI
2
1
31
33
1
Highest AQI recorded in
November89AQI
Lowest AQI recorded in
December74AQI
202283AQI
3
9
3
5
18
1
3
4
11
6
17
3
1
17
11
23
1
9
16
4
3
11
4
59
64
30
30
Highest AQI recorded in
March143AQI
Lowest AQI recorded in
July28AQI
2021106AQI
1
15
15
1
2
16
9
15
13
3
10
13
4
3
2
21
8
22
8
21
10
12
16
3
6
19
4
2
6
3
11
14
23
6
66
104
99
49
16
3
Highest AQI recorded in
March219AQI
Lowest AQI recorded in
June41AQI
202099AQI
1
6
2
1
6
9
1
7
1
2
10
8
5
2
1
1
9
26
13
16
15
2
Highest AQI recorded in
March211AQI
Lowest AQI recorded in
July22AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2021(Avg.)
106AQILeast Polluted Year Recorded
2024(Avg.)
52AQIChai Prakan Hospital's annual 2025 AQI (84) shows an average percentage change of 8.1% (worsened AQI) compared to previous years: 2020 (99), 2021 (106), 2022 (83), 2023 (75), 2024 (52).
