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HistoryAQIPM2.5PM10COSO2NO2O3

Chai Wan Hospital, Ban Dung, Udon Thani, 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 Wan Hospital, Ban Dung, Udon Thani, Thailand

2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
1st Aug 2025
58AQI
Lowest AQI recorded on
4th Aug 2024
5AQI

Same Day Analysis (2nd August ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 1st highest AQI at 57 of Moderate air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 3rd Aug - 4th Aug 2025

Chai Wan Hospital, Ban Dung, Udon Thani, Thailand

AQI
Day
Night
.

5 AM3rd Aug 2025

6 PM

4 AM4th Aug 2025

Day time
Avg. Highest Time
12AMNaNth undefined

AQI

Avg. Lowest Time
12AMNaNth undefined

AQI

Night time
Avg. Highest Time
9AM3rd Aug

66AQI

Avg. Lowest Time
5PM3rd Aug

53AQI

In the last 24 hours,

Chai Wan Hospital's AQI reached its highest point of 66 at 9 AM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 3rd Aug and 4th Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Chai Wan Hospital, Ban Dung, Udon Thani, Thailand

JulAug
05th - 06th06th - 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
Day
Night
5th Jul 2025535 AMAQI
5th Jul 2025536 AMAQI
5th Jul 2025497 AMAQI
5th Jul 2025458 AMAQI
5th Jul 2025459 AMAQI
5th Jul 20254410 AMAQI
5th Jul 20254911 AMAQI
5th Jul 20255412 PMAQI
5th Jul 2025531 PMAQI
5th Jul 2025462 PMAQI
5th Jul 2025473 PMAQI
5th Jul 2025444 PMAQI
5th Jul 2025395 PMAQI
5th Jul 2025506 PMAQI
5th Jul 2025447 PMAQI
5th Jul 2025448 PMAQI
5th Jul 2025429 PMAQI
5th Jul 20254010 PMAQI
5th Jul 20254011 PMAQI
6th Jul 20254112 AMAQI
6th Jul 2025441 AMAQI
6th Jul 2025532 AMAQI
6th Jul 2025533 AMAQI
6th Jul 2025544 AMAQI

26°C24/29°C

6th Jul 2025545 AMAQI
6th Jul 2025546 AMAQI
6th Jul 2025467 AMAQI
6th Jul 2025418 AMAQI
6th Jul 2025389 AMAQI
6th Jul 20253410 AMAQI
6th Jul 20254511 AMAQI
6th Jul 20254612 PMAQI
6th Jul 2025501 PMAQI
6th Jul 2025402 PMAQI
6th Jul 2025443 PMAQI
6th Jul 2025434 PMAQI
6th Jul 2025445 PMAQI
6th Jul 2025486 PMAQI
6th Jul 2025487 PMAQI
6th Jul 2025508 PMAQI
6th Jul 2025509 PMAQI
6th Jul 20255110 PMAQI
6th Jul 20254811 PMAQI
7th Jul 20254912 AMAQI
7th Jul 2025531 AMAQI
7th Jul 2025522 AMAQI
7th Jul 2025533 AMAQI
7th Jul 2025524 AMAQI

25°C23/26°C

7th Jul 2025535 AMAQI
7th Jul 2025536 AMAQI
7th Jul 2025487 AMAQI
7th Jul 2025478 AMAQI
7th Jul 2025429 AMAQI
7th Jul 20253310 AMAQI
7th Jul 20254811 AMAQI
7th Jul 20254012 PMAQI
7th Jul 2025421 PMAQI
7th Jul 2025472 PMAQI
7th Jul 2025563 PMAQI
7th Jul 2025424 PMAQI
7th Jul 2025445 PMAQI
7th Jul 2025446 PMAQI
7th Jul 2025417 PMAQI
7th Jul 2025438 PMAQI
7th Jul 2025449 PMAQI
7th Jul 20254210 PMAQI
7th Jul 20254511 PMAQI
8th Jul 20255012 AMAQI
8th Jul 2025531 AMAQI
8th Jul 2025532 AMAQI
8th Jul 2025533 AMAQI
8th Jul 2025534 AMAQI

27°C24/31°C

8th Jul 2025535 AMAQI
8th Jul 2025536 AMAQI
8th Jul 2025407 AMAQI
8th Jul 2025488 AMAQI
8th Jul 2025599 AMAQI
8th Jul 20254410 AMAQI
8th Jul 20254711 AMAQI
8th Jul 20254212 PMAQI
8th Jul 2025451 PMAQI
8th Jul 2025582 PMAQI
8th Jul 2025473 PMAQI
8th Jul 2025484 PMAQI
8th Jul 2025435 PMAQI
8th Jul 2025456 PMAQI
8th Jul 2025507 PMAQI
8th Jul 2025478 PMAQI
8th Jul 2025469 PMAQI
8th Jul 20255210 PMAQI
8th Jul 20255111 PMAQI
9th Jul 20255012 AMAQI
9th Jul 2025471 AMAQI
9th Jul 2025522 AMAQI
9th Jul 2025533 AMAQI
9th Jul 2025534 AMAQI

27°C25/32°C

9th Jul 2025545 AMAQI
9th Jul 2025536 AMAQI
9th Jul 2025487 AMAQI
9th Jul 2025488 AMAQI
9th Jul 2025499 AMAQI
9th Jul 20255310 AMAQI
9th Jul 20255011 AMAQI
9th Jul 20254612 PMAQI
9th Jul 2025461 PMAQI
9th Jul 2025432 PMAQI
9th Jul 2025513 PMAQI
9th Jul 2025514 PMAQI
9th Jul 2025495 PMAQI
9th Jul 2025496 PMAQI
9th Jul 2025427 PMAQI
9th Jul 2025448 PMAQI
9th Jul 2025459 PMAQI
9th Jul 20254610 PMAQI
9th Jul 20254511 PMAQI
10th Jul 20255012 AMAQI
10th Jul 2025541 AMAQI
10th Jul 2025532 AMAQI
10th Jul 2025543 AMAQI
10th Jul 2025534 AMAQI

26°C24/30°C

10th Jul 2025545 AMAQI
10th Jul 2025536 AMAQI
10th Jul 2025497 AMAQI
10th Jul 2025608 AMAQI
10th Jul 2025469 AMAQI
10th Jul 20254410 AMAQI
10th Jul 20255211 AMAQI
10th Jul 20255812 PMAQI
10th Jul 2025641 PMAQI
10th Jul 2025702 PMAQI
10th Jul 2025533 PMAQI
10th Jul 2025434 PMAQI
10th Jul 2025475 PMAQI
10th Jul 2025446 PMAQI
10th Jul 2025507 PMAQI
10th Jul 2025528 PMAQI
10th Jul 2025519 PMAQI
10th Jul 20255210 PMAQI
10th Jul 20255211 PMAQI
11th Jul 20254912 AMAQI
11th Jul 2025531 AMAQI
11th Jul 2025532 AMAQI
11th Jul 2025543 AMAQI
11th Jul 2025544 AMAQI

26°C24/28°C

11th Jul 2025545 AMAQI
11th Jul 2025546 AMAQI
11th Jul 2025417 AMAQI
11th Jul 2025388 AMAQI
11th Jul 2025429 AMAQI
11th Jul 20253810 AMAQI
11th Jul 20254011 AMAQI
11th Jul 20254212 PMAQI
11th Jul 2025561 PMAQI
11th Jul 2025512 PMAQI
11th Jul 2025463 PMAQI
11th Jul 2025434 PMAQI
11th Jul 2025535 PMAQI
11th Jul 2025486 PMAQI
11th Jul 2025517 PMAQI
11th Jul 2025498 PMAQI
11th Jul 2025499 PMAQI
11th Jul 20255110 PMAQI
11th Jul 20255011 PMAQI
12th Jul 20255112 AMAQI
12th Jul 2025541 AMAQI
12th Jul 2025552 AMAQI
12th Jul 2025543 AMAQI
12th Jul 2025554 AMAQI

24°C23/26°C

12th Jul 2025545 AMAQI
12th Jul 2025546 AMAQI
12th Jul 2025457 AMAQI
12th Jul 2025488 AMAQI
12th Jul 2025399 AMAQI
12th Jul 20254210 AMAQI
12th Jul 20254211 AMAQI
12th Jul 20255412 PMAQI
12th Jul 2025661 PMAQI
12th Jul 2025602 PMAQI
12th Jul 2025483 PMAQI
12th Jul 2025414 PMAQI
12th Jul 2025475 PMAQI
12th Jul 2025516 PMAQI
12th Jul 2025457 PMAQI
12th Jul 2025468 PMAQI
12th Jul 2025479 PMAQI
12th Jul 20254810 PMAQI
12th Jul 20255011 PMAQI
13th Jul 20255212 AMAQI
13th Jul 2025551 AMAQI
13th Jul 2025542 AMAQI
13th Jul 2025543 AMAQI
13th Jul 2025544 AMAQI

26°C24/30°C

13th Jul 2025545 AMAQI
13th Jul 2025556 AMAQI
13th Jul 2025487 AMAQI
13th Jul 2025398 AMAQI
13th Jul 2025389 AMAQI
13th Jul 20253710 AMAQI
13th Jul 20254511 AMAQI
13th Jul 20255112 PMAQI
13th Jul 2025461 PMAQI
13th Jul 2025422 PMAQI
13th Jul 2025443 PMAQI
13th Jul 2025444 PMAQI
13th Jul 2025445 PMAQI
13th Jul 2025506 PMAQI
13th Jul 2025507 PMAQI
13th Jul 2025498 PMAQI
13th Jul 2025519 PMAQI
13th Jul 20255210 PMAQI
13th Jul 20255211 PMAQI
14th Jul 20255112 AMAQI
14th Jul 2025591 AMAQI
14th Jul 2025612 AMAQI
14th Jul 2025543 AMAQI
14th Jul 2025544 AMAQI

27°C25/31°C

14th Jul 2025545 AMAQI
14th Jul 2025546 AMAQI
14th Jul 2025547 AMAQI
14th Jul 2025478 AMAQI
14th Jul 2025459 AMAQI
14th Jul 20255010 AMAQI
14th Jul 20255011 AMAQI
14th Jul 20254212 PMAQI
14th Jul 2025481 PMAQI
14th Jul 2025442 PMAQI
14th Jul 2025463 PMAQI
14th Jul 2025424 PMAQI
14th Jul 2025435 PMAQI
14th Jul 2025466 PMAQI
14th Jul 2025507 PMAQI
14th Jul 2025528 PMAQI
14th Jul 2025519 PMAQI
14th Jul 20255210 PMAQI
14th Jul 20255111 PMAQI
15th Jul 20255112 AMAQI
15th Jul 2025541 AMAQI
15th Jul 2025542 AMAQI
15th Jul 2025543 AMAQI
15th Jul 2025554 AMAQI

28°C25/33°C

15th Jul 2025545 AMAQI
15th Jul 2025556 AMAQI
15th Jul 2025607 AMAQI
15th Jul 2025558 AMAQI
15th Jul 2025519 AMAQI
15th Jul 20254410 AMAQI
15th Jul 20254611 AMAQI
15th Jul 20255212 PMAQI
15th Jul 2025551 PMAQI
15th Jul 2025562 PMAQI
15th Jul 2025533 PMAQI
15th Jul 2025534 PMAQI
15th Jul 2025545 PMAQI
15th Jul 2025526 PMAQI
15th Jul 2025517 PMAQI
15th Jul 2025518 PMAQI
15th Jul 2025509 PMAQI
15th Jul 20254510 PMAQI
15th Jul 20254411 PMAQI
16th Jul 20254912 AMAQI
16th Jul 2025531 AMAQI
16th Jul 2025542 AMAQI
16th Jul 2025543 AMAQI
16th Jul 2025544 AMAQI

28°C25/30°C

16th Jul 2025545 AMAQI
16th Jul 2025546 AMAQI
16th Jul 2025347 AMAQI
16th Jul 2025338 AMAQI
16th Jul 2025379 AMAQI
16th Jul 20254010 AMAQI
16th Jul 20254211 AMAQI
16th Jul 20254412 PMAQI
16th Jul 2025401 PMAQI
16th Jul 2025422 PMAQI
16th Jul 2025433 PMAQI
16th Jul 2025464 PMAQI
16th Jul 2025455 PMAQI
16th Jul 2025446 PMAQI
16th Jul 2025457 PMAQI
16th Jul 2025468 PMAQI
16th Jul 2025489 PMAQI
16th Jul 20255010 PMAQI
16th Jul 20255011 PMAQI
17th Jul 20255012 AMAQI
17th Jul 2025521 AMAQI
17th Jul 2025522 AMAQI
17th Jul 2025523 AMAQI
17th Jul 2025524 AMAQI

26°C24/29°C

17th Jul 2025525 AMAQI
17th Jul 2025516 AMAQI
17th Jul 2025427 AMAQI
17th Jul 2025428 AMAQI
17th Jul 2025459 AMAQI
17th Jul 20254610 AMAQI
17th Jul 20254911 AMAQI
17th Jul 20255212 PMAQI
17th Jul 2025521 PMAQI
17th Jul 2025492 PMAQI
17th Jul 2025403 PMAQI
17th Jul 2025384 PMAQI
17th Jul 2025385 PMAQI
17th Jul 2025406 PMAQI
17th Jul 2025467 PMAQI
17th Jul 2025458 PMAQI
17th Jul 2025469 PMAQI
17th Jul 20254410 PMAQI
17th Jul 20254611 PMAQI
18th Jul 20254412 AMAQI
18th Jul 2025511 AMAQI
18th Jul 2025522 AMAQI
18th Jul 2025523 AMAQI
18th Jul 2025524 AMAQI

26°C24/30°C

18th Jul 2025525 AMAQI
18th Jul 2025526 AMAQI
18th Jul 2025387 AMAQI
18th Jul 2025418 AMAQI
18th Jul 2025389 AMAQI
18th Jul 20253510 AMAQI
18th Jul 20253711 AMAQI
18th Jul 20253712 PMAQI
18th Jul 2025381 PMAQI
18th Jul 2025362 PMAQI
18th Jul 2025383 PMAQI
18th Jul 2025384 PMAQI
18th Jul 2025355 PMAQI
18th Jul 2025356 PMAQI
18th Jul 2025427 PMAQI
18th Jul 2025418 PMAQI
18th Jul 2025449 PMAQI
18th Jul 20254410 PMAQI
18th Jul 20254211 PMAQI
19th Jul 20254612 AMAQI
19th Jul 2025501 AMAQI
19th Jul 2025492 AMAQI
19th Jul 2025503 AMAQI
19th Jul 2025504 AMAQI

27°C24/32°C

19th Jul 2025505 AMAQI
19th Jul 2025506 AMAQI
19th Jul 2025497 AMAQI
19th Jul 2025488 AMAQI
19th Jul 2025389 AMAQI
19th Jul 20254110 AMAQI
19th Jul 20254011 AMAQI
19th Jul 20253812 PMAQI
19th Jul 2025381 PMAQI
19th Jul 2025372 PMAQI
19th Jul 2025373 PMAQI
19th Jul 2025374 PMAQI
19th Jul 2025385 PMAQI
19th Jul 2025396 PMAQI
19th Jul 2025407 PMAQI
19th Jul 2025428 PMAQI
19th Jul 2025429 PMAQI
19th Jul 20254210 PMAQI
19th Jul 20254111 PMAQI
20th Jul 20253912 AMAQI
20th Jul 2025421 AMAQI
20th Jul 2025482 AMAQI
20th Jul 2025473 AMAQI
20th Jul 2025484 AMAQI

28°C24/31°C

20th Jul 2025485 AMAQI
20th Jul 2025486 AMAQI
20th Jul 2025407 AMAQI
20th Jul 2025418 AMAQI
20th Jul 2025389 AMAQI
20th Jul 20253510 AMAQI
20th Jul 20253611 AMAQI
20th Jul 20253812 PMAQI
20th Jul 2025391 PMAQI
20th Jul 2025382 PMAQI
20th Jul 2025393 PMAQI
20th Jul 2025404 PMAQI
20th Jul 2025385 PMAQI
20th Jul 2025406 PMAQI
20th Jul 2025427 PMAQI
20th Jul 2025418 PMAQI
20th Jul 2025469 PMAQI
20th Jul 20254410 PMAQI
20th Jul 20254011 PMAQI
21st Jul 20253912 AMAQI
21st Jul 2025381 AMAQI
21st Jul 2025392 AMAQI
21st Jul 2025453 AMAQI
21st Jul 2025464 AMAQI

27°C25/31°C

21st Jul 2025445 AMAQI
21st Jul 2025446 AMAQI
21st Jul 2025427 AMAQI
21st Jul 2025468 AMAQI
21st Jul 2025449 AMAQI
21st Jul 20254210 AMAQI
21st Jul 20254011 AMAQI
21st Jul 20253812 PMAQI
21st Jul 2025381 PMAQI
21st Jul 2025372 PMAQI
21st Jul 2025383 PMAQI
21st Jul 2025364 PMAQI
21st Jul 2025465 PMAQI
21st Jul 2025366 PMAQI
21st Jul 2025487 PMAQI
21st Jul 2025428 PMAQI
21st Jul 2025419 PMAQI
21st Jul 20253810 PMAQI
21st Jul 20253911 PMAQI
22nd Jul 20253812 AMAQI
22nd Jul 2025431 AMAQI
22nd Jul 2025442 AMAQI
22nd Jul 2025463 AMAQI
22nd Jul 2025464 AMAQI

25°C24/28°C

22nd Jul 2025445 AMAQI
22nd Jul 2025446 AMAQI
22nd Jul 2025287 AMAQI
22nd Jul 2025268 AMAQI
22nd Jul 2025329 AMAQI
22nd Jul 20253610 AMAQI
22nd Jul 20253411 AMAQI
22nd Jul 20253412 PMAQI
22nd Jul 2025291 PMAQI
22nd Jul 2025302 PMAQI
22nd Jul 2025363 PMAQI
22nd Jul 2025324 PMAQI
22nd Jul 2025375 PMAQI
22nd Jul 2025416 PMAQI
22nd Jul 2025427 PMAQI
22nd Jul 2025438 PMAQI
22nd Jul 2025479 PMAQI
22nd Jul 20254910 PMAQI
22nd Jul 20254411 PMAQI
23rd Jul 20254312 AMAQI
23rd Jul 2025441 AMAQI
23rd Jul 2025442 AMAQI
23rd Jul 2025433 AMAQI
23rd Jul 2025434 AMAQI

24°C23/24°C

23rd Jul 2025435 AMAQI
23rd Jul 2025436 AMAQI
23rd Jul 2025427 AMAQI
23rd Jul 2025488 AMAQI
23rd Jul 2025539 AMAQI
23rd Jul 20254610 AMAQI
23rd Jul 20254011 AMAQI
23rd Jul 20253312 PMAQI
23rd Jul 2025351 PMAQI
23rd Jul 2025352 PMAQI
23rd Jul 2025303 PMAQI
23rd Jul 2025284 PMAQI
23rd Jul 2025305 PMAQI
23rd Jul 2025306 PMAQI
23rd Jul 2025427 PMAQI
23rd Jul 2025428 PMAQI
23rd Jul 2025449 PMAQI
23rd Jul 20255010 PMAQI
23rd Jul 20254311 PMAQI
24th Jul 20254412 AMAQI
24th Jul 2025461 AMAQI
24th Jul 2025462 AMAQI
24th Jul 2025453 AMAQI
24th Jul 2025464 AMAQI

24°C23/26°C

24th Jul 2025465 AMAQI
24th Jul 2025466 AMAQI
24th Jul 2025347 AMAQI
24th Jul 2025508 AMAQI
24th Jul 2025319 AMAQI
24th Jul 20252610 AMAQI
24th Jul 20253011 AMAQI
24th Jul 20253012 PMAQI
24th Jul 2025491 PMAQI
24th Jul 2025572 PMAQI
24th Jul 2025453 PMAQI
24th Jul 2025394 PMAQI
24th Jul 2025435 PMAQI
24th Jul 2025356 PMAQI
24th Jul 2025447 PMAQI
24th Jul 2025448 PMAQI
24th Jul 2025429 PMAQI
24th Jul 20254010 PMAQI
24th Jul 20254211 PMAQI
25th Jul 20254412 AMAQI
25th Jul 2025461 AMAQI
25th Jul 2025462 AMAQI
25th Jul 2025463 AMAQI
25th Jul 2025464 AMAQI

25°C24/29°C

25th Jul 2025455 AMAQI
25th Jul 2025456 AMAQI
25th Jul 2025627 AMAQI
25th Jul 2025568 AMAQI
25th Jul 2025469 AMAQI
25th Jul 20253910 AMAQI
25th Jul 20254311 AMAQI
25th Jul 20254212 PMAQI
25th Jul 2025451 PMAQI
25th Jul 2025382 PMAQI
25th Jul 2025383 PMAQI
25th Jul 2025384 PMAQI
25th Jul 2025405 PMAQI
25th Jul 2025386 PMAQI
25th Jul 2025447 PMAQI
25th Jul 2025458 PMAQI
25th Jul 2025469 PMAQI
25th Jul 20254610 PMAQI
25th Jul 20254411 PMAQI
26th Jul 20254612 AMAQI
26th Jul 2025481 AMAQI
26th Jul 2025492 AMAQI
26th Jul 2025483 AMAQI
26th Jul 2025484 AMAQI

25°C24/26°C

26th Jul 2025495 AMAQI
26th Jul 2025526 AMAQI
26th Jul 2025547 AMAQI
26th Jul 2025548 AMAQI
26th Jul 2025589 AMAQI
26th Jul 20255610 AMAQI
26th Jul 20255211 AMAQI
26th Jul 20255512 PMAQI
26th Jul 2025581 PMAQI
26th Jul 2025562 PMAQI
26th Jul 2025483 PMAQI
26th Jul 2025474 PMAQI
26th Jul 2025435 PMAQI
26th Jul 2025456 PMAQI
26th Jul 2025447 PMAQI
26th Jul 2025468 PMAQI
26th Jul 2025459 PMAQI
26th Jul 20254810 PMAQI
26th Jul 20254811 PMAQI
27th Jul 20255012 AMAQI
27th Jul 2025521 AMAQI
27th Jul 2025522 AMAQI
27th Jul 2025533 AMAQI
27th Jul 2025534 AMAQI

25°C24/26°C

27th Jul 2025525 AMAQI
27th Jul 2025526 AMAQI
27th Jul 2025517 AMAQI
27th Jul 2025428 AMAQI
27th Jul 2025519 AMAQI
27th Jul 20255110 AMAQI
27th Jul 20254011 AMAQI
27th Jul 20253612 PMAQI
27th Jul 2025381 PMAQI
27th Jul 2025372 PMAQI
27th Jul 2025403 PMAQI
27th Jul 2025464 PMAQI
27th Jul 2025445 PMAQI
27th Jul 2025406 PMAQI
27th Jul 2025487 PMAQI
27th Jul 2025488 PMAQI
27th Jul 2025489 PMAQI
27th Jul 20254610 PMAQI
27th Jul 20254911 PMAQI
28th Jul 20254912 AMAQI
28th Jul 2025501 AMAQI
28th Jul 2025502 AMAQI
28th Jul 2025513 AMAQI
28th Jul 2025524 AMAQI

24°C23/27°C

28th Jul 2025525 AMAQI
28th Jul 2025516 AMAQI
28th Jul 2025527 AMAQI
28th Jul 2025488 AMAQI
28th Jul 2025509 AMAQI
28th Jul 20254110 AMAQI
28th Jul 20254411 AMAQI
28th Jul 20254212 PMAQI
28th Jul 2025351 PMAQI
28th Jul 2025382 PMAQI
28th Jul 2025363 PMAQI
28th Jul 2025374 PMAQI
28th Jul 2025405 PMAQI
28th Jul 2025386 PMAQI
28th Jul 2025467 PMAQI
28th Jul 2025498 PMAQI
28th Jul 2025509 PMAQI
28th Jul 20255010 PMAQI
28th Jul 20254611 PMAQI
29th Jul 20254812 AMAQI
29th Jul 2025511 AMAQI
29th Jul 2025512 AMAQI
29th Jul 2025493 AMAQI
29th Jul 2025484 AMAQI

25°C23/29°C

29th Jul 2025515 AMAQI
29th Jul 2025526 AMAQI
29th Jul 2025497 AMAQI
29th Jul 2025468 AMAQI
29th Jul 2025359 AMAQI
29th Jul 20252710 AMAQI
29th Jul 20253411 AMAQI
29th Jul 20253312 PMAQI
29th Jul 2025391 PMAQI
29th Jul 2025402 PMAQI
29th Jul 2025413 PMAQI
29th Jul 2025374 PMAQI
29th Jul 2025385 PMAQI
29th Jul 2025366 PMAQI
29th Jul 2025477 PMAQI
29th Jul 2025518 PMAQI
29th Jul 2025519 PMAQI
29th Jul 20254910 PMAQI
29th Jul 20254511 PMAQI
30th Jul 20254912 AMAQI
30th Jul 2025521 AMAQI
30th Jul 2025512 AMAQI
30th Jul 2025513 AMAQI
30th Jul 2025514 AMAQI

27°C24/31°C

30th Jul 2025515 AMAQI
30th Jul 2025516 AMAQI
30th Jul 2025447 AMAQI
30th Jul 2025498 AMAQI
30th Jul 2025509 AMAQI
30th Jul 20254110 AMAQI
30th Jul 20254211 AMAQI
30th Jul 20254012 PMAQI
30th Jul 2025421 PMAQI
30th Jul 2025402 PMAQI
30th Jul 2025453 PMAQI
30th Jul 2025454 PMAQI
30th Jul 2025465 PMAQI
30th Jul 2025456 PMAQI
30th Jul 2025497 PMAQI
30th Jul 2025518 PMAQI
30th Jul 2025519 PMAQI
30th Jul 20255010 PMAQI
30th Jul 20255111 PMAQI
31st Jul 20255212 AMAQI
31st Jul 2025511 AMAQI
31st Jul 2025522 AMAQI
31st Jul 2025523 AMAQI
31st Jul 2025524 AMAQI

25°C24/28°C

31st Jul 2025525 AMAQI
31st Jul 2025526 AMAQI
31st Jul 2025527 AMAQI
31st Jul 2025528 AMAQI
31st Jul 2025539 AMAQI
31st Jul 20255710 AMAQI
31st Jul 20255311 AMAQI
31st Jul 20254812 PMAQI
31st Jul 2025481 PMAQI
31st Jul 2025492 PMAQI
31st Jul 2025483 PMAQI
31st Jul 2025524 PMAQI
31st Jul 2025515 PMAQI
31st Jul 2025506 PMAQI
31st Jul 2025567 PMAQI
31st Jul 2025588 PMAQI
31st Jul 2025609 PMAQI
31st Jul 20255910 PMAQI
31st Jul 20255911 PMAQI
1st Aug 20256012 AMAQI
1st Aug 2025621 AMAQI
1st Aug 2025552 AMAQI
1st Aug 2025553 AMAQI
1st Aug 2025554 AMAQI

27°C24/31°C

1st Aug 2025565 AMAQI
1st Aug 2025556 AMAQI
1st Aug 2025587 AMAQI
1st Aug 2025628 AMAQI
1st Aug 2025649 AMAQI
1st Aug 20255610 AMAQI
1st Aug 20255711 AMAQI
1st Aug 20256012 PMAQI
1st Aug 2025561 PMAQI
1st Aug 2025552 PMAQI
1st Aug 2025583 PMAQI
1st Aug 2025564 PMAQI
1st Aug 2025565 PMAQI
1st Aug 2025566 PMAQI
1st Aug 2025597 PMAQI
1st Aug 2025618 PMAQI
1st Aug 2025609 PMAQI
1st Aug 20256010 PMAQI
1st Aug 20255911 PMAQI
2nd Aug 20255912 AMAQI
2nd Aug 2025571 AMAQI
2nd Aug 2025572 AMAQI
2nd Aug 2025573 AMAQI
2nd Aug 2025564 AMAQI

28°C25/31°C

2nd Aug 2025575 AMAQI
2nd Aug 2025586 AMAQI
2nd Aug 2025567 AMAQI
2nd Aug 2025578 AMAQI
2nd Aug 2025549 AMAQI
2nd Aug 20255510 AMAQI
2nd Aug 20255311 AMAQI
2nd Aug 20255212 PMAQI
2nd Aug 2025521 PMAQI
2nd Aug 2025532 PMAQI
2nd Aug 2025563 PMAQI
2nd Aug 2025544 PMAQI
2nd Aug 2025515 PMAQI
2nd Aug 2025576 PMAQI
2nd Aug 2025587 PMAQI
2nd Aug 2025588 PMAQI
2nd Aug 2025599 PMAQI
2nd Aug 20256010 PMAQI
2nd Aug 20255911 PMAQI
3rd Aug 20255812 AMAQI
3rd Aug 2025591 AMAQI
3rd Aug 2025562 AMAQI
3rd Aug 2025563 AMAQI
3rd Aug 2025574 AMAQI

29°C25/33°C

3rd Aug 2025575 AMAQI
3rd Aug 2025576 AMAQI
3rd Aug 2025607 AMAQI
3rd Aug 2025628 AMAQI
3rd Aug 2025669 AMAQI
3rd Aug 20256610 AMAQI
3rd Aug 20256211 AMAQI
3rd Aug 20255612 PMAQI
3rd Aug 2025531 PMAQI
3rd Aug 2025532 PMAQI
3rd Aug 2025543 PMAQI
3rd Aug 2025564 PMAQI
3rd Aug 2025535 PMAQI
3rd Aug 2025546 PMAQI
3rd Aug 2025567 PMAQI
3rd Aug 2025608 PMAQI
3rd Aug 2025609 PMAQI
3rd Aug 20255910 PMAQI
3rd Aug 20255811 PMAQI
4th Aug 20255812 AMAQI
4th Aug 2025571 AMAQI
4th Aug 2025582 AMAQI
4th Aug 2025583 AMAQI

--°C/°C

5 AM
11 AM
6 PM
11 PM
4 AM

--°C/°C

Day time
Avg. Highest Time
5 AM - 6 AM

52AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
10 AM - 6 PM

45AQI

9 hours / Day
270 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 6 AM (Avg. 52), while the lowest AQI was between 10 AM to 6 PM (Avg. 45).
Night time
Avg. Highest Time
12 AM - 4 AM

51AQI

5 hours / Day
150 hours / Month
Avg. Lowest Time
7 PM - 11 PM

48AQI

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. 51), while the lowest AQI was between 7 PM to 11 PM (Avg. 48).

2025 Days Vs Air Quality

Chai Wan Hospital, Ban Dung, Udon Thani, Thailand

2025

38%

81

45%

96

16%

35

0.9%

2

Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)

Good
81 Days
Moderate
96 Days
Poor
35 Days
Unhealthy
2 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 38%

Health Risk Level:

High

In 2025, 38% of 215 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

Chai Wan Hospital, Ban Dung, Udon Thani, Thailand

AQI levels in 2025

AQI
PM2.5
PM10
CO
SO2
NO2
O3
Sun.Mon.Tue.Wed.Thu.Fri.Sat.

Jan.

Feb.

Mar.

Apr.

May

Jun.

Jul.

Aug.

Sep.

Oct.

Nov.

Dec.

1st January 2025
88AQI
2nd January 2025
87AQI
3rd January 2025
89AQI
4th January 2025
105AQI
5th January 2025
109AQI
6th January 2025
113AQI
7th January 2025
127AQI
8th January 2025
116AQI
9th January 2025
103AQI
10th January 2025
82AQI
11th January 2025
85AQI
12th January 2025
94AQI
13th January 2025
95AQI
14th January 2025
105AQI
15th January 2025
94AQI
16th January 2025
86AQI
17th January 2025
103AQI
18th January 2025
110AQI
19th January 2025
109AQI
20th January 2025
121AQI
21st January 2025
119AQI
22nd January 2025
129AQI
23rd January 2025
136AQI
24th January 2025
133AQI
25th January 2025
139AQI
26th January 2025
104AQI
27th January 2025
77AQI
28th January 2025
81AQI
29th January 2025
88AQI
30th January 2025
96AQI
31st January 2025
110AQI
1st February 2025
115AQI
2nd February 2025
120AQI
3rd February 2025
112AQI
4th February 2025
81AQI
5th February 2025
83AQI
6th February 2025
100AQI
7th February 2025
91AQI
8th February 2025
66AQI
9th February 2025
67AQI
10th February 2025
74AQI
11th February 2025
85AQI
12th February 2025
102AQI
13th February 2025
80AQI
14th February 2025
87AQI
15th February 2025
90AQI
16th February 2025
110AQI
17th February 2025
89AQI
18th February 2025
87AQI
19th February 2025
81AQI
20th February 2025
89AQI
21st February 2025
74AQI
22nd February 2025
76AQI
23rd February 2025
62AQI
24th February 2025
57AQI
25th February 2025
58AQI
26th February 2025
55AQI
27th February 2025
67AQI
28th February 2025
77AQI
1st March 2025
81AQI
2nd March 2025
94AQI
3rd March 2025
93AQI
4th March 2025
104AQI
5th March 2025
103AQI
6th March 2025
106AQI
7th March 2025
68AQI
8th March 2025
66AQI
9th March 2025
76AQI
10th March 2025
67AQI
11th March 2025
79AQI
12th March 2025
85AQI
13th March 2025
73AQI
14th March 2025
81AQI
15th March 2025
91AQI
16th March 2025
75AQI
17th March 2025
76AQI
18th March 2025
76AQI
19th March 2025
90AQI
20th March 2025
91AQI
21st March 2025
108AQI
22nd March 2025
118AQI
23rd March 2025
138AQI
24th March 2025
147AQI
25th March 2025
151AQI
26th March 2025
154AQI
27th March 2025
145AQI
28th March 2025
143AQI
29th March 2025
136AQI
30th March 2025
90AQI
31st March 2025
82AQI
1st April 2025
78AQI
2nd April 2025
91AQI
3rd April 2025
100AQI
4th April 2025
116AQI
5th April 2025
110AQI
6th April 2025
95AQI
7th April 2025
89AQI
8th April 2025
88AQI
9th April 2025
84AQI
10th April 2025
76AQI
11th April 2025
78AQI
12th April 2025
70AQI
13th April 2025
66AQI
14th April 2025
77AQI
15th April 2025
75AQI
16th April 2025
77AQI
17th April 2025
66AQI
18th April 2025
65AQI
19th April 2025
62AQI
20th April 2025
63AQI
21st April 2025
68AQI
22nd April 2025
70AQI
23rd April 2025
76AQI
24th April 2025
73AQI
25th April 2025
80AQI
26th April 2025
76AQI
27th April 2025
69AQI
28th April 2025
74AQI
29th April 2025
67AQI
30th April 2025
70AQI
1st May 2025
68AQI
2nd May 2025
61AQI
3rd May 2025
59AQI
4th May 2025
65AQI
5th May 2025
61AQI
6th May 2025
60AQI
7th May 2025
58AQI
8th May 2025
56AQI
9th May 2025
49AQI
10th May 2025
47AQI
11th May 2025
35AQI
12th May 2025
34AQI
13th May 2025
46AQI
14th May 2025
40AQI
15th May 2025
38AQI
16th May 2025
34AQI
17th May 2025
42AQI
18th May 2025
41AQI
19th May 2025
43AQI
20th May 2025
42AQI
21st May 2025
44AQI
22nd May 2025
41AQI
23rd May 2025
44AQI
24th May 2025
37AQI
25th May 2025
36AQI
26th May 2025
32AQI
27th May 2025
38AQI
28th May 2025
37AQI
29th May 2025
36AQI
30th May 2025
40AQI
31st May 2025
37AQI
1st June 2025
39AQI
2nd June 2025
38AQI
3rd June 2025
34AQI
4th June 2025
37AQI
5th June 2025
42AQI
6th June 2025
42AQI
7th June 2025
50AQI
8th June 2025
44AQI
9th June 2025
41AQI
10th June 2025
39AQI
11th June 2025
36AQI
12th June 2025
37AQI
13th June 2025
36AQI
14th June 2025
44AQI
15th June 2025
40AQI
16th June 2025
49AQI
17th June 2025
44AQI
18th June 2025
47AQI
19th June 2025
43AQI
20th June 2025
41AQI
21st June 2025
44AQI
22nd June 2025
44AQI
23rd June 2025
44AQI
24th June 2025
47AQI
25th June 2025
47AQI
26th June 2025
49AQI
27th June 2025
46AQI
28th June 2025
46AQI
29th June 2025
45AQI
30th June 2025
46AQI
1st July 2025
48AQI
2nd July 2025
46AQI
3rd July 2025
47AQI
4th July 2025
48AQI
5th July 2025
48AQI
6th July 2025
46AQI
7th July 2025
47AQI
8th July 2025
49AQI
9th July 2025
49AQI
10th July 2025
52AQI
11th July 2025
49AQI
12th July 2025
50AQI
13th July 2025
49AQI
14th July 2025
50AQI
15th July 2025
52AQI
16th July 2025
47AQI
17th July 2025
47AQI
18th July 2025
43AQI
19th July 2025
44AQI
20th July 2025
41AQI
21st July 2025
41AQI
22nd July 2025
39AQI
23rd July 2025
41AQI
24th July 2025
42AQI
25th July 2025
44AQI
26th July 2025
49AQI
27th July 2025
47AQI
28th July 2025
46AQI
29th July 2025
45AQI
30th July 2025
48AQI
31st July 2025
53AQI
1st August 2025
58AQI
2nd August 2025
57AQI

104AQI

83AQI

100AQI

78AQI

45AQI

43AQI

47AQI

58AQI

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202571AQI

13
18
23
5
19
10
2
28
2
23
8
30
28
3
2
81
96
35
2

Highest AQI recorded in

January

104AQI

Lowest AQI recorded in

June

43AQI

202437AQI

29
8
2
5
17
1
22
9
30
31
31
3
7
6
2
27
1
1
27
3
169
88
5

Highest AQI recorded in

March

84AQI

Lowest AQI recorded in

September

8AQI

202330AQI

16
15
12
14
2
15
16
26
4
24
7
30
31
13
22
29
31
249
56
2

Highest AQI recorded in

February

58AQI

Lowest AQI recorded in

July

9AQI

202246AQI

4
20
10
17
13
37
27

Highest AQI recorded in

October

73AQI

Lowest AQI recorded in

November

41AQI

Most & Least Polluted Years Over the Last 4 Years

Most Polluted Year Recorded
2025(Avg.)
71AQI
Least Polluted Year Recorded
2023(Avg.)
30AQI

Chai Wan Hospital's annual 2025 AQI (71) shows an average percentage change of 94.1% (worsened AQI) compared to previous years: 2022 (46), 2023 (30), 2024 (37).