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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
2026
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 (18th August):
On this day, AQI across the 4 years varied significantly: 2026 ranks 2nd highest AQI at 24 of Good air quality, showing improvement over 2025 on the same day.

Day & Night AQI Trend: 17th Aug - 18th Aug 2026

Chai Wan Hospital, Ban Dung, Udon Thani, Thailand

AQI
Day
Night
.

5 AM17th Aug 2026

6 PM

4 AM18th Aug 2026

Day time
Avg. Highest Time
2PM17th Aug

59AQI

Avg. Lowest Time
12PM17th Aug

8AQI

Night time
Avg. Highest Time
10PM17th Aug

96AQI

Avg. Lowest Time
11PM17th Aug

8AQI

In the last 24 hours,

Chai Wan Hospital's AQI reached its highest point of 96 at 10 PM during the Night, while the lowest point, 8, was recorded at 11 PM during the Night between 17th Aug and 18th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Chai Wan Hospital, Ban Dung, Udon Thani, Thailand

JulAug
20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th
Day
Night
20th Jul 2026575 AMAQI
20th Jul 2026786 AMAQI
20th Jul 2026767 AMAQI
20th Jul 2026828 AMAQI
20th Jul 2026649 AMAQI
20th Jul 20265810 AMAQI
20th Jul 20263811 AMAQI
20th Jul 20262312 PMAQI
20th Jul 2026251 PMAQI
20th Jul 2026272 PMAQI
20th Jul 2026333 PMAQI
20th Jul 2026254 PMAQI
20th Jul 2026275 PMAQI
20th Jul 2026216 PMAQI
20th Jul 2026277 PMAQI
20th Jul 2026408 PMAQI
20th Jul 2026539 PMAQI
20th Jul 20266610 PMAQI
20th Jul 20264411 PMAQI
21st Jul 20264612 AMAQI
21st Jul 2026441 AMAQI
21st Jul 2026292 AMAQI
21st Jul 2026293 AMAQI
21st Jul 2026294 AMAQI

28°C24/32°C

21st Jul 2026385 AMAQI
21st Jul 2026696 AMAQI
21st Jul 2026707 AMAQI
21st Jul 2026698 AMAQI
21st Jul 2026609 AMAQI
21st Jul 20262511 AMAQI
21st Jul 20262312 PMAQI
21st Jul 2026211 PMAQI
21st Jul 2026252 PMAQI
21st Jul 2026123 PMAQI
21st Jul 2026144 PMAQI
21st Jul 2026765 PMAQI
21st Jul 2026306 PMAQI
21st Jul 2026297 PMAQI
21st Jul 2026218 PMAQI
21st Jul 2026259 PMAQI
21st Jul 20263610 PMAQI
21st Jul 20262711 PMAQI
22nd Jul 20263812 AMAQI
22nd Jul 2026401 AMAQI
22nd Jul 2026442 AMAQI
22nd Jul 2026483 AMAQI
22nd Jul 2026804 AMAQI

27°C24/32°C

22nd Jul 2026495 AMAQI
22nd Jul 2026546 AMAQI
22nd Jul 2026787 AMAQI
22nd Jul 2026588 AMAQI
22nd Jul 2026829 AMAQI
22nd Jul 20266610 AMAQI
22nd Jul 20266211 AMAQI
22nd Jul 20262112 PMAQI
22nd Jul 2026231 PMAQI
22nd Jul 2026332 PMAQI
22nd Jul 2026193 PMAQI
22nd Jul 2026144 PMAQI
22nd Jul 2026195 PMAQI
22nd Jul 2026276 PMAQI
22nd Jul 2026237 PMAQI
22nd Jul 2026218 PMAQI
22nd Jul 2026369 PMAQI
22nd Jul 20265310 PMAQI
22nd Jul 20266211 PMAQI
23rd Jul 20265712 AMAQI
23rd Jul 2026501 AMAQI
23rd Jul 2026532 AMAQI
23rd Jul 2026563 AMAQI
23rd Jul 2026574 AMAQI

25°C23/31°C

23rd Jul 2026625 AMAQI
23rd Jul 2026426 AMAQI
23rd Jul 2026147 AMAQI
23rd Jul 2026178 AMAQI
23rd Jul 2026299 AMAQI
23rd Jul 20263310 AMAQI
23rd Jul 20263811 AMAQI
23rd Jul 20261712 PMAQI
23rd Jul 2026141 PMAQI
23rd Jul 2026142 PMAQI
23rd Jul 2026123 PMAQI
23rd Jul 2026124 PMAQI
23rd Jul 2026145 PMAQI
23rd Jul 2026126 PMAQI
23rd Jul 2026147 PMAQI
23rd Jul 2026278 PMAQI
23rd Jul 2026879 PMAQI
23rd Jul 20268510 PMAQI
23rd Jul 20265711 PMAQI
24th Jul 20264212 AMAQI
24th Jul 2026591 AMAQI
24th Jul 2026602 AMAQI
24th Jul 2026563 AMAQI
24th Jul 2026144 AMAQI

26°C22/31°C

24th Jul 2026125 AMAQI
24th Jul 2026146 AMAQI
24th Jul 2026107 AMAQI
24th Jul 2026128 AMAQI
24th Jul 2026179 AMAQI
24th Jul 20261210 AMAQI
24th Jul 20262111 AMAQI
24th Jul 20262712 PMAQI
24th Jul 2026191 PMAQI
24th Jul 2026212 PMAQI
24th Jul 2026173 PMAQI
24th Jul 2026494 PMAQI
24th Jul 2026635 PMAQI
24th Jul 2026216 PMAQI
24th Jul 2026147 PMAQI
24th Jul 2026198 PMAQI
24th Jul 2026259 PMAQI
24th Jul 20262510 PMAQI
24th Jul 20262111 PMAQI
25th Jul 20261712 AMAQI
25th Jul 2026191 AMAQI
25th Jul 2026212 AMAQI
25th Jul 2026253 AMAQI
25th Jul 2026294 AMAQI

27°C24/32°C

25th Jul 2026425 AMAQI
25th Jul 2026526 AMAQI
25th Jul 2026537 AMAQI
25th Jul 2026698 AMAQI
25th Jul 2026319 AMAQI
25th Jul 20265010 AMAQI
25th Jul 20262511 AMAQI
25th Jul 20262912 PMAQI
25th Jul 2026171 PMAQI
25th Jul 2026122 PMAQI
25th Jul 2026123 PMAQI
25th Jul 202684 PMAQI
25th Jul 202685 PMAQI
25th Jul 202686 PMAQI
25th Jul 2026127 PMAQI
25th Jul 2026108 PMAQI
25th Jul 2026219 PMAQI
25th Jul 20262910 PMAQI
25th Jul 20264611 PMAQI
26th Jul 20263112 AMAQI
26th Jul 2026311 AMAQI
26th Jul 2026482 AMAQI
26th Jul 2026333 AMAQI
26th Jul 2026584 AMAQI

27°C24/31°C

26th Jul 2026595 AMAQI
26th Jul 2026676 AMAQI
26th Jul 2026427 AMAQI
26th Jul 2026768 AMAQI
26th Jul 2026649 AMAQI
26th Jul 20266910 AMAQI
26th Jul 20261211 AMAQI
26th Jul 20262312 PMAQI
26th Jul 2026541 PMAQI
26th Jul 2026122 PMAQI
26th Jul 2026123 PMAQI
26th Jul 202684 PMAQI
26th Jul 2026195 PMAQI
26th Jul 2026426 PMAQI
26th Jul 2026297 PMAQI
26th Jul 2026498 PMAQI
26th Jul 2026689 PMAQI
26th Jul 2026810 PMAQI
26th Jul 2026811 PMAQI
27th Jul 2026812 AMAQI
27th Jul 2026191 AMAQI
27th Jul 2026532 AMAQI
27th Jul 2026803 AMAQI
27th Jul 2026664 AMAQI

27°C25/30°C

27th Jul 202685 AMAQI
27th Jul 2026126 AMAQI
27th Jul 2026147 AMAQI
27th Jul 2026258 AMAQI
27th Jul 2026199 AMAQI
27th Jul 20263310 AMAQI
27th Jul 20261411 AMAQI
27th Jul 20261212 PMAQI
27th Jul 2026121 PMAQI
27th Jul 2026142 PMAQI
27th Jul 2026123 PMAQI
27th Jul 2026104 PMAQI
27th Jul 2026125 PMAQI
27th Jul 2026216 PMAQI
27th Jul 2026257 PMAQI
27th Jul 2026408 PMAQI
27th Jul 2026539 PMAQI
27th Jul 20263110 PMAQI
27th Jul 20264011 PMAQI
28th Jul 20262112 AMAQI
28th Jul 2026421 AMAQI
28th Jul 2026212 AMAQI
28th Jul 2026273 AMAQI
28th Jul 2026274 AMAQI

26°C24/29°C

28th Jul 2026275 AMAQI
28th Jul 2026256 AMAQI
28th Jul 2026217 AMAQI
28th Jul 2026238 AMAQI
28th Jul 2026259 AMAQI
28th Jul 20263310 AMAQI
28th Jul 20262711 AMAQI
28th Jul 20262912 PMAQI
28th Jul 2026211 PMAQI
28th Jul 2026312 PMAQI
28th Jul 2026123 PMAQI
28th Jul 2026174 PMAQI
28th Jul 2026255 PMAQI
28th Jul 2026406 PMAQI
28th Jul 2026587 PMAQI
28th Jul 2026728 PMAQI
28th Jul 2026279 PMAQI
28th Jul 20262310 PMAQI
28th Jul 20262111 PMAQI
29th Jul 20263312 AMAQI
29th Jul 2026511 AMAQI
29th Jul 2026852 AMAQI
29th Jul 2026423 AMAQI
29th Jul 2026894 AMAQI

25°C24/27°C

29th Jul 2026335 AMAQI
29th Jul 2026906 AMAQI
29th Jul 2026567 AMAQI
29th Jul 2026518 AMAQI
29th Jul 2026539 AMAQI
29th Jul 20263610 AMAQI
29th Jul 20262111 AMAQI
29th Jul 20262312 PMAQI
29th Jul 2026231 PMAQI
29th Jul 2026172 PMAQI
29th Jul 2026123 PMAQI
29th Jul 2026124 PMAQI
29th Jul 2026125 PMAQI
29th Jul 2026186 PMAQI
29th Jul 2026127 PMAQI
29th Jul 2026108 PMAQI
29th Jul 2026149 PMAQI
29th Jul 20262110 PMAQI
29th Jul 20265111 PMAQI
30th Jul 20265512 AMAQI
30th Jul 2026601 AMAQI
30th Jul 2026622 AMAQI
30th Jul 2026533 AMAQI
30th Jul 2026804 AMAQI

25°C24/26°C

30th Jul 2026685 AMAQI
30th Jul 2026256 AMAQI
30th Jul 2026217 AMAQI
30th Jul 2026238 AMAQI
30th Jul 2026389 AMAQI
30th Jul 20263110 AMAQI
30th Jul 20263311 AMAQI
30th Jul 20262312 PMAQI
30th Jul 2026211 PMAQI
30th Jul 2026332 PMAQI
30th Jul 2026543 PMAQI
30th Jul 2026594 PMAQI
30th Jul 2026555 PMAQI
30th Jul 2026596 PMAQI
30th Jul 2026577 PMAQI
30th Jul 2026628 PMAQI
30th Jul 2026839 PMAQI
30th Jul 20265910 PMAQI
30th Jul 20265711 PMAQI
31st Jul 20265412 AMAQI
31st Jul 2026621 AMAQI
31st Jul 2026542 AMAQI
31st Jul 2026173 AMAQI
31st Jul 202684 AMAQI

26°C23/29°C

31st Jul 202685 AMAQI
31st Jul 2026126 AMAQI
31st Jul 2026127 AMAQI
31st Jul 2026128 AMAQI
31st Jul 2026129 AMAQI
31st Jul 20263310 AMAQI
31st Jul 20261411 AMAQI
31st Jul 20262312 PMAQI
31st Jul 2026231 PMAQI
31st Jul 2026212 PMAQI
31st Jul 2026213 PMAQI
31st Jul 2026214 PMAQI
31st Jul 2026235 PMAQI
31st Jul 2026256 PMAQI
31st Jul 2026297 PMAQI
31st Jul 202688 PMAQI
31st Jul 2026219 PMAQI
31st Jul 20263310 PMAQI
31st Jul 20261011 PMAQI
1st Aug 20261212 AMAQI
1st Aug 2026141 AMAQI
1st Aug 2026332 AMAQI
1st Aug 2026503 AMAQI
1st Aug 2026644 AMAQI

26°C23/30°C

1st Aug 2026675 AMAQI
1st Aug 2026666 AMAQI
1st Aug 2026177 AMAQI
1st Aug 202688 AMAQI
1st Aug 202689 AMAQI
1st Aug 20261210 AMAQI
1st Aug 20261911 AMAQI
1st Aug 20261912 PMAQI
1st Aug 2026121 PMAQI
1st Aug 2026122 PMAQI
1st Aug 2026123 PMAQI
1st Aug 2026194 PMAQI
1st Aug 2026535 PMAQI
1st Aug 2026626 PMAQI
1st Aug 2026877 PMAQI
1st Aug 2026508 PMAQI
1st Aug 2026559 PMAQI
1st Aug 20265010 PMAQI
1st Aug 20265311 PMAQI
2nd Aug 20263612 AMAQI
2nd Aug 2026211 AMAQI
2nd Aug 2026172 AMAQI
2nd Aug 2026213 AMAQI
2nd Aug 2026234 AMAQI

25°C23/28°C

2nd Aug 2026215 AMAQI
2nd Aug 2026256 AMAQI
2nd Aug 2026277 AMAQI
2nd Aug 2026318 AMAQI
2nd Aug 202689 AMAQI
2nd Aug 20261010 AMAQI
2nd Aug 20261211 AMAQI
2nd Aug 20262312 PMAQI
2nd Aug 2026421 PMAQI
2nd Aug 2026122 PMAQI
2nd Aug 2026123 PMAQI
2nd Aug 2026144 PMAQI
2nd Aug 2026175 PMAQI
2nd Aug 2026176 PMAQI
2nd Aug 2026127 PMAQI
2nd Aug 202688 PMAQI
2nd Aug 2026179 PMAQI
2nd Aug 20262310 PMAQI
2nd Aug 20262711 PMAQI
3rd Aug 20261012 AMAQI
3rd Aug 2026191 AMAQI
3rd Aug 2026362 AMAQI
3rd Aug 2026463 AMAQI
3rd Aug 2026534 AMAQI

26°C24/30°C

3rd Aug 2026235 AMAQI
3rd Aug 2026126 AMAQI
3rd Aug 2026197 AMAQI
3rd Aug 2026178 AMAQI
3rd Aug 2026199 AMAQI
3rd Aug 20262910 AMAQI
3rd Aug 20261711 AMAQI
3rd Aug 20262512 PMAQI
3rd Aug 2026171 PMAQI
3rd Aug 2026142 PMAQI
3rd Aug 2026123 PMAQI
3rd Aug 2026124 PMAQI
3rd Aug 202685 PMAQI
3rd Aug 2026216 PMAQI
3rd Aug 2026487 PMAQI
3rd Aug 2026698 PMAQI
3rd Aug 2026969 PMAQI
3rd Aug 20266710 PMAQI
3rd Aug 20265211 PMAQI
4th Aug 20265412 AMAQI
4th Aug 2026901 AMAQI
4th Aug 2026532 AMAQI
4th Aug 2026473 AMAQI
4th Aug 2026984 AMAQI

26°C24/30°C

4th Aug 2026705 AMAQI
4th Aug 2026216 AMAQI
4th Aug 2026197 AMAQI
4th Aug 2026128 AMAQI
4th Aug 2026149 AMAQI
4th Aug 20262510 AMAQI
4th Aug 20264611 AMAQI
4th Aug 20267112 PMAQI
4th Aug 2026361 PMAQI
4th Aug 2026512 PMAQI
4th Aug 2026193 PMAQI
4th Aug 202684 PMAQI
4th Aug 202685 PMAQI
4th Aug 202686 PMAQI
4th Aug 2026177 PMAQI
4th Aug 2026338 PMAQI
4th Aug 2026259 PMAQI
4th Aug 20261410 PMAQI
4th Aug 20263111 PMAQI
5th Aug 20261712 AMAQI
5th Aug 2026211 AMAQI
5th Aug 2026142 AMAQI
5th Aug 2026193 AMAQI
5th Aug 2026194 AMAQI

26°C24/27°C

5th Aug 2026145 AMAQI
5th Aug 2026146 AMAQI
5th Aug 2026177 AMAQI
5th Aug 2026198 AMAQI
5th Aug 2026199 AMAQI
5th Aug 20261410 AMAQI
5th Aug 20261211 AMAQI
5th Aug 2026812 PMAQI
5th Aug 2026361 PMAQI
5th Aug 2026532 PMAQI
5th Aug 2026173 PMAQI
5th Aug 2026104 PMAQI
5th Aug 2026105 PMAQI
5th Aug 2026106 PMAQI
5th Aug 2026177 PMAQI
5th Aug 2026298 PMAQI
5th Aug 2026299 PMAQI
5th Aug 20262910 PMAQI
5th Aug 20265311 PMAQI
6th Aug 20268512 AMAQI
6th Aug 2026801 AMAQI
6th Aug 2026192 AMAQI
6th Aug 2026123 AMAQI
6th Aug 2026104 AMAQI

24°C23/25°C

6th Aug 2026125 AMAQI
6th Aug 2026146 AMAQI
6th Aug 2026147 AMAQI
6th Aug 2026108 AMAQI
6th Aug 2026129 AMAQI
6th Aug 20261010 AMAQI
6th Aug 20261211 AMAQI
6th Aug 20262712 PMAQI
6th Aug 2026231 PMAQI
6th Aug 2026232 PMAQI
6th Aug 2026193 PMAQI
6th Aug 2026554 PMAQI
6th Aug 2026585 PMAQI
6th Aug 2026586 PMAQI
6th Aug 2026577 PMAQI
6th Aug 2026238 PMAQI
6th Aug 2026219 PMAQI
6th Aug 20261210 PMAQI
6th Aug 20261211 PMAQI
7th Aug 2026812 AMAQI
7th Aug 202681 AMAQI
7th Aug 202682 AMAQI
7th Aug 2026173 AMAQI
7th Aug 2026174 AMAQI

24°C23/27°C

7th Aug 2026125 AMAQI
7th Aug 2026176 AMAQI
7th Aug 2026197 AMAQI
7th Aug 2026218 AMAQI
7th Aug 2026389 AMAQI
7th Aug 20261210 AMAQI
7th Aug 20262211 AMAQI
7th Aug 20262112 PMAQI
7th Aug 2026141 PMAQI
7th Aug 2026122 PMAQI
7th Aug 2026123 PMAQI
7th Aug 2026144 PMAQI
7th Aug 2026145 PMAQI
7th Aug 2026146 PMAQI
7th Aug 2026147 PMAQI
7th Aug 2026198 PMAQI
7th Aug 2026279 PMAQI
7th Aug 20261410 PMAQI
7th Aug 20261211 PMAQI
8th Aug 20261212 AMAQI
8th Aug 2026191 AMAQI
8th Aug 2026402 AMAQI
8th Aug 2026623 AMAQI
8th Aug 2026584 AMAQI

25°C23/26°C

8th Aug 2026495 AMAQI
8th Aug 2026536 AMAQI
8th Aug 2026557 AMAQI
8th Aug 2026468 AMAQI
8th Aug 2026389 AMAQI
8th Aug 20264410 AMAQI
8th Aug 20265411 AMAQI
8th Aug 20266412 PMAQI
8th Aug 2026461 PMAQI
8th Aug 2026442 PMAQI
8th Aug 2026443 PMAQI
8th Aug 2026534 PMAQI
8th Aug 2026235 PMAQI
8th Aug 2026296 PMAQI
8th Aug 2026447 PMAQI
8th Aug 2026628 PMAQI
8th Aug 2026219 PMAQI
8th Aug 20261910 PMAQI
8th Aug 20261911 PMAQI
9th Aug 20262112 AMAQI
9th Aug 2026191 AMAQI
9th Aug 2026212 AMAQI
9th Aug 2026503 AMAQI
9th Aug 2026214 AMAQI

24°C23/24°C

9th Aug 2026235 AMAQI
9th Aug 2026216 AMAQI
9th Aug 2026257 AMAQI
9th Aug 2026178 AMAQI
9th Aug 2026129 AMAQI
9th Aug 20261210 AMAQI
9th Aug 20262111 AMAQI
9th Aug 20262112 PMAQI
9th Aug 2026271 PMAQI
9th Aug 2026172 PMAQI
9th Aug 2026103 PMAQI
9th Aug 2026124 PMAQI
9th Aug 2026105 PMAQI
9th Aug 2026176 PMAQI
9th Aug 2026217 PMAQI
9th Aug 2026128 PMAQI
9th Aug 2026219 PMAQI
9th Aug 20261910 PMAQI
9th Aug 20265211 PMAQI
10th Aug 20266512 AMAQI
10th Aug 2026441 AMAQI
10th Aug 2026712 AMAQI
10th Aug 2026523 AMAQI
10th Aug 2026504 AMAQI

25°C23/29°C

10th Aug 2026675 AMAQI
10th Aug 2026446 AMAQI
10th Aug 2026647 AMAQI
10th Aug 2026238 AMAQI
10th Aug 2026279 AMAQI
10th Aug 20261210 AMAQI
10th Aug 20262111 AMAQI
10th Aug 20261212 PMAQI
10th Aug 2026141 PMAQI
10th Aug 2026122 PMAQI
10th Aug 2026123 PMAQI
10th Aug 2026124 PMAQI
10th Aug 2026295 PMAQI
10th Aug 2026686 PMAQI
10th Aug 2026667 PMAQI
10th Aug 2026108 PMAQI
10th Aug 2026369 PMAQI
10th Aug 20264810 PMAQI
10th Aug 20267211 PMAQI
11th Aug 20267612 AMAQI
11th Aug 2026591 AMAQI
11th Aug 2026592 AMAQI
11th Aug 2026663 AMAQI
11th Aug 2026734 AMAQI

26°C24/29°C

11th Aug 2026745 AMAQI
11th Aug 2026256 AMAQI
11th Aug 2026127 AMAQI
11th Aug 2026128 AMAQI
11th Aug 2026219 AMAQI
11th Aug 20263810 AMAQI
11th Aug 20263311 AMAQI
11th Aug 20261412 PMAQI
11th Aug 2026121 PMAQI
11th Aug 2026162 PMAQI
11th Aug 2026123 PMAQI
11th Aug 2026144 PMAQI
11th Aug 2026145 PMAQI
11th Aug 2026176 PMAQI
11th Aug 2026127 PMAQI
11th Aug 2026178 PMAQI
11th Aug 2026219 PMAQI
11th Aug 20262110 PMAQI
11th Aug 20262111 PMAQI
12th Aug 20266212 AMAQI
12th Aug 2026651 AMAQI
12th Aug 2026382 AMAQI
12th Aug 2026383 AMAQI
12th Aug 2026574 AMAQI

26°C24/29°C

12th Aug 2026925 AMAQI
12th Aug 2026426 AMAQI
12th Aug 2026427 AMAQI
12th Aug 2026218 AMAQI
12th Aug 2026239 AMAQI
12th Aug 20262710 AMAQI
12th Aug 20262111 AMAQI
12th Aug 20263312 PMAQI
12th Aug 2026121 PMAQI
12th Aug 202682 PMAQI
12th Aug 202683 PMAQI
12th Aug 2026104 PMAQI
12th Aug 2026105 PMAQI
12th Aug 2026126 PMAQI
12th Aug 2026197 PMAQI
12th Aug 2026278 PMAQI
12th Aug 2026109 PMAQI
12th Aug 20261210 PMAQI
12th Aug 20261911 PMAQI
13th Aug 20261712 AMAQI
13th Aug 2026171 AMAQI
13th Aug 2026252 AMAQI
13th Aug 2026483 AMAQI
13th Aug 2026784 AMAQI

26°C24/30°C

13th Aug 2026745 AMAQI
13th Aug 2026676 AMAQI
13th Aug 2026957 AMAQI
13th Aug 2026508 AMAQI
13th Aug 2026659 AMAQI
13th Aug 20267110 AMAQI
13th Aug 20261211 AMAQI
13th Aug 2026812 PMAQI
13th Aug 202681 PMAQI
13th Aug 2026102 PMAQI
13th Aug 2026123 PMAQI
13th Aug 2026254 PMAQI
13th Aug 2026405 PMAQI
13th Aug 2026406 PMAQI
13th Aug 2026587 PMAQI
13th Aug 2026718 PMAQI
13th Aug 20261059 PMAQI
13th Aug 20265810 PMAQI
13th Aug 20261911 PMAQI
14th Aug 20261912 AMAQI
14th Aug 2026191 AMAQI
14th Aug 2026142 AMAQI
14th Aug 2026193 AMAQI
14th Aug 2026254 AMAQI

27°C24/31°C

14th Aug 2026465 AMAQI
14th Aug 2026706 AMAQI
14th Aug 2026427 AMAQI
14th Aug 2026698 AMAQI
14th Aug 2026749 AMAQI
14th Aug 20263410 AMAQI
14th Aug 20261211 AMAQI
14th Aug 20261212 PMAQI
14th Aug 202681 PMAQI
14th Aug 2026212 PMAQI
14th Aug 2026293 PMAQI
14th Aug 2026194 PMAQI
14th Aug 2026215 PMAQI
14th Aug 2026196 PMAQI
14th Aug 202687 PMAQI
14th Aug 2026278 PMAQI
14th Aug 2026629 PMAQI
14th Aug 20267610 PMAQI
14th Aug 20267611 PMAQI
15th Aug 20262912 AMAQI
15th Aug 2026311 AMAQI
15th Aug 2026272 AMAQI
15th Aug 2026313 AMAQI
15th Aug 2026204 AMAQI

27°C24/31°C

15th Aug 2026345 AMAQI
15th Aug 2026386 AMAQI
15th Aug 2026367 AMAQI
15th Aug 2026348 AMAQI
15th Aug 2026279 AMAQI
15th Aug 20265510 AMAQI
15th Aug 20265111 AMAQI
15th Aug 20261012 PMAQI
15th Aug 2026121 PMAQI
15th Aug 2026162 PMAQI
15th Aug 2026123 PMAQI
15th Aug 2026124 PMAQI
15th Aug 2026145 PMAQI
15th Aug 2026176 PMAQI
15th Aug 2026147 PMAQI
15th Aug 2026178 PMAQI
15th Aug 2026129 PMAQI
15th Aug 20261210 PMAQI
15th Aug 20261211 PMAQI
16th Aug 20261212 AMAQI
16th Aug 2026121 AMAQI
16th Aug 2026142 AMAQI
16th Aug 2026183 AMAQI
16th Aug 2026194 AMAQI

27°C24/31°C

16th Aug 2026425 AMAQI
16th Aug 2026406 AMAQI
16th Aug 2026467 AMAQI
16th Aug 2026148 AMAQI
16th Aug 2026129 AMAQI
16th Aug 20261410 AMAQI
16th Aug 20262511 AMAQI
16th Aug 2026812 PMAQI
16th Aug 202681 PMAQI
16th Aug 2026102 PMAQI
16th Aug 2026123 PMAQI
16th Aug 2026124 PMAQI
16th Aug 2026125 PMAQI
16th Aug 2026196 PMAQI
16th Aug 2026317 PMAQI
16th Aug 2026498 PMAQI
16th Aug 2026409 PMAQI
16th Aug 20266410 PMAQI
16th Aug 20265611 PMAQI
17th Aug 2026812 AMAQI
17th Aug 202681 AMAQI
17th Aug 2026122 AMAQI
17th Aug 2026123 AMAQI
17th Aug 2026144 AMAQI

27°C24/31°C

17th Aug 2026255 AMAQI
17th Aug 2026236 AMAQI
17th Aug 2026217 AMAQI
17th Aug 2026448 AMAQI
17th Aug 2026579 AMAQI
17th Aug 20261710 AMAQI
17th Aug 20261211 AMAQI
17th Aug 2026812 PMAQI
17th Aug 2026101 PMAQI
17th Aug 2026592 PMAQI
17th Aug 2026123 PMAQI
17th Aug 2026124 PMAQI
17th Aug 2026125 PMAQI
17th Aug 2026146 PMAQI
17th Aug 2026197 PMAQI
17th Aug 2026548 PMAQI
17th Aug 2026649 PMAQI
17th Aug 20269610 PMAQI
17th Aug 2026811 PMAQI
18th Aug 20261012 AMAQI
18th Aug 2026121 AMAQI
18th Aug 2026122 AMAQI
18th Aug 2026123 AMAQI
18th Aug 2026124 AMAQI

24°C22/28°C

18th Aug 2026215 AMAQI
5 AM
18th Aug 2026466 AMAQI
18th Aug 2026607 AMAQI
18th Aug 2026748 AMAQI
18th Aug 2026979 AMAQI
18th Aug 20261910 AMAQI
18th Aug 20261211 AMAQI
11 AM
18th Aug 20261212 PMAQI
18th Aug 2026101 PMAQI
18th Aug 2026122 PMAQI
18th Aug 202683 PMAQI
18th Aug 202684 PMAQI
18th Aug 202685 PMAQI
18th Aug 2026126 PMAQI
6 PM
18th Aug 2026177 PMAQI
18th Aug 2026198 PMAQI
18th Aug 2026279 PMAQI
18th Aug 20262110 PMAQI
18th Aug 20262511 PMAQI
11 PM
4 AM

27°C24/31°C

Day time
Avg. Highest Time
5 AM

41AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
3 PM

17AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 5 AM (Avg. 41), while the lowest AQI was between 3 PM to 3 PM (Avg. 17).
Night time
Avg. Highest Time
4 AM

43AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
7 PM

30AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 4 AM (Avg. 43), while the lowest AQI was between 7 PM to 7 PM (Avg. 30).

2026 Days Vs Air Quality

Chai Wan Hospital, Ban Dung, Udon Thani, Thailand

2026

54%

124

39%

90

7%

16

Total number of days with different AQI categories in last 230 days in 2026 (135 days remaining)

Good
124 Days
Moderate
90 Days
Poor
16 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 54%

Health Risk Level:

Considerable

In 2026, 54% of 230 days were within WHO’s safe air quality limits, and 46% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.

Annual Air Quality Insights

Chai Wan Hospital, Ban Dung, Udon Thani, Thailand

AQI levels in 2026

AQI (US)
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.

-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
75AQI (US)
2nd January 2026
58AQI (US)
3rd January 2026
40AQI (US)
4th January 2026
51AQI (US)
5th January 2026
62AQI (US)
6th January 2026
45AQI (US)
7th January 2026
46AQI (US)
8th January 2026
66AQI (US)
9th January 2026
77AQI (US)
10th January 2026
82AQI (US)
11th January 2026
80AQI (US)
12th January 2026
94AQI (US)
13th January 2026
94AQI (US)
14th January 2026
89AQI (US)
15th January 2026
94AQI (US)
16th January 2026
86AQI (US)
17th January 2026
85AQI (US)
18th January 2026
80AQI (US)
19th January 2026
80AQI (US)
20th January 2026
74AQI (US)
21st January 2026
56AQI (US)
22nd January 2026
43AQI (US)
23rd January 2026
22AQI (US)
24th January 2026
32AQI (US)
25th January 2026
45AQI (US)
26th January 2026
55AQI (US)
27th January 2026
45AQI (US)
28th January 2026
48AQI (US)
29th January 2026
59AQI (US)
30th January 2026
70AQI (US)
31st January 2026
63AQI (US)
1st February 2026
41AQI (US)
2nd February 2026
37AQI (US)
3rd February 2026
31AQI (US)
4th February 2026
60AQI (US)
5th February 2026
63AQI (US)
6th February 2026
63AQI (US)
7th February 2026
55AQI (US)
8th February 2026
39AQI (US)
9th February 2026
20AQI (US)
10th February 2026
47AQI (US)
11th February 2026
56AQI (US)
12th February 2026
52AQI (US)
13th February 2026
71AQI (US)
14th February 2026
69AQI (US)
15th February 2026
73AQI (US)
16th February 2026
76AQI (US)
17th February 2026
45AQI (US)
18th February 2026
27AQI (US)
19th February 2026
28AQI (US)
20th February 2026
36AQI (US)
21st February 2026
70AQI (US)
22nd February 2026
92AQI (US)
23rd February 2026
83AQI (US)
24th February 2026
73AQI (US)
25th February 2026
57AQI (US)
26th February 2026
68AQI (US)
27th February 2026
69AQI (US)
28th February 2026
77AQI (US)
1st March 2026
74AQI (US)
2nd March 2026
82AQI (US)
3rd March 2026
92AQI (US)
4th March 2026
68AQI (US)
5th March 2026
40AQI (US)
6th March 2026
58AQI (US)
7th March 2026
52AQI (US)
8th March 2026
50AQI (US)
9th March 2026
49AQI (US)
10th March 2026
37AQI (US)
11th March 2026
56AQI (US)
12th March 2026
54AQI (US)
13th March 2026
74AQI (US)
14th March 2026
50AQI (US)
15th March 2026
44AQI (US)
16th March 2026
60AQI (US)
17th March 2026
75AQI (US)
18th March 2026
93AQI (US)
19th March 2026
82AQI (US)
20th March 2026
68AQI (US)
21st March 2026
80AQI (US)
22nd March 2026
78AQI (US)
23rd March 2026
69AQI (US)
24th March 2026
77AQI (US)
25th March 2026
68AQI (US)
26th March 2026
79AQI (US)
27th March 2026
85AQI (US)
28th March 2026
81AQI (US)
29th March 2026
96AQI (US)
30th March 2026
95AQI (US)
31st March 2026
97AQI (US)
1st April 2026
106AQI (US)
2nd April 2026
81AQI (US)
3rd April 2026
93AQI (US)
4th April 2026
117AQI (US)
5th April 2026
118AQI (US)
6th April 2026
132AQI (US)
7th April 2026
122AQI (US)
8th April 2026
108AQI (US)
9th April 2026
99AQI (US)
10th April 2026
104AQI (US)
11th April 2026
111AQI (US)
12th April 2026
116AQI (US)
13th April 2026
113AQI (US)
14th April 2026
110AQI (US)
15th April 2026
94AQI (US)
16th April 2026
104AQI (US)
17th April 2026
105AQI (US)
18th April 2026
85AQI (US)
19th April 2026
93AQI (US)
20th April 2026
76AQI (US)
21st April 2026
102AQI (US)
22nd April 2026
105AQI (US)
23rd April 2026
102AQI (US)
24th April 2026
49AQI (US)
25th April 2026
26AQI (US)
26th April 2026
63AQI (US)
27th April 2026
68AQI (US)
28th April 2026
55AQI (US)
29th April 2026
49AQI (US)
30th April 2026
41AQI (US)
1st May 2026
51AQI (US)
2nd May 2026
42AQI (US)
3rd May 2026
57AQI (US)
4th May 2026
47AQI (US)
5th May 2026
43AQI (US)
6th May 2026
42AQI (US)
7th May 2026
63AQI (US)
8th May 2026
42AQI (US)
9th May 2026
29AQI (US)
10th May 2026
51AQI (US)
11th May 2026
56AQI (US)
12th May 2026
70AQI (US)
13th May 2026
53AQI (US)
14th May 2026
28AQI (US)
15th May 2026
33AQI (US)
16th May 2026
76AQI (US)
17th May 2026
69AQI (US)
18th May 2026
67AQI (US)
19th May 2026
55AQI (US)
20th May 2026
66AQI (US)
21st May 2026
71AQI (US)
22nd May 2026
61AQI (US)
23rd May 2026
45AQI (US)
24th May 2026
54AQI (US)
25th May 2026
50AQI (US)
26th May 2026
38AQI (US)
27th May 2026
28AQI (US)
28th May 2026
27AQI (US)
29th May 2026
28AQI (US)
30th May 2026
29AQI (US)
31st May 2026
29AQI (US)
1st June 2026
38AQI (US)
2nd June 2026
41AQI (US)
3rd June 2026
40AQI (US)
4th June 2026
34AQI (US)
5th June 2026
24AQI (US)
6th June 2026
15AQI (US)
7th June 2026
39AQI (US)
8th June 2026
19AQI (US)
9th June 2026
21AQI (US)
10th June 2026
28AQI (US)
11th June 2026
22AQI (US)
12th June 2026
23AQI (US)
13th June 2026
30AQI (US)
14th June 2026
40AQI (US)
15th June 2026
25AQI (US)
16th June 2026
22AQI (US)
17th June 2026
40AQI (US)
18th June 2026
18AQI (US)
19th June 2026
24AQI (US)
20th June 2026
20AQI (US)
21st June 2026
24AQI (US)
22nd June 2026
28AQI (US)
23rd June 2026
24AQI (US)
24th June 2026
37AQI (US)
25th June 2026
15AQI (US)
26th June 2026
20AQI (US)
27th June 2026
18AQI (US)
28th June 2026
24AQI (US)
29th June 2026
16AQI (US)
30th June 2026
24AQI (US)
1st July 2026
32AQI (US)
2nd July 2026
22AQI (US)
3rd July 2026
19AQI (US)
4th July 2026
36AQI (US)
5th July 2026
36AQI (US)
6th July 2026
11AQI (US)
7th July 2026
12AQI (US)
8th July 2026
41AQI (US)
9th July 2026
31AQI (US)
10th July 2026
37AQI (US)
11th July 2026
34AQI (US)
12th July 2026
14AQI (US)
13th July 2026
31AQI (US)
14th July 2026
43AQI (US)
15th July 2026
24AQI (US)
16th July 2026
30AQI (US)
17th July 2026
43AQI (US)
18th July 2026
42AQI (US)
19th July 2026
47AQI (US)
20th July 2026
47AQI (US)
21st July 2026
37AQI (US)
22nd July 2026
44AQI (US)
23rd July 2026
36AQI (US)
24th July 2026
27AQI (US)
25th July 2026
27AQI (US)
26th July 2026
38AQI (US)
27th July 2026
26AQI (US)
28th July 2026
29AQI (US)
29th July 2026
36AQI (US)
30th July 2026
49AQI (US)
31st July 2026
23AQI (US)
1st August 2026
36AQI (US)
2nd August 2026
20AQI (US)
3rd August 2026
31AQI (US)
4th August 2026
36AQI (US)
5th August 2026
21AQI (US)
6th August 2026
28AQI (US)
7th August 2026
16AQI (US)
8th August 2026
42AQI (US)
9th August 2026
21AQI (US)
10th August 2026
39AQI (US)
11th August 2026
31AQI (US)
12th August 2026
30AQI (US)
13th August 2026
45AQI (US)
14th August 2026
34AQI (US)
15th August 2026
24AQI (US)
16th August 2026
25AQI (US)
17th August 2026
26AQI (US)
18th August 2026
24AQI (US)
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026

64AQI (US)

56AQI (US)

70AQI (US)

92AQI (US)

48AQI (US)

26AQI (US)

32AQI (US)

29AQI (US)

No. of days

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

202654AQI (US)

9
22
10
18
6
25
4
10
16
16
15
30
31
18
124
90
16

Highest AQI (US) recorded in

April

92AQI (US)

Lowest AQI (US) recorded in

June

26AQI (US)

202566AQI (US)

13
18
23
5
19
10
2
28
2
23
8
30
28
3
15
16
27
3
4
27
6
24
1
30
134
194
35
2

Highest AQI (US) recorded in

January

104AQI (US)

Lowest AQI (US) recorded in

June

43AQI (US)

202437AQI (US)

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 (US) recorded in

March

84AQI (US)

Lowest AQI (US) recorded in

September

8AQI (US)

202330AQI (US)

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

Highest AQI (US) recorded in

February

58AQI (US)

Lowest AQI (US) recorded in

July

9AQI (US)

202246AQI (US)

4
20
10
17
13
37
27

Highest AQI (US) recorded in

October

73AQI (US)

Lowest AQI (US) recorded in

November

41AQI (US)

Most & Least Polluted Years Over the Last 5 Years

Most Polluted Year Recorded
2025(Avg.)
66AQI (US)
Least Polluted Year Recorded
2023(Avg.)
30AQI (US)

Chai Wan Hospital's annual 2026 AQI (US) (54) shows an average percentage change of 31.2% (worsened AQI (US)) compared to previous years: 2022 (46), 2023 (30), 2024 (37), 2025 (66).