Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Na Chak, Mueang Phrae, Phrae, 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

Na Chak, Mueang Phrae, Phrae, Thailand

2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
1st Aug 2023
61AQI
Lowest AQI recorded on
24th Aug 2024
6AQI

Same Day Analysis (13th August):
On this day, AQI across the 4 years varied significantly: 2026 ranks 2nd highest AQI at 33 of Good air quality, showing improvement over 2025 on the same day.

Day & Night AQI Trend: 12th Aug - 13th Aug 2026

Na Chak, Mueang Phrae, Phrae, Thailand

AQI
Day
Night
.

5 AM12th Aug 2026

6 PM

4 AM13th Aug 2026

Day time
Avg. Highest Time
5PM12th Aug

36AQI

Avg. Lowest Time
10AM12th Aug

21AQI

Night time
Avg. Highest Time
5AM12th Aug

42AQI

Avg. Lowest Time
3AM13th Aug

25AQI

In the last 24 hours,

Na Chak's AQI reached its highest point of 42 at 5 AM during the Night, while the lowest point, 21, was recorded at 10 AM during the Day between 12th Aug and 13th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Na Chak, Mueang Phrae, Phrae, Thailand

JulAug
15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th
Day
Night
15th Jul 2026305 AMAQI
15th Jul 2026296 AMAQI
15th Jul 2026267 AMAQI
15th Jul 2026268 AMAQI
15th Jul 2026269 AMAQI
15th Jul 20262310 AMAQI
15th Jul 20262611 AMAQI
15th Jul 20263212 PMAQI
15th Jul 2026501 PMAQI
15th Jul 2026312 PMAQI
15th Jul 2026333 PMAQI
15th Jul 2026364 PMAQI
15th Jul 2026425 PMAQI
15th Jul 2026276 PMAQI
15th Jul 2026277 PMAQI
15th Jul 2026528 PMAQI
15th Jul 2026649 PMAQI
15th Jul 20266210 PMAQI
15th Jul 20265611 PMAQI
16th Jul 20264812 AMAQI
16th Jul 2026421 AMAQI
16th Jul 2026402 AMAQI
16th Jul 2026403 AMAQI
16th Jul 2026384 AMAQI

24°C23/26°C

16th Jul 2026315 AMAQI
16th Jul 2026426 AMAQI
16th Jul 2026387 AMAQI
16th Jul 2026368 AMAQI
16th Jul 2026339 AMAQI
16th Jul 20263410 AMAQI
16th Jul 20263111 AMAQI
16th Jul 20263412 PMAQI
16th Jul 2026311 PMAQI
16th Jul 2026292 PMAQI
16th Jul 2026293 PMAQI
16th Jul 2026294 PMAQI
16th Jul 2026275 PMAQI
16th Jul 2026336 PMAQI
16th Jul 2026487 PMAQI
16th Jul 2026388 PMAQI
16th Jul 2026509 PMAQI
16th Jul 20264210 PMAQI
16th Jul 20264911 PMAQI
17th Jul 20262912 AMAQI
17th Jul 2026231 AMAQI
17th Jul 2026232 AMAQI
17th Jul 2026213 AMAQI
17th Jul 2026254 AMAQI

24°C22/27°C

17th Jul 2026275 AMAQI
17th Jul 2026296 AMAQI
17th Jul 2026227 AMAQI
17th Jul 2026308 AMAQI
17th Jul 2026319 AMAQI
17th Jul 20263010 AMAQI
17th Jul 20262311 AMAQI
17th Jul 20262912 PMAQI
17th Jul 2026241 PMAQI
17th Jul 2026232 PMAQI
17th Jul 2026233 PMAQI
17th Jul 2026234 PMAQI
17th Jul 2026255 PMAQI
17th Jul 2026276 PMAQI
17th Jul 2026547 PMAQI
17th Jul 2026588 PMAQI
17th Jul 2026579 PMAQI
17th Jul 20266310 PMAQI
17th Jul 20265711 PMAQI
18th Jul 20263312 AMAQI
18th Jul 2026561 AMAQI
18th Jul 2026622 AMAQI
18th Jul 2026523 AMAQI
18th Jul 2026534 AMAQI

23°C21/24°C

18th Jul 2026575 AMAQI
18th Jul 2026546 AMAQI
18th Jul 2026567 AMAQI
18th Jul 2026628 AMAQI
18th Jul 2026659 AMAQI
18th Jul 20266510 AMAQI
18th Jul 20266211 AMAQI
18th Jul 20266012 PMAQI
18th Jul 2026581 PMAQI
18th Jul 2026592 PMAQI
18th Jul 2026643 PMAQI
18th Jul 2026584 PMAQI
18th Jul 2026545 PMAQI
18th Jul 2026526 PMAQI
18th Jul 2026607 PMAQI
18th Jul 2026678 PMAQI
18th Jul 2026709 PMAQI
18th Jul 20267610 PMAQI
18th Jul 20267611 PMAQI
19th Jul 20267112 AMAQI
19th Jul 2026671 AMAQI
19th Jul 2026682 AMAQI
19th Jul 2026653 AMAQI
19th Jul 2026654 AMAQI

25°C20/31°C

19th Jul 2026595 AMAQI
19th Jul 2026606 AMAQI
19th Jul 2026627 AMAQI
19th Jul 2026628 AMAQI
19th Jul 2026609 AMAQI
19th Jul 20265710 AMAQI
19th Jul 20265111 AMAQI
19th Jul 20264012 PMAQI
19th Jul 2026381 PMAQI
19th Jul 2026332 PMAQI
19th Jul 2026333 PMAQI
19th Jul 2026314 PMAQI
19th Jul 2026365 PMAQI
19th Jul 2026446 PMAQI
19th Jul 2026467 PMAQI
19th Jul 2026648 PMAQI
19th Jul 2026659 PMAQI
19th Jul 20266610 PMAQI
19th Jul 20266611 PMAQI
20th Jul 20266912 AMAQI
20th Jul 2026701 AMAQI
20th Jul 2026642 AMAQI
20th Jul 2026653 AMAQI
20th Jul 2026604 AMAQI

25°C21/30°C

20th Jul 2026575 AMAQI
20th Jul 2026596 AMAQI
20th Jul 2026577 AMAQI
20th Jul 2026668 AMAQI
20th Jul 2026709 AMAQI
20th Jul 20265710 AMAQI
20th Jul 20265711 AMAQI
20th Jul 20265712 PMAQI
20th Jul 2026541 PMAQI
20th Jul 2026442 PMAQI
20th Jul 2026423 PMAQI
20th Jul 2026364 PMAQI
20th Jul 2026315 PMAQI
20th Jul 2026366 PMAQI
20th Jul 2026647 PMAQI
20th Jul 2026658 PMAQI
20th Jul 2026629 PMAQI
20th Jul 20266310 PMAQI
20th Jul 20265511 PMAQI
21st Jul 20265712 AMAQI
21st Jul 2026531 AMAQI
21st Jul 2026532 AMAQI
21st Jul 2026493 AMAQI
21st Jul 2026584 AMAQI

25°C20/32°C

21st Jul 2026545 AMAQI
21st Jul 2026466 AMAQI
21st Jul 2026577 AMAQI
21st Jul 2026638 AMAQI
21st Jul 2026449 AMAQI
21st Jul 20266211 AMAQI
21st Jul 20264612 PMAQI
21st Jul 2026331 PMAQI
21st Jul 2026312 PMAQI
21st Jul 2026363 PMAQI
21st Jul 2026274 PMAQI
21st Jul 2026955 PMAQI
21st Jul 2026386 PMAQI
21st Jul 2026367 PMAQI
21st Jul 2026258 PMAQI
21st Jul 2026449 PMAQI
21st Jul 20265910 PMAQI
21st Jul 20268211 PMAQI
22nd Jul 20268412 AMAQI
22nd Jul 2026831 AMAQI
22nd Jul 2026832 AMAQI
22nd Jul 2026813 AMAQI
22nd Jul 2026784 AMAQI

24°C22/27°C

22nd Jul 2026895 AMAQI
22nd Jul 2026786 AMAQI
22nd Jul 2026337 AMAQI
22nd Jul 2026558 AMAQI
22nd Jul 2026629 AMAQI
22nd Jul 20265710 AMAQI
22nd Jul 20265211 AMAQI
22nd Jul 20265412 PMAQI
22nd Jul 2026521 PMAQI
22nd Jul 2026562 PMAQI
22nd Jul 2026493 PMAQI
22nd Jul 2026364 PMAQI
22nd Jul 2026365 PMAQI
22nd Jul 2026386 PMAQI
22nd Jul 2026277 PMAQI
22nd Jul 2026298 PMAQI
22nd Jul 2026339 PMAQI
22nd Jul 20264010 PMAQI
22nd Jul 20264811 PMAQI
23rd Jul 20262512 AMAQI
23rd Jul 2026251 AMAQI
23rd Jul 2026292 AMAQI
23rd Jul 2026313 AMAQI
23rd Jul 2026334 AMAQI

23°C22/25°C

23rd Jul 2026295 AMAQI
23rd Jul 2026446 AMAQI
23rd Jul 2026447 AMAQI
23rd Jul 2026538 AMAQI
23rd Jul 2026469 AMAQI
23rd Jul 20264010 AMAQI
23rd Jul 20263311 AMAQI
23rd Jul 20262512 PMAQI
23rd Jul 2026211 PMAQI
23rd Jul 2026272 PMAQI
23rd Jul 2026213 PMAQI
23rd Jul 2026214 PMAQI
23rd Jul 2026215 PMAQI
23rd Jul 2026216 PMAQI
23rd Jul 2026217 PMAQI
23rd Jul 2026218 PMAQI
23rd Jul 2026219 PMAQI
23rd Jul 20264010 PMAQI
23rd Jul 20262111 PMAQI
24th Jul 20263012 AMAQI
24th Jul 2026251 AMAQI
24th Jul 2026482 AMAQI
24th Jul 2026273 AMAQI
24th Jul 2026314 AMAQI

24°C21/29°C

24th Jul 2026335 AMAQI
24th Jul 2026336 AMAQI
24th Jul 2026447 AMAQI
24th Jul 2026448 AMAQI
24th Jul 2026489 AMAQI
24th Jul 20264910 AMAQI
24th Jul 20265411 AMAQI
24th Jul 20265312 PMAQI
24th Jul 2026561 PMAQI
24th Jul 2026482 PMAQI
24th Jul 2026463 PMAQI
24th Jul 2026494 PMAQI
24th Jul 2026445 PMAQI
24th Jul 2026466 PMAQI
24th Jul 2026337 PMAQI
24th Jul 2026558 PMAQI
24th Jul 2026579 PMAQI
24th Jul 20265410 PMAQI
24th Jul 20264911 PMAQI
25th Jul 20265312 AMAQI
25th Jul 2026571 AMAQI
25th Jul 2026662 AMAQI
25th Jul 2026653 AMAQI
25th Jul 2026624 AMAQI

25°C22/30°C

25th Jul 2026665 AMAQI
25th Jul 2026696 AMAQI
25th Jul 2026687 AMAQI
25th Jul 2026768 AMAQI
25th Jul 2026709 AMAQI
25th Jul 20267010 AMAQI
25th Jul 20265911 AMAQI
25th Jul 20265212 PMAQI
25th Jul 2026441 PMAQI
25th Jul 2026422 PMAQI
25th Jul 2026463 PMAQI
25th Jul 2026444 PMAQI
25th Jul 2026535 PMAQI
25th Jul 2026466 PMAQI
25th Jul 2026447 PMAQI
25th Jul 2026538 PMAQI
25th Jul 2026609 PMAQI
25th Jul 20267010 PMAQI
25th Jul 20266211 PMAQI
26th Jul 20263112 AMAQI
26th Jul 2026441 AMAQI
26th Jul 2026442 AMAQI
26th Jul 2026383 AMAQI
26th Jul 2026334 AMAQI

25°C21/30°C

26th Jul 2026335 AMAQI
26th Jul 2026316 AMAQI
26th Jul 2026337 AMAQI
26th Jul 2026318 AMAQI
26th Jul 2026299 AMAQI
26th Jul 20263810 AMAQI
26th Jul 20264411 AMAQI
26th Jul 20265012 PMAQI
26th Jul 2026601 PMAQI
26th Jul 2026482 PMAQI
26th Jul 2026443 PMAQI
26th Jul 2026524 PMAQI
26th Jul 2026505 PMAQI
26th Jul 2026316 PMAQI
26th Jul 2026567 PMAQI
26th Jul 2026388 PMAQI
26th Jul 2026449 PMAQI
26th Jul 20265010 PMAQI
26th Jul 20263211 PMAQI
27th Jul 20264212 AMAQI
27th Jul 2026211 AMAQI
27th Jul 2026252 AMAQI
27th Jul 2026253 AMAQI
27th Jul 2026254 AMAQI

25°C22/30°C

27th Jul 2026255 AMAQI
27th Jul 2026216 AMAQI
27th Jul 2026337 AMAQI
27th Jul 2026388 AMAQI
27th Jul 2026409 AMAQI
27th Jul 20263810 AMAQI
27th Jul 20264211 AMAQI
27th Jul 20262512 PMAQI
27th Jul 2026211 PMAQI
27th Jul 2026212 PMAQI
27th Jul 2026253 PMAQI
27th Jul 2026384 PMAQI
27th Jul 2026335 PMAQI
27th Jul 2026426 PMAQI
27th Jul 2026297 PMAQI
27th Jul 2026258 PMAQI
27th Jul 2026279 PMAQI
27th Jul 20262310 PMAQI
27th Jul 20262311 PMAQI
28th Jul 20262512 AMAQI
28th Jul 2026271 AMAQI
28th Jul 2026272 AMAQI
28th Jul 2026253 AMAQI
28th Jul 2026294 AMAQI

25°C22/28°C

28th Jul 2026335 AMAQI
28th Jul 2026466 AMAQI
28th Jul 2026427 AMAQI
28th Jul 2026578 AMAQI
28th Jul 2026569 AMAQI
28th Jul 20265410 AMAQI
28th Jul 20265111 AMAQI
28th Jul 20265712 PMAQI
28th Jul 2026581 PMAQI
28th Jul 2026522 PMAQI
28th Jul 2026363 PMAQI
28th Jul 2026364 PMAQI
28th Jul 2026315 PMAQI
28th Jul 2026366 PMAQI
28th Jul 2026317 PMAQI
28th Jul 2026318 PMAQI
28th Jul 2026469 PMAQI
28th Jul 20265010 PMAQI
28th Jul 20266411 PMAQI
29th Jul 20265312 AMAQI
29th Jul 2026521 AMAQI
29th Jul 2026252 AMAQI
29th Jul 2026253 AMAQI
29th Jul 2026254 AMAQI

24°C22/28°C

29th Jul 2026255 AMAQI
29th Jul 2026336 AMAQI
29th Jul 2026577 AMAQI
29th Jul 2026628 AMAQI
29th Jul 2026539 AMAQI
29th Jul 20265310 AMAQI
29th Jul 20265211 AMAQI
29th Jul 20264412 PMAQI
29th Jul 2026521 PMAQI
29th Jul 2026312 PMAQI
29th Jul 2026253 PMAQI
29th Jul 2026254 PMAQI
29th Jul 2026275 PMAQI
29th Jul 2026216 PMAQI
29th Jul 2026317 PMAQI
29th Jul 2026508 PMAQI
29th Jul 2026689 PMAQI
29th Jul 20266210 PMAQI
29th Jul 20266911 PMAQI
30th Jul 20264412 AMAQI
30th Jul 2026461 AMAQI
30th Jul 2026502 AMAQI
30th Jul 2026333 AMAQI
30th Jul 2026314 AMAQI

24°C23/26°C

30th Jul 2026215 AMAQI
30th Jul 2026216 AMAQI
30th Jul 2026257 AMAQI
30th Jul 2026258 AMAQI
30th Jul 2026259 AMAQI
30th Jul 20262510 AMAQI
30th Jul 20262311 AMAQI
30th Jul 20264412 PMAQI
30th Jul 2026251 PMAQI
30th Jul 2026212 PMAQI
30th Jul 2026273 PMAQI
30th Jul 2026214 PMAQI
30th Jul 2026235 PMAQI
30th Jul 2026256 PMAQI
30th Jul 2026217 PMAQI
30th Jul 2026238 PMAQI
30th Jul 2026239 PMAQI
30th Jul 20262510 PMAQI
30th Jul 20263611 PMAQI
31st Jul 20263812 AMAQI
31st Jul 2026381 AMAQI
31st Jul 2026292 AMAQI
31st Jul 2026253 AMAQI
31st Jul 2026254 AMAQI

24°C23/28°C

31st Jul 2026255 AMAQI
31st Jul 2026276 AMAQI
31st Jul 2026217 AMAQI
31st Jul 2026298 AMAQI
31st Jul 2026219 AMAQI
31st Jul 20262110 AMAQI
31st Jul 20262111 AMAQI
31st Jul 20262312 PMAQI
31st Jul 2026251 PMAQI
31st Jul 2026252 PMAQI
31st Jul 2026293 PMAQI
31st Jul 2026334 PMAQI
31st Jul 2026315 PMAQI
31st Jul 2026256 PMAQI
31st Jul 2026257 PMAQI
31st Jul 2026218 PMAQI
31st Jul 2026259 PMAQI
31st Jul 20262910 PMAQI
31st Jul 20263111 PMAQI
1st Aug 20263412 AMAQI
1st Aug 2026251 AMAQI
1st Aug 2026252 AMAQI
1st Aug 2026333 AMAQI
1st Aug 2026254 AMAQI

25°C22/28°C

1st Aug 2026335 AMAQI
1st Aug 2026386 AMAQI
1st Aug 2026237 AMAQI
1st Aug 2026318 AMAQI
1st Aug 2026299 AMAQI
1st Aug 20262910 AMAQI
1st Aug 20262511 AMAQI
1st Aug 20262312 PMAQI
1st Aug 2026251 PMAQI
1st Aug 2026272 PMAQI
1st Aug 2026213 PMAQI
1st Aug 2026254 PMAQI
1st Aug 2026215 PMAQI
1st Aug 2026256 PMAQI
1st Aug 2026257 PMAQI
1st Aug 2026258 PMAQI
1st Aug 2026259 PMAQI
1st Aug 20262910 PMAQI
1st Aug 20263111 PMAQI
2nd Aug 20262912 AMAQI
2nd Aug 2026291 AMAQI
2nd Aug 2026252 AMAQI
2nd Aug 2026253 AMAQI
2nd Aug 2026254 AMAQI

24°C23/27°C

2nd Aug 2026235 AMAQI
2nd Aug 2026256 AMAQI
2nd Aug 2026217 AMAQI
2nd Aug 2026258 AMAQI
2nd Aug 2026299 AMAQI
2nd Aug 20262910 AMAQI
2nd Aug 20262511 AMAQI
2nd Aug 20262512 PMAQI
2nd Aug 2026251 PMAQI
2nd Aug 2026252 PMAQI
2nd Aug 2026253 PMAQI
2nd Aug 2026234 PMAQI
2nd Aug 2026255 PMAQI
2nd Aug 2026296 PMAQI
2nd Aug 2026297 PMAQI
2nd Aug 2026258 PMAQI
2nd Aug 2026349 PMAQI
2nd Aug 20263210 PMAQI
2nd Aug 20262511 PMAQI
3rd Aug 20262712 AMAQI
3rd Aug 2026231 AMAQI
3rd Aug 2026232 AMAQI
3rd Aug 2026273 AMAQI
3rd Aug 2026274 AMAQI

24°C23/27°C

3rd Aug 2026255 AMAQI
3rd Aug 2026256 AMAQI
3rd Aug 2026257 AMAQI
3rd Aug 2026258 AMAQI
3rd Aug 2026259 AMAQI
3rd Aug 20262910 AMAQI
3rd Aug 20262911 AMAQI
3rd Aug 20262912 PMAQI
3rd Aug 2026291 PMAQI
3rd Aug 2026292 PMAQI
3rd Aug 2026273 PMAQI
3rd Aug 2026294 PMAQI
3rd Aug 2026235 PMAQI
3rd Aug 2026276 PMAQI
3rd Aug 2026257 PMAQI
3rd Aug 2026298 PMAQI
3rd Aug 2026299 PMAQI
3rd Aug 20262910 PMAQI
3rd Aug 20263111 PMAQI
4th Aug 20263312 AMAQI
4th Aug 2026311 AMAQI
4th Aug 2026312 AMAQI
4th Aug 2026293 AMAQI
4th Aug 2026294 AMAQI

25°C22/29°C

4th Aug 2026275 AMAQI
4th Aug 2026296 AMAQI
4th Aug 2026257 AMAQI
4th Aug 2026238 AMAQI
4th Aug 2026259 AMAQI
4th Aug 20263310 AMAQI
4th Aug 20262911 AMAQI
4th Aug 20262912 PMAQI
4th Aug 2026291 PMAQI
4th Aug 2026272 PMAQI
4th Aug 2026253 PMAQI
4th Aug 2026254 PMAQI
4th Aug 2026275 PMAQI
4th Aug 2026216 PMAQI
4th Aug 2026237 PMAQI
4th Aug 2026278 PMAQI
4th Aug 2026239 PMAQI
4th Aug 20262510 PMAQI
4th Aug 20262511 PMAQI
5th Aug 20262512 AMAQI
5th Aug 2026251 AMAQI
5th Aug 2026252 AMAQI
5th Aug 2026253 AMAQI
5th Aug 2026274 AMAQI

25°C22/30°C

5th Aug 2026255 AMAQI
5th Aug 2026256 AMAQI
5th Aug 2026297 AMAQI
5th Aug 2026258 AMAQI
5th Aug 2026299 AMAQI
5th Aug 20263610 AMAQI
5th Aug 20263311 AMAQI
5th Aug 20263612 PMAQI
5th Aug 2026331 PMAQI
5th Aug 2026332 PMAQI
5th Aug 2026293 PMAQI
5th Aug 2026274 PMAQI
5th Aug 2026215 PMAQI
5th Aug 2026216 PMAQI
5th Aug 2026317 PMAQI
5th Aug 2026318 PMAQI
5th Aug 2026279 PMAQI
5th Aug 20262510 PMAQI
5th Aug 20262511 PMAQI
6th Aug 20262712 AMAQI
6th Aug 2026331 AMAQI
6th Aug 2026252 AMAQI
6th Aug 2026253 AMAQI
6th Aug 2026254 AMAQI

24°C23/26°C

6th Aug 2026255 AMAQI
6th Aug 2026236 AMAQI
6th Aug 2026237 AMAQI
6th Aug 2026258 AMAQI
6th Aug 2026259 AMAQI
6th Aug 20262710 AMAQI
6th Aug 20262311 AMAQI
6th Aug 20262312 PMAQI
6th Aug 2026251 PMAQI
6th Aug 2026512 PMAQI
6th Aug 2026313 PMAQI
6th Aug 2026884 PMAQI
6th Aug 2026575 PMAQI
6th Aug 2026706 PMAQI
6th Aug 2026647 PMAQI
6th Aug 2026238 PMAQI
6th Aug 2026389 PMAQI
6th Aug 20264210 PMAQI
6th Aug 20263611 PMAQI
7th Aug 20263312 AMAQI
7th Aug 2026421 AMAQI
7th Aug 2026342 AMAQI
7th Aug 2026293 AMAQI
7th Aug 2026444 AMAQI

25°C23/30°C

7th Aug 2026475 AMAQI
7th Aug 2026486 AMAQI
7th Aug 2026257 AMAQI
7th Aug 2026218 AMAQI
7th Aug 2026319 AMAQI
7th Aug 20262510 AMAQI
7th Aug 20262511 AMAQI
7th Aug 20262112 PMAQI
7th Aug 2026251 PMAQI
7th Aug 2026252 PMAQI
7th Aug 2026253 PMAQI
7th Aug 2026294 PMAQI
7th Aug 2026255 PMAQI
7th Aug 2026336 PMAQI
7th Aug 2026257 PMAQI
7th Aug 2026318 PMAQI
7th Aug 2026389 PMAQI
7th Aug 20262310 PMAQI
7th Aug 20262711 PMAQI
8th Aug 20262312 AMAQI
8th Aug 2026251 AMAQI
8th Aug 2026212 AMAQI
8th Aug 2026293 AMAQI
8th Aug 2026254 AMAQI

25°C23/29°C

8th Aug 2026255 AMAQI
8th Aug 2026256 AMAQI
8th Aug 2026257 AMAQI
8th Aug 2026298 AMAQI
8th Aug 2026219 AMAQI
8th Aug 20262510 AMAQI
8th Aug 20262511 AMAQI
8th Aug 20262512 PMAQI
8th Aug 2026211 PMAQI
8th Aug 2026212 PMAQI
8th Aug 2026253 PMAQI
8th Aug 2026214 PMAQI
8th Aug 2026295 PMAQI
8th Aug 2026296 PMAQI
8th Aug 2026337 PMAQI
8th Aug 2026258 PMAQI
8th Aug 2026219 PMAQI
8th Aug 20262710 PMAQI
8th Aug 20262511 PMAQI
9th Aug 20262512 AMAQI
9th Aug 2026251 AMAQI
9th Aug 2026232 AMAQI
9th Aug 2026213 AMAQI
9th Aug 2026254 AMAQI

24°C23/25°C

9th Aug 2026295 AMAQI
9th Aug 2026336 AMAQI
9th Aug 2026317 AMAQI
9th Aug 2026338 AMAQI
9th Aug 2026539 AMAQI
9th Aug 20265010 AMAQI
9th Aug 20264611 AMAQI
9th Aug 20264412 PMAQI
9th Aug 2026481 PMAQI
9th Aug 2026382 PMAQI
9th Aug 2026293 PMAQI
9th Aug 2026274 PMAQI
9th Aug 2026295 PMAQI
9th Aug 2026256 PMAQI
9th Aug 2026337 PMAQI
9th Aug 2026298 PMAQI
9th Aug 2026389 PMAQI
9th Aug 20262910 PMAQI
9th Aug 20263811 PMAQI
10th Aug 20262712 AMAQI
10th Aug 2026421 AMAQI
10th Aug 2026292 AMAQI
10th Aug 2026253 AMAQI
10th Aug 2026334 AMAQI

24°C23/26°C

10th Aug 2026215 AMAQI
10th Aug 2026256 AMAQI
10th Aug 2026277 AMAQI
10th Aug 2026238 AMAQI
10th Aug 2026299 AMAQI
10th Aug 20262110 AMAQI
10th Aug 20263111 AMAQI
10th Aug 20262912 PMAQI
10th Aug 2026211 PMAQI
10th Aug 2026252 PMAQI
10th Aug 2026293 PMAQI
10th Aug 2026254 PMAQI
10th Aug 2026215 PMAQI
10th Aug 2026216 PMAQI
10th Aug 2026257 PMAQI
10th Aug 2026218 PMAQI
10th Aug 2026219 PMAQI
10th Aug 20262110 PMAQI
10th Aug 20262111 PMAQI
11th Aug 20263212 AMAQI
11th Aug 2026461 AMAQI
11th Aug 2026362 AMAQI
11th Aug 2026253 AMAQI
11th Aug 2026294 AMAQI

24°C23/27°C

11th Aug 2026215 AMAQI
11th Aug 2026256 AMAQI
11th Aug 2026217 AMAQI
11th Aug 2026298 AMAQI
11th Aug 2026259 AMAQI
11th Aug 20262910 AMAQI
11th Aug 20263811 AMAQI
11th Aug 20262112 PMAQI
11th Aug 2026251 PMAQI
11th Aug 2026382 PMAQI
11th Aug 2026293 PMAQI
11th Aug 2026214 PMAQI
11th Aug 2026255 PMAQI
11th Aug 2026336 PMAQI
11th Aug 2026257 PMAQI
11th Aug 2026298 PMAQI
11th Aug 2026339 PMAQI
11th Aug 20262910 PMAQI
11th Aug 20262911 PMAQI
12th Aug 20263112 AMAQI
12th Aug 2026381 AMAQI
12th Aug 2026342 AMAQI
12th Aug 2026363 AMAQI
12th Aug 2026404 AMAQI

24°C23/28°C

12th Aug 2026425 AMAQI
12th Aug 2026216 AMAQI
12th Aug 2026257 AMAQI
12th Aug 2026218 AMAQI
12th Aug 2026299 AMAQI
12th Aug 20262110 AMAQI
12th Aug 20262511 AMAQI
12th Aug 20262912 PMAQI
12th Aug 2026291 PMAQI
12th Aug 2026252 PMAQI
12th Aug 2026253 PMAQI
12th Aug 2026254 PMAQI
12th Aug 2026365 PMAQI
12th Aug 2026296 PMAQI
12th Aug 2026297 PMAQI
12th Aug 2026298 PMAQI
12th Aug 2026349 PMAQI
12th Aug 20263110 PMAQI
12th Aug 20263311 PMAQI
13th Aug 20263112 AMAQI
13th Aug 2026311 AMAQI
13th Aug 2026312 AMAQI
13th Aug 2026253 AMAQI
13th Aug 2026294 AMAQI

24°C22/28°C

13th Aug 2026295 AMAQI
5 AM
13th Aug 2026296 AMAQI
13th Aug 2026297 AMAQI
13th Aug 2026298 AMAQI
13th Aug 2026299 AMAQI
13th Aug 20263310 AMAQI
13th Aug 20263311 AMAQI
11 AM
13th Aug 20263312 PMAQI
13th Aug 2026331 PMAQI
13th Aug 2026312 PMAQI
13th Aug 2026293 PMAQI
13th Aug 2026334 PMAQI
13th Aug 2026295 PMAQI
13th Aug 2026296 PMAQI
6 PM
13th Aug 2026387 PMAQI
13th Aug 2026258 PMAQI
13th Aug 2026469 PMAQI
13th Aug 20265210 PMAQI
13th Aug 20265011 PMAQI
11 PM
4 AM

25°C21/30°C

Day time
Avg. Highest Time
8 AM - 11 AM

38AQI

4 hours / Day
120 hours / Month
Avg. Lowest Time
3 PM

32AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 AM to 11 AM (Avg. 38), while the lowest AQI was between 3 PM to 3 PM (Avg. 32).
Night time
Avg. Highest Time
9 PM - 11 PM

42AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
3 AM - 8 PM

35AQI

4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 PM to 11 PM (Avg. 42), while the lowest AQI was between 3 AM to 8 PM (Avg. 35).

2026 Days Vs Air Quality

Na Chak, Mueang Phrae, Phrae, Thailand

2026

36%

82

40%

89

23%

52

0.8%

2

Total number of days with different AQI categories in last 225 days in 2026 (140 days remaining)

Good
82 Days
Moderate
89 Days
Poor
52 Days
Unhealthy
2 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 36%

Health Risk Level:

High

In 2026, 36% of 225 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

Na Chak, Mueang Phrae, Phrae, 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
71AQI (US)
2nd January 2026
70AQI (US)
3rd January 2026
57AQI (US)
4th January 2026
44AQI (US)
5th January 2026
56AQI (US)
6th January 2026
54AQI (US)
7th January 2026
48AQI (US)
8th January 2026
59AQI (US)
9th January 2026
62AQI (US)
10th January 2026
61AQI (US)
11th January 2026
63AQI (US)
12th January 2026
70AQI (US)
13th January 2026
73AQI (US)
14th January 2026
77AQI (US)
15th January 2026
74AQI (US)
16th January 2026
79AQI (US)
17th January 2026
67AQI (US)
18th January 2026
61AQI (US)
19th January 2026
59AQI (US)
20th January 2026
59AQI (US)
21st January 2026
61AQI (US)
22nd January 2026
61AQI (US)
23rd January 2026
69AQI (US)
24th January 2026
69AQI (US)
25th January 2026
62AQI (US)
26th January 2026
68AQI (US)
27th January 2026
70AQI (US)
28th January 2026
86AQI (US)
29th January 2026
87AQI (US)
30th January 2026
105AQI (US)
31st January 2026
109AQI (US)
1st February 2026
111AQI (US)
2nd February 2026
94AQI (US)
3rd February 2026
72AQI (US)
4th February 2026
69AQI (US)
5th February 2026
85AQI (US)
6th February 2026
87AQI (US)
7th February 2026
89AQI (US)
8th February 2026
96AQI (US)
9th February 2026
88AQI (US)
10th February 2026
83AQI (US)
11th February 2026
82AQI (US)
12th February 2026
94AQI (US)
13th February 2026
96AQI (US)
14th February 2026
105AQI (US)
15th February 2026
111AQI (US)
16th February 2026
116AQI (US)
17th February 2026
104AQI (US)
18th February 2026
90AQI (US)
19th February 2026
70AQI (US)
20th February 2026
67AQI (US)
21st February 2026
81AQI (US)
22nd February 2026
113AQI (US)
23rd February 2026
132AQI (US)
24th February 2026
131AQI (US)
25th February 2026
75AQI (US)
26th February 2026
37AQI (US)
27th February 2026
69AQI (US)
28th February 2026
68AQI (US)
1st March 2026
93AQI (US)
2nd March 2026
96AQI (US)
3rd March 2026
111AQI (US)
4th March 2026
119AQI (US)
5th March 2026
117AQI (US)
6th March 2026
102AQI (US)
7th March 2026
89AQI (US)
8th March 2026
91AQI (US)
9th March 2026
92AQI (US)
10th March 2026
86AQI (US)
11th March 2026
88AQI (US)
12th March 2026
63AQI (US)
13th March 2026
69AQI (US)
14th March 2026
73AQI (US)
15th March 2026
81AQI (US)
16th March 2026
76AQI (US)
17th March 2026
78AQI (US)
18th March 2026
94AQI (US)
19th March 2026
103AQI (US)
20th March 2026
108AQI (US)
21st March 2026
102AQI (US)
22nd March 2026
116AQI (US)
23rd March 2026
115AQI (US)
24th March 2026
138AQI (US)
25th March 2026
137AQI (US)
26th March 2026
145AQI (US)
27th March 2026
150AQI (US)
28th March 2026
143AQI (US)
29th March 2026
117AQI (US)
30th March 2026
127AQI (US)
31st March 2026
128AQI (US)
1st April 2026
154AQI (US)
2nd April 2026
155AQI (US)
3rd April 2026
134AQI (US)
4th April 2026
143AQI (US)
5th April 2026
144AQI (US)
6th April 2026
136AQI (US)
7th April 2026
139AQI (US)
8th April 2026
138AQI (US)
9th April 2026
106AQI (US)
10th April 2026
116AQI (US)
11th April 2026
128AQI (US)
12th April 2026
147AQI (US)
13th April 2026
130AQI (US)
14th April 2026
119AQI (US)
15th April 2026
124AQI (US)
16th April 2026
116AQI (US)
17th April 2026
147AQI (US)
18th April 2026
129AQI (US)
19th April 2026
126AQI (US)
20th April 2026
110AQI (US)
21st April 2026
102AQI (US)
22nd April 2026
134AQI (US)
23rd April 2026
129AQI (US)
24th April 2026
118AQI (US)
25th April 2026
114AQI (US)
26th April 2026
102AQI (US)
27th April 2026
90AQI (US)
28th April 2026
86AQI (US)
29th April 2026
76AQI (US)
30th April 2026
79AQI (US)
1st May 2026
64AQI (US)
2nd May 2026
88AQI (US)
3rd May 2026
92AQI (US)
4th May 2026
101AQI (US)
5th May 2026
53AQI (US)
6th May 2026
68AQI (US)
7th May 2026
78AQI (US)
8th May 2026
44AQI (US)
9th May 2026
41AQI (US)
10th May 2026
43AQI (US)
11th May 2026
51AQI (US)
12th May 2026
36AQI (US)
13th May 2026
34AQI (US)
14th May 2026
35AQI (US)
15th May 2026
35AQI (US)
16th May 2026
90AQI (US)
17th May 2026
86AQI (US)
18th May 2026
71AQI (US)
19th May 2026
56AQI (US)
20th May 2026
66AQI (US)
21st May 2026
72AQI (US)
22nd May 2026
66AQI (US)
23rd May 2026
41AQI (US)
24th May 2026
53AQI (US)
25th May 2026
54AQI (US)
26th May 2026
43AQI (US)
27th May 2026
33AQI (US)
28th May 2026
54AQI (US)
29th May 2026
26AQI (US)
30th May 2026
27AQI (US)
31st May 2026
44AQI (US)
1st June 2026
53AQI (US)
2nd June 2026
69AQI (US)
3rd June 2026
58AQI (US)
4th June 2026
42AQI (US)
5th June 2026
15AQI (US)
6th June 2026
23AQI (US)
7th June 2026
41AQI (US)
8th June 2026
24AQI (US)
9th June 2026
27AQI (US)
10th June 2026
26AQI (US)
11th June 2026
28AQI (US)
12th June 2026
27AQI (US)
13th June 2026
25AQI (US)
14th June 2026
28AQI (US)
15th June 2026
25AQI (US)
16th June 2026
29AQI (US)
17th June 2026
27AQI (US)
18th June 2026
29AQI (US)
19th June 2026
30AQI (US)
20th June 2026
31AQI (US)
21st June 2026
23AQI (US)
22nd June 2026
22AQI (US)
23rd June 2026
25AQI (US)
24th June 2026
23AQI (US)
25th June 2026
23AQI (US)
26th June 2026
32AQI (US)
27th June 2026
32AQI (US)
28th June 2026
32AQI (US)
29th June 2026
25AQI (US)
30th June 2026
26AQI (US)
1st July 2026
26AQI (US)
2nd July 2026
26AQI (US)
3rd July 2026
24AQI (US)
4th July 2026
27AQI (US)
5th July 2026
24AQI (US)
6th July 2026
22AQI (US)
7th July 2026
29AQI (US)
8th July 2026
25AQI (US)
9th July 2026
39AQI (US)
10th July 2026
45AQI (US)
11th July 2026
32AQI (US)
12th July 2026
21AQI (US)
13th July 2026
26AQI (US)
14th July 2026
31AQI (US)
15th July 2026
35AQI (US)
16th July 2026
37AQI (US)
17th July 2026
32AQI (US)
18th July 2026
60AQI (US)
19th July 2026
55AQI (US)
20th July 2026
57AQI (US)
21st July 2026
50AQI (US)
22nd July 2026
56AQI (US)
23rd July 2026
30AQI (US)
24th July 2026
44AQI (US)
25th July 2026
58AQI (US)
26th July 2026
41AQI (US)
27th July 2026
29AQI (US)
28th July 2026
42AQI (US)
29th July 2026
42AQI (US)
30th July 2026
28AQI (US)
31st July 2026
27AQI (US)
1st August 2026
27AQI (US)
2nd August 2026
26AQI (US)
3rd August 2026
27AQI (US)
4th August 2026
27AQI (US)
5th August 2026
28AQI (US)
6th August 2026
36AQI (US)
7th August 2026
30AQI (US)
8th August 2026
25AQI (US)
9th August 2026
33AQI (US)
10th August 2026
26AQI (US)
11th August 2026
29AQI (US)
12th August 2026
30AQI (US)
13th August 2026
33AQI (US)
14th August 2026
15th August 2026
16th August 2026
17th August 2026
18th August 2026
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

68AQI (US)

90AQI (US)

105AQI (US)

122AQI (US)

56AQI (US)

31AQI (US)

36AQI (US)

29AQI (US)

No. of days

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

202670AQI (US)

2
27
2
1
19
8
14
17
4
24
2
13
17
1
27
3
26
5
13
82
89
52
2

Highest AQI (US) recorded in

April

122AQI (US)

Lowest AQI (US) recorded in

August

29AQI (US)

202575AQI (US)

7
24
8
20
7
16
8
24
6
1
30
2
28
2
29
5
26
16
14
3
28
12
18
1
30
42
249
66
8

Highest AQI (US) recorded in

March

125AQI (US)

Lowest AQI (US) recorded in

September

44AQI (US)

202455AQI (US)

24
5
1
4
2
1
1
1
22
1
18
12
1
30
24
7
26
5
3
3
10
1
29
28
3
106
142
11
3

Highest AQI (US) recorded in

March

119AQI (US)

Lowest AQI (US) recorded in

September

17AQI (US)

202368AQI (US)

17
12
1
3
3
1
2
1
2
1
1
6
1
12
19
16
14
28
3
3
4
5
3
6
22
1
30
1
76
104
31
4
3

Highest AQI (US) recorded in

March

167AQI (US)

Lowest AQI (US) recorded in

July

31AQI (US)

202235AQI (US)

2
27
1
19
11
48
12

Highest AQI (US) recorded in

October

44AQI (US)

Lowest AQI (US) recorded in

November

27AQI (US)

Most & Least Polluted Years Over the Last 5 Years

Most Polluted Year Recorded
2025(Avg.)
75AQI (US)
Least Polluted Year Recorded
2022(Avg.)
35AQI (US)

Na Chak's annual 2026 AQI (US) (70) shows an average percentage change of 30.8% (worsened AQI (US)) compared to previous years: 2022 (35), 2023 (68), 2024 (55), 2025 (75).