Mae Sai district, Chiang Rai, 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
Mae Sai district, Chiang Rai, Thailand
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
1st Aug 2025
57AQILowest AQI recorded on
23rd Aug 2024
7AQISame Day Analysis (9th August):
On this day, AQI across the 3 years varied significantly: 2026 ranks 1st highest AQI at 40 of Good air quality on the same day.
Day & Night AQI Trend: 8th Aug - 9th Aug 2026
Mae Sai district, Chiang Rai, Thailand
AQI
Day
Night
.
5 AM8th Aug 2026
7 PM
4 AM9th Aug 2026
Day time
Avg. Highest Time
10AM8th Aug
49AQI
Avg. Lowest Time
5PM8th Aug
30AQI
Night time
Avg. Highest Time
11PM8th Aug
52AQI
Avg. Lowest Time
4AM9th Aug
25AQI
In the last 24 hours,
Mae Sai district's AQI reached its highest point of 52 at 11 PM during the Night, while the lowest point, 25, was recorded at 4 AM during the Night between 8th Aug and 9th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Mae Sai district, Chiang Rai, Thailand
JulAug
11th - 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 - 06th06th - 07th07th - 08th08th - 09th09th
Day
Night
11th Jul 2026405 AMAQI
11th Jul 2026486 AMAQI
11th Jul 2026297 AMAQI
11th Jul 2026308 AMAQI
11th Jul 2026249 AMAQI
11th Jul 20263610 AMAQI
11th Jul 20263311 AMAQI
11th Jul 20263312 PMAQI
11th Jul 2026321 PMAQI
11th Jul 2026472 PMAQI
11th Jul 2026403 PMAQI
11th Jul 2026374 PMAQI
11th Jul 2026505 PMAQI
11th Jul 2026356 PMAQI
11th Jul 2026507 PMAQI
11th Jul 2026298 PMAQI
11th Jul 2026289 PMAQI
11th Jul 20262810 PMAQI
11th Jul 20263811 PMAQI
12th Jul 20263812 AMAQI
12th Jul 2026481 AMAQI
12th Jul 2026362 AMAQI
12th Jul 2026273 AMAQI
12th Jul 2026364 AMAQI
24°C21/31°C
12th Jul 2026285 AMAQI
12th Jul 2026366 AMAQI
12th Jul 2026267 AMAQI
12th Jul 2026398 AMAQI
12th Jul 2026349 AMAQI
12th Jul 20263610 AMAQI
12th Jul 20263211 AMAQI
12th Jul 20264312 PMAQI
12th Jul 2026451 PMAQI
12th Jul 2026332 PMAQI
12th Jul 2026263 PMAQI
12th Jul 2026444 PMAQI
12th Jul 2026375 PMAQI
12th Jul 2026386 PMAQI
12th Jul 2026387 PMAQI
12th Jul 2026468 PMAQI
12th Jul 2026369 PMAQI
12th Jul 20263710 PMAQI
12th Jul 20265711 PMAQI
13th Jul 20262612 AMAQI
13th Jul 2026261 AMAQI
13th Jul 2026542 AMAQI
13th Jul 2026543 AMAQI
13th Jul 2026484 AMAQI
23°C21/28°C
13th Jul 2026665 AMAQI
13th Jul 2026646 AMAQI
13th Jul 2026487 AMAQI
13th Jul 2026448 AMAQI
13th Jul 2026599 AMAQI
13th Jul 20265910 AMAQI
13th Jul 20265411 AMAQI
13th Jul 20265512 PMAQI
13th Jul 2026191 PMAQI
13th Jul 2026542 PMAQI
13th Jul 2026453 PMAQI
13th Jul 2026474 PMAQI
13th Jul 2026365 PMAQI
13th Jul 2026386 PMAQI
13th Jul 2026487 PMAQI
13th Jul 2026388 PMAQI
13th Jul 2026309 PMAQI
13th Jul 20263910 PMAQI
13th Jul 20263811 PMAQI
14th Jul 20265112 AMAQI
14th Jul 2026481 AMAQI
14th Jul 2026662 AMAQI
14th Jul 2026563 AMAQI
14th Jul 2026504 AMAQI
24°C21/28°C
14th Jul 2026575 AMAQI
14th Jul 2026486 AMAQI
14th Jul 2026507 AMAQI
14th Jul 2026408 AMAQI
14th Jul 2026459 AMAQI
14th Jul 20262010 AMAQI
14th Jul 20263811 AMAQI
14th Jul 20264212 PMAQI
14th Jul 2026201 PMAQI
14th Jul 2026342 PMAQI
14th Jul 2026363 PMAQI
14th Jul 2026284 PMAQI
14th Jul 2026515 PMAQI
14th Jul 2026426 PMAQI
14th Jul 2026297 PMAQI
14th Jul 2026298 PMAQI
14th Jul 2026509 PMAQI
14th Jul 20264410 PMAQI
14th Jul 20264411 PMAQI
15th Jul 20263312 AMAQI
15th Jul 2026291 AMAQI
15th Jul 2026332 AMAQI
15th Jul 2026323 AMAQI
15th Jul 2026314 AMAQI
24°C21/29°C
15th Jul 2026325 AMAQI
15th Jul 2026316 AMAQI
15th Jul 2026387 AMAQI
15th Jul 2026648 AMAQI
15th Jul 2026519 AMAQI
15th Jul 20263810 AMAQI
15th Jul 20265511 AMAQI
15th Jul 20263112 PMAQI
15th Jul 2026281 PMAQI
15th Jul 2026532 PMAQI
15th Jul 2026243 PMAQI
15th Jul 2026444 PMAQI
15th Jul 2026265 PMAQI
15th Jul 2026336 PMAQI
15th Jul 2026297 PMAQI
15th Jul 2026428 PMAQI
15th Jul 2026509 PMAQI
15th Jul 20264210 PMAQI
15th Jul 20263111 PMAQI
16th Jul 20262912 AMAQI
16th Jul 2026311 AMAQI
16th Jul 2026282 AMAQI
16th Jul 2026283 AMAQI
16th Jul 2026214 AMAQI
24°C21/28°C
16th Jul 2026295 AMAQI
16th Jul 2026256 AMAQI
16th Jul 2026347 AMAQI
16th Jul 2026408 AMAQI
16th Jul 2026339 AMAQI
16th Jul 20264410 AMAQI
16th Jul 20264911 AMAQI
16th Jul 20264612 PMAQI
16th Jul 2026501 PMAQI
16th Jul 2026512 PMAQI
16th Jul 2026583 PMAQI
16th Jul 2026574 PMAQI
16th Jul 2026385 PMAQI
16th Jul 2026516 PMAQI
16th Jul 2026507 PMAQI
16th Jul 2026558 PMAQI
16th Jul 2026429 PMAQI
16th Jul 20263610 PMAQI
16th Jul 20262311 PMAQI
17th Jul 20262612 AMAQI
17th Jul 2026251 AMAQI
17th Jul 2026292 AMAQI
17th Jul 2026223 AMAQI
17th Jul 2026264 AMAQI
23°C21/28°C
17th Jul 2026225 AMAQI
17th Jul 2026276 AMAQI
17th Jul 2026287 AMAQI
17th Jul 2026338 AMAQI
17th Jul 2026579 AMAQI
17th Jul 20265110 AMAQI
17th Jul 20264611 AMAQI
17th Jul 20265412 PMAQI
17th Jul 2026831 PMAQI
17th Jul 2026522 PMAQI
17th Jul 2026513 PMAQI
17th Jul 2026594 PMAQI
17th Jul 2026585 PMAQI
17th Jul 2026596 PMAQI
17th Jul 2026587 PMAQI
17th Jul 2026578 PMAQI
17th Jul 2026549 PMAQI
17th Jul 20266510 PMAQI
17th Jul 20265711 PMAQI
18th Jul 20264812 AMAQI
18th Jul 2026461 AMAQI
18th Jul 2026512 AMAQI
18th Jul 2026463 AMAQI
18th Jul 2026514 AMAQI
22°C21/23°C
18th Jul 2026525 AMAQI
18th Jul 2026516 AMAQI
18th Jul 2026507 AMAQI
18th Jul 2026558 AMAQI
18th Jul 2026589 AMAQI
18th Jul 20265610 AMAQI
18th Jul 20266011 AMAQI
18th Jul 20266612 PMAQI
18th Jul 2026731 PMAQI
18th Jul 2026642 PMAQI
18th Jul 2026643 PMAQI
18th Jul 2026674 PMAQI
18th Jul 2026685 PMAQI
18th Jul 2026676 PMAQI
18th Jul 2026707 PMAQI
18th Jul 2026748 PMAQI
18th Jul 2026689 PMAQI
18th Jul 20266410 PMAQI
18th Jul 20266411 PMAQI
19th Jul 20266212 AMAQI
19th Jul 2026621 AMAQI
19th Jul 2026622 AMAQI
19th Jul 2026593 AMAQI
19th Jul 2026584 AMAQI
21°C21/23°C
19th Jul 2026575 AMAQI
19th Jul 2026586 AMAQI
19th Jul 2026607 AMAQI
19th Jul 2026628 AMAQI
19th Jul 2026729 AMAQI
19th Jul 20267910 AMAQI
19th Jul 20266911 AMAQI
19th Jul 20267012 PMAQI
19th Jul 2026711 PMAQI
19th Jul 2026732 PMAQI
19th Jul 2026743 PMAQI
19th Jul 2026704 PMAQI
19th Jul 2026575 PMAQI
19th Jul 2026526 PMAQI
19th Jul 2026367 PMAQI
19th Jul 2026448 PMAQI
19th Jul 2026629 PMAQI
19th Jul 20267110 PMAQI
19th Jul 20266311 PMAQI
20th Jul 20266012 AMAQI
20th Jul 2026581 AMAQI
20th Jul 2026582 AMAQI
20th Jul 2026513 AMAQI
20th Jul 2026584 AMAQI
22°C19/26°C
20th Jul 2026535 AMAQI
20th Jul 2026646 AMAQI
20th Jul 2026677 AMAQI
20th Jul 2026708 AMAQI
20th Jul 2026689 AMAQI
20th Jul 20266010 AMAQI
20th Jul 20266011 AMAQI
20th Jul 20265412 PMAQI
20th Jul 2026551 PMAQI
20th Jul 2026522 PMAQI
20th Jul 2026583 PMAQI
20th Jul 2026574 PMAQI
20th Jul 2026605 PMAQI
20th Jul 2026466 PMAQI
20th Jul 2026467 PMAQI
20th Jul 2026338 PMAQI
20th Jul 2026319 PMAQI
20th Jul 20263610 PMAQI
20th Jul 20264611 PMAQI
21st Jul 20263312 AMAQI
21st Jul 2026311 AMAQI
21st Jul 2026292 AMAQI
21st Jul 2026253 AMAQI
21st Jul 2026274 AMAQI
22°C19/27°C
21st Jul 2026275 AMAQI
21st Jul 2026256 AMAQI
21st Jul 2026367 AMAQI
21st Jul 2026388 AMAQI
21st Jul 2026339 AMAQI
21st Jul 20265011 AMAQI
21st Jul 20264912 PMAQI
21st Jul 2026421 PMAQI
21st Jul 2026442 PMAQI
21st Jul 2026323 PMAQI
21st Jul 2026294 PMAQI
21st Jul 2026805 PMAQI
21st Jul 2026306 PMAQI
21st Jul 2026327 PMAQI
21st Jul 2026268 PMAQI
21st Jul 2026429 PMAQI
21st Jul 20264010 PMAQI
21st Jul 20262111 PMAQI
22nd Jul 20262412 AMAQI
22nd Jul 2026251 AMAQI
22nd Jul 2026292 AMAQI
22nd Jul 2026333 AMAQI
22nd Jul 2026264 AMAQI
22°C19/27°C
22nd Jul 2026295 AMAQI
22nd Jul 2026296 AMAQI
22nd Jul 2026297 AMAQI
22nd Jul 2026318 AMAQI
22nd Jul 2026299 AMAQI
22nd Jul 20265410 AMAQI
22nd Jul 20265011 AMAQI
22nd Jul 20262912 PMAQI
22nd Jul 2026421 PMAQI
22nd Jul 2026382 PMAQI
22nd Jul 2026423 PMAQI
22nd Jul 2026334 PMAQI
22nd Jul 2026325 PMAQI
22nd Jul 2026566 PMAQI
22nd Jul 2026487 PMAQI
22nd Jul 2026388 PMAQI
22nd Jul 2026259 PMAQI
22nd Jul 20262510 PMAQI
22nd Jul 20263311 PMAQI
23rd Jul 20263112 AMAQI
23rd Jul 2026291 AMAQI
23rd Jul 2026232 AMAQI
23rd Jul 2026253 AMAQI
23rd Jul 2026424 AMAQI
23°C20/27°C
23rd Jul 2026385 AMAQI
23rd Jul 2026386 AMAQI
23rd Jul 2026307 AMAQI
23rd Jul 2026248 AMAQI
23rd Jul 2026299 AMAQI
23rd Jul 20263310 AMAQI
23rd Jul 20263811 AMAQI
23rd Jul 20264412 PMAQI
23rd Jul 2026381 PMAQI
23rd Jul 2026312 PMAQI
23rd Jul 2026363 PMAQI
23rd Jul 2026454 PMAQI
23rd Jul 2026335 PMAQI
23rd Jul 2026316 PMAQI
23rd Jul 2026307 PMAQI
23rd Jul 2026278 PMAQI
23rd Jul 2026459 PMAQI
23rd Jul 20263610 PMAQI
23rd Jul 20263811 PMAQI
24th Jul 20263612 AMAQI
24th Jul 2026281 AMAQI
24th Jul 2026322 AMAQI
24th Jul 2026323 AMAQI
24th Jul 2026324 AMAQI
23°C19/30°C
24th Jul 2026425 AMAQI
24th Jul 2026406 AMAQI
24th Jul 2026417 AMAQI
24th Jul 2026348 AMAQI
24th Jul 2026339 AMAQI
24th Jul 20265010 AMAQI
24th Jul 20265211 AMAQI
24th Jul 20263312 PMAQI
24th Jul 2026331 PMAQI
24th Jul 2026522 PMAQI
24th Jul 2026293 PMAQI
24th Jul 2026384 PMAQI
24th Jul 2026385 PMAQI
24th Jul 2026386 PMAQI
24th Jul 2026387 PMAQI
24th Jul 2026328 PMAQI
24th Jul 2026409 PMAQI
24th Jul 20264210 PMAQI
24th Jul 20264011 PMAQI
25th Jul 20264212 AMAQI
25th Jul 2026291 AMAQI
25th Jul 2026312 AMAQI
25th Jul 2026313 AMAQI
25th Jul 2026274 AMAQI
23°C20/29°C
25th Jul 2026255 AMAQI
25th Jul 2026296 AMAQI
25th Jul 2026257 AMAQI
25th Jul 2026298 AMAQI
25th Jul 2026259 AMAQI
25th Jul 20262910 AMAQI
25th Jul 20263811 AMAQI
25th Jul 20263312 PMAQI
25th Jul 2026291 PMAQI
25th Jul 2026262 PMAQI
25th Jul 2026293 PMAQI
25th Jul 2026464 PMAQI
25th Jul 2026425 PMAQI
25th Jul 2026376 PMAQI
25th Jul 2026347 PMAQI
25th Jul 2026428 PMAQI
25th Jul 2026369 PMAQI
25th Jul 20265010 PMAQI
25th Jul 20263411 PMAQI
26th Jul 20264012 AMAQI
26th Jul 2026301 AMAQI
26th Jul 2026322 AMAQI
26th Jul 2026283 AMAQI
26th Jul 2026424 AMAQI
23°C21/26°C
26th Jul 2026555 AMAQI
26th Jul 2026386 AMAQI
26th Jul 2026367 AMAQI
26th Jul 2026468 AMAQI
26th Jul 2026489 AMAQI
26th Jul 20265110 AMAQI
26th Jul 20264011 AMAQI
26th Jul 20264012 PMAQI
26th Jul 2026501 PMAQI
26th Jul 2026402 PMAQI
26th Jul 2026313 PMAQI
26th Jul 2026424 PMAQI
26th Jul 2026385 PMAQI
26th Jul 2026286 PMAQI
26th Jul 2026287 PMAQI
26th Jul 2026338 PMAQI
26th Jul 2026469 PMAQI
26th Jul 20264410 PMAQI
26th Jul 20264011 PMAQI
27th Jul 20264412 AMAQI
27th Jul 2026401 AMAQI
27th Jul 2026382 AMAQI
27th Jul 2026363 AMAQI
27th Jul 2026484 AMAQI
23°C20/28°C
27th Jul 2026405 AMAQI
27th Jul 2026366 AMAQI
27th Jul 2026387 AMAQI
27th Jul 2026428 AMAQI
27th Jul 2026409 AMAQI
27th Jul 20264910 AMAQI
27th Jul 20264411 AMAQI
27th Jul 20263212 PMAQI
27th Jul 2026331 PMAQI
27th Jul 2026422 PMAQI
27th Jul 2026343 PMAQI
27th Jul 2026344 PMAQI
27th Jul 2026405 PMAQI
27th Jul 2026326 PMAQI
27th Jul 2026367 PMAQI
27th Jul 2026388 PMAQI
27th Jul 2026449 PMAQI
27th Jul 20263810 PMAQI
27th Jul 20263811 PMAQI
28th Jul 20265012 AMAQI
28th Jul 2026331 AMAQI
28th Jul 2026292 AMAQI
28th Jul 2026253 AMAQI
28th Jul 2026294 AMAQI
24°C21/30°C
28th Jul 2026315 AMAQI
28th Jul 2026346 AMAQI
28th Jul 2026347 AMAQI
28th Jul 2026528 AMAQI
28th Jul 2026509 AMAQI
28th Jul 20263810 AMAQI
28th Jul 20264911 AMAQI
28th Jul 20264212 PMAQI
28th Jul 2026331 PMAQI
28th Jul 2026362 PMAQI
28th Jul 2026383 PMAQI
28th Jul 2026564 PMAQI
28th Jul 2026305 PMAQI
28th Jul 2026406 PMAQI
28th Jul 2026347 PMAQI
28th Jul 2026398 PMAQI
28th Jul 2026389 PMAQI
28th Jul 20264910 PMAQI
28th Jul 20265311 PMAQI
29th Jul 20263412 AMAQI
29th Jul 2026311 AMAQI
29th Jul 2026312 AMAQI
29th Jul 2026323 AMAQI
29th Jul 2026424 AMAQI
23°C21/29°C
29th Jul 2026285 AMAQI
29th Jul 2026266 AMAQI
29th Jul 2026347 AMAQI
29th Jul 2026368 AMAQI
29th Jul 2026459 AMAQI
29th Jul 20263810 AMAQI
29th Jul 20264411 AMAQI
29th Jul 20265212 PMAQI
29th Jul 2026451 PMAQI
29th Jul 2026382 PMAQI
29th Jul 2026443 PMAQI
29th Jul 2026404 PMAQI
29th Jul 2026385 PMAQI
29th Jul 2026406 PMAQI
29th Jul 2026407 PMAQI
29th Jul 2026328 PMAQI
29th Jul 2026309 PMAQI
29th Jul 20263210 PMAQI
29th Jul 20263211 PMAQI
30th Jul 20264412 AMAQI
30th Jul 2026441 AMAQI
30th Jul 2026342 AMAQI
30th Jul 2026363 AMAQI
30th Jul 2026284 AMAQI
23°C20/27°C
30th Jul 2026315 AMAQI
30th Jul 2026326 AMAQI
30th Jul 2026327 AMAQI
30th Jul 2026368 AMAQI
30th Jul 2026369 AMAQI
30th Jul 20263110 AMAQI
30th Jul 20264411 AMAQI
30th Jul 20264812 PMAQI
30th Jul 2026541 PMAQI
30th Jul 2026462 PMAQI
30th Jul 2026443 PMAQI
30th Jul 2026574 PMAQI
30th Jul 2026605 PMAQI
30th Jul 2026436 PMAQI
30th Jul 2026587 PMAQI
30th Jul 2026448 PMAQI
30th Jul 2026349 PMAQI
30th Jul 20264110 PMAQI
30th Jul 20263011 PMAQI
31st Jul 20263212 AMAQI
31st Jul 2026261 AMAQI
31st Jul 2026282 AMAQI
31st Jul 2026303 AMAQI
31st Jul 2026304 AMAQI
23°C21/27°C
31st Jul 2026295 AMAQI
31st Jul 2026336 AMAQI
31st Jul 2026347 AMAQI
31st Jul 2026418 AMAQI
31st Jul 2026469 AMAQI
31st Jul 20264610 AMAQI
31st Jul 20264211 AMAQI
31st Jul 20264312 PMAQI
31st Jul 2026401 PMAQI
31st Jul 2026402 PMAQI
31st Jul 2026453 PMAQI
31st Jul 2026454 PMAQI
31st Jul 2026255 PMAQI
31st Jul 2026386 PMAQI
31st Jul 2026387 PMAQI
31st Jul 2026358 PMAQI
31st Jul 2026389 PMAQI
31st Jul 20264010 PMAQI
31st Jul 20263411 PMAQI
1st Aug 20263412 AMAQI
1st Aug 2026331 AMAQI
1st Aug 2026342 AMAQI
1st Aug 2026363 AMAQI
1st Aug 2026294 AMAQI
23°C21/28°C
1st Aug 2026345 AMAQI
1st Aug 2026276 AMAQI
1st Aug 2026277 AMAQI
1st Aug 2026368 AMAQI
1st Aug 2026299 AMAQI
1st Aug 20263310 AMAQI
1st Aug 20263011 AMAQI
1st Aug 20262812 PMAQI
1st Aug 2026291 PMAQI
1st Aug 2026292 PMAQI
1st Aug 2026363 PMAQI
1st Aug 2026374 PMAQI
1st Aug 2026415 PMAQI
1st Aug 2026426 PMAQI
1st Aug 2026307 PMAQI
1st Aug 2026448 PMAQI
1st Aug 2026449 PMAQI
1st Aug 20265110 PMAQI
1st Aug 20263711 PMAQI
2nd Aug 20264212 AMAQI
2nd Aug 2026361 AMAQI
2nd Aug 2026372 AMAQI
2nd Aug 2026323 AMAQI
2nd Aug 2026354 AMAQI
23°C21/27°C
2nd Aug 2026345 AMAQI
2nd Aug 2026506 AMAQI
2nd Aug 2026497 AMAQI
2nd Aug 2026448 AMAQI
2nd Aug 2026529 AMAQI
2nd Aug 20264010 AMAQI
2nd Aug 20262511 AMAQI
2nd Aug 20262912 PMAQI
2nd Aug 2026291 PMAQI
2nd Aug 2026292 PMAQI
2nd Aug 2026363 PMAQI
2nd Aug 2026324 PMAQI
2nd Aug 2026295 PMAQI
2nd Aug 2026346 PMAQI
2nd Aug 2026407 PMAQI
2nd Aug 2026388 PMAQI
2nd Aug 2026359 PMAQI
2nd Aug 20262310 PMAQI
2nd Aug 20263211 PMAQI
3rd Aug 20263212 AMAQI
3rd Aug 2026321 AMAQI
3rd Aug 2026322 AMAQI
3rd Aug 2026313 AMAQI
3rd Aug 2026444 AMAQI
24°C22/28°C
3rd Aug 2026405 AMAQI
3rd Aug 2026426 AMAQI
3rd Aug 2026447 AMAQI
3rd Aug 2026468 AMAQI
3rd Aug 2026479 AMAQI
3rd Aug 20265310 AMAQI
3rd Aug 20265311 AMAQI
3rd Aug 20265512 PMAQI
3rd Aug 2026401 PMAQI
3rd Aug 2026362 PMAQI
3rd Aug 2026463 PMAQI
3rd Aug 2026404 PMAQI
3rd Aug 2026365 PMAQI
3rd Aug 2026366 PMAQI
3rd Aug 2026367 PMAQI
3rd Aug 2026458 PMAQI
3rd Aug 2026399 PMAQI
3rd Aug 20263810 PMAQI
3rd Aug 20263211 PMAQI
4th Aug 20263612 AMAQI
4th Aug 2026361 AMAQI
4th Aug 2026352 AMAQI
4th Aug 2026313 AMAQI
4th Aug 2026484 AMAQI
24°C22/28°C
4th Aug 2026275 AMAQI
4th Aug 2026296 AMAQI
4th Aug 2026327 AMAQI
4th Aug 2026398 AMAQI
4th Aug 2026439 AMAQI
4th Aug 20264010 AMAQI
4th Aug 20265111 AMAQI
4th Aug 20264412 PMAQI
4th Aug 2026481 PMAQI
4th Aug 2026442 PMAQI
4th Aug 2026433 PMAQI
4th Aug 2026414 PMAQI
4th Aug 2026405 PMAQI
4th Aug 2026346 PMAQI
4th Aug 2026467 PMAQI
4th Aug 2026508 PMAQI
4th Aug 2026409 PMAQI
4th Aug 20263210 PMAQI
4th Aug 20263811 PMAQI
5th Aug 20263612 AMAQI
5th Aug 2026341 AMAQI
5th Aug 2026312 AMAQI
5th Aug 2026323 AMAQI
5th Aug 2026344 AMAQI
23°C22/26°C
5th Aug 2026405 AMAQI
5th Aug 2026496 AMAQI
5th Aug 2026497 AMAQI
5th Aug 2026508 AMAQI
5th Aug 2026459 AMAQI
5th Aug 20264610 AMAQI
5th Aug 20263211 AMAQI
5th Aug 20263812 PMAQI
5th Aug 2026421 PMAQI
5th Aug 2026382 PMAQI
5th Aug 2026353 PMAQI
5th Aug 2026384 PMAQI
5th Aug 2026345 PMAQI
5th Aug 2026386 PMAQI
5th Aug 2026467 PMAQI
5th Aug 2026408 PMAQI
5th Aug 2026539 PMAQI
5th Aug 20264310 PMAQI
5th Aug 20263611 PMAQI
6th Aug 20263412 AMAQI
6th Aug 2026381 AMAQI
6th Aug 2026292 AMAQI
6th Aug 2026293 AMAQI
6th Aug 2026364 AMAQI
23°C22/25°C
6th Aug 2026355 AMAQI
6th Aug 2026386 AMAQI
6th Aug 2026477 AMAQI
6th Aug 2026548 AMAQI
6th Aug 2026519 AMAQI
6th Aug 20264810 AMAQI
6th Aug 20264211 AMAQI
6th Aug 20263812 PMAQI
6th Aug 2026361 PMAQI
6th Aug 2026342 PMAQI
6th Aug 2026413 PMAQI
6th Aug 2026364 PMAQI
6th Aug 2026425 PMAQI
6th Aug 2026396 PMAQI
6th Aug 2026387 PMAQI
6th Aug 2026368 PMAQI
6th Aug 2026299 PMAQI
6th Aug 20265010 PMAQI
6th Aug 20265411 PMAQI
7th Aug 20263412 AMAQI
7th Aug 2026441 AMAQI
7th Aug 2026422 AMAQI
7th Aug 2026363 AMAQI
7th Aug 2026324 AMAQI
23°C21/28°C
7th Aug 2026385 AMAQI
7th Aug 2026376 AMAQI
7th Aug 2026407 AMAQI
7th Aug 2026508 AMAQI
7th Aug 2026479 AMAQI
7th Aug 20264410 AMAQI
7th Aug 20264411 AMAQI
7th Aug 20265112 PMAQI
7th Aug 2026501 PMAQI
7th Aug 2026452 PMAQI
7th Aug 2026393 PMAQI
7th Aug 2026334 PMAQI
7th Aug 2026405 PMAQI
7th Aug 2026406 PMAQI
7th Aug 2026497 PMAQI
7th Aug 2026548 PMAQI
7th Aug 2026509 PMAQI
7th Aug 20264010 PMAQI
7th Aug 20264911 PMAQI
8th Aug 20263212 AMAQI
8th Aug 2026381 AMAQI
8th Aug 2026322 AMAQI
8th Aug 2026303 AMAQI
8th Aug 2026494 AMAQI
23°C21/28°C
8th Aug 2026445 AMAQI
8th Aug 2026356 AMAQI
8th Aug 2026347 AMAQI
8th Aug 2026368 AMAQI
8th Aug 2026489 AMAQI
8th Aug 20264910 AMAQI
8th Aug 20264811 AMAQI
8th Aug 20264512 PMAQI
8th Aug 2026441 PMAQI
8th Aug 2026442 PMAQI
8th Aug 2026443 PMAQI
8th Aug 2026364 PMAQI
8th Aug 2026305 PMAQI
8th Aug 2026386 PMAQI
8th Aug 2026387 PMAQI
8th Aug 2026338 PMAQI
8th Aug 2026299 PMAQI
8th Aug 20264610 PMAQI
8th Aug 20265211 PMAQI
9th Aug 20265212 AMAQI
9th Aug 2026421 AMAQI
9th Aug 2026292 AMAQI
9th Aug 2026293 AMAQI
9th Aug 2026254 AMAQI
24°C21/27°C
9th Aug 2026285 AMAQI
5 AM9th Aug 2026356 AMAQI
9th Aug 2026427 AMAQI
9th Aug 2026408 AMAQI
9th Aug 2026369 AMAQI
9th Aug 20264110 AMAQI
9th Aug 20264611 AMAQI
9th Aug 20263812 PMAQI
12 PM9th Aug 2026421 PMAQI
9th Aug 2026432 PMAQI
9th Aug 2026423 PMAQI
9th Aug 2026404 PMAQI
9th Aug 2026465 PMAQI
9th Aug 2026426 PMAQI
9th Aug 2026467 PMAQI
7 PM9th Aug 2026498 PMAQI
9th Aug 2026449 PMAQI
9th Aug 20264010 PMAQI
9th Aug 20264211 PMAQI
12 AM
4 AM
24°C22/27°C
Day time
Avg. Highest Time
8 AM - 2 PM
44AQI
7 hours / Day
210 hours / Month
Avg. Lowest Time
5 AM - 7 AM
38AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 AM to 2 PM (Avg. 44), while the lowest AQI was between 5 AM to 7 AM (Avg. 38).
Night time
Avg. Highest Time
8 PM - 11 PM
41AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
3 AM
35AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 PM to 11 PM (Avg. 41), while the lowest AQI was between 3 AM to 3 AM (Avg. 35).
2026 Days Vs Air Quality
Mae Sai district, Chiang Rai, Thailand
2026
35%
77
36%
79
19%
42
8%
18
2%
5
Total number of days with different AQI categories in last 221 days in 2026 (144 days remaining)
Good
77 DaysModerate
79 DaysPoor
42 DaysUnhealthy
18 DaysSevere
5 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 35%
Health Risk Level:
High
In 2026, 35% of 221 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
Mae Sai district, Chiang Rai, 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
95AQI (US)
95AQI (US)
2nd January 2026
103AQI (US)
103AQI (US)
3rd January 2026
97AQI (US)
97AQI (US)
4th January 2026
83AQI (US)
83AQI (US)
5th January 2026
85AQI (US)
85AQI (US)
6th January 2026
91AQI (US)
91AQI (US)
7th January 2026
77AQI (US)
77AQI (US)
8th January 2026
76AQI (US)
76AQI (US)
9th January 2026
72AQI (US)
72AQI (US)
10th January 2026
81AQI (US)
81AQI (US)
11th January 2026
82AQI (US)
82AQI (US)
12th January 2026
92AQI (US)
92AQI (US)
13th January 2026
100AQI (US)
100AQI (US)
14th January 2026
107AQI (US)
107AQI (US)
15th January 2026
107AQI (US)
107AQI (US)
16th January 2026
97AQI (US)
97AQI (US)
17th January 2026
83AQI (US)
83AQI (US)
18th January 2026
80AQI (US)
80AQI (US)
19th January 2026
77AQI (US)
77AQI (US)
20th January 2026
74AQI (US)
74AQI (US)
21st January 2026
74AQI (US)
74AQI (US)
22nd January 2026
78AQI (US)
78AQI (US)
23rd January 2026
94AQI (US)
94AQI (US)
24th January 2026
75AQI (US)
75AQI (US)
25th January 2026
76AQI (US)
76AQI (US)
26th January 2026
80AQI (US)
80AQI (US)
27th January 2026
98AQI (US)
98AQI (US)
28th January 2026
102AQI (US)
102AQI (US)
29th January 2026
105AQI (US)
105AQI (US)
30th January 2026
96AQI (US)
96AQI (US)
31st January 2026
94AQI (US)
94AQI (US)
1st February 2026
115AQI (US)
115AQI (US)
2nd February 2026
108AQI (US)
108AQI (US)
3rd February 2026
99AQI (US)
99AQI (US)
4th February 2026
97AQI (US)
97AQI (US)
5th February 2026
106AQI (US)
106AQI (US)
6th February 2026
104AQI (US)
104AQI (US)
7th February 2026
99AQI (US)
99AQI (US)
8th February 2026
99AQI (US)
99AQI (US)
9th February 2026
98AQI (US)
98AQI (US)
10th February 2026
106AQI (US)
106AQI (US)
11th February 2026
93AQI (US)
93AQI (US)
12th February 2026
83AQI (US)
83AQI (US)
13th February 2026
81AQI (US)
81AQI (US)
14th February 2026
82AQI (US)
82AQI (US)
15th February 2026
90AQI (US)
90AQI (US)
16th February 2026
90AQI (US)
90AQI (US)
17th February 2026
98AQI (US)
98AQI (US)
18th February 2026
111AQI (US)
111AQI (US)
19th February 2026
120AQI (US)
120AQI (US)
20th February 2026
81AQI (US)
81AQI (US)
21st February 2026
115AQI (US)
115AQI (US)
22nd February 2026
109AQI (US)
109AQI (US)
23rd February 2026
104AQI (US)
104AQI (US)
24th February 2026
120AQI (US)
120AQI (US)
25th February 2026
67AQI (US)
67AQI (US)
26th February 2026
62AQI (US)
62AQI (US)
27th February 2026
78AQI (US)
78AQI (US)
28th February 2026
96AQI (US)
96AQI (US)
1st March 2026
105AQI (US)
105AQI (US)
2nd March 2026
116AQI (US)
116AQI (US)
3rd March 2026
132AQI (US)
132AQI (US)
4th March 2026
140AQI (US)
140AQI (US)
5th March 2026
155AQI (US)
155AQI (US)
6th March 2026
134AQI (US)
134AQI (US)
7th March 2026
123AQI (US)
123AQI (US)
8th March 2026
137AQI (US)
137AQI (US)
9th March 2026
148AQI (US)
148AQI (US)
10th March 2026
95AQI (US)
95AQI (US)
11th March 2026
87AQI (US)
87AQI (US)
12th March 2026
101AQI (US)
101AQI (US)
13th March 2026
71AQI (US)
71AQI (US)
14th March 2026
85AQI (US)
85AQI (US)
15th March 2026
75AQI (US)
75AQI (US)
16th March 2026
88AQI (US)
88AQI (US)
17th March 2026
90AQI (US)
90AQI (US)
18th March 2026
101AQI (US)
101AQI (US)
19th March 2026
132AQI (US)
132AQI (US)
20th March 2026
148AQI (US)
148AQI (US)
21st March 2026
149AQI (US)
149AQI (US)
22nd March 2026
107AQI (US)
107AQI (US)
23rd March 2026
104AQI (US)
104AQI (US)
24th March 2026
150AQI (US)
150AQI (US)
25th March 2026
148AQI (US)
148AQI (US)
26th March 2026
167AQI (US)
167AQI (US)
27th March 2026
176AQI (US)
176AQI (US)
28th March 2026
177AQI (US)
177AQI (US)
29th March 2026
173AQI (US)
173AQI (US)
30th March 2026
198AQI (US)
198AQI (US)
31st March 2026
186AQI (US)
186AQI (US)
1st April 2026
210AQI (US)
210AQI (US)
2nd April 2026
242AQI (US)
242AQI (US)
3rd April 2026
225AQI (US)
225AQI (US)
4th April 2026
212AQI (US)
212AQI (US)
5th April 2026
214AQI (US)
214AQI (US)
6th April 2026
140AQI (US)
140AQI (US)
7th April 2026
146AQI (US)
146AQI (US)
8th April 2026
146AQI (US)
146AQI (US)
9th April 2026
152AQI (US)
152AQI (US)
10th April 2026
158AQI (US)
158AQI (US)
11th April 2026
161AQI (US)
161AQI (US)
12th April 2026
146AQI (US)
146AQI (US)
13th April 2026
168AQI (US)
168AQI (US)
14th April 2026
177AQI (US)
177AQI (US)
15th April 2026
188AQI (US)
188AQI (US)
16th April 2026
176AQI (US)
176AQI (US)
17th April 2026
152AQI (US)
152AQI (US)
18th April 2026
165AQI (US)
165AQI (US)
19th April 2026
145AQI (US)
145AQI (US)
20th April 2026
134AQI (US)
134AQI (US)
21st April 2026
155AQI (US)
155AQI (US)
22nd April 2026
155AQI (US)
155AQI (US)
23rd April 2026
127AQI (US)
127AQI (US)
24th April 2026
122AQI (US)
122AQI (US)
25th April 2026
121AQI (US)
121AQI (US)
26th April 2026
84AQI (US)
84AQI (US)
27th April 2026
86AQI (US)
86AQI (US)
28th April 2026
71AQI (US)
71AQI (US)
29th April 2026
87AQI (US)
87AQI (US)
30th April 2026
91AQI (US)
91AQI (US)
1st May 2026
80AQI (US)
80AQI (US)
2nd May 2026
86AQI (US)
86AQI (US)
3rd May 2026
70AQI (US)
70AQI (US)
4th May 2026
78AQI (US)
78AQI (US)
5th May 2026
66AQI (US)
66AQI (US)
6th May 2026
79AQI (US)
79AQI (US)
7th May 2026
88AQI (US)
88AQI (US)
8th May 2026
37AQI (US)
37AQI (US)
9th May 2026
49AQI (US)
49AQI (US)
10th May 2026
29AQI (US)
29AQI (US)
11th May 2026
23AQI (US)
23AQI (US)
12th May 2026
20AQI (US)
20AQI (US)
13th May 2026
29AQI (US)
29AQI (US)
14th May 2026
46AQI (US)
46AQI (US)
15th May 2026
38AQI (US)
38AQI (US)
16th May 2026
94AQI (US)
94AQI (US)
17th May 2026
95AQI (US)
95AQI (US)
18th May 2026
77AQI (US)
77AQI (US)
19th May 2026
70AQI (US)
70AQI (US)
20th May 2026
81AQI (US)
81AQI (US)
21st May 2026
83AQI (US)
83AQI (US)
22nd May 2026
79AQI (US)
79AQI (US)
23rd May 2026
52AQI (US)
52AQI (US)
24th May 2026
71AQI (US)
71AQI (US)
25th May 2026
72AQI (US)
72AQI (US)
26th May 2026
52AQI (US)
52AQI (US)
27th May 2026
45AQI (US)
45AQI (US)
28th May 2026
66AQI (US)
66AQI (US)
29th May 2026
31AQI (US)
31AQI (US)
30th May 2026
21AQI (US)
21AQI (US)
31st May 2026
38AQI (US)
38AQI (US)
1st June 2026
46AQI (US)
46AQI (US)
2nd June 2026
58AQI (US)
58AQI (US)
3rd June 2026
42AQI (US)
42AQI (US)
4th June 2026
57AQI (US)
57AQI (US)
5th June 2026
36AQI (US)
36AQI (US)
6th June 2026
27AQI (US)
27AQI (US)
7th June 2026
24AQI (US)
24AQI (US)
8th June 2026
21AQI (US)
21AQI (US)
9th June 2026
29AQI (US)
29AQI (US)
10th June 2026
34AQI (US)
34AQI (US)
11th June 2026
23AQI (US)
23AQI (US)
12th June 2026
27AQI (US)
27AQI (US)
13th June 2026
20AQI (US)
20AQI (US)
14th June 2026
33AQI (US)
33AQI (US)
15th June 2026
31AQI (US)
31AQI (US)
16th June 2026
34AQI (US)
34AQI (US)
17th June 2026
27AQI (US)
27AQI (US)
18th June 2026
38AQI (US)
38AQI (US)
19th June 2026
32AQI (US)
32AQI (US)
20th June 2026
35AQI (US)
35AQI (US)
21st June 2026
17AQI (US)
17AQI (US)
22nd June 2026
20AQI (US)
20AQI (US)
23rd June 2026
35AQI (US)
35AQI (US)
24th June 2026
34AQI (US)
34AQI (US)
25th June 2026
35AQI (US)
35AQI (US)
26th June 2026
34AQI (US)
34AQI (US)
27th June 2026
41AQI (US)
41AQI (US)
28th June 2026
30AQI (US)
30AQI (US)
29th June 2026
36AQI (US)
36AQI (US)
30th June 2026
26AQI (US)
26AQI (US)
1st July 2026
32AQI (US)
32AQI (US)
2nd July 2026
30AQI (US)
30AQI (US)
3rd July 2026
18AQI (US)
18AQI (US)
4th July 2026
20AQI (US)
20AQI (US)
5th July 2026
19AQI (US)
19AQI (US)
6th July 2026
34AQI (US)
34AQI (US)
7th July 2026
42AQI (US)
42AQI (US)
8th July 2026
38AQI (US)
38AQI (US)
9th July 2026
27AQI (US)
27AQI (US)
10th July 2026
21AQI (US)
21AQI (US)
11th July 2026
40AQI (US)
40AQI (US)
12th July 2026
37AQI (US)
37AQI (US)
13th July 2026
45AQI (US)
45AQI (US)
14th July 2026
42AQI (US)
42AQI (US)
15th July 2026
38AQI (US)
38AQI (US)
16th July 2026
40AQI (US)
40AQI (US)
17th July 2026
46AQI (US)
46AQI (US)
18th July 2026
60AQI (US)
60AQI (US)
19th July 2026
63AQI (US)
63AQI (US)
20th July 2026
54AQI (US)
54AQI (US)
21st July 2026
36AQI (US)
36AQI (US)
22nd July 2026
35AQI (US)
35AQI (US)
23rd July 2026
34AQI (US)
34AQI (US)
24th July 2026
38AQI (US)
38AQI (US)
25th July 2026
33AQI (US)
33AQI (US)
26th July 2026
39AQI (US)
39AQI (US)
27th July 2026
39AQI (US)
39AQI (US)
28th July 2026
39AQI (US)
39AQI (US)
29th July 2026
37AQI (US)
37AQI (US)
30th July 2026
41AQI (US)
41AQI (US)
31st July 2026
37AQI (US)
37AQI (US)
1st August 2026
35AQI (US)
35AQI (US)
2nd August 2026
36AQI (US)
36AQI (US)
3rd August 2026
41AQI (US)
41AQI (US)
4th August 2026
39AQI (US)
39AQI (US)
5th August 2026
40AQI (US)
40AQI (US)
6th August 2026
40AQI (US)
40AQI (US)
7th August 2026
43AQI (US)
43AQI (US)
8th August 2026
40AQI (US)
40AQI (US)
9th August 2026
40AQI (US)
40AQI (US)
10th August 2026
11th August 2026
12th August 2026
13th August 2026
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
88AQI (US)
97AQI (US)
129AQI (US)
152AQI (US)
60AQI (US)
33AQI (US)
37AQI (US)
39AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202683AQI (US)
26
5
17
11
7
17
7
5
9
11
5
12
19
28
2
28
3
9
77
79
42
18
5
Highest AQI (US) recorded in
April152AQI (US)
Lowest AQI (US) recorded in
June33AQI (US)
202576AQI (US)
16
15
7
21
5
18
8
14
11
5
31
13
17
31
22
9
23
7
4
27
10
19
1
24
7
103
176
73
13
Highest AQI (US) recorded in
March127AQI (US)
Lowest AQI (US) recorded in
July43AQI (US)
202491AQI (US)
17
14
2
25
2
1
5
10
13
2
12
9
7
2
5
12
8
5
1
22
8
28
3
31
3
6
7
8
22
31
103
103
64
26
21
4
Highest AQI (US) recorded in
March203AQI (US)
Lowest AQI (US) recorded in
August23AQI (US)
2023139AQI (US)
11
20
2
7
19
2
3
16
3
7
1
3
20
4
19
12
2
52
46
35
4
10
Highest AQI (US) recorded in
April368AQI (US)
Lowest AQI (US) recorded in
November80AQI (US)
202290AQI (US)
3
5
21
4
1
10
19
6
34
23
Highest AQI (US) recorded in
December104AQI (US)
Lowest AQI (US) recorded in
November77AQI (US)
Most & Least Polluted Years Over the Last 5 Years
Most Polluted Year Recorded
2023(Avg.)
139AQI (US)Least Polluted Year Recorded
2025(Avg.)
76AQI (US)Mae Sai district's annual 2026 AQI (US) (83) shows an average percentage change of -11.9% (improved AQI (US)) compared to previous years: 2022 (90), 2023 (139), 2024 (91), 2025 (76).
