Mae Sai district, Mae Sai, 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+
October Air Quality Analysis
Mae Sai district, Mae Sai, Chiang Rai, Thailand
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
31st Oct 2022
99AQILowest AQI recorded on
31st Oct 2023
19AQISame Day Analysis (9th October ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 1st highest AQI at 54 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 9th Oct - 10th Oct 2025
Mae Sai district, Mae Sai, Chiang Rai, Thailand
AQI
Day
Night
.
6 AM9th Oct 2025
6 PM
5 AM10th Oct 2025
Day time
Avg. Highest Time
6AM9th Oct
55AQI
Avg. Lowest Time
3PM9th Oct
40AQI
Night time
Avg. Highest Time
1AM10th Oct
72AQI
Avg. Lowest Time
7PM9th Oct
46AQI
In the last 24 hours,
Mae Sai district's AQI reached its highest point of 72 at 1 AM during the Night, while the lowest point, 40, was recorded at 3 PM during the Day between 9th Oct and 10th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Mae Sai district, Mae Sai, Chiang Rai, Thailand
SepOct
10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th
Day
Night
10th Sep 2025546 AMAQI
10th Sep 2025407 AMAQI
10th Sep 2025478 AMAQI
10th Sep 2025359 AMAQI
10th Sep 20253810 AMAQI
10th Sep 20254411 AMAQI
10th Sep 20253612 PMAQI
10th Sep 2025401 PMAQI
10th Sep 2025412 PMAQI
10th Sep 2025293 PMAQI
10th Sep 2025334 PMAQI
10th Sep 2025355 PMAQI
10th Sep 2025486 PMAQI
10th Sep 2025467 PMAQI
10th Sep 2025508 PMAQI
10th Sep 2025489 PMAQI
10th Sep 20254610 PMAQI
10th Sep 20255011 PMAQI
11th Sep 20255112 AMAQI
11th Sep 2025521 AMAQI
11th Sep 2025522 AMAQI
11th Sep 2025523 AMAQI
11th Sep 2025524 AMAQI
11th Sep 2025525 AMAQI
24°C20/28°C
11th Sep 2025526 AMAQI
11th Sep 2025387 AMAQI
11th Sep 2025328 AMAQI
11th Sep 2025399 AMAQI
11th Sep 20253410 AMAQI
11th Sep 20253111 AMAQI
11th Sep 20253012 PMAQI
11th Sep 2025271 PMAQI
11th Sep 2025282 PMAQI
11th Sep 2025353 PMAQI
11th Sep 2025424 PMAQI
11th Sep 2025435 PMAQI
11th Sep 2025406 PMAQI
11th Sep 2025487 PMAQI
11th Sep 2025468 PMAQI
11th Sep 2025519 PMAQI
11th Sep 20255210 PMAQI
11th Sep 20255211 PMAQI
12th Sep 20255212 AMAQI
12th Sep 2025511 AMAQI
12th Sep 2025512 AMAQI
12th Sep 2025513 AMAQI
12th Sep 2025504 AMAQI
12th Sep 2025515 AMAQI
23°C20/27°C
12th Sep 2025526 AMAQI
12th Sep 2025497 AMAQI
12th Sep 2025308 AMAQI
12th Sep 2025449 AMAQI
12th Sep 20253910 AMAQI
12th Sep 20253411 AMAQI
12th Sep 20254312 PMAQI
12th Sep 2025371 PMAQI
12th Sep 2025442 PMAQI
12th Sep 2025373 PMAQI
12th Sep 2025324 PMAQI
12th Sep 2025465 PMAQI
12th Sep 2025526 PMAQI
12th Sep 2025547 PMAQI
12th Sep 2025568 PMAQI
12th Sep 2025539 PMAQI
12th Sep 20255910 PMAQI
12th Sep 20256111 PMAQI
13th Sep 20255612 AMAQI
13th Sep 2025531 AMAQI
13th Sep 2025522 AMAQI
13th Sep 2025523 AMAQI
13th Sep 2025524 AMAQI
13th Sep 2025525 AMAQI
24°C22/30°C
13th Sep 2025516 AMAQI
13th Sep 2025367 AMAQI
13th Sep 2025368 AMAQI
13th Sep 2025549 AMAQI
13th Sep 20254710 AMAQI
13th Sep 20254011 AMAQI
13th Sep 20253912 PMAQI
13th Sep 2025351 PMAQI
13th Sep 2025342 PMAQI
13th Sep 2025333 PMAQI
13th Sep 2025394 PMAQI
13th Sep 2025445 PMAQI
13th Sep 2025466 PMAQI
13th Sep 2025507 PMAQI
13th Sep 2025528 PMAQI
13th Sep 2025569 PMAQI
13th Sep 20255110 PMAQI
13th Sep 20255511 PMAQI
14th Sep 20255412 AMAQI
14th Sep 2025541 AMAQI
14th Sep 2025532 AMAQI
14th Sep 2025533 AMAQI
14th Sep 2025534 AMAQI
14th Sep 2025535 AMAQI
24°C22/31°C
14th Sep 2025526 AMAQI
14th Sep 2025377 AMAQI
14th Sep 2025328 AMAQI
14th Sep 2025289 AMAQI
14th Sep 20253510 AMAQI
14th Sep 20252911 AMAQI
14th Sep 20253612 PMAQI
14th Sep 2025291 PMAQI
14th Sep 2025312 PMAQI
14th Sep 2025343 PMAQI
14th Sep 2025304 PMAQI
14th Sep 2025325 PMAQI
14th Sep 2025376 PMAQI
14th Sep 2025487 PMAQI
14th Sep 2025528 PMAQI
14th Sep 2025509 PMAQI
14th Sep 20255010 PMAQI
14th Sep 20255611 PMAQI
15th Sep 20255412 AMAQI
15th Sep 2025551 AMAQI
15th Sep 2025532 AMAQI
15th Sep 2025533 AMAQI
15th Sep 2025534 AMAQI
15th Sep 2025535 AMAQI
23°C19/30°C
15th Sep 2025526 AMAQI
15th Sep 2025497 AMAQI
15th Sep 2025478 AMAQI
15th Sep 2025469 AMAQI
15th Sep 20254210 AMAQI
15th Sep 20253811 AMAQI
15th Sep 20253012 PMAQI
15th Sep 2025531 PMAQI
15th Sep 2025342 PMAQI
15th Sep 2025303 PMAQI
15th Sep 2025464 PMAQI
15th Sep 2025425 PMAQI
15th Sep 2025426 PMAQI
15th Sep 2025547 PMAQI
15th Sep 2025548 PMAQI
15th Sep 2025549 PMAQI
15th Sep 20255610 PMAQI
15th Sep 20255111 PMAQI
16th Sep 20255212 AMAQI
16th Sep 2025511 AMAQI
16th Sep 2025532 AMAQI
16th Sep 2025533 AMAQI
16th Sep 2025544 AMAQI
16th Sep 2025545 AMAQI
24°C19/31°C
16th Sep 2025546 AMAQI
16th Sep 2025587 AMAQI
16th Sep 2025408 AMAQI
16th Sep 2025369 AMAQI
16th Sep 20253610 AMAQI
16th Sep 20253511 AMAQI
16th Sep 20253012 PMAQI
16th Sep 2025261 PMAQI
16th Sep 2025292 PMAQI
16th Sep 2025303 PMAQI
16th Sep 2025304 PMAQI
16th Sep 2025285 PMAQI
16th Sep 2025386 PMAQI
16th Sep 2025437 PMAQI
16th Sep 2025448 PMAQI
16th Sep 2025459 PMAQI
16th Sep 20255010 PMAQI
16th Sep 20254511 PMAQI
17th Sep 20255212 AMAQI
17th Sep 2025521 AMAQI
17th Sep 2025532 AMAQI
17th Sep 2025523 AMAQI
17th Sep 2025524 AMAQI
17th Sep 2025525 AMAQI
25°C20/30°C
17th Sep 2025526 AMAQI
17th Sep 2025517 AMAQI
17th Sep 2025328 AMAQI
17th Sep 2025469 AMAQI
17th Sep 20254410 AMAQI
17th Sep 20255111 AMAQI
17th Sep 20253812 PMAQI
17th Sep 2025381 PMAQI
17th Sep 2025322 PMAQI
17th Sep 2025363 PMAQI
17th Sep 2025404 PMAQI
17th Sep 2025525 PMAQI
17th Sep 2025476 PMAQI
17th Sep 2025517 PMAQI
17th Sep 2025508 PMAQI
17th Sep 2025559 PMAQI
17th Sep 20255610 PMAQI
17th Sep 20255711 PMAQI
18th Sep 20255412 AMAQI
18th Sep 2025521 AMAQI
18th Sep 2025512 AMAQI
18th Sep 2025513 AMAQI
18th Sep 2025514 AMAQI
18th Sep 2025525 AMAQI
25°C21/32°C
18th Sep 2025526 AMAQI
18th Sep 2025347 AMAQI
18th Sep 2025338 AMAQI
18th Sep 2025349 AMAQI
18th Sep 20253910 AMAQI
18th Sep 20253611 AMAQI
18th Sep 20253812 PMAQI
18th Sep 2025431 PMAQI
18th Sep 2025382 PMAQI
18th Sep 2025323 PMAQI
18th Sep 2025334 PMAQI
18th Sep 2025365 PMAQI
18th Sep 2025396 PMAQI
18th Sep 2025547 PMAQI
18th Sep 2025588 PMAQI
18th Sep 2025589 PMAQI
18th Sep 20255410 PMAQI
18th Sep 20255211 PMAQI
19th Sep 20255012 AMAQI
19th Sep 2025521 AMAQI
19th Sep 2025522 AMAQI
19th Sep 2025523 AMAQI
19th Sep 2025524 AMAQI
19th Sep 2025525 AMAQI
25°C19/32°C
19th Sep 2025516 AMAQI
19th Sep 2025257 AMAQI
19th Sep 2025158 AMAQI
19th Sep 2025199 AMAQI
19th Sep 20251310 AMAQI
19th Sep 20252411 AMAQI
19th Sep 20253112 PMAQI
19th Sep 2025301 PMAQI
19th Sep 2025262 PMAQI
19th Sep 2025243 PMAQI
19th Sep 2025224 PMAQI
19th Sep 2025225 PMAQI
19th Sep 2025256 PMAQI
19th Sep 2025367 PMAQI
19th Sep 2025388 PMAQI
19th Sep 2025469 PMAQI
19th Sep 20255110 PMAQI
19th Sep 20254811 PMAQI
20th Sep 20255412 AMAQI
20th Sep 2025501 AMAQI
20th Sep 2025502 AMAQI
20th Sep 2025483 AMAQI
20th Sep 2025504 AMAQI
20th Sep 2025495 AMAQI
24°C19/32°C
20th Sep 2025496 AMAQI
20th Sep 2025307 AMAQI
20th Sep 2025188 AMAQI
20th Sep 2025189 AMAQI
20th Sep 20251610 AMAQI
20th Sep 20252311 AMAQI
20th Sep 20252412 PMAQI
20th Sep 2025261 PMAQI
20th Sep 2025242 PMAQI
20th Sep 2025263 PMAQI
20th Sep 2025234 PMAQI
20th Sep 2025215 PMAQI
20th Sep 2025226 PMAQI
20th Sep 2025357 PMAQI
20th Sep 2025368 PMAQI
20th Sep 2025379 PMAQI
20th Sep 20253610 PMAQI
20th Sep 20253611 PMAQI
21st Sep 20254012 AMAQI
21st Sep 2025471 AMAQI
21st Sep 2025442 AMAQI
21st Sep 2025453 AMAQI
21st Sep 2025484 AMAQI
21st Sep 2025475 AMAQI
24°C19/30°C
21st Sep 2025486 AMAQI
21st Sep 2025287 AMAQI
21st Sep 2025268 AMAQI
21st Sep 2025289 AMAQI
21st Sep 20252210 AMAQI
21st Sep 20251811 AMAQI
21st Sep 20251612 PMAQI
21st Sep 2025191 PMAQI
21st Sep 2025182 PMAQI
21st Sep 2025183 PMAQI
21st Sep 2025184 PMAQI
21st Sep 2025185 PMAQI
21st Sep 2025186 PMAQI
21st Sep 2025307 PMAQI
21st Sep 2025348 PMAQI
21st Sep 2025419 PMAQI
21st Sep 20254310 PMAQI
21st Sep 20253811 PMAQI
22nd Sep 20253812 AMAQI
22nd Sep 2025411 AMAQI
22nd Sep 2025432 AMAQI
22nd Sep 2025393 AMAQI
22nd Sep 2025404 AMAQI
22nd Sep 2025405 AMAQI
25°C20/30°C
22nd Sep 2025406 AMAQI
22nd Sep 2025227 AMAQI
22nd Sep 2025198 AMAQI
22nd Sep 2025199 AMAQI
22nd Sep 20251510 AMAQI
22nd Sep 20252011 AMAQI
22nd Sep 20251812 PMAQI
22nd Sep 2025181 PMAQI
22nd Sep 2025192 PMAQI
22nd Sep 2025203 PMAQI
22nd Sep 2025224 PMAQI
22nd Sep 2025225 PMAQI
22nd Sep 2025216 PMAQI
22nd Sep 2025267 PMAQI
22nd Sep 2025268 PMAQI
22nd Sep 2025279 PMAQI
22nd Sep 20252810 PMAQI
22nd Sep 20252811 PMAQI
23rd Sep 20253412 AMAQI
23rd Sep 2025411 AMAQI
23rd Sep 2025392 AMAQI
23rd Sep 2025373 AMAQI
23rd Sep 2025374 AMAQI
23rd Sep 2025375 AMAQI
25°C22/30°C
23rd Sep 2025376 AMAQI
23rd Sep 2025207 AMAQI
23rd Sep 2025188 AMAQI
23rd Sep 2025149 AMAQI
23rd Sep 20251410 AMAQI
23rd Sep 20251911 AMAQI
23rd Sep 20251812 PMAQI
23rd Sep 2025171 PMAQI
23rd Sep 2025182 PMAQI
23rd Sep 2025183 PMAQI
23rd Sep 2025174 PMAQI
23rd Sep 2025255 PMAQI
23rd Sep 2025206 PMAQI
23rd Sep 2025247 PMAQI
23rd Sep 2025278 PMAQI
23rd Sep 2025289 PMAQI
23rd Sep 20252610 PMAQI
23rd Sep 20252711 PMAQI
24th Sep 20252912 AMAQI
24th Sep 2025411 AMAQI
24th Sep 2025402 AMAQI
24th Sep 2025383 AMAQI
24th Sep 2025374 AMAQI
24th Sep 2025395 AMAQI
24°C20/31°C
24th Sep 2025386 AMAQI
24th Sep 2025217 AMAQI
24th Sep 2025158 AMAQI
24th Sep 2025279 AMAQI
24th Sep 20251210 AMAQI
24th Sep 20251611 AMAQI
24th Sep 20251612 PMAQI
24th Sep 2025161 PMAQI
24th Sep 2025162 PMAQI
24th Sep 2025153 PMAQI
24th Sep 2025164 PMAQI
24th Sep 2025175 PMAQI
24th Sep 2025196 PMAQI
24th Sep 2025277 PMAQI
24th Sep 2025238 PMAQI
24th Sep 2025259 PMAQI
24th Sep 20252510 PMAQI
24th Sep 20252611 PMAQI
25th Sep 20253012 AMAQI
25th Sep 2025401 AMAQI
25th Sep 2025382 AMAQI
25th Sep 2025343 AMAQI
25th Sep 2025364 AMAQI
25th Sep 2025325 AMAQI
23°C19/28°C
25th Sep 2025366 AMAQI
25th Sep 2025247 AMAQI
25th Sep 2025208 AMAQI
25th Sep 2025219 AMAQI
25th Sep 20252010 AMAQI
25th Sep 20252111 AMAQI
25th Sep 20252012 PMAQI
25th Sep 2025181 PMAQI
25th Sep 2025182 PMAQI
25th Sep 2025183 PMAQI
25th Sep 2025174 PMAQI
25th Sep 2025195 PMAQI
25th Sep 2025186 PMAQI
25th Sep 2025167 PMAQI
25th Sep 2025198 PMAQI
25th Sep 2025319 PMAQI
25th Sep 20254810 PMAQI
25th Sep 20253511 PMAQI
26th Sep 20251912 AMAQI
26th Sep 2025151 AMAQI
26th Sep 2025142 AMAQI
26th Sep 2025143 AMAQI
26th Sep 2025104 AMAQI
26th Sep 202565 AMAQI
25°C20/32°C
26th Sep 202566 AMAQI
26th Sep 2025107 AMAQI
26th Sep 2025118 AMAQI
26th Sep 2025119 AMAQI
26th Sep 20251210 AMAQI
26th Sep 20251411 AMAQI
26th Sep 20251512 PMAQI
26th Sep 2025161 PMAQI
26th Sep 2025172 PMAQI
26th Sep 2025193 PMAQI
26th Sep 2025204 PMAQI
26th Sep 2025205 PMAQI
26th Sep 2025206 PMAQI
26th Sep 2025207 PMAQI
26th Sep 2025198 PMAQI
26th Sep 2025239 PMAQI
26th Sep 20251910 PMAQI
26th Sep 20251711 PMAQI
27th Sep 20251912 AMAQI
27th Sep 2025201 AMAQI
27th Sep 2025162 AMAQI
27th Sep 2025113 AMAQI
27th Sep 2025114 AMAQI
27th Sep 2025135 AMAQI
23°C19/26°C
27th Sep 2025136 AMAQI
27th Sep 2025137 AMAQI
27th Sep 2025128 AMAQI
27th Sep 2025169 AMAQI
27th Sep 20251810 AMAQI
27th Sep 20251811 AMAQI
27th Sep 20251412 PMAQI
27th Sep 2025111 PMAQI
27th Sep 2025112 PMAQI
27th Sep 2025113 PMAQI
27th Sep 2025114 PMAQI
27th Sep 2025115 PMAQI
27th Sep 2025116 PMAQI
27th Sep 2025117 PMAQI
27th Sep 2025148 PMAQI
27th Sep 2025129 PMAQI
27th Sep 20251510 PMAQI
27th Sep 20251311 PMAQI
28th Sep 20251112 AMAQI
28th Sep 2025111 AMAQI
28th Sep 2025112 AMAQI
28th Sep 2025113 AMAQI
28th Sep 2025114 AMAQI
28th Sep 2025115 AMAQI
23°C19/27°C
28th Sep 2025116 AMAQI
28th Sep 2025117 AMAQI
28th Sep 2025118 AMAQI
28th Sep 2025119 AMAQI
28th Sep 20251210 AMAQI
28th Sep 20251211 AMAQI
28th Sep 20251112 PMAQI
28th Sep 2025111 PMAQI
28th Sep 2025112 PMAQI
28th Sep 2025153 PMAQI
28th Sep 2025204 PMAQI
28th Sep 2025255 PMAQI
28th Sep 2025246 PMAQI
28th Sep 2025287 PMAQI
28th Sep 2025308 PMAQI
28th Sep 2025339 PMAQI
28th Sep 20253110 PMAQI
28th Sep 20252111 PMAQI
29th Sep 20251412 AMAQI
29th Sep 2025111 AMAQI
29th Sep 2025192 AMAQI
29th Sep 2025273 AMAQI
29th Sep 2025314 AMAQI
29th Sep 2025305 AMAQI
24°C19/32°C
29th Sep 2025316 AMAQI
29th Sep 2025357 AMAQI
29th Sep 2025408 AMAQI
29th Sep 2025409 AMAQI
29th Sep 20253010 AMAQI
29th Sep 20251511 AMAQI
29th Sep 2025612 PMAQI
29th Sep 202561 PMAQI
29th Sep 2025102 PMAQI
29th Sep 2025163 PMAQI
29th Sep 2025144 PMAQI
29th Sep 202595 PMAQI
29th Sep 2025206 PMAQI
29th Sep 2025287 PMAQI
29th Sep 2025218 PMAQI
29th Sep 2025329 PMAQI
29th Sep 20255610 PMAQI
29th Sep 20256311 PMAQI
30th Sep 20255612 AMAQI
30th Sep 2025361 AMAQI
30th Sep 2025292 AMAQI
30th Sep 2025333 AMAQI
30th Sep 2025224 AMAQI
30th Sep 2025175 AMAQI
24°C19/32°C
30th Sep 2025176 AMAQI
30th Sep 2025157 AMAQI
30th Sep 2025178 AMAQI
30th Sep 2025259 AMAQI
30th Sep 20251910 AMAQI
30th Sep 20251011 AMAQI
30th Sep 20253412 PMAQI
30th Sep 2025341 PMAQI
30th Sep 2025362 PMAQI
30th Sep 2025353 PMAQI
30th Sep 2025264 PMAQI
30th Sep 2025285 PMAQI
30th Sep 2025246 PMAQI
30th Sep 2025227 PMAQI
30th Sep 2025278 PMAQI
30th Sep 2025489 PMAQI
30th Sep 20255410 PMAQI
30th Sep 20253611 PMAQI
1st Oct 20252412 AMAQI
1st Oct 2025371 AMAQI
1st Oct 2025412 AMAQI
1st Oct 2025263 AMAQI
1st Oct 2025184 AMAQI
1st Oct 2025285 AMAQI
21°C20/23°C
1st Oct 2025386 AMAQI
1st Oct 2025197 AMAQI
1st Oct 202588 AMAQI
1st Oct 2025239 AMAQI
1st Oct 20252710 AMAQI
1st Oct 20253211 AMAQI
1st Oct 20252712 PMAQI
1st Oct 2025251 PMAQI
1st Oct 2025292 PMAQI
1st Oct 2025393 PMAQI
1st Oct 2025304 PMAQI
1st Oct 2025245 PMAQI
1st Oct 2025196 PMAQI
1st Oct 2025307 PMAQI
1st Oct 2025378 PMAQI
1st Oct 2025509 PMAQI
1st Oct 20253010 PMAQI
1st Oct 20254211 PMAQI
2nd Oct 20254812 AMAQI
2nd Oct 2025501 AMAQI
2nd Oct 2025542 AMAQI
2nd Oct 2025403 AMAQI
2nd Oct 2025394 AMAQI
2nd Oct 2025415 AMAQI
21°C20/24°C
2nd Oct 2025396 AMAQI
2nd Oct 2025387 AMAQI
2nd Oct 2025388 AMAQI
2nd Oct 2025409 AMAQI
2nd Oct 20254110 AMAQI
2nd Oct 20254311 AMAQI
2nd Oct 20255412 PMAQI
2nd Oct 2025561 PMAQI
2nd Oct 2025502 PMAQI
2nd Oct 2025403 PMAQI
2nd Oct 2025394 PMAQI
2nd Oct 2025415 PMAQI
2nd Oct 2025506 PMAQI
2nd Oct 2025527 PMAQI
2nd Oct 2025338 PMAQI
2nd Oct 2025349 PMAQI
2nd Oct 20253510 PMAQI
2nd Oct 20254411 PMAQI
3rd Oct 20254712 AMAQI
3rd Oct 2025301 AMAQI
3rd Oct 2025302 AMAQI
3rd Oct 2025353 AMAQI
3rd Oct 2025404 AMAQI
3rd Oct 2025385 AMAQI
22°C19/28°C
3rd Oct 2025356 AMAQI
3rd Oct 2025447 AMAQI
3rd Oct 2025468 AMAQI
3rd Oct 2025419 AMAQI
3rd Oct 20252810 AMAQI
3rd Oct 20254811 AMAQI
3rd Oct 20254412 PMAQI
3rd Oct 2025381 PMAQI
3rd Oct 2025402 PMAQI
3rd Oct 2025493 PMAQI
3rd Oct 2025544 PMAQI
3rd Oct 2025385 PMAQI
3rd Oct 2025406 PMAQI
3rd Oct 2025567 PMAQI
3rd Oct 2025598 PMAQI
3rd Oct 2025579 PMAQI
3rd Oct 20255210 PMAQI
3rd Oct 20255311 PMAQI
4th Oct 20254912 AMAQI
4th Oct 2025501 AMAQI
4th Oct 2025532 AMAQI
4th Oct 2025523 AMAQI
4th Oct 2025534 AMAQI
4th Oct 2025535 AMAQI
24°C18/31°C
4th Oct 2025486 AMAQI
4th Oct 2025387 AMAQI
4th Oct 2025418 AMAQI
4th Oct 2025539 AMAQI
4th Oct 20255110 AMAQI
4th Oct 20255511 AMAQI
4th Oct 20255612 PMAQI
4th Oct 2025521 PMAQI
4th Oct 2025492 PMAQI
4th Oct 2025533 PMAQI
4th Oct 2025514 PMAQI
4th Oct 2025525 PMAQI
4th Oct 2025526 PMAQI
4th Oct 2025507 PMAQI
4th Oct 2025478 PMAQI
4th Oct 2025559 PMAQI
4th Oct 20255610 PMAQI
4th Oct 20255611 PMAQI
5th Oct 20255512 AMAQI
5th Oct 2025541 AMAQI
5th Oct 2025592 AMAQI
5th Oct 2025553 AMAQI
5th Oct 2025594 AMAQI
5th Oct 2025595 AMAQI
25°C20/31°C
5th Oct 2025576 AMAQI
5th Oct 2025527 AMAQI
5th Oct 2025538 AMAQI
5th Oct 2025569 AMAQI
5th Oct 20256110 AMAQI
5th Oct 20256611 AMAQI
5th Oct 20255412 PMAQI
5th Oct 2025451 PMAQI
5th Oct 2025562 PMAQI
5th Oct 2025603 PMAQI
5th Oct 2025584 PMAQI
5th Oct 2025535 PMAQI
5th Oct 2025546 PMAQI
5th Oct 2025377 PMAQI
5th Oct 2025478 PMAQI
5th Oct 2025619 PMAQI
5th Oct 20256310 PMAQI
5th Oct 20256811 PMAQI
6th Oct 20256612 AMAQI
6th Oct 2025541 AMAQI
6th Oct 2025522 AMAQI
6th Oct 2025653 AMAQI
6th Oct 2025674 AMAQI
6th Oct 2025685 AMAQI
25°C21/31°C
6th Oct 2025566 AMAQI
6th Oct 2025397 AMAQI
6th Oct 2025408 AMAQI
6th Oct 2025389 AMAQI
6th Oct 20254310 AMAQI
6th Oct 20255511 AMAQI
6th Oct 20256312 PMAQI
6th Oct 2025611 PMAQI
6th Oct 2025572 PMAQI
6th Oct 2025563 PMAQI
6th Oct 2025544 PMAQI
6th Oct 2025505 PMAQI
6th Oct 2025466 PMAQI
6th Oct 2025647 PMAQI
6th Oct 2025698 PMAQI
6th Oct 2025649 PMAQI
6th Oct 20255810 PMAQI
6th Oct 20256811 PMAQI
7th Oct 20256712 AMAQI
25°C21/32°C
7th Oct 2025646 PMAQI
7th Oct 2025567 PMAQI
7th Oct 2025548 PMAQI
7th Oct 2025459 PMAQI
7th Oct 20255610 PMAQI
7th Oct 20256411 PMAQI
8th Oct 20257612 AMAQI
8th Oct 2025931 AMAQI
8th Oct 20251162 AMAQI
8th Oct 2025723 AMAQI
8th Oct 2025724 AMAQI
8th Oct 2025765 AMAQI
24°C20/29°C
8th Oct 2025686 AMAQI
8th Oct 2025447 AMAQI
8th Oct 2025428 AMAQI
8th Oct 2025479 AMAQI
8th Oct 20255510 AMAQI
8th Oct 20255411 AMAQI
8th Oct 20253912 PMAQI
8th Oct 2025451 PMAQI
8th Oct 2025612 PMAQI
8th Oct 2025663 PMAQI
8th Oct 2025594 PMAQI
8th Oct 2025425 PMAQI
8th Oct 2025506 PMAQI
8th Oct 2025497 PMAQI
8th Oct 2025608 PMAQI
8th Oct 2025519 PMAQI
8th Oct 20254610 PMAQI
8th Oct 20255811 PMAQI
9th Oct 20255812 AMAQI
9th Oct 2025571 AMAQI
9th Oct 2025502 AMAQI
9th Oct 2025613 AMAQI
9th Oct 2025614 AMAQI
9th Oct 2025585 AMAQI
22°C20/29°C
9th Oct 2025556 AMAQI
9th Oct 2025547 AMAQI
9th Oct 2025518 AMAQI
9th Oct 2025469 AMAQI
9th Oct 20254610 AMAQI
9th Oct 20254211 AMAQI
9th Oct 20254712 PMAQI
9th Oct 2025481 PMAQI
9th Oct 2025452 PMAQI
9th Oct 2025403 PMAQI
9th Oct 2025484 PMAQI
9th Oct 2025465 PMAQI
9th Oct 2025446 PMAQI
9th Oct 2025467 PMAQI
9th Oct 2025518 PMAQI
9th Oct 2025559 PMAQI
9th Oct 20255810 PMAQI
9th Oct 20255311 PMAQI
10th Oct 20256012 AMAQI
10th Oct 2025721 AMAQI
10th Oct 2025662 AMAQI
10th Oct 2025613 AMAQI
10th Oct 2025544 AMAQI
10th Oct 2025535 AMAQI
23°C18/30°C
10th Oct 2025546 AMAQI
6 AM10th Oct 2025537 AMAQI
10th Oct 2025548 AMAQI
10th Oct 2025549 AMAQI
10th Oct 20255410 AMAQI
10th Oct 20254211 AMAQI
10th Oct 20255012 PMAQI
12 PM10th Oct 2025591 PMAQI
10th Oct 2025552 PMAQI
10th Oct 2025563 PMAQI
10th Oct 2025574 PMAQI
10th Oct 2025565 PMAQI
6 PM
12 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
6 AM
43AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
8 AM
31AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 6 AM (Avg. 43), while the lowest AQI was between 8 AM to 8 AM (Avg. 31).
Night time
Avg. Highest Time
12 AM - 2 AM
46AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
7 PM - 8 PM
41AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 2 AM (Avg. 46), while the lowest AQI was between 7 PM to 8 PM (Avg. 41).
2025 Days Vs Air Quality
Mae Sai district, Mae Sai, Chiang Rai, Thailand
2025
42%
118
30%
84
24%
67
5%
13
Total number of days with different AQI categories in last 283 days in 2025 (82 days remaining)
Good
118 DaysModerate
84 DaysPoor
67 DaysUnhealthy
13 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 42%
Health Risk Level:
Significant
In 2025, 42% of 283 days were within WHO’s safe air quality limits, and 58% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Mae Sai district, Mae Sai, Chiang Rai, Thailand
AQI levels in 2025
AQI
PM2.5
PM10
CO
SO2
NO2
O3
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
91AQI
91AQI
2nd January 2025
88AQI
88AQI
3rd January 2025
78AQI
78AQI
4th January 2025
84AQI
84AQI
5th January 2025
94AQI
94AQI
6th January 2025
112AQI
112AQI
7th January 2025
116AQI
116AQI
8th January 2025
112AQI
112AQI
9th January 2025
120AQI
120AQI
10th January 2025
114AQI
114AQI
11th January 2025
107AQI
107AQI
12th January 2025
94AQI
94AQI
13th January 2025
90AQI
90AQI
14th January 2025
99AQI
99AQI
15th January 2025
105AQI
105AQI
16th January 2025
100AQI
100AQI
17th January 2025
95AQI
95AQI
18th January 2025
99AQI
99AQI
19th January 2025
99AQI
99AQI
20th January 2025
109AQI
109AQI
21st January 2025
121AQI
121AQI
22nd January 2025
126AQI
126AQI
23rd January 2025
123AQI
123AQI
24th January 2025
111AQI
111AQI
25th January 2025
102AQI
102AQI
26th January 2025
101AQI
101AQI
27th January 2025
77AQI
77AQI
28th January 2025
82AQI
82AQI
29th January 2025
97AQI
97AQI
30th January 2025
116AQI
116AQI
31st January 2025
104AQI
104AQI
1st February 2025
101AQI
101AQI
2nd February 2025
109AQI
109AQI
3rd February 2025
110AQI
110AQI
4th February 2025
116AQI
116AQI
5th February 2025
119AQI
119AQI
6th February 2025
114AQI
114AQI
7th February 2025
109AQI
109AQI
8th February 2025
109AQI
109AQI
9th February 2025
91AQI
91AQI
10th February 2025
106AQI
106AQI
11th February 2025
113AQI
113AQI
12th February 2025
112AQI
112AQI
13th February 2025
105AQI
105AQI
14th February 2025
108AQI
108AQI
15th February 2025
101AQI
101AQI
16th February 2025
128AQI
128AQI
17th February 2025
125AQI
125AQI
18th February 2025
127AQI
127AQI
19th February 2025
120AQI
120AQI
20th February 2025
117AQI
117AQI
21st February 2025
111AQI
111AQI
22nd February 2025
107AQI
107AQI
23rd February 2025
101AQI
101AQI
24th February 2025
82AQI
82AQI
25th February 2025
71AQI
71AQI
26th February 2025
61AQI
61AQI
27th February 2025
67AQI
67AQI
28th February 2025
73AQI
73AQI
1st March 2025
78AQI
78AQI
2nd March 2025
84AQI
84AQI
3rd March 2025
98AQI
98AQI
4th March 2025
114AQI
114AQI
5th March 2025
133AQI
133AQI
6th March 2025
130AQI
130AQI
7th March 2025
141AQI
141AQI
8th March 2025
117AQI
117AQI
9th March 2025
111AQI
111AQI
10th March 2025
103AQI
103AQI
11th March 2025
113AQI
113AQI
12th March 2025
121AQI
121AQI
13th March 2025
108AQI
108AQI
14th March 2025
118AQI
118AQI
15th March 2025
134AQI
134AQI
16th March 2025
130AQI
130AQI
17th March 2025
143AQI
143AQI
18th March 2025
131AQI
131AQI
19th March 2025
83AQI
83AQI
20th March 2025
91AQI
91AQI
21st March 2025
104AQI
104AQI
22nd March 2025
131AQI
131AQI
23rd March 2025
140AQI
140AQI
24th March 2025
151AQI
151AQI
25th March 2025
155AQI
155AQI
26th March 2025
157AQI
157AQI
27th March 2025
159AQI
159AQI
28th March 2025
164AQI
164AQI
29th March 2025
163AQI
163AQI
30th March 2025
164AQI
164AQI
31st March 2025
159AQI
159AQI
1st April 2025
152AQI
152AQI
2nd April 2025
151AQI
151AQI
3rd April 2025
151AQI
151AQI
4th April 2025
154AQI
154AQI
5th April 2025
154AQI
154AQI
6th April 2025
148AQI
148AQI
7th April 2025
126AQI
126AQI
8th April 2025
125AQI
125AQI
9th April 2025
143AQI
143AQI
10th April 2025
141AQI
141AQI
11th April 2025
145AQI
145AQI
12th April 2025
117AQI
117AQI
13th April 2025
82AQI
82AQI
14th April 2025
67AQI
67AQI
15th April 2025
62AQI
62AQI
16th April 2025
59AQI
59AQI
17th April 2025
60AQI
60AQI
18th April 2025
59AQI
59AQI
19th April 2025
63AQI
63AQI
20th April 2025
66AQI
66AQI
21st April 2025
71AQI
71AQI
22nd April 2025
87AQI
87AQI
23rd April 2025
90AQI
90AQI
24th April 2025
103AQI
103AQI
25th April 2025
110AQI
110AQI
26th April 2025
114AQI
114AQI
27th April 2025
110AQI
110AQI
28th April 2025
83AQI
83AQI
29th April 2025
74AQI
74AQI
30th April 2025
66AQI
66AQI
1st May 2025
55AQI
55AQI
2nd May 2025
55AQI
55AQI
3rd May 2025
51AQI
51AQI
4th May 2025
55AQI
55AQI
5th May 2025
59AQI
59AQI
6th May 2025
62AQI
62AQI
7th May 2025
70AQI
70AQI
8th May 2025
75AQI
75AQI
9th May 2025
64AQI
64AQI
10th May 2025
70AQI
70AQI
11th May 2025
70AQI
70AQI
12th May 2025
49AQI
49AQI
13th May 2025
54AQI
54AQI
14th May 2025
57AQI
57AQI
15th May 2025
39AQI
39AQI
16th May 2025
40AQI
40AQI
17th May 2025
42AQI
42AQI
18th May 2025
34AQI
34AQI
19th May 2025
36AQI
36AQI
20th May 2025
42AQI
42AQI
21st May 2025
48AQI
48AQI
22nd May 2025
48AQI
48AQI
23rd May 2025
49AQI
49AQI
24th May 2025
42AQI
42AQI
25th May 2025
37AQI
37AQI
26th May 2025
34AQI
34AQI
27th May 2025
43AQI
43AQI
28th May 2025
36AQI
36AQI
29th May 2025
41AQI
41AQI
30th May 2025
40AQI
40AQI
31st May 2025
36AQI
36AQI
1st June 2025
40AQI
40AQI
2nd June 2025
43AQI
43AQI
3rd June 2025
47AQI
47AQI
4th June 2025
53AQI
53AQI
5th June 2025
54AQI
54AQI
6th June 2025
60AQI
60AQI
7th June 2025
61AQI
61AQI
8th June 2025
57AQI
57AQI
9th June 2025
57AQI
57AQI
10th June 2025
47AQI
47AQI
11th June 2025
43AQI
43AQI
12th June 2025
44AQI
44AQI
13th June 2025
45AQI
45AQI
14th June 2025
46AQI
46AQI
15th June 2025
42AQI
42AQI
16th June 2025
40AQI
40AQI
17th June 2025
42AQI
42AQI
18th June 2025
44AQI
44AQI
19th June 2025
45AQI
45AQI
20th June 2025
47AQI
47AQI
21st June 2025
51AQI
51AQI
22nd June 2025
55AQI
55AQI
23rd June 2025
48AQI
48AQI
24th June 2025
48AQI
48AQI
25th June 2025
49AQI
49AQI
26th June 2025
50AQI
50AQI
27th June 2025
46AQI
46AQI
28th June 2025
46AQI
46AQI
29th June 2025
47AQI
47AQI
30th June 2025
49AQI
49AQI
1st July 2025
50AQI
50AQI
2nd July 2025
46AQI
46AQI
3rd July 2025
52AQI
52AQI
4th July 2025
48AQI
48AQI
5th July 2025
47AQI
47AQI
6th July 2025
41AQI
41AQI
7th July 2025
41AQI
41AQI
8th July 2025
43AQI
43AQI
9th July 2025
50AQI
50AQI
10th July 2025
49AQI
49AQI
11th July 2025
47AQI
47AQI
12th July 2025
45AQI
45AQI
13th July 2025
45AQI
45AQI
14th July 2025
47AQI
47AQI
15th July 2025
44AQI
44AQI
16th July 2025
46AQI
46AQI
17th July 2025
48AQI
48AQI
18th July 2025
45AQI
45AQI
19th July 2025
49AQI
49AQI
20th July 2025
45AQI
45AQI
21st July 2025
49AQI
49AQI
22nd July 2025
48AQI
48AQI
23rd July 2025
42AQI
42AQI
24th July 2025
38AQI
38AQI
25th July 2025
39AQI
39AQI
26th July 2025
42AQI
42AQI
27th July 2025
40AQI
40AQI
28th July 2025
40AQI
40AQI
29th July 2025
47AQI
47AQI
30th July 2025
45AQI
45AQI
31st July 2025
52AQI
52AQI
1st August 2025
57AQI
57AQI
2nd August 2025
54AQI
54AQI
3rd August 2025
53AQI
53AQI
4th August 2025
56AQI
56AQI
5th August 2025
53AQI
53AQI
6th August 2025
47AQI
47AQI
7th August 2025
42AQI
42AQI
8th August 2025
31AQI
31AQI
9th August 2025
27AQI
27AQI
10th August 2025
26AQI
26AQI
11th August 2025
35AQI
35AQI
12th August 2025
47AQI
47AQI
13th August 2025
49AQI
49AQI
14th August 2025
52AQI
52AQI
15th August 2025
49AQI
49AQI
16th August 2025
48AQI
48AQI
17th August 2025
47AQI
47AQI
18th August 2025
50AQI
50AQI
19th August 2025
49AQI
49AQI
20th August 2025
51AQI
51AQI
21st August 2025
52AQI
52AQI
22nd August 2025
51AQI
51AQI
23rd August 2025
47AQI
47AQI
24th August 2025
47AQI
47AQI
25th August 2025
52AQI
52AQI
26th August 2025
48AQI
48AQI
27th August 2025
47AQI
47AQI
28th August 2025
46AQI
46AQI
29th August 2025
48AQI
48AQI
30th August 2025
48AQI
48AQI
31st August 2025
48AQI
48AQI
1st September 2025
50AQI
50AQI
2nd September 2025
49AQI
49AQI
3rd September 2025
52AQI
52AQI
4th September 2025
43AQI
43AQI
5th September 2025
50AQI
50AQI
6th September 2025
51AQI
51AQI
7th September 2025
53AQI
53AQI
8th September 2025
55AQI
55AQI
9th September 2025
52AQI
52AQI
10th September 2025
46AQI
46AQI
11th September 2025
44AQI
44AQI
12th September 2025
49AQI
49AQI
13th September 2025
50AQI
50AQI
14th September 2025
46AQI
46AQI
15th September 2025
50AQI
50AQI
16th September 2025
45AQI
45AQI
17th September 2025
49AQI
49AQI
18th September 2025
47AQI
47AQI
19th September 2025
39AQI
39AQI
20th September 2025
38AQI
38AQI
21st September 2025
33AQI
33AQI
22nd September 2025
29AQI
29AQI
23rd September 2025
27AQI
27AQI
24th September 2025
26AQI
26AQI
25th September 2025
26AQI
26AQI
26th September 2025
17AQI
17AQI
27th September 2025
14AQI
14AQI
28th September 2025
16AQI
16AQI
29th September 2025
25AQI
25AQI
30th September 2025
35AQI
35AQI
1st October 2025
29AQI
29AQI
2nd October 2025
45AQI
45AQI
3rd October 2025
45AQI
45AQI
4th October 2025
51AQI
51AQI
5th October 2025
56AQI
56AQI
6th October 2025
63AQI
63AQI
7th October 2025
58AQI
58AQI
8th October 2025
63AQI
63AQI
9th October 2025
54AQI
54AQI
10th October 2025
11th October 2025
12th October 2025
13th October 2025
14th October 2025
15th October 2025
16th October 2025
17th October 2025
18th October 2025
19th October 2025
20th October 2025
21st October 2025
22nd October 2025
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025
102AQI
104AQI
127AQI
104AQI
49AQI
48AQI
45AQI
47AQI
40AQI
52AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202573AQI
15
16
6
22
5
18
8
14
11
5
18
13
22
8
29
2
21
10
25
5
3
6
118
84
67
13
Highest AQI recorded in
March127AQI
Lowest AQI recorded in
September40AQI
202465AQI
12
17
1
7
2
1
18
4
11
11
7
2
29
1
31
31
3
4
9
7
23
31
116
89
49
8
Highest AQI recorded in
March167AQI
Lowest AQI recorded in
August21AQI
2023107AQI
1
7
23
1
9
18
6
15
3
7
1
9
6
10
4
4
18
9
15
15
25
6
11
2
10
12
1
20
8
10
21
67
92
85
39
13
11
Highest AQI recorded in
March210AQI
Lowest AQI recorded in
July35AQI
202295AQI
3
2
22
6
9
21
2
34
27
Highest AQI recorded in
December109AQI
Lowest AQI recorded in
November81AQI
Most & Least Polluted Years Over the Last 4 Years
Most Polluted Year Recorded
2023(Avg.)
107AQILeast Polluted Year Recorded
2024(Avg.)
65AQIMae Sai district's annual 2025 AQI (73) shows an average percentage change of -13.9% (improved AQI) compared to previous years: 2022 (95), 2023 (107), 2024 (65).
