Chiang Saen 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
Chiang Saen district, Mae Sai, Chiang Rai, Thailand
2022
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
30th Oct 2022
109AQILowest AQI recorded on
20th Oct 2024
18AQISame Day Analysis (6th October ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 1st highest AQI at 65 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 7th Oct - 8th Oct 2025
Chiang Saen district, Mae Sai, Chiang Rai, Thailand
AQI
Day
Night
.
6 AM7th Oct 2025
6 PM
5 AM8th Oct 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
1AM8th Oct
80AQI
Avg. Lowest Time
9PM7th Oct
53AQI
In the last 24 hours,
Chiang Saen district's AQI reached its highest point of 80 at 1 AM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 7th Oct and 8th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Chiang Saen district, Mae Sai, Chiang Rai, Thailand
SepOct
08th - 09th09th - 10th10th - 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
Day
Night
8th Sep 2025536 AMAQI
8th Sep 2025497 AMAQI
8th Sep 2025598 AMAQI
8th Sep 2025559 AMAQI
8th Sep 20255110 AMAQI
8th Sep 20255611 AMAQI
8th Sep 20255512 PMAQI
8th Sep 2025531 PMAQI
8th Sep 2025492 PMAQI
8th Sep 2025473 PMAQI
8th Sep 2025494 PMAQI
8th Sep 2025525 PMAQI
8th Sep 2025536 PMAQI
8th Sep 2025567 PMAQI
8th Sep 2025588 PMAQI
8th Sep 2025599 PMAQI
8th Sep 20255610 PMAQI
8th Sep 20255611 PMAQI
9th Sep 20255912 AMAQI
9th Sep 2025581 AMAQI
9th Sep 2025542 AMAQI
9th Sep 2025533 AMAQI
9th Sep 2025544 AMAQI
9th Sep 2025555 AMAQI
25°C21/32°C
9th Sep 2025546 AMAQI
9th Sep 2025487 AMAQI
9th Sep 2025308 AMAQI
9th Sep 2025549 AMAQI
9th Sep 20254610 AMAQI
9th Sep 20254211 AMAQI
9th Sep 20254912 PMAQI
9th Sep 2025471 PMAQI
9th Sep 2025342 PMAQI
9th Sep 2025283 PMAQI
9th Sep 2025424 PMAQI
9th Sep 2025335 PMAQI
9th Sep 2025506 PMAQI
9th Sep 2025547 PMAQI
9th Sep 2025548 PMAQI
9th Sep 2025529 PMAQI
9th Sep 20255310 PMAQI
9th Sep 20255211 PMAQI
10th Sep 20255312 AMAQI
10th Sep 2025541 AMAQI
10th Sep 2025542 AMAQI
10th Sep 2025543 AMAQI
10th Sep 2025544 AMAQI
10th Sep 2025545 AMAQI
25°C19/32°C
10th Sep 2025546 AMAQI
10th Sep 2025417 AMAQI
10th Sep 2025478 AMAQI
10th Sep 2025409 AMAQI
10th Sep 20254110 AMAQI
10th Sep 20254311 AMAQI
10th Sep 20254112 PMAQI
10th Sep 2025381 PMAQI
10th Sep 2025422 PMAQI
10th Sep 2025313 PMAQI
10th Sep 2025384 PMAQI
10th Sep 2025375 PMAQI
10th Sep 2025486 PMAQI
10th Sep 2025467 PMAQI
10th Sep 2025508 PMAQI
10th Sep 2025499 PMAQI
10th Sep 20254710 PMAQI
10th Sep 20255011 PMAQI
11th Sep 20255012 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 2025407 AMAQI
11th Sep 2025348 AMAQI
11th Sep 2025429 AMAQI
11th Sep 20253610 AMAQI
11th Sep 20253411 AMAQI
11th Sep 20253012 PMAQI
11th Sep 2025291 PMAQI
11th Sep 2025302 PMAQI
11th Sep 2025353 PMAQI
11th Sep 2025424 PMAQI
11th Sep 2025385 PMAQI
11th Sep 2025446 PMAQI
11th Sep 2025527 PMAQI
11th Sep 2025488 PMAQI
11th Sep 2025509 PMAQI
11th Sep 20255210 PMAQI
11th Sep 20255211 PMAQI
12th Sep 20255212 AMAQI
12th Sep 2025521 AMAQI
12th Sep 2025512 AMAQI
12th Sep 2025523 AMAQI
12th Sep 2025514 AMAQI
12th Sep 2025515 AMAQI
23°C20/26°C
12th Sep 2025526 AMAQI
12th Sep 2025507 AMAQI
12th Sep 2025328 AMAQI
12th Sep 2025449 AMAQI
12th Sep 20254010 AMAQI
12th Sep 20253611 AMAQI
12th Sep 20254712 PMAQI
12th Sep 2025401 PMAQI
12th Sep 2025502 PMAQI
12th Sep 2025373 PMAQI
12th Sep 2025344 PMAQI
12th Sep 2025525 PMAQI
12th Sep 2025526 PMAQI
12th Sep 2025537 PMAQI
12th Sep 2025588 PMAQI
12th Sep 2025549 PMAQI
12th Sep 20256010 PMAQI
12th Sep 20256211 PMAQI
13th Sep 20255812 AMAQI
13th Sep 2025541 AMAQI
13th Sep 2025522 AMAQI
13th Sep 2025523 AMAQI
13th Sep 2025524 AMAQI
13th Sep 2025525 AMAQI
24°C22/30°C
13th Sep 2025526 AMAQI
13th Sep 2025357 AMAQI
13th Sep 2025408 AMAQI
13th Sep 2025539 AMAQI
13th Sep 20254610 AMAQI
13th Sep 20254411 AMAQI
13th Sep 20253812 PMAQI
13th Sep 2025361 PMAQI
13th Sep 2025342 PMAQI
13th Sep 2025343 PMAQI
13th Sep 2025384 PMAQI
13th Sep 2025445 PMAQI
13th Sep 2025476 PMAQI
13th Sep 2025517 PMAQI
13th Sep 2025528 PMAQI
13th Sep 2025579 PMAQI
13th Sep 20255210 PMAQI
13th Sep 20255611 PMAQI
14th Sep 20255512 AMAQI
14th Sep 2025541 AMAQI
14th Sep 2025532 AMAQI
14th Sep 2025533 AMAQI
14th Sep 2025544 AMAQI
14th Sep 2025535 AMAQI
24°C22/31°C
14th Sep 2025526 AMAQI
14th Sep 2025427 AMAQI
14th Sep 2025368 AMAQI
14th Sep 2025319 AMAQI
14th Sep 20253610 AMAQI
14th Sep 20253011 AMAQI
14th Sep 20253712 PMAQI
14th Sep 2025321 PMAQI
14th Sep 2025332 PMAQI
14th Sep 2025303 PMAQI
14th Sep 2025314 PMAQI
14th Sep 2025345 PMAQI
14th Sep 2025386 PMAQI
14th Sep 2025487 PMAQI
14th Sep 2025518 PMAQI
14th Sep 2025509 PMAQI
14th Sep 20254910 PMAQI
14th Sep 20255511 PMAQI
15th Sep 20255512 AMAQI
15th Sep 2025561 AMAQI
15th Sep 2025532 AMAQI
15th Sep 2025533 AMAQI
15th Sep 2025544 AMAQI
15th Sep 2025535 AMAQI
23°C19/30°C
15th Sep 2025526 AMAQI
15th Sep 2025507 AMAQI
15th Sep 2025458 AMAQI
15th Sep 2025489 AMAQI
15th Sep 20254010 AMAQI
15th Sep 20253711 AMAQI
15th Sep 20253312 PMAQI
15th Sep 2025501 PMAQI
15th Sep 2025362 PMAQI
15th Sep 2025363 PMAQI
15th Sep 2025484 PMAQI
15th Sep 2025405 PMAQI
15th Sep 2025486 PMAQI
15th Sep 2025547 PMAQI
15th Sep 2025528 PMAQI
15th Sep 2025559 PMAQI
15th Sep 20255710 PMAQI
15th Sep 20255311 PMAQI
16th Sep 20255612 AMAQI
16th Sep 2025541 AMAQI
16th Sep 2025542 AMAQI
16th Sep 2025533 AMAQI
16th Sep 2025554 AMAQI
16th Sep 2025545 AMAQI
24°C19/31°C
16th Sep 2025546 AMAQI
16th Sep 2025587 AMAQI
16th Sep 2025438 AMAQI
16th Sep 2025299 AMAQI
16th Sep 20253310 AMAQI
16th Sep 20253411 AMAQI
16th Sep 20253112 PMAQI
16th Sep 2025201 PMAQI
16th Sep 2025272 PMAQI
16th Sep 2025323 PMAQI
16th Sep 2025284 PMAQI
16th Sep 2025275 PMAQI
16th Sep 2025376 PMAQI
16th Sep 2025457 PMAQI
16th Sep 2025468 PMAQI
16th Sep 2025469 PMAQI
16th Sep 20254810 PMAQI
16th Sep 20255211 PMAQI
17th Sep 20255212 AMAQI
17th Sep 2025541 AMAQI
17th Sep 2025542 AMAQI
17th Sep 2025523 AMAQI
17th Sep 2025524 AMAQI
17th Sep 2025525 AMAQI
25°C20/30°C
17th Sep 2025526 AMAQI
17th Sep 2025547 AMAQI
17th Sep 2025328 AMAQI
17th Sep 2025519 AMAQI
17th Sep 20254610 AMAQI
17th Sep 20255211 AMAQI
17th Sep 20253612 PMAQI
17th Sep 2025381 PMAQI
17th Sep 2025352 PMAQI
17th Sep 2025383 PMAQI
17th Sep 2025444 PMAQI
17th Sep 2025525 PMAQI
17th Sep 2025486 PMAQI
17th Sep 2025557 PMAQI
17th Sep 2025588 PMAQI
17th Sep 2025759 PMAQI
17th Sep 20256810 PMAQI
17th Sep 20255911 PMAQI
18th Sep 20255312 AMAQI
18th Sep 2025521 AMAQI
18th Sep 2025522 AMAQI
18th Sep 2025513 AMAQI
18th Sep 2025514 AMAQI
18th Sep 2025515 AMAQI
25°C21/32°C
18th Sep 2025516 AMAQI
18th Sep 2025487 AMAQI
18th Sep 2025488 AMAQI
18th Sep 2025509 AMAQI
18th Sep 20255110 AMAQI
18th Sep 20254911 AMAQI
18th Sep 20254512 PMAQI
18th Sep 2025501 PMAQI
18th Sep 2025462 PMAQI
18th Sep 2025373 PMAQI
18th Sep 2025364 PMAQI
18th Sep 2025425 PMAQI
18th Sep 2025506 PMAQI
18th Sep 2025557 PMAQI
18th Sep 2025598 PMAQI
18th Sep 2025589 PMAQI
18th Sep 20256010 PMAQI
18th Sep 20255011 PMAQI
19th Sep 20255312 AMAQI
19th Sep 2025521 AMAQI
19th Sep 2025512 AMAQI
19th Sep 2025523 AMAQI
19th Sep 2025524 AMAQI
19th Sep 2025525 AMAQI
25°C19/32°C
19th Sep 2025516 AMAQI
19th Sep 2025297 AMAQI
19th Sep 2025148 AMAQI
19th Sep 2025149 AMAQI
19th Sep 20251310 AMAQI
19th Sep 20251711 AMAQI
19th Sep 20251612 PMAQI
19th Sep 2025161 PMAQI
19th Sep 2025142 PMAQI
19th Sep 2025173 PMAQI
19th Sep 2025224 PMAQI
19th Sep 2025205 PMAQI
19th Sep 2025316 PMAQI
19th Sep 2025257 PMAQI
19th Sep 2025368 PMAQI
19th Sep 2025489 PMAQI
19th Sep 20256110 PMAQI
19th Sep 20255711 PMAQI
20th Sep 20255412 AMAQI
20th Sep 2025481 AMAQI
20th Sep 2025502 AMAQI
20th Sep 2025483 AMAQI
20th Sep 2025474 AMAQI
20th Sep 2025465 AMAQI
24°C19/32°C
20th Sep 2025486 AMAQI
20th Sep 2025287 AMAQI
20th Sep 2025178 AMAQI
20th Sep 2025179 AMAQI
20th Sep 20251410 AMAQI
20th Sep 20251911 AMAQI
20th Sep 20251512 PMAQI
20th Sep 2025151 PMAQI
20th Sep 2025162 PMAQI
20th Sep 2025163 PMAQI
20th Sep 2025164 PMAQI
20th Sep 2025155 PMAQI
20th Sep 2025196 PMAQI
20th Sep 2025207 PMAQI
20th Sep 2025208 PMAQI
20th Sep 2025309 PMAQI
20th Sep 20251810 PMAQI
20th Sep 20251711 PMAQI
21st Sep 20252112 AMAQI
21st Sep 2025311 AMAQI
21st Sep 2025292 AMAQI
21st Sep 2025373 AMAQI
21st Sep 2025444 AMAQI
21st Sep 2025445 AMAQI
24°C19/30°C
21st Sep 2025426 AMAQI
21st Sep 2025247 AMAQI
21st Sep 2025228 AMAQI
21st Sep 2025249 AMAQI
21st Sep 20252210 AMAQI
21st Sep 20251411 AMAQI
21st Sep 20251312 PMAQI
21st Sep 2025141 PMAQI
21st Sep 2025142 PMAQI
21st Sep 2025163 PMAQI
21st Sep 2025144 PMAQI
21st Sep 2025165 PMAQI
21st Sep 2025186 PMAQI
21st Sep 2025237 PMAQI
21st Sep 2025368 PMAQI
21st Sep 2025489 PMAQI
21st Sep 20255610 PMAQI
21st Sep 20255411 PMAQI
22nd Sep 20254412 AMAQI
22nd Sep 2025391 AMAQI
22nd Sep 2025382 AMAQI
22nd Sep 2025373 AMAQI
22nd Sep 2025374 AMAQI
22nd Sep 2025375 AMAQI
25°C20/30°C
22nd Sep 2025386 AMAQI
22nd Sep 2025247 AMAQI
22nd Sep 2025238 AMAQI
22nd Sep 2025209 AMAQI
22nd Sep 20251610 AMAQI
22nd Sep 20251611 AMAQI
22nd Sep 20251812 PMAQI
22nd Sep 2025191 PMAQI
22nd Sep 2025202 PMAQI
22nd Sep 2025193 PMAQI
22nd Sep 2025204 PMAQI
22nd Sep 2025215 PMAQI
22nd Sep 2025316 PMAQI
22nd Sep 2025227 PMAQI
22nd Sep 2025168 PMAQI
22nd Sep 2025189 PMAQI
22nd Sep 20251710 PMAQI
22nd Sep 20251811 PMAQI
23rd Sep 20252012 AMAQI
23rd Sep 2025281 AMAQI
23rd Sep 2025352 AMAQI
23rd Sep 2025343 AMAQI
23rd Sep 2025364 AMAQI
23rd Sep 2025345 AMAQI
25°C22/30°C
23rd Sep 2025346 AMAQI
23rd Sep 2025227 AMAQI
23rd Sep 2025178 AMAQI
23rd Sep 2025179 AMAQI
23rd Sep 20251410 AMAQI
23rd Sep 20251311 AMAQI
23rd Sep 20251412 PMAQI
23rd Sep 2025131 PMAQI
23rd Sep 2025142 PMAQI
23rd Sep 2025163 PMAQI
23rd Sep 2025144 PMAQI
23rd Sep 2025195 PMAQI
23rd Sep 2025166 PMAQI
23rd Sep 2025247 PMAQI
23rd Sep 2025278 PMAQI
23rd Sep 2025369 PMAQI
23rd Sep 20253910 PMAQI
23rd Sep 20252411 PMAQI
24th Sep 20252212 AMAQI
24th Sep 2025401 AMAQI
24th Sep 2025402 AMAQI
24th Sep 2025363 AMAQI
24th Sep 2025374 AMAQI
24th Sep 2025375 AMAQI
24°C20/31°C
24th Sep 2025376 AMAQI
24th Sep 2025207 AMAQI
24th Sep 2025158 AMAQI
24th Sep 2025159 AMAQI
24th Sep 20251310 AMAQI
24th Sep 20251411 AMAQI
24th Sep 20251712 PMAQI
24th Sep 2025151 PMAQI
24th Sep 2025142 PMAQI
24th Sep 2025133 PMAQI
24th Sep 2025154 PMAQI
24th Sep 2025145 PMAQI
24th Sep 2025146 PMAQI
24th Sep 2025217 PMAQI
24th Sep 2025188 PMAQI
24th Sep 2025189 PMAQI
24th Sep 20252110 PMAQI
24th Sep 20252011 PMAQI
25th Sep 20252812 AMAQI
25th Sep 2025391 AMAQI
25th Sep 2025362 AMAQI
25th Sep 2025373 AMAQI
25th Sep 2025374 AMAQI
25th Sep 2025345 AMAQI
23°C19/28°C
25th Sep 2025376 AMAQI
25th Sep 2025227 AMAQI
25th Sep 2025248 AMAQI
25th Sep 2025359 AMAQI
25th Sep 20253910 AMAQI
25th Sep 20252011 AMAQI
25th Sep 20251812 PMAQI
25th Sep 2025181 PMAQI
25th Sep 2025182 PMAQI
25th Sep 2025203 PMAQI
25th Sep 2025224 PMAQI
25th Sep 2025225 PMAQI
25th Sep 2025226 PMAQI
25th Sep 2025227 PMAQI
25th Sep 2025318 PMAQI
25th Sep 2025429 PMAQI
25th Sep 20253310 PMAQI
25th Sep 20252411 PMAQI
26th Sep 20252212 AMAQI
26th Sep 2025191 AMAQI
26th Sep 2025182 AMAQI
26th Sep 2025193 AMAQI
26th Sep 2025124 AMAQI
26th Sep 202565 AMAQI
25°C20/32°C
26th Sep 202596 AMAQI
26th Sep 202597 AMAQI
26th Sep 2025108 AMAQI
26th Sep 2025139 AMAQI
26th Sep 20251410 AMAQI
26th Sep 20251511 AMAQI
26th Sep 20251612 PMAQI
26th Sep 2025201 PMAQI
26th Sep 2025202 PMAQI
26th Sep 2025213 PMAQI
26th Sep 2025224 PMAQI
26th Sep 2025235 PMAQI
26th Sep 2025236 PMAQI
26th Sep 2025247 PMAQI
26th Sep 2025238 PMAQI
26th Sep 2025229 PMAQI
26th Sep 20252010 PMAQI
26th Sep 20251811 PMAQI
27th Sep 20252212 AMAQI
27th Sep 2025241 AMAQI
27th Sep 2025162 AMAQI
27th Sep 2025133 AMAQI
27th Sep 2025224 AMAQI
27th Sep 2025245 AMAQI
23°C19/26°C
27th Sep 2025186 AMAQI
27th Sep 2025147 AMAQI
27th Sep 2025128 AMAQI
27th Sep 2025169 AMAQI
27th Sep 20251910 AMAQI
27th Sep 20251811 AMAQI
27th Sep 2025812 PMAQI
27th Sep 202561 PMAQI
27th Sep 202562 PMAQI
27th Sep 202563 PMAQI
27th Sep 202564 PMAQI
27th Sep 202565 PMAQI
27th Sep 202566 PMAQI
27th Sep 202567 PMAQI
27th Sep 202568 PMAQI
27th Sep 202589 PMAQI
27th Sep 20251010 PMAQI
27th Sep 20251011 PMAQI
28th Sep 2025812 AMAQI
28th Sep 202581 AMAQI
28th Sep 202562 AMAQI
28th Sep 202563 AMAQI
28th Sep 202564 AMAQI
28th Sep 202565 AMAQI
23°C19/27°C
28th Sep 202566 AMAQI
28th Sep 202567 AMAQI
28th Sep 202568 AMAQI
28th Sep 202569 AMAQI
28th Sep 2025610 AMAQI
28th Sep 2025611 AMAQI
28th Sep 2025612 PMAQI
28th Sep 202561 PMAQI
28th Sep 202562 PMAQI
28th Sep 202563 PMAQI
28th Sep 202584 PMAQI
28th Sep 2025115 PMAQI
28th Sep 2025116 PMAQI
28th Sep 2025157 PMAQI
28th Sep 2025248 PMAQI
28th Sep 2025369 PMAQI
28th Sep 20253210 PMAQI
28th Sep 20252111 PMAQI
29th Sep 20252312 AMAQI
29th Sep 2025281 AMAQI
29th Sep 2025282 AMAQI
29th Sep 2025233 AMAQI
29th Sep 2025254 AMAQI
29th Sep 2025205 AMAQI
24°C19/32°C
29th Sep 2025266 AMAQI
29th Sep 2025337 AMAQI
29th Sep 2025348 AMAQI
29th Sep 2025249 AMAQI
29th Sep 20251610 AMAQI
29th Sep 20251811 AMAQI
29th Sep 20252012 PMAQI
29th Sep 2025171 PMAQI
29th Sep 2025172 PMAQI
29th Sep 2025123 PMAQI
29th Sep 2025124 PMAQI
29th Sep 2025115 PMAQI
29th Sep 2025146 PMAQI
29th Sep 2025297 PMAQI
29th Sep 2025368 PMAQI
29th Sep 2025499 PMAQI
29th Sep 20256710 PMAQI
29th Sep 20256711 PMAQI
30th Sep 20256012 AMAQI
30th Sep 2025511 AMAQI
30th Sep 2025422 AMAQI
30th Sep 2025333 AMAQI
30th Sep 2025294 AMAQI
30th Sep 2025295 AMAQI
24°C19/32°C
30th Sep 2025246 AMAQI
30th Sep 2025207 AMAQI
30th Sep 2025188 AMAQI
30th Sep 2025219 AMAQI
30th Sep 20252110 AMAQI
30th Sep 20252011 AMAQI
30th Sep 20252812 PMAQI
30th Sep 2025351 PMAQI
30th Sep 2025382 PMAQI
30th Sep 2025343 PMAQI
30th Sep 2025324 PMAQI
30th Sep 2025335 PMAQI
30th Sep 2025316 PMAQI
30th Sep 2025307 PMAQI
30th Sep 2025318 PMAQI
30th Sep 2025439 PMAQI
30th Sep 20255410 PMAQI
30th Sep 20253911 PMAQI
1st Oct 20253012 AMAQI
1st Oct 2025421 AMAQI
1st Oct 2025402 AMAQI
1st Oct 2025313 AMAQI
1st Oct 2025384 AMAQI
1st Oct 2025445 AMAQI
21°C20/23°C
1st Oct 2025386 AMAQI
1st Oct 2025167 AMAQI
1st Oct 2025188 AMAQI
1st Oct 2025249 AMAQI
1st Oct 20252510 AMAQI
1st Oct 20253311 AMAQI
1st Oct 20255212 PMAQI
1st Oct 2025421 PMAQI
1st Oct 2025312 PMAQI
1st Oct 2025433 PMAQI
1st Oct 2025404 PMAQI
1st Oct 2025425 PMAQI
1st Oct 2025366 PMAQI
1st Oct 2025527 PMAQI
1st Oct 2025558 PMAQI
1st Oct 2025569 PMAQI
1st Oct 20254810 PMAQI
1st Oct 20254711 PMAQI
2nd Oct 20254512 AMAQI
2nd Oct 2025451 AMAQI
2nd Oct 2025482 AMAQI
2nd Oct 2025373 AMAQI
2nd Oct 2025414 AMAQI
2nd Oct 2025395 AMAQI
21°C20/24°C
2nd Oct 2025456 AMAQI
2nd Oct 2025507 AMAQI
2nd Oct 2025448 AMAQI
2nd Oct 2025409 AMAQI
2nd Oct 20254210 AMAQI
2nd Oct 20254211 AMAQI
2nd Oct 20254612 PMAQI
2nd Oct 2025541 PMAQI
2nd Oct 2025492 PMAQI
2nd Oct 2025423 PMAQI
2nd Oct 2025424 PMAQI
2nd Oct 2025435 PMAQI
2nd Oct 2025536 PMAQI
2nd Oct 2025497 PMAQI
2nd Oct 2025368 PMAQI
2nd Oct 2025429 PMAQI
2nd Oct 20255010 PMAQI
2nd Oct 20255411 PMAQI
3rd Oct 20255012 AMAQI
3rd Oct 2025371 AMAQI
3rd Oct 2025362 AMAQI
3rd Oct 2025393 AMAQI
3rd Oct 2025444 AMAQI
3rd Oct 2025485 AMAQI
22°C19/28°C
3rd Oct 2025446 AMAQI
3rd Oct 2025607 AMAQI
3rd Oct 2025638 AMAQI
3rd Oct 2025579 AMAQI
3rd Oct 20254810 AMAQI
3rd Oct 20253911 AMAQI
3rd Oct 20254112 PMAQI
3rd Oct 2025441 PMAQI
3rd Oct 2025482 PMAQI
3rd Oct 2025523 PMAQI
3rd Oct 2025494 PMAQI
3rd Oct 2025435 PMAQI
3rd Oct 2025406 PMAQI
3rd Oct 2025477 PMAQI
3rd Oct 2025478 PMAQI
3rd Oct 2025529 PMAQI
3rd Oct 20255210 PMAQI
3rd Oct 20254911 PMAQI
4th Oct 20255412 AMAQI
4th Oct 2025531 AMAQI
4th Oct 2025522 AMAQI
4th Oct 2025503 AMAQI
4th Oct 2025434 AMAQI
4th Oct 2025405 AMAQI
24°C18/31°C
4th Oct 2025386 AMAQI
4th Oct 2025427 AMAQI
4th Oct 2025398 AMAQI
4th Oct 2025419 AMAQI
4th Oct 20255410 AMAQI
4th Oct 20255811 AMAQI
4th Oct 20255912 PMAQI
4th Oct 2025531 PMAQI
4th Oct 2025462 PMAQI
4th Oct 2025453 PMAQI
4th Oct 2025464 PMAQI
4th Oct 2025505 PMAQI
4th Oct 2025496 PMAQI
4th Oct 2025517 PMAQI
4th Oct 2025488 PMAQI
4th Oct 2025439 PMAQI
4th Oct 20255510 PMAQI
4th Oct 20255611 PMAQI
5th Oct 20255412 AMAQI
5th Oct 2025591 AMAQI
5th Oct 2025602 AMAQI
5th Oct 2025543 AMAQI
5th Oct 2025584 AMAQI
5th Oct 2025595 AMAQI
25°C20/31°C
5th Oct 2025596 AMAQI
5th Oct 2025707 AMAQI
5th Oct 2025768 AMAQI
5th Oct 2025609 AMAQI
5th Oct 20254010 AMAQI
5th Oct 20254611 AMAQI
5th Oct 20254712 PMAQI
5th Oct 2025481 PMAQI
5th Oct 2025542 PMAQI
5th Oct 2025573 PMAQI
5th Oct 2025544 PMAQI
5th Oct 2025545 PMAQI
5th Oct 2025546 PMAQI
5th Oct 2025497 PMAQI
5th Oct 2025508 PMAQI
5th Oct 2025599 PMAQI
5th Oct 20256110 PMAQI
5th Oct 20256711 PMAQI
6th Oct 20256712 AMAQI
6th Oct 2025611 AMAQI
6th Oct 2025572 AMAQI
6th Oct 2025623 AMAQI
6th Oct 2025644 AMAQI
6th Oct 2025665 AMAQI
25°C21/31°C
6th Oct 2025636 AMAQI
6th Oct 2025587 AMAQI
6th Oct 2025568 AMAQI
6th Oct 2025539 AMAQI
6th Oct 20255610 AMAQI
6th Oct 20255711 AMAQI
6th Oct 20256312 PMAQI
6th Oct 2025591 PMAQI
6th Oct 2025582 PMAQI
6th Oct 2025553 PMAQI
6th Oct 2025554 PMAQI
6th Oct 2025505 PMAQI
6th Oct 2025436 PMAQI
6th Oct 2025617 PMAQI
6th Oct 2025668 PMAQI
6th Oct 2025629 PMAQI
6th Oct 20255810 PMAQI
6th Oct 20256911 PMAQI
7th Oct 20256712 AMAQI
25°C21/32°C
7th Oct 2025626 PMAQI
7th Oct 2025627 PMAQI
7th Oct 2025598 PMAQI
7th Oct 2025539 PMAQI
7th Oct 20255410 PMAQI
7th Oct 20255811 PMAQI
8th Oct 20256812 AMAQI
8th Oct 2025801 AMAQI
--°C/°C
6 AM
12 PM
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
3 PM
30AQI
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 3 PM to 3 PM (Avg. 30).
Night time
Avg. Highest Time
9 PM - 11 PM
46AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
7 PM
40AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 PM to 11 PM (Avg. 46), while the lowest AQI was between 7 PM to 7 PM (Avg. 40).
2025 Days Vs Air Quality
Chiang Saen district, Mae Sai, Chiang Rai, Thailand
2025
39%
109
34%
94
23%
65
4%
11
Total number of days with different AQI categories in last 280 days in 2025 (85 days remaining)
Good
109 DaysModerate
94 DaysPoor
65 DaysUnhealthy
11 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 39%
Health Risk Level:
High
In 2025, 39% of 280 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
Chiang Saen 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
88AQI
88AQI
2nd January 2025
84AQI
84AQI
3rd January 2025
77AQI
77AQI
4th January 2025
83AQI
83AQI
5th January 2025
94AQI
94AQI
6th January 2025
109AQI
109AQI
7th January 2025
112AQI
112AQI
8th January 2025
110AQI
110AQI
9th January 2025
118AQI
118AQI
10th January 2025
109AQI
109AQI
11th January 2025
101AQI
101AQI
12th January 2025
91AQI
91AQI
13th January 2025
91AQI
91AQI
14th January 2025
97AQI
97AQI
15th January 2025
106AQI
106AQI
16th January 2025
97AQI
97AQI
17th January 2025
93AQI
93AQI
18th January 2025
97AQI
97AQI
19th January 2025
100AQI
100AQI
20th January 2025
105AQI
105AQI
21st January 2025
117AQI
117AQI
22nd January 2025
122AQI
122AQI
23rd January 2025
121AQI
121AQI
24th January 2025
112AQI
112AQI
25th January 2025
103AQI
103AQI
26th January 2025
105AQI
105AQI
27th January 2025
76AQI
76AQI
28th January 2025
82AQI
82AQI
29th January 2025
96AQI
96AQI
30th January 2025
110AQI
110AQI
31st January 2025
103AQI
103AQI
1st February 2025
101AQI
101AQI
2nd February 2025
105AQI
105AQI
3rd February 2025
109AQI
109AQI
4th February 2025
115AQI
115AQI
5th February 2025
114AQI
114AQI
6th February 2025
112AQI
112AQI
7th February 2025
109AQI
109AQI
8th February 2025
106AQI
106AQI
9th February 2025
89AQI
89AQI
10th February 2025
102AQI
102AQI
11th February 2025
108AQI
108AQI
12th February 2025
109AQI
109AQI
13th February 2025
108AQI
108AQI
14th February 2025
107AQI
107AQI
15th February 2025
104AQI
104AQI
16th February 2025
130AQI
130AQI
17th February 2025
127AQI
127AQI
18th February 2025
128AQI
128AQI
19th February 2025
116AQI
116AQI
20th February 2025
112AQI
112AQI
21st February 2025
110AQI
110AQI
22nd February 2025
103AQI
103AQI
23rd February 2025
98AQI
98AQI
24th February 2025
78AQI
78AQI
25th February 2025
67AQI
67AQI
26th February 2025
59AQI
59AQI
27th February 2025
65AQI
65AQI
28th February 2025
72AQI
72AQI
1st March 2025
75AQI
75AQI
2nd March 2025
82AQI
82AQI
3rd March 2025
97AQI
97AQI
4th March 2025
112AQI
112AQI
5th March 2025
131AQI
131AQI
6th March 2025
128AQI
128AQI
7th March 2025
137AQI
137AQI
8th March 2025
112AQI
112AQI
9th March 2025
107AQI
107AQI
10th March 2025
99AQI
99AQI
11th March 2025
108AQI
108AQI
12th March 2025
118AQI
118AQI
13th March 2025
103AQI
103AQI
14th March 2025
110AQI
110AQI
15th March 2025
135AQI
135AQI
16th March 2025
130AQI
130AQI
17th March 2025
144AQI
144AQI
18th March 2025
133AQI
133AQI
19th March 2025
88AQI
88AQI
20th March 2025
94AQI
94AQI
21st March 2025
108AQI
108AQI
22nd March 2025
134AQI
134AQI
23rd March 2025
144AQI
144AQI
24th March 2025
152AQI
152AQI
25th March 2025
157AQI
157AQI
26th March 2025
158AQI
158AQI
27th March 2025
158AQI
158AQI
28th March 2025
164AQI
164AQI
29th March 2025
163AQI
163AQI
30th March 2025
165AQI
165AQI
31st March 2025
160AQI
160AQI
1st April 2025
152AQI
152AQI
2nd April 2025
151AQI
151AQI
3rd April 2025
149AQI
149AQI
4th April 2025
151AQI
151AQI
5th April 2025
148AQI
148AQI
6th April 2025
140AQI
140AQI
7th April 2025
113AQI
113AQI
8th April 2025
108AQI
108AQI
9th April 2025
129AQI
129AQI
10th April 2025
134AQI
134AQI
11th April 2025
131AQI
131AQI
12th April 2025
98AQI
98AQI
13th April 2025
69AQI
69AQI
14th April 2025
57AQI
57AQI
15th April 2025
57AQI
57AQI
16th April 2025
54AQI
54AQI
17th April 2025
54AQI
54AQI
18th April 2025
54AQI
54AQI
19th April 2025
58AQI
58AQI
20th April 2025
60AQI
60AQI
21st April 2025
66AQI
66AQI
22nd April 2025
82AQI
82AQI
23rd April 2025
89AQI
89AQI
24th April 2025
100AQI
100AQI
25th April 2025
109AQI
109AQI
26th April 2025
110AQI
110AQI
27th April 2025
105AQI
105AQI
28th April 2025
78AQI
78AQI
29th April 2025
72AQI
72AQI
30th April 2025
67AQI
67AQI
1st May 2025
66AQI
66AQI
2nd May 2025
66AQI
66AQI
3rd May 2025
64AQI
64AQI
4th May 2025
61AQI
61AQI
5th May 2025
70AQI
70AQI
6th May 2025
77AQI
77AQI
7th May 2025
93AQI
93AQI
8th May 2025
92AQI
92AQI
9th May 2025
80AQI
80AQI
10th May 2025
96AQI
96AQI
11th May 2025
93AQI
93AQI
12th May 2025
54AQI
54AQI
13th May 2025
64AQI
64AQI
14th May 2025
65AQI
65AQI
15th May 2025
48AQI
48AQI
16th May 2025
46AQI
46AQI
17th May 2025
46AQI
46AQI
18th May 2025
36AQI
36AQI
19th May 2025
38AQI
38AQI
20th May 2025
45AQI
45AQI
21st May 2025
54AQI
54AQI
22nd May 2025
54AQI
54AQI
23rd May 2025
59AQI
59AQI
24th May 2025
40AQI
40AQI
25th May 2025
34AQI
34AQI
26th May 2025
34AQI
34AQI
27th May 2025
39AQI
39AQI
28th May 2025
34AQI
34AQI
29th May 2025
39AQI
39AQI
30th May 2025
38AQI
38AQI
31st May 2025
34AQI
34AQI
1st June 2025
38AQI
38AQI
2nd June 2025
35AQI
35AQI
3rd June 2025
47AQI
47AQI
4th June 2025
58AQI
58AQI
5th June 2025
69AQI
69AQI
6th June 2025
75AQI
75AQI
7th June 2025
72AQI
72AQI
8th June 2025
70AQI
70AQI
9th June 2025
66AQI
66AQI
10th June 2025
48AQI
48AQI
11th June 2025
40AQI
40AQI
12th June 2025
44AQI
44AQI
13th June 2025
49AQI
49AQI
14th June 2025
48AQI
48AQI
15th June 2025
36AQI
36AQI
16th June 2025
32AQI
32AQI
17th June 2025
38AQI
38AQI
18th June 2025
39AQI
39AQI
19th June 2025
42AQI
42AQI
20th June 2025
45AQI
45AQI
21st June 2025
49AQI
49AQI
22nd June 2025
58AQI
58AQI
23rd June 2025
49AQI
49AQI
24th June 2025
47AQI
47AQI
25th June 2025
48AQI
48AQI
26th June 2025
48AQI
48AQI
27th June 2025
46AQI
46AQI
28th June 2025
49AQI
49AQI
29th June 2025
49AQI
49AQI
30th June 2025
49AQI
49AQI
1st July 2025
49AQI
49AQI
2nd July 2025
44AQI
44AQI
3rd July 2025
52AQI
52AQI
4th July 2025
46AQI
46AQI
5th July 2025
47AQI
47AQI
6th July 2025
44AQI
44AQI
7th July 2025
42AQI
42AQI
8th July 2025
45AQI
45AQI
9th July 2025
52AQI
52AQI
10th July 2025
52AQI
52AQI
11th July 2025
51AQI
51AQI
12th July 2025
46AQI
46AQI
13th July 2025
46AQI
46AQI
14th July 2025
46AQI
46AQI
15th July 2025
46AQI
46AQI
16th July 2025
48AQI
48AQI
17th July 2025
49AQI
49AQI
18th July 2025
46AQI
46AQI
19th July 2025
45AQI
45AQI
20th July 2025
47AQI
47AQI
21st July 2025
48AQI
48AQI
22nd July 2025
48AQI
48AQI
23rd July 2025
43AQI
43AQI
24th July 2025
39AQI
39AQI
25th July 2025
39AQI
39AQI
26th July 2025
42AQI
42AQI
27th July 2025
40AQI
40AQI
28th July 2025
39AQI
39AQI
29th July 2025
40AQI
40AQI
30th July 2025
44AQI
44AQI
31st July 2025
54AQI
54AQI
1st August 2025
57AQI
57AQI
2nd August 2025
54AQI
54AQI
3rd August 2025
53AQI
53AQI
4th August 2025
56AQI
56AQI
5th August 2025
54AQI
54AQI
6th August 2025
47AQI
47AQI
7th August 2025
40AQI
40AQI
8th August 2025
28AQI
28AQI
9th August 2025
28AQI
28AQI
10th August 2025
30AQI
30AQI
11th August 2025
42AQI
42AQI
12th August 2025
49AQI
49AQI
13th August 2025
50AQI
50AQI
14th August 2025
53AQI
53AQI
15th August 2025
49AQI
49AQI
16th August 2025
47AQI
47AQI
17th August 2025
46AQI
46AQI
18th August 2025
50AQI
50AQI
19th August 2025
49AQI
49AQI
20th August 2025
52AQI
52AQI
21st August 2025
53AQI
53AQI
22nd August 2025
52AQI
52AQI
23rd August 2025
49AQI
49AQI
24th August 2025
48AQI
48AQI
25th August 2025
52AQI
52AQI
26th August 2025
49AQI
49AQI
27th August 2025
47AQI
47AQI
28th August 2025
48AQI
48AQI
29th August 2025
49AQI
49AQI
30th August 2025
50AQI
50AQI
31st August 2025
50AQI
50AQI
1st September 2025
51AQI
51AQI
2nd September 2025
50AQI
50AQI
3rd September 2025
53AQI
53AQI
4th September 2025
52AQI
52AQI
5th September 2025
50AQI
50AQI
6th September 2025
51AQI
51AQI
7th September 2025
54AQI
54AQI
8th September 2025
55AQI
55AQI
9th September 2025
51AQI
51AQI
10th September 2025
47AQI
47AQI
11th September 2025
45AQI
45AQI
12th September 2025
50AQI
50AQI
13th September 2025
50AQI
50AQI
14th September 2025
47AQI
47AQI
15th September 2025
50AQI
50AQI
16th September 2025
45AQI
45AQI
17th September 2025
52AQI
52AQI
18th September 2025
51AQI
51AQI
19th September 2025
39AQI
39AQI
20th September 2025
32AQI
32AQI
21st September 2025
28AQI
28AQI
22nd September 2025
29AQI
29AQI
23rd September 2025
23AQI
23AQI
24th September 2025
22AQI
22AQI
25th September 2025
27AQI
27AQI
26th September 2025
18AQI
18AQI
27th September 2025
14AQI
14AQI
28th September 2025
11AQI
11AQI
29th September 2025
27AQI
27AQI
30th September 2025
38AQI
38AQI
1st October 2025
36AQI
36AQI
2nd October 2025
45AQI
45AQI
3rd October 2025
48AQI
48AQI
4th October 2025
49AQI
49AQI
5th October 2025
56AQI
56AQI
6th October 2025
65AQI
65AQI
7th October 2025
8th October 2025
9th October 2025
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
100AQI
102AQI
126AQI
98AQI
57AQI
49AQI
46AQI
48AQI
40AQI
50AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202573AQI
15
16
7
21
6
17
8
16
11
3
14
17
23
7
26
5
21
10
21
9
4
2
109
94
65
11
Highest AQI recorded in
March126AQI
Lowest AQI recorded in
September40AQI
202458AQI
11
18
1
6
1
1
9
3
30
31
31
3
5
8
7
23
31
116
77
25
1
Highest AQI recorded in
April160AQI
Lowest AQI recorded in
July31AQI
2023135AQI
9
19
1
2
7
19
5
17
7
2
10
5
11
4
2
11
7
1
5
7
1
12
1
21
9
8
62
58
43
18
6
Highest AQI recorded in
April213AQI
Lowest AQI recorded in
June44AQI
202290AQI
2
1
2
25
2
13
17
2
40
20
Highest AQI recorded in
December102AQI
Lowest AQI recorded in
November77AQI
Most & Least Polluted Years Over the Last 4 Years
Most Polluted Year Recorded
2023(Avg.)
135AQILeast Polluted Year Recorded
2024(Avg.)
58AQIChiang Saen district's annual 2025 AQI (73) shows an average percentage change of -12.7% (improved AQI) compared to previous years: 2022 (90), 2023 (135), 2024 (58).
