Phan 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
Phan District, Chiang Rai, Thailand
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
6th Aug 2023
82AQILowest AQI recorded on
8th Aug 2026
15AQISame Day Analysis (16th August):
On this day, AQI across the 4 years varied significantly: 2026 ranks 2nd highest AQI at 28 of Good air quality, showing improvement over 2025 on the same day.
Day & Night AQI Trend: 15th Aug - 16th Aug 2026
Phan District, Chiang Rai, Thailand
AQI
Day
Night
.
5 AM15th Aug 2026
6 PM
4 AM16th Aug 2026
Day time
Avg. Highest Time
6AM15th Aug
50AQI
Avg. Lowest Time
5PM15th Aug
12AQI
Night time
Avg. Highest Time
5AM15th Aug
53AQI
Avg. Lowest Time
8PM15th Aug
17AQI
In the last 24 hours,
Phan District's AQI reached its highest point of 53 at 5 AM during the Night, while the lowest point, 12, was recorded at 5 PM during the Day between 15th Aug and 16th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Phan District, Chiang Rai, Thailand
JulAug
18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th
Day
Night
18th Jul 2026445 AMAQI
18th Jul 2026486 AMAQI
18th Jul 2026517 AMAQI
18th Jul 2026608 AMAQI
18th Jul 2026579 AMAQI
18th Jul 20265210 AMAQI
18th Jul 20265811 AMAQI
18th Jul 20266212 PMAQI
18th Jul 2026681 PMAQI
18th Jul 2026622 PMAQI
18th Jul 2026663 PMAQI
18th Jul 2026664 PMAQI
18th Jul 2026625 PMAQI
18th Jul 2026636 PMAQI
18th Jul 2026657 PMAQI
18th Jul 2026688 PMAQI
18th Jul 2026669 PMAQI
18th Jul 20266210 PMAQI
18th Jul 20266311 PMAQI
19th Jul 20266812 AMAQI
19th Jul 2026641 AMAQI
19th Jul 2026622 AMAQI
19th Jul 2026663 AMAQI
19th Jul 2026624 AMAQI
21°C18/26°C
19th Jul 2026595 AMAQI
19th Jul 2026626 AMAQI
19th Jul 2026677 AMAQI
19th Jul 2026748 AMAQI
19th Jul 2026839 AMAQI
19th Jul 20266810 AMAQI
19th Jul 20267111 AMAQI
19th Jul 20267012 PMAQI
19th Jul 2026661 PMAQI
19th Jul 2026592 PMAQI
19th Jul 2026583 PMAQI
19th Jul 2026704 PMAQI
19th Jul 2026585 PMAQI
19th Jul 2026556 PMAQI
19th Jul 2026367 PMAQI
19th Jul 2026328 PMAQI
19th Jul 2026239 PMAQI
19th Jul 20261910 PMAQI
19th Jul 20261711 PMAQI
20th Jul 20263012 AMAQI
20th Jul 2026441 AMAQI
20th Jul 2026292 AMAQI
20th Jul 2026253 AMAQI
20th Jul 2026344 AMAQI
22°C19/30°C
20th Jul 2026365 AMAQI
20th Jul 2026496 AMAQI
20th Jul 2026407 AMAQI
20th Jul 2026538 AMAQI
20th Jul 2026629 AMAQI
20th Jul 20265010 AMAQI
20th Jul 20265411 AMAQI
20th Jul 20263812 PMAQI
20th Jul 2026421 PMAQI
20th Jul 2026382 PMAQI
20th Jul 2026323 PMAQI
20th Jul 2026294 PMAQI
20th Jul 2026295 PMAQI
20th Jul 2026296 PMAQI
20th Jul 2026297 PMAQI
20th Jul 2026368 PMAQI
20th Jul 2026499 PMAQI
20th Jul 20266510 PMAQI
20th Jul 20265411 PMAQI
21st Jul 20265412 AMAQI
21st Jul 2026641 AMAQI
21st Jul 2026552 AMAQI
21st Jul 2026533 AMAQI
21st Jul 2026644 AMAQI
23°C18/31°C
21st Jul 2026335 AMAQI
21st Jul 2026316 AMAQI
21st Jul 2026367 AMAQI
21st Jul 2026628 AMAQI
21st Jul 2026559 AMAQI
21st Jul 20262511 AMAQI
21st Jul 20263812 PMAQI
21st Jul 2026331 PMAQI
21st Jul 2026212 PMAQI
21st Jul 2026213 PMAQI
21st Jul 2026194 PMAQI
21st Jul 2026785 PMAQI
21st Jul 2026216 PMAQI
21st Jul 2026197 PMAQI
21st Jul 2026128 PMAQI
21st Jul 2026149 PMAQI
21st Jul 20261710 PMAQI
21st Jul 20261911 PMAQI
22nd Jul 20261712 AMAQI
22nd Jul 2026121 AMAQI
22nd Jul 2026172 AMAQI
22nd Jul 2026123 AMAQI
22nd Jul 2026124 AMAQI
22°C19/27°C
22nd Jul 2026145 AMAQI
22nd Jul 2026176 AMAQI
22nd Jul 2026147 AMAQI
22nd Jul 2026128 AMAQI
22nd Jul 2026149 AMAQI
22nd Jul 20261210 AMAQI
22nd Jul 20261711 AMAQI
22nd Jul 20261412 PMAQI
22nd Jul 2026141 PMAQI
22nd Jul 2026102 PMAQI
22nd Jul 202683 PMAQI
22nd Jul 202684 PMAQI
22nd Jul 202685 PMAQI
22nd Jul 2026126 PMAQI
22nd Jul 2026147 PMAQI
22nd Jul 2026198 PMAQI
22nd Jul 2026199 PMAQI
22nd Jul 20261410 PMAQI
22nd Jul 20261411 PMAQI
23rd Jul 20261212 AMAQI
23rd Jul 2026121 AMAQI
23rd Jul 2026172 AMAQI
23rd Jul 2026193 AMAQI
23rd Jul 202684 AMAQI
22°C20/28°C
23rd Jul 202685 AMAQI
23rd Jul 202686 AMAQI
23rd Jul 2026127 AMAQI
23rd Jul 2026258 AMAQI
23rd Jul 202689 AMAQI
23rd Jul 20264610 AMAQI
23rd Jul 20263411 AMAQI
23rd Jul 20264712 PMAQI
23rd Jul 2026381 PMAQI
23rd Jul 2026362 PMAQI
23rd Jul 2026293 PMAQI
23rd Jul 2026224 PMAQI
23rd Jul 2026185 PMAQI
23rd Jul 2026296 PMAQI
23rd Jul 2026337 PMAQI
23rd Jul 2026338 PMAQI
23rd Jul 2026229 PMAQI
23rd Jul 20262910 PMAQI
23rd Jul 20262711 PMAQI
24th Jul 20262912 AMAQI
24th Jul 2026291 AMAQI
24th Jul 2026252 AMAQI
24th Jul 2026293 AMAQI
24th Jul 2026254 AMAQI
24°C20/31°C
24th Jul 2026295 AMAQI
24th Jul 2026296 AMAQI
24th Jul 2026317 AMAQI
24th Jul 2026268 AMAQI
24th Jul 2026239 AMAQI
24th Jul 20264010 AMAQI
24th Jul 20262311 AMAQI
24th Jul 20261912 PMAQI
24th Jul 2026191 PMAQI
24th Jul 2026142 PMAQI
24th Jul 202683 PMAQI
24th Jul 2026124 PMAQI
24th Jul 2026125 PMAQI
24th Jul 2026146 PMAQI
24th Jul 2026397 PMAQI
24th Jul 2026408 PMAQI
24th Jul 2026279 PMAQI
24th Jul 20263410 PMAQI
24th Jul 20262911 PMAQI
25th Jul 20262312 AMAQI
25th Jul 2026401 AMAQI
25th Jul 2026522 AMAQI
25th Jul 2026643 AMAQI
25th Jul 2026364 AMAQI
24°C20/31°C
25th Jul 2026405 AMAQI
25th Jul 2026596 AMAQI
25th Jul 2026317 AMAQI
25th Jul 2026298 AMAQI
25th Jul 2026589 AMAQI
25th Jul 20265010 AMAQI
25th Jul 20262911 AMAQI
25th Jul 20262512 PMAQI
25th Jul 2026231 PMAQI
25th Jul 2026232 PMAQI
25th Jul 2026233 PMAQI
25th Jul 2026254 PMAQI
25th Jul 2026175 PMAQI
25th Jul 2026216 PMAQI
25th Jul 2026257 PMAQI
25th Jul 2026388 PMAQI
25th Jul 2026429 PMAQI
25th Jul 20263110 PMAQI
25th Jul 20262111 PMAQI
26th Jul 20262112 AMAQI
26th Jul 2026231 AMAQI
26th Jul 2026332 AMAQI
26th Jul 2026513 AMAQI
26th Jul 202684 AMAQI
23°C20/29°C
26th Jul 202685 AMAQI
26th Jul 202686 AMAQI
26th Jul 202687 AMAQI
26th Jul 2026128 AMAQI
26th Jul 2026129 AMAQI
26th Jul 20261210 AMAQI
26th Jul 20261811 AMAQI
26th Jul 20262312 PMAQI
26th Jul 2026381 PMAQI
26th Jul 2026322 PMAQI
26th Jul 2026233 PMAQI
26th Jul 2026294 PMAQI
26th Jul 2026385 PMAQI
26th Jul 2026406 PMAQI
26th Jul 2026327 PMAQI
26th Jul 2026448 PMAQI
26th Jul 2026519 PMAQI
26th Jul 20262310 PMAQI
26th Jul 20262511 PMAQI
27th Jul 20261612 AMAQI
27th Jul 2026191 AMAQI
27th Jul 2026272 AMAQI
27th Jul 2026293 AMAQI
27th Jul 2026144 AMAQI
23°C20/28°C
27th Jul 2026335 AMAQI
27th Jul 2026146 AMAQI
27th Jul 2026147 AMAQI
27th Jul 2026178 AMAQI
27th Jul 2026259 AMAQI
27th Jul 20262310 AMAQI
27th Jul 20262711 AMAQI
27th Jul 20262112 PMAQI
27th Jul 2026251 PMAQI
27th Jul 2026202 PMAQI
27th Jul 2026273 PMAQI
27th Jul 2026274 PMAQI
27th Jul 2026255 PMAQI
27th Jul 2026296 PMAQI
27th Jul 2026317 PMAQI
27th Jul 2026278 PMAQI
27th Jul 2026369 PMAQI
27th Jul 20262510 PMAQI
27th Jul 20263311 PMAQI
28th Jul 20263612 AMAQI
28th Jul 2026211 AMAQI
28th Jul 2026332 AMAQI
28th Jul 2026213 AMAQI
28th Jul 2026234 AMAQI
24°C20/29°C
28th Jul 2026255 AMAQI
28th Jul 2026256 AMAQI
28th Jul 2026297 AMAQI
28th Jul 2026338 AMAQI
28th Jul 2026329 AMAQI
28th Jul 20263110 AMAQI
28th Jul 20263311 AMAQI
28th Jul 20264612 PMAQI
28th Jul 2026171 PMAQI
28th Jul 2026252 PMAQI
28th Jul 2026213 PMAQI
28th Jul 2026254 PMAQI
28th Jul 2026105 PMAQI
28th Jul 2026276 PMAQI
28th Jul 2026257 PMAQI
28th Jul 2026108 PMAQI
28th Jul 2026299 PMAQI
28th Jul 20263410 PMAQI
28th Jul 20262211 PMAQI
29th Jul 20262612 AMAQI
29th Jul 2026251 AMAQI
29th Jul 2026252 AMAQI
29th Jul 2026273 AMAQI
29th Jul 2026274 AMAQI
23°C21/28°C
29th Jul 2026275 AMAQI
29th Jul 2026256 AMAQI
29th Jul 2026297 AMAQI
29th Jul 2026278 AMAQI
29th Jul 2026429 AMAQI
29th Jul 20263110 AMAQI
29th Jul 20263811 AMAQI
29th Jul 20264212 PMAQI
29th Jul 2026321 PMAQI
29th Jul 2026252 PMAQI
29th Jul 2026313 PMAQI
29th Jul 2026624 PMAQI
29th Jul 2026125 PMAQI
29th Jul 202686 PMAQI
29th Jul 2026127 PMAQI
29th Jul 202688 PMAQI
29th Jul 202689 PMAQI
29th Jul 20261210 PMAQI
29th Jul 20261211 PMAQI
30th Jul 2026812 AMAQI
30th Jul 202681 AMAQI
30th Jul 202682 AMAQI
30th Jul 2026123 AMAQI
30th Jul 202684 AMAQI
22°C20/26°C
30th Jul 202685 AMAQI
30th Jul 202686 AMAQI
30th Jul 202687 AMAQI
30th Jul 2026128 AMAQI
30th Jul 2026199 AMAQI
30th Jul 20261210 AMAQI
30th Jul 20261911 AMAQI
30th Jul 2026812 PMAQI
30th Jul 202681 PMAQI
30th Jul 202682 PMAQI
30th Jul 202683 PMAQI
30th Jul 202684 PMAQI
30th Jul 2026235 PMAQI
30th Jul 2026216 PMAQI
30th Jul 2026217 PMAQI
30th Jul 2026238 PMAQI
30th Jul 2026469 PMAQI
30th Jul 20262910 PMAQI
30th Jul 20262711 PMAQI
31st Jul 20262712 AMAQI
31st Jul 2026211 AMAQI
31st Jul 2026212 AMAQI
31st Jul 2026123 AMAQI
31st Jul 2026124 AMAQI
22°C20/28°C
31st Jul 2026125 AMAQI
31st Jul 2026126 AMAQI
31st Jul 2026127 AMAQI
31st Jul 2026128 AMAQI
31st Jul 202689 AMAQI
31st Jul 20261210 AMAQI
31st Jul 20261011 AMAQI
31st Jul 20262212 PMAQI
31st Jul 2026161 PMAQI
31st Jul 2026122 PMAQI
31st Jul 2026123 PMAQI
31st Jul 2026124 PMAQI
31st Jul 2026185 PMAQI
31st Jul 2026146 PMAQI
31st Jul 2026177 PMAQI
31st Jul 2026178 PMAQI
31st Jul 2026199 PMAQI
31st Jul 20262710 PMAQI
31st Jul 20263311 PMAQI
1st Aug 20262712 AMAQI
1st Aug 2026231 AMAQI
1st Aug 2026422 AMAQI
1st Aug 2026123 AMAQI
1st Aug 2026214 AMAQI
22°C20/27°C
1st Aug 2026215 AMAQI
1st Aug 2026256 AMAQI
1st Aug 2026257 AMAQI
1st Aug 2026298 AMAQI
1st Aug 2026299 AMAQI
1st Aug 20262510 AMAQI
1st Aug 20262911 AMAQI
1st Aug 20262912 PMAQI
1st Aug 2026271 PMAQI
1st Aug 2026332 PMAQI
1st Aug 2026343 PMAQI
1st Aug 2026364 PMAQI
1st Aug 2026295 PMAQI
1st Aug 2026426 PMAQI
1st Aug 2026277 PMAQI
1st Aug 2026278 PMAQI
1st Aug 2026219 PMAQI
1st Aug 20262710 PMAQI
1st Aug 20262311 PMAQI
2nd Aug 20262312 AMAQI
2nd Aug 2026251 AMAQI
2nd Aug 2026252 AMAQI
2nd Aug 2026213 AMAQI
2nd Aug 2026214 AMAQI
23°C20/26°C
2nd Aug 2026235 AMAQI
2nd Aug 2026316 AMAQI
2nd Aug 2026317 AMAQI
2nd Aug 2026388 AMAQI
2nd Aug 2026369 AMAQI
2nd Aug 20262910 AMAQI
2nd Aug 20263211 AMAQI
2nd Aug 20262912 PMAQI
2nd Aug 2026271 PMAQI
2nd Aug 2026272 PMAQI
2nd Aug 2026293 PMAQI
2nd Aug 2026234 PMAQI
2nd Aug 2026255 PMAQI
2nd Aug 2026256 PMAQI
2nd Aug 2026237 PMAQI
2nd Aug 2026238 PMAQI
2nd Aug 2026279 PMAQI
2nd Aug 20262310 PMAQI
2nd Aug 20262511 PMAQI
3rd Aug 20263212 AMAQI
3rd Aug 2026311 AMAQI
3rd Aug 2026202 AMAQI
3rd Aug 2026173 AMAQI
3rd Aug 2026144 AMAQI
23°C21/29°C
3rd Aug 2026175 AMAQI
3rd Aug 2026256 AMAQI
3rd Aug 2026317 AMAQI
3rd Aug 2026388 AMAQI
3rd Aug 2026389 AMAQI
3rd Aug 20264210 AMAQI
3rd Aug 20262911 AMAQI
3rd Aug 20262912 PMAQI
3rd Aug 2026231 PMAQI
3rd Aug 2026252 PMAQI
3rd Aug 2026213 PMAQI
3rd Aug 2026194 PMAQI
3rd Aug 2026145 PMAQI
3rd Aug 2026216 PMAQI
3rd Aug 2026257 PMAQI
3rd Aug 2026218 PMAQI
3rd Aug 2026319 PMAQI
3rd Aug 20264010 PMAQI
3rd Aug 20263311 PMAQI
4th Aug 20262712 AMAQI
4th Aug 2026361 AMAQI
4th Aug 2026292 AMAQI
4th Aug 2026333 AMAQI
4th Aug 2026234 AMAQI
23°C20/27°C
4th Aug 2026295 AMAQI
4th Aug 2026336 AMAQI
4th Aug 2026257 AMAQI
4th Aug 2026218 AMAQI
4th Aug 2026259 AMAQI
4th Aug 20262910 AMAQI
4th Aug 20262911 AMAQI
4th Aug 20262312 PMAQI
4th Aug 2026271 PMAQI
4th Aug 2026232 PMAQI
4th Aug 2026253 PMAQI
4th Aug 2026254 PMAQI
4th Aug 2026255 PMAQI
4th Aug 2026366 PMAQI
4th Aug 2026237 PMAQI
4th Aug 2026278 PMAQI
4th Aug 2026349 PMAQI
4th Aug 20265210 PMAQI
4th Aug 20263811 PMAQI
5th Aug 20263312 AMAQI
5th Aug 2026331 AMAQI
5th Aug 2026332 AMAQI
5th Aug 2026293 AMAQI
5th Aug 2026214 AMAQI
23°C20/28°C
5th Aug 2026255 AMAQI
5th Aug 2026276 AMAQI
5th Aug 2026257 AMAQI
5th Aug 2026388 AMAQI
5th Aug 2026429 AMAQI
5th Aug 20263810 AMAQI
5th Aug 20262911 AMAQI
5th Aug 20263112 PMAQI
5th Aug 2026331 PMAQI
5th Aug 2026312 PMAQI
5th Aug 2026233 PMAQI
5th Aug 2026234 PMAQI
5th Aug 2026235 PMAQI
5th Aug 2026236 PMAQI
5th Aug 2026127 PMAQI
5th Aug 2026298 PMAQI
5th Aug 2026239 PMAQI
5th Aug 20262910 PMAQI
5th Aug 20262511 PMAQI
6th Aug 20261212 AMAQI
6th Aug 2026121 AMAQI
6th Aug 202682 AMAQI
6th Aug 2026123 AMAQI
6th Aug 2026124 AMAQI
22°C20/24°C
6th Aug 2026105 AMAQI
6th Aug 2026216 AMAQI
6th Aug 2026147 AMAQI
6th Aug 2026258 AMAQI
6th Aug 2026349 AMAQI
6th Aug 20262110 AMAQI
6th Aug 20263111 AMAQI
6th Aug 20262512 PMAQI
6th Aug 2026291 PMAQI
6th Aug 2026332 PMAQI
6th Aug 2026273 PMAQI
6th Aug 2026234 PMAQI
6th Aug 2026295 PMAQI
6th Aug 2026196 PMAQI
6th Aug 2026237 PMAQI
6th Aug 2026258 PMAQI
6th Aug 2026369 PMAQI
6th Aug 20262710 PMAQI
6th Aug 20262511 PMAQI
7th Aug 20261912 AMAQI
7th Aug 2026171 AMAQI
7th Aug 2026142 AMAQI
7th Aug 2026193 AMAQI
7th Aug 2026214 AMAQI
23°C19/29°C
7th Aug 2026195 AMAQI
7th Aug 2026256 AMAQI
7th Aug 2026237 AMAQI
7th Aug 2026218 AMAQI
7th Aug 2026299 AMAQI
7th Aug 20262310 AMAQI
7th Aug 20262711 AMAQI
7th Aug 20263312 PMAQI
7th Aug 2026311 PMAQI
7th Aug 2026252 PMAQI
7th Aug 2026293 PMAQI
7th Aug 2026254 PMAQI
7th Aug 2026255 PMAQI
7th Aug 2026256 PMAQI
7th Aug 2026337 PMAQI
7th Aug 2026218 PMAQI
7th Aug 2026199 PMAQI
7th Aug 20261710 PMAQI
7th Aug 20261211 PMAQI
8th Aug 2026812 AMAQI
8th Aug 2026121 AMAQI
8th Aug 202682 AMAQI
8th Aug 2026103 AMAQI
8th Aug 2026124 AMAQI
23°C20/29°C
8th Aug 2026125 AMAQI
8th Aug 202686 AMAQI
8th Aug 2026127 AMAQI
8th Aug 2026128 AMAQI
8th Aug 2026179 AMAQI
8th Aug 20261210 AMAQI
8th Aug 20261711 AMAQI
8th Aug 20261412 PMAQI
8th Aug 2026141 PMAQI
8th Aug 2026142 PMAQI
8th Aug 2026193 PMAQI
8th Aug 2026144 PMAQI
8th Aug 2026125 PMAQI
8th Aug 2026446 PMAQI
8th Aug 2026257 PMAQI
8th Aug 2026298 PMAQI
8th Aug 202689 PMAQI
8th Aug 2026810 PMAQI
8th Aug 20261011 PMAQI
9th Aug 2026812 AMAQI
9th Aug 2026121 AMAQI
9th Aug 2026122 AMAQI
9th Aug 202683 AMAQI
9th Aug 202684 AMAQI
23°C21/27°C
9th Aug 202685 AMAQI
9th Aug 202686 AMAQI
9th Aug 2026127 AMAQI
9th Aug 2026128 AMAQI
9th Aug 2026219 AMAQI
9th Aug 20262510 AMAQI
9th Aug 20262911 AMAQI
9th Aug 20262512 PMAQI
9th Aug 2026201 PMAQI
9th Aug 2026122 PMAQI
9th Aug 2026293 PMAQI
9th Aug 2026334 PMAQI
9th Aug 2026255 PMAQI
9th Aug 2026256 PMAQI
9th Aug 2026127 PMAQI
9th Aug 202688 PMAQI
9th Aug 202689 PMAQI
9th Aug 2026810 PMAQI
9th Aug 2026811 PMAQI
10th Aug 20261612 AMAQI
10th Aug 2026681 AMAQI
10th Aug 2026452 AMAQI
10th Aug 2026313 AMAQI
10th Aug 2026364 AMAQI
23°C21/25°C
10th Aug 2026425 AMAQI
10th Aug 2026546 AMAQI
10th Aug 2026127 AMAQI
10th Aug 2026328 AMAQI
10th Aug 2026259 AMAQI
10th Aug 20262110 AMAQI
10th Aug 20262111 AMAQI
10th Aug 20262112 PMAQI
10th Aug 2026271 PMAQI
10th Aug 2026252 PMAQI
10th Aug 2026253 PMAQI
10th Aug 2026274 PMAQI
10th Aug 2026185 PMAQI
10th Aug 2026386 PMAQI
10th Aug 2026407 PMAQI
10th Aug 2026258 PMAQI
10th Aug 2026129 PMAQI
10th Aug 20261210 PMAQI
10th Aug 2026811 PMAQI
11th Aug 20261012 AMAQI
11th Aug 202681 AMAQI
11th Aug 2026312 AMAQI
11th Aug 2026563 AMAQI
11th Aug 2026334 AMAQI
23°C20/29°C
11th Aug 202685 AMAQI
11th Aug 2026126 AMAQI
11th Aug 2026127 AMAQI
11th Aug 2026258 AMAQI
11th Aug 2026239 AMAQI
11th Aug 20261210 AMAQI
11th Aug 20261211 AMAQI
11th Aug 20261212 PMAQI
11th Aug 2026171 PMAQI
11th Aug 2026122 PMAQI
11th Aug 2026103 PMAQI
11th Aug 2026104 PMAQI
11th Aug 2026125 PMAQI
11th Aug 2026166 PMAQI
11th Aug 2026147 PMAQI
11th Aug 2026178 PMAQI
11th Aug 2026129 PMAQI
11th Aug 20261210 PMAQI
11th Aug 20261211 PMAQI
12th Aug 20261212 AMAQI
12th Aug 2026121 AMAQI
12th Aug 2026122 AMAQI
12th Aug 2026123 AMAQI
12th Aug 2026124 AMAQI
22°C20/27°C
12th Aug 2026125 AMAQI
12th Aug 2026626 AMAQI
12th Aug 2026177 AMAQI
12th Aug 2026178 AMAQI
12th Aug 2026199 AMAQI
12th Aug 20261910 AMAQI
12th Aug 20261411 AMAQI
12th Aug 20261912 PMAQI
12th Aug 2026161 PMAQI
12th Aug 2026212 PMAQI
12th Aug 2026123 PMAQI
12th Aug 2026124 PMAQI
12th Aug 2026175 PMAQI
12th Aug 2026296 PMAQI
12th Aug 2026217 PMAQI
12th Aug 2026218 PMAQI
12th Aug 2026219 PMAQI
12th Aug 20262510 PMAQI
12th Aug 20261711 PMAQI
13th Aug 20261712 AMAQI
13th Aug 202681 AMAQI
13th Aug 202682 AMAQI
13th Aug 202683 AMAQI
13th Aug 2026144 AMAQI
22°C19/26°C
13th Aug 2026275 AMAQI
13th Aug 2026256 AMAQI
13th Aug 2026217 AMAQI
13th Aug 2026278 AMAQI
13th Aug 2026299 AMAQI
13th Aug 20262910 AMAQI
13th Aug 20265311 AMAQI
13th Aug 20264812 PMAQI
13th Aug 2026171 PMAQI
13th Aug 2026172 PMAQI
13th Aug 2026173 PMAQI
13th Aug 2026174 PMAQI
13th Aug 2026145 PMAQI
13th Aug 2026176 PMAQI
13th Aug 2026177 PMAQI
13th Aug 2026368 PMAQI
13th Aug 2026469 PMAQI
13th Aug 20261410 PMAQI
13th Aug 20262911 PMAQI
14th Aug 20262812 AMAQI
14th Aug 2026211 AMAQI
14th Aug 2026252 AMAQI
14th Aug 2026253 AMAQI
14th Aug 2026254 AMAQI
23°C19/31°C
14th Aug 2026235 AMAQI
14th Aug 2026586 AMAQI
14th Aug 2026227 AMAQI
14th Aug 2026248 AMAQI
14th Aug 2026409 AMAQI
14th Aug 20263310 AMAQI
14th Aug 20264211 AMAQI
14th Aug 20261412 PMAQI
14th Aug 2026251 PMAQI
14th Aug 2026232 PMAQI
14th Aug 2026143 PMAQI
14th Aug 2026194 PMAQI
14th Aug 2026235 PMAQI
14th Aug 202686 PMAQI
14th Aug 2026217 PMAQI
14th Aug 2026238 PMAQI
14th Aug 2026179 PMAQI
14th Aug 20262110 PMAQI
14th Aug 20261711 PMAQI
15th Aug 20262912 AMAQI
15th Aug 2026531 AMAQI
15th Aug 2026402 AMAQI
15th Aug 2026533 AMAQI
15th Aug 2026464 AMAQI
23°C19/29°C
15th Aug 2026535 AMAQI
15th Aug 2026506 AMAQI
15th Aug 2026427 AMAQI
15th Aug 2026338 AMAQI
15th Aug 2026449 AMAQI
15th Aug 20264810 AMAQI
15th Aug 20263311 AMAQI
15th Aug 20262312 PMAQI
15th Aug 2026211 PMAQI
15th Aug 2026172 PMAQI
15th Aug 2026123 PMAQI
15th Aug 2026124 PMAQI
15th Aug 2026125 PMAQI
15th Aug 2026166 PMAQI
15th Aug 2026197 PMAQI
15th Aug 2026178 PMAQI
15th Aug 2026219 PMAQI
15th Aug 20262310 PMAQI
15th Aug 20263611 PMAQI
16th Aug 20265212 AMAQI
16th Aug 2026291 AMAQI
16th Aug 2026212 AMAQI
16th Aug 2026213 AMAQI
16th Aug 2026214 AMAQI
24°C19/30°C
16th Aug 2026335 AMAQI
5 AM16th Aug 2026276 AMAQI
16th Aug 2026237 AMAQI
16th Aug 2026278 AMAQI
16th Aug 2026469 AMAQI
16th Aug 20263110 AMAQI
16th Aug 20262911 AMAQI
11 AM16th Aug 20263812 PMAQI
16th Aug 2026251 PMAQI
16th Aug 2026402 PMAQI
16th Aug 2026213 PMAQI
16th Aug 2026364 PMAQI
16th Aug 2026195 PMAQI
16th Aug 2026216 PMAQI
6 PM16th Aug 2026197 PMAQI
16th Aug 2026178 PMAQI
16th Aug 2026389 PMAQI
16th Aug 20262510 PMAQI
16th Aug 20262311 PMAQI
11 PM4 AM
24°C19/30°C
Day time
Avg. Highest Time
9 AM
33AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
7 AM
24AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 AM to 9 AM (Avg. 33), while the lowest AQI was between 7 AM to 7 AM (Avg. 24).
Night time
Avg. Highest Time
1 AM
28AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
4 AM
24AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 1 AM (Avg. 28), while the lowest AQI was between 4 AM to 4 AM (Avg. 24).
2026 Days Vs Air Quality
Phan District, Chiang Rai, Thailand
2026
38%
86
36%
81
14%
33
12%
28
Total number of days with different AQI categories in last 228 days in 2026 (137 days remaining)
Good
86 DaysModerate
81 DaysPoor
33 DaysUnhealthy
28 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 38%
Health Risk Level:
High
In 2026, 38% of 228 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
Phan 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
105AQI (US)
105AQI (US)
2nd January 2026
91AQI (US)
91AQI (US)
3rd January 2026
78AQI (US)
78AQI (US)
4th January 2026
71AQI (US)
71AQI (US)
5th January 2026
69AQI (US)
69AQI (US)
6th January 2026
71AQI (US)
71AQI (US)
7th January 2026
71AQI (US)
71AQI (US)
8th January 2026
72AQI (US)
72AQI (US)
9th January 2026
77AQI (US)
77AQI (US)
10th January 2026
76AQI (US)
76AQI (US)
11th January 2026
89AQI (US)
89AQI (US)
12th January 2026
97AQI (US)
97AQI (US)
13th January 2026
97AQI (US)
97AQI (US)
14th January 2026
97AQI (US)
97AQI (US)
15th January 2026
96AQI (US)
96AQI (US)
16th January 2026
89AQI (US)
89AQI (US)
17th January 2026
85AQI (US)
85AQI (US)
18th January 2026
86AQI (US)
86AQI (US)
19th January 2026
86AQI (US)
86AQI (US)
20th January 2026
85AQI (US)
85AQI (US)
21st January 2026
86AQI (US)
86AQI (US)
22nd January 2026
90AQI (US)
90AQI (US)
23rd January 2026
100AQI (US)
100AQI (US)
24th January 2026
104AQI (US)
104AQI (US)
25th January 2026
101AQI (US)
101AQI (US)
26th January 2026
107AQI (US)
107AQI (US)
27th January 2026
107AQI (US)
107AQI (US)
28th January 2026
107AQI (US)
107AQI (US)
29th January 2026
114AQI (US)
114AQI (US)
30th January 2026
117AQI (US)
117AQI (US)
31st January 2026
114AQI (US)
114AQI (US)
1st February 2026
118AQI (US)
118AQI (US)
2nd February 2026
108AQI (US)
108AQI (US)
3rd February 2026
81AQI (US)
81AQI (US)
4th February 2026
83AQI (US)
83AQI (US)
5th February 2026
92AQI (US)
92AQI (US)
6th February 2026
103AQI (US)
103AQI (US)
7th February 2026
105AQI (US)
105AQI (US)
8th February 2026
101AQI (US)
101AQI (US)
9th February 2026
96AQI (US)
96AQI (US)
10th February 2026
90AQI (US)
90AQI (US)
11th February 2026
94AQI (US)
94AQI (US)
12th February 2026
85AQI (US)
85AQI (US)
13th February 2026
86AQI (US)
86AQI (US)
14th February 2026
87AQI (US)
87AQI (US)
15th February 2026
93AQI (US)
93AQI (US)
16th February 2026
97AQI (US)
97AQI (US)
17th February 2026
99AQI (US)
99AQI (US)
18th February 2026
112AQI (US)
112AQI (US)
19th February 2026
104AQI (US)
104AQI (US)
20th February 2026
74AQI (US)
74AQI (US)
21st February 2026
97AQI (US)
97AQI (US)
22nd February 2026
103AQI (US)
103AQI (US)
23rd February 2026
109AQI (US)
109AQI (US)
24th February 2026
96AQI (US)
96AQI (US)
25th February 2026
51AQI (US)
51AQI (US)
26th February 2026
36AQI (US)
36AQI (US)
27th February 2026
72AQI (US)
72AQI (US)
28th February 2026
85AQI (US)
85AQI (US)
1st March 2026
88AQI (US)
88AQI (US)
2nd March 2026
99AQI (US)
99AQI (US)
3rd March 2026
134AQI (US)
134AQI (US)
4th March 2026
149AQI (US)
149AQI (US)
5th March 2026
154AQI (US)
154AQI (US)
6th March 2026
139AQI (US)
139AQI (US)
7th March 2026
116AQI (US)
116AQI (US)
8th March 2026
113AQI (US)
113AQI (US)
9th March 2026
118AQI (US)
118AQI (US)
10th March 2026
107AQI (US)
107AQI (US)
11th March 2026
91AQI (US)
91AQI (US)
12th March 2026
85AQI (US)
85AQI (US)
13th March 2026
58AQI (US)
58AQI (US)
14th March 2026
71AQI (US)
71AQI (US)
15th March 2026
89AQI (US)
89AQI (US)
16th March 2026
92AQI (US)
92AQI (US)
17th March 2026
82AQI (US)
82AQI (US)
18th March 2026
94AQI (US)
94AQI (US)
19th March 2026
103AQI (US)
103AQI (US)
20th March 2026
89AQI (US)
89AQI (US)
21st March 2026
113AQI (US)
113AQI (US)
22nd March 2026
95AQI (US)
95AQI (US)
23rd March 2026
84AQI (US)
84AQI (US)
24th March 2026
120AQI (US)
120AQI (US)
25th March 2026
141AQI (US)
141AQI (US)
26th March 2026
156AQI (US)
156AQI (US)
27th March 2026
162AQI (US)
162AQI (US)
28th March 2026
162AQI (US)
162AQI (US)
29th March 2026
169AQI (US)
169AQI (US)
30th March 2026
173AQI (US)
173AQI (US)
31st March 2026
172AQI (US)
172AQI (US)
1st April 2026
175AQI (US)
175AQI (US)
2nd April 2026
199AQI (US)
199AQI (US)
3rd April 2026
181AQI (US)
181AQI (US)
4th April 2026
187AQI (US)
187AQI (US)
5th April 2026
191AQI (US)
191AQI (US)
6th April 2026
183AQI (US)
183AQI (US)
7th April 2026
171AQI (US)
171AQI (US)
8th April 2026
157AQI (US)
157AQI (US)
9th April 2026
160AQI (US)
160AQI (US)
10th April 2026
150AQI (US)
150AQI (US)
11th April 2026
156AQI (US)
156AQI (US)
12th April 2026
161AQI (US)
161AQI (US)
13th April 2026
173AQI (US)
173AQI (US)
14th April 2026
174AQI (US)
174AQI (US)
15th April 2026
153AQI (US)
153AQI (US)
16th April 2026
166AQI (US)
166AQI (US)
17th April 2026
170AQI (US)
170AQI (US)
18th April 2026
184AQI (US)
184AQI (US)
19th April 2026
165AQI (US)
165AQI (US)
20th April 2026
157AQI (US)
157AQI (US)
21st April 2026
156AQI (US)
156AQI (US)
22nd April 2026
156AQI (US)
156AQI (US)
23rd April 2026
143AQI (US)
143AQI (US)
24th April 2026
137AQI (US)
137AQI (US)
25th April 2026
119AQI (US)
119AQI (US)
26th April 2026
97AQI (US)
97AQI (US)
27th April 2026
90AQI (US)
90AQI (US)
28th April 2026
75AQI (US)
75AQI (US)
29th April 2026
70AQI (US)
70AQI (US)
30th April 2026
92AQI (US)
92AQI (US)
1st May 2026
87AQI (US)
87AQI (US)
2nd May 2026
95AQI (US)
95AQI (US)
3rd May 2026
78AQI (US)
78AQI (US)
4th May 2026
69AQI (US)
69AQI (US)
5th May 2026
74AQI (US)
74AQI (US)
6th May 2026
62AQI (US)
62AQI (US)
7th May 2026
63AQI (US)
63AQI (US)
8th May 2026
22AQI (US)
22AQI (US)
9th May 2026
54AQI (US)
54AQI (US)
10th May 2026
22AQI (US)
22AQI (US)
11th May 2026
28AQI (US)
28AQI (US)
12th May 2026
19AQI (US)
19AQI (US)
13th May 2026
10AQI (US)
10AQI (US)
14th May 2026
25AQI (US)
25AQI (US)
15th May 2026
24AQI (US)
24AQI (US)
16th May 2026
92AQI (US)
92AQI (US)
17th May 2026
86AQI (US)
86AQI (US)
18th May 2026
69AQI (US)
69AQI (US)
19th May 2026
55AQI (US)
55AQI (US)
20th May 2026
64AQI (US)
64AQI (US)
21st May 2026
70AQI (US)
70AQI (US)
22nd May 2026
66AQI (US)
66AQI (US)
23rd May 2026
38AQI (US)
38AQI (US)
24th May 2026
54AQI (US)
54AQI (US)
25th May 2026
54AQI (US)
54AQI (US)
26th May 2026
40AQI (US)
40AQI (US)
27th May 2026
28AQI (US)
28AQI (US)
28th May 2026
51AQI (US)
51AQI (US)
29th May 2026
21AQI (US)
21AQI (US)
30th May 2026
14AQI (US)
14AQI (US)
31st May 2026
31AQI (US)
31AQI (US)
1st June 2026
44AQI (US)
44AQI (US)
2nd June 2026
54AQI (US)
54AQI (US)
3rd June 2026
56AQI (US)
56AQI (US)
4th June 2026
53AQI (US)
53AQI (US)
5th June 2026
27AQI (US)
27AQI (US)
6th June 2026
15AQI (US)
15AQI (US)
7th June 2026
23AQI (US)
23AQI (US)
8th June 2026
24AQI (US)
24AQI (US)
9th June 2026
26AQI (US)
26AQI (US)
10th June 2026
12AQI (US)
12AQI (US)
11th June 2026
11AQI (US)
11AQI (US)
12th June 2026
5AQI (US)
5AQI (US)
13th June 2026
9AQI (US)
9AQI (US)
14th June 2026
19AQI (US)
19AQI (US)
15th June 2026
16AQI (US)
16AQI (US)
16th June 2026
16AQI (US)
16AQI (US)
17th June 2026
17AQI (US)
17AQI (US)
18th June 2026
20AQI (US)
20AQI (US)
19th June 2026
19AQI (US)
19AQI (US)
20th June 2026
19AQI (US)
19AQI (US)
21st June 2026
13AQI (US)
13AQI (US)
22nd June 2026
12AQI (US)
12AQI (US)
23rd June 2026
14AQI (US)
14AQI (US)
24th June 2026
19AQI (US)
19AQI (US)
25th June 2026
25AQI (US)
25AQI (US)
26th June 2026
31AQI (US)
31AQI (US)
27th June 2026
40AQI (US)
40AQI (US)
28th June 2026
35AQI (US)
35AQI (US)
29th June 2026
25AQI (US)
25AQI (US)
30th June 2026
14AQI (US)
14AQI (US)
1st July 2026
13AQI (US)
13AQI (US)
2nd July 2026
21AQI (US)
21AQI (US)
3rd July 2026
21AQI (US)
21AQI (US)
4th July 2026
19AQI (US)
19AQI (US)
5th July 2026
14AQI (US)
14AQI (US)
6th July 2026
12AQI (US)
12AQI (US)
7th July 2026
18AQI (US)
18AQI (US)
8th July 2026
18AQI (US)
18AQI (US)
9th July 2026
24AQI (US)
24AQI (US)
10th July 2026
18AQI (US)
18AQI (US)
11th July 2026
16AQI (US)
16AQI (US)
12th July 2026
15AQI (US)
15AQI (US)
13th July 2026
9AQI (US)
9AQI (US)
14th July 2026
16AQI (US)
16AQI (US)
15th July 2026
21AQI (US)
21AQI (US)
16th July 2026
26AQI (US)
26AQI (US)
17th July 2026
31AQI (US)
31AQI (US)
18th July 2026
56AQI (US)
56AQI (US)
19th July 2026
57AQI (US)
57AQI (US)
20th July 2026
41AQI (US)
41AQI (US)
21st July 2026
37AQI (US)
37AQI (US)
22nd July 2026
14AQI (US)
14AQI (US)
23rd July 2026
24AQI (US)
24AQI (US)
24th July 2026
25AQI (US)
25AQI (US)
25th July 2026
34AQI (US)
34AQI (US)
26th July 2026
26AQI (US)
26AQI (US)
27th July 2026
24AQI (US)
24AQI (US)
28th July 2026
26AQI (US)
26AQI (US)
29th July 2026
26AQI (US)
26AQI (US)
30th July 2026
15AQI (US)
15AQI (US)
31st July 2026
16AQI (US)
16AQI (US)
1st August 2026
28AQI (US)
28AQI (US)
2nd August 2026
27AQI (US)
27AQI (US)
3rd August 2026
26AQI (US)
26AQI (US)
4th August 2026
29AQI (US)
29AQI (US)
5th August 2026
28AQI (US)
28AQI (US)
6th August 2026
22AQI (US)
22AQI (US)
7th August 2026
23AQI (US)
23AQI (US)
8th August 2026
15AQI (US)
15AQI (US)
9th August 2026
16AQI (US)
16AQI (US)
10th August 2026
28AQI (US)
28AQI (US)
11th August 2026
17AQI (US)
17AQI (US)
12th August 2026
19AQI (US)
19AQI (US)
13th August 2026
23AQI (US)
23AQI (US)
14th August 2026
25AQI (US)
25AQI (US)
15th August 2026
31AQI (US)
31AQI (US)
16th August 2026
28AQI (US)
28AQI (US)
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
91AQI (US)
91AQI (US)
117AQI (US)
152AQI (US)
50AQI (US)
24AQI (US)
24AQI (US)
24AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202674AQI (US)
22
9
1
18
9
13
11
7
5
4
21
13
18
27
3
29
2
16
86
81
33
28
Highest AQI (US) recorded in
April152AQI (US)
Lowest AQI (US) recorded in
August24AQI (US)
202576AQI (US)
30
1
20
8
9
18
4
17
11
2
15
16
13
9
8
31
26
5
21
9
3
28
9
20
1
25
6
103
187
69
6
Highest AQI (US) recorded in
March117AQI (US)
Lowest AQI (US) recorded in
September43AQI (US)
202479AQI (US)
5
17
7
3
2
3
2
2
15
6
10
12
2
1
5
1
23
7
31
30
2
1
9
4
5
25
31
110
88
23
28
11
1
Highest AQI (US) recorded in
March183AQI (US)
Lowest AQI (US) recorded in
July36AQI (US)
2023109AQI (US)
2
8
11
9
1
3
2
5
14
3
1
15
1
8
4
3
3
7
16
4
1
18
9
3
19
11
18
9
4
10
12
20
9
7
23
1
77
82
61
42
24
8
Highest AQI (US) recorded in
April246AQI (US)
Lowest AQI (US) recorded in
July24AQI (US)
202278AQI (US)
3
6
24
5
7
6
32
7
Highest AQI (US) recorded in
December102AQI (US)
Lowest AQI (US) recorded in
November68AQI (US)
Most & Least Polluted Years Over the Last 5 Years
Most Polluted Year Recorded
2023(Avg.)
109AQI (US)Least Polluted Year Recorded
2026(Avg.)
74AQI (US)Phan District's annual 2026 AQI (US) (74) shows an average percentage change of -11.5% (improved AQI (US)) compared to previous years: 2022 (78), 2023 (109), 2024 (79), 2025 (76).
