US AQI
TH AQI
LOCATION COMPARISON
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7 DAYS AGO
STANDARD AQI (US)
350
300
250
200
150
100
50
0
Sep, 16
Sep, 17
Sep, 18
Sep, 19
Sep, 20
Sep, 21
Today
TOP 10 PROVINCES
STANDARD AQI (US)
BEST
WORST
1. Surin
12
2. Nakhon Phanom
12
3. Loei
17
4. Roi Et
17
5. Mae Hong Son
17
6. Phitsanulok
17
7. Ubon Ratchathani
21
8. Sakon Nakhon
21
9. Phayao
21
10. Kamphaeng Phet
21
FORECAST
PM 2.5 AQI (US)
September, 22 2025
350
300
250
200
150
100
50
0
0:00
6:00
12:00
18:00
Tue
Wed
Thu