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, 18
Sep, 19
Sep, 20
Sep, 21
Sep, 22
Sep, 23
Today
TOP 10 PROVINCES
STANDARD AQI (US)
BEST
WORST
1. Mae Hong Son
8
2. Phitsanulok
12
3. Chumphon
12
4. Roi Et
17
5. Nakhon Phanom
17
6. Phichit
17
7. Phra Nakhon Si Ayutthaya
21
8. Surin
21
9. Loei
21
10. Sakon Nakhon
21
FORECAST
PM 2.5 AQI (US)
September, 24 2025
350
300
250
200
150
100
50
0
0:00
6:00
12:00
18:00
Thu
Fri
Sat