US AQI
TH AQI
LOCATION COMPARISON
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7 DAYS AGO
STANDARD AQI (US)
350
300
250
200
150
100
50
0
May, 17
May, 18
May, 19
May, 20
May, 21
May, 22
Today
TOP 10 PROVINCES
STANDARD AQI (US)
BEST
WORST
1. Chumphon
12
2. Bueng Kan
12
3. Mae Hong Son
28
4. Surin
29
5. Prachuap Khiri Khan
29
6. Krabi
29
7. Phangnga
29
8. Chiang Mai
32
9. Phra Nakhon Si Ayutthaya
33
10. Nonthaburi
33
FORECAST
PM 2.5 AQI (US)
May, 23 2026
350
300
250
200
150
100
50
0
0:00
6:00
12:00
18:00
Sun
Mon
Tue





