US AQI
TH AQI
LOCATION COMPARISON
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7 DAYS AGO
STANDARD AQI (US)
350
300
250
200
150
100
50
0
Dec, 19
Dec, 20
Dec, 21
Dec, 22
Dec, 23
Dec, 24
Today
TOP 10 PROVINCES
STANDARD AQI (US)
BEST
WORST
1. Phayao
37
2. Satun
37
3. Narathiwat
37
4. Nakhon Phanom
42
5. Uttaradit
42
6. Nakhon Si Thammarat
42
7. Trang
42
8. Phatthalung
42
9. Si Sa Ket
43
10. Surat Thani
43
FORECAST
PM 2.5 AQI (US)
December, 25 2025
350
300
250
200
150
100
50
0
0:00
6:00
12:00
18:00
Fri
Sat
Sun
DISCOVER
OUR SENSOR
OUR SENSOR
Check the real-time PM2.5, PM10, and AQI in your area with the dust sensor developed by the Faculty of Engineering, Chulalongkorn University. Track your air quality with our dashboard showing the real-time data that can calculate the Air Quality Index (AQI) in real-time format or standard formats of both Thai and US AQI.
