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, 11
Dec, 12
Dec, 13
Dec, 14
Dec, 15
Dec, 16
Today
TOP 10 PROVINCES
STANDARD AQI (US)
BEST
WORST
1. Yala
21
2. Trang
25
3. Narathiwat
25
4. Ubon Ratchathani
29
5. Phatthalung
29
6. Mae Hong Son
31
7. Chanthaburi
33
8. Mukdahan
33
9. Satun
33
10. Nakhon Si Thammarat
37
FORECAST
PM 2.5 AQI (US)
December, 17 2025
350
300
250
200
150
100
50
0
0:00
6:00
12:00
18:00
Thu
Fri
Sat
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.
