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, 15
Dec, 16
Dec, 17
Dec, 18
Dec, 19
Dec, 20
Today
TOP 10 PROVINCES
STANDARD AQI (US)
BEST
WORST
1. Ubon Ratchathani
36
2. Chanthaburi
37
3. Nakhon Ratchasima
37
4. Krabi
37
5. Si Sa Ket
39
6. Yala
42
7. Narathiwat
42
8. Nakhon Si Thammarat
43
9. Tak
44
10. Phichit
44
FORECAST
PM 2.5 AQI (US)
December, 21 2025
350
300
250
200
150
100
50
0
0:00
6:00
12:00
18:00
Mon
Tue
Wed
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.
