US AQI
TH AQI
LOCATION COMPARISON
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7 DAYS AGO
STANDARD AQI (US)
350
300
250
200
150
100
50
0
Apr, 15
Apr, 16
Apr, 17
Apr, 18
Apr, 19
Apr, 20
Today
TOP 10 PROVINCES
STANDARD AQI (US)
BEST
WORST
1. Trang
50
2. Yala
53
3. Nakhon Si Thammarat
55
4. Phuket
55
5. Surat Thani
55
6. Chumphon
55
7. Songkhla
55
8. Satun
55
9. Narathiwat
55
10. Chanthaburi
57
FORECAST
PM 2.5 AQI (US)
April, 21 2026
350
300
250
200
150
100
50
0
0:00
6:00
12:00
18:00
Wed
Thu
Fri
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.
