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, 13
May, 14
May, 15
May, 16
May, 17
May, 18
Today
TOP 10 PROVINCES
STANDARD AQI (US)
BEST
WORST
1. Yasothon
12
2. Krabi
12
3. Chumphon
12
4. Loei
17
5. Surin
21
6. Kamphaeng Phet
21
7. Nakhon Si Thammarat
21
8. Phangnga
21
9. Phuket
21
10. Surat Thani
21
FORECAST
PM 2.5 AQI (US)
May, 19 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.
