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, 18
May, 19
May, 20
May, 21
May, 22
May, 23
Today
TOP 10 PROVINCES
STANDARD AQI (US)
BEST
WORST
1. Mae Hong Son
18
2. Nonthaburi
21
3. Phangnga
21
4. Kamphaeng Phet
25
5. Prachuap Khiri Khan
25
6. Krabi
25
7. Chumphon
25
8. Trang
25
9. Phatthalung
25
10. Yala
25
FORECAST
PM 2.5 AQI (US)
May, 24 2026
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.
