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, 29
Apr, 30
May, 1
May, 2
May, 3
May, 4
Today
TOP 10 PROVINCES
STANDARD AQI (US)
BEST
WORST
1. Ranong
29
2. Trang
33
3. Yala
33
4. Nonthaburi
35
5. Sakon Nakhon
37
6. Krabi
37
7. Phatthalung
37
8. Narathiwat
37
9. Chanthaburi
42
10. Nakhon Phanom
42
FORECAST
PM 2.5 AQI (US)
May, 5 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.
