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, 28
Apr, 29
Apr, 30
May, 1
May, 2
May, 3
Today
TOP 10 PROVINCES
STANDARD AQI (US)
BEST
WORST
1. Phangnga
17
2. Krabi
25
3. Trang
29
4. Ranong
33
5. Phatthalung
33
6. Yala
33
7. Nakhon Si Thammarat
37
8. Narathiwat
37
9. Chanthaburi
42
10. Phuket
42
FORECAST
PM 2.5 AQI (US)
May, 4 2026
350
300
250
200
150
100
50
0
0:00
6:00
12:00
18:00
Tue
Wed
Thu
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.
