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, 17
May, 18
May, 19
May, 20
May, 21
May, 22
Today
TOP 10 PROVINCES
STANDARD AQI (US)
BEST
WORST
1. Chumphon
12
2. Bueng Kan
17
3. Phra Nakhon Si Ayutthaya
25
4. Mae Hong Son
28
5. Surin
29
6. Phichit
29
7. Prachuap Khiri Khan
29
8. Phangnga
29
9. Nonthaburi
31
10. Nakhon Nayok
33
FORECAST
PM 2.5 AQI (US)
May, 23 2026
350
300
250
200
150
100
50
0
0:00
6:00
12:00
18:00
Sun
Mon
Tue
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.
