US AQI
TH AQI
LOCATION COMPARISON
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7 DAYS AGO
STANDARD AQI (US)
350
300
250
200
150
100
50
0
Jun, 26
Jun, 27
Jun, 28
Jun, 29
Jun, 30
Jul, 1
Today
TOP 10 PROVINCES
STANDARD AQI (US)
BEST
WORST
1. Mae Hong Son
8
2. Bueng Kan
8
3. Phra Nakhon Si Ayutthaya
12
4. Phitsanulok
12
5. Songkhla
12
6. Phichit
13
7. Chanthaburi
16
8. Sing Buri
17
9. Nakhon Nayok
17
10. Roi Et
17
FORECAST
PM 2.5 AQI (US)
July, 2 2026
350
300
250
200
150
100
50
0
0:00
6:00
12:00
18:00
Fri
Sat
Sun
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.
