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, 11
May, 12
May, 13
May, 14
May, 15
May, 16
Today
TOP 10 PROVINCES
STANDARD AQI (US)
BEST
WORST
1. Phitsanulok
12
2. Kamphaeng Phet
17
3. Nonthaburi
19
4. Prachuap Khiri Khan
19
5. Sukhothai
21
6. Phichit
21
7. Chumphon
21
8. Mae Hong Son
24
9. Chanthaburi
25
10. Surin
25
FORECAST
PM 2.5 AQI (US)
May, 17 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.
