OFFICIAL · Air4Thai / PCD
Yupparaj Wittayalai School
21TH AQI
PM2.512.5 µg/m³
Measured19:00 · 28 Oct
Air-quality stations
Official Air4Thai and supplementary CMU DustBoy observations in Mueang Chiang Mai.
Station map
Official Local
Local marker colours show PM2.5 concentration, not AQI.
Map © OpenStreetMap contributors. Tiles require internet and are not cached.
LIVE
OFFICIAL · Air4Thai / PCD
Chiang Mai City Hall
40TH AQI
PM2.520.9 µg/m³
Measured19:00 · 28 Oct
LOCAL SENSOR · CMU DustBoy / CMU CCDC
DustBoy 3145
29.0PM2.5 µg/m³
Moderate PM2.5
PM1030.0 µg/m³
Measured18:00 · 28 Oct
LOCAL SENSOR · CMU DustBoy / CMU CCDC
DustBoy 4445
23.0PM2.5 µg/m³
Low PM2.5
PM1024.0 µg/m³
Measured18:00 · 28 Oct
LOCAL SENSOR · CMU DustBoy / CMU CCDC
DustBoy 12
17.0PM2.5 µg/m³
Low PM2.5
PM1019.0 µg/m³
Measured18:00 · 28 Oct
LOCAL SENSOR · CMU DustBoy / CMU CCDC
DustBoy 4
30.0PM2.5 µg/m³
Moderate PM2.5
PM1034.0 µg/m³
Measured18:00 · 28 Oct
LOCAL SENSOR · CMU DustBoy / CMU CCDC
DustBoy 5263
7.0PM2.5 µg/m³
Low PM2.5
PM107.0 µg/m³
Measured18:00 · 28 Oct
LOCAL SENSOR · CMU DustBoy / CMU CCDC
DustBoy 5264
16.0PM2.5 µg/m³
Low PM2.5
PM1017.0 µg/m³
Measured18:00 · 28 Oct