OFFICIAL · Air4Thai / PCD
Yupparaj Wittayalai School
21TH AQI
PM2.512.4 µg/m³
Measured18:00 · 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.
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LIVE
OFFICIAL · Air4Thai / PCD
Chiang Mai City Hall
40TH AQI
PM2.520.8 µg/m³
Measured18:00 · 28 Oct
LOCAL SENSOR · CMU DustBoy / CMU CCDC
DustBoy 3145
19.0PM2.5 µg/m³
Low PM2.5
PM1019.0 µg/m³
Measured17:00 · 28 Oct
LOCAL SENSOR · CMU DustBoy / CMU CCDC
DustBoy 4445
14.0PM2.5 µg/m³
Low PM2.5
PM1015.0 µg/m³
Measured17:00 · 28 Oct
LOCAL SENSOR · CMU DustBoy / CMU CCDC
DustBoy 12
12.0PM2.5 µg/m³
Low PM2.5
PM1014.0 µg/m³
Measured17:00 · 28 Oct
LOCAL SENSOR · CMU DustBoy / CMU CCDC
DustBoy 4
17.0PM2.5 µg/m³
Low PM2.5
PM1018.0 µg/m³
Measured17:00 · 28 Oct
LOCAL SENSOR · CMU DustBoy / CMU CCDC
DustBoy 5263
6.0PM2.5 µg/m³
Low PM2.5
PM106.0 µg/m³
Measured17:00 · 28 Oct
LOCAL SENSOR · CMU DustBoy / CMU CCDC
DustBoy 5264
16.0PM2.5 µg/m³
Low PM2.5
PM1016.0 µg/m³
Measured14:00 · 28 Oct