Chiang Mai — Air Quality (เชียงใหม่)

Thailand, Asia. US AQI: 40 (Good). Air Quality Score: 84.8/100. Dominant pollutant: PM2.5.

Last updated: · Updated hourly

Quanteta Scores

US AQI 0 Rank 12 / 50
Air Quality Score 0/100 Rank 28 / 50
Breathability 0/100 Rank 29 / 50

City Info

City ID
aq-chiang-mai
Country
Thailand (TH)
Region
Asia
Population
131,000
Coordinates
18.7883, 98.9853
Timezone
Asia/Bangkok
AQI Level
Good
EU AQI
19
Dominant Pollutant
PM2.5
Measured At
2026-05-24T14:00Z

Pollutant Concentrations

Pollutant Concentration
PM2.5 Dominant 14.7 μg/m³
PM10 15.3 μg/m³
O3 15.0 μg/m³
NO2 26.6 μg/m³
SO2 5.6 μg/m³
CO 686.0 μg/m³
PM2.5: 1.9% PM10: 2.0% O3: 2.0% NO2: 3.5% SO2: 0.7% CO: 89.9% Air Quality