Seoul — Air Quality (서울)

South Korea, Asia. US AQI: 102 (Unhealthy for Sensitive Groups). Air Quality Score: 64.8/100. Dominant pollutant: PM2.5.

Last updated: · Updated hourly

Quanteta Scores

US AQI 0 Rank 42 / 50
Air Quality Score 0/100 Rank 44 / 50
Breathability 0/100 Rank 43 / 50

City Info

City ID
aq-seoul
Country
South Korea (KR)
Region
Asia
Population
9,776,000
Coordinates
37.5665, 126.978
Timezone
Asia/Seoul
AQI Level
Unhealthy for Sensitive Groups
EU AQI
69
Dominant Pollutant
PM2.5
Measured At
2026-05-24T08:00Z

Pollutant Concentrations

Pollutant Concentration
PM2.5 Dominant 36.7 μg/m³
PM10 45.9 μg/m³
O3 124.0 μg/m³
NO2 24.8 μg/m³
SO2 26.5 μg/m³
CO 221.0 μg/m³
PM2.5: 7.7% PM10: 9.6% O3: 25.9% NO2: 5.2% SO2: 5.5% CO: 46.1% Air Quality
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