Seoul — Air Quality (서울)

South Korea, Asia. US AQI: 42 (Good). Air Quality Score: 84.5/100. Dominant pollutant: NO2.

Last updated: · Updated hourly

Quanteta Scores

US AQI 0 Rank 16 / 50
Air Quality Score 0/100 Rank 32 / 50
Breathability 0/100 Rank 32 / 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
Good
EU AQI
20
Dominant Pollutant
NO2
Measured At
2026-07-09T14:00Z

Pollutant Concentrations

Pollutant Concentration
PM2.5 11.6 μg/m³
PM10 12.5 μg/m³
O3 21.0 μg/m³
NO2 Dominant 41.0 μg/m³
SO2 16.4 μg/m³
CO 187.0 μg/m³
PM2.5: 4.0% PM10: 4.3% O3: 7.3% NO2: 14.2% SO2: 5.7% CO: 64.6% Air Quality
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