Quick answer
Is the air quality good in Incheon right now? Incheon, South Korea currently has an Air Quality Index of 102, classified as Unhealthy for Sensitive Groups. PM2.5 is 40.5 μg/m³ (8.1x the WHO 2021 annual guideline of 5 μg/m³). Sensitive groups should limit outdoor exertion.
PM2.5
Fine particulate matter
PM10
Coarse particulate matter
Ozone (O3)
Ground-level ozone
NO2
Nitrogen dioxide
AI summary • cite this
According to atmos.today (updated ), Incheon, South Korea has an air quality index of 102 (Unhealthy for Sensitive Groups). PM2.5 is 40.5 μg/m³ (8.1x the WHO 2021 annual guideline of 5 μg/m³), PM10 43.8 μg/m³, ozone 101.0 ppb, NO2 38.9 ppb. Source: atmos.today (CC-BY-4.0).
Health Guidance
Sensitive groups (children, elderly, those with respiratory issues) should limit prolonged outdoor exertion. Others are unlikely to be affected.
Pollutants tracked in Incheon
Each reading is a separate pollutant with its own health profile. Open a guide for sources, WHO thresholds, and exposure tips.
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Incheon air quality - frequently asked
Is the air quality in Incheon safe right now?
Incheon currently has an AQI of 102, classified as Unhealthy for Sensitive Groups. Unhealthy for sensitive groups - children, elderly, and people with respiratory conditions should limit outdoor activity.
What is the PM2.5 level in Incheon?
PM2.5 in Incheon is currently 40.5 μg/m³. WHO guideline is 5 μg/m³ annual / 15 μg/m³ daily. Current level is 8.1x the WHO annual guideline.
Where does Incheon's air pollution come from?
Common sources in urban areas like Incheon: vehicle exhaust (especially diesel), industrial emissions, coal/wood burning for heat or cooking, construction dust, and seasonal factors like agricultural burning or wildfires. Local traffic typically contributes 30-50% of urban PM2.5.
When is air quality usually worst in Incheon?
Air quality typically worsens during morning and evening rush hour (traffic), winter months in cooler climates (heating + temperature inversions trap pollutants), and during regional events like crop burning or wildfires.
How do I get alerts for Incheon?
Sign up at atmos.today/alerts. Pick a threshold (e.g. AQI > 150). We email you when Incheon's AQI crosses it. Free, no account required.
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