Air Quality
Fair
97
Integrated environmental index for this region is 97, which is fair.
PM10 Seoul
Fair
PM10(PM10)58㎍/㎥
Ultrafine dust level: fair, caution.
Bad
PM2.5(PM2.5)41㎍/㎥
Ultrafine dust level: Bad, mask recommended.
US AQI & WHO
Fair
PM10(PM10)58㎍/㎥
Bad
PM2.5(PM25)41㎍/㎥
Pollutants
Good
NO₂ (Nitrogen dioxide)0.0399ppm
Good
O₃ (Ozone)0.0232ppm
Good
SO₂ (Sulfur dioxide)0.0033ppm
Good
CO (Carbon monoxide)0.67ppm
Pollutants Standard
Nitrogen dioxide
Nitrogen dioxide is a nitrogen compound air pollutant generated from industrial combustion and chemical processes. Exposure to high concentrations can negatively affect mucous membranes and bronchi and lungs.
Good
0.03
Fair
0.06
Bad
0.2
Very bad
0.201~
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