Compare Air Quality
Enter up to 4 cities to compare AQI side by side.
Cleanest air
Seoul
AQI 95
Most polluted
Seoul
AQI 95
Seoul — Health Advice
Moderate
Air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution.
General Public: Air quality is acceptable for most people.
Children: Unusually sensitive children should limit prolonged outdoor play.
Heart Conditions: Unusually sensitive people should consider reducing exertion.
Tokyo — Health Advice
Moderate
Air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution.
General Public: Air quality is acceptable for most people.
Children: Unusually sensitive children should limit prolonged outdoor play.
Heart Conditions: Unusually sensitive people should consider reducing exertion.
Beijing — Health Advice
Moderate
Air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution.
General Public: Air quality is acceptable for most people.
Children: Unusually sensitive children should limit prolonged outdoor play.
Heart Conditions: Unusually sensitive people should consider reducing exertion.
Shanghai — Health Advice
Moderate
Air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution.
General Public: Air quality is acceptable for most people.
Children: Unusually sensitive children should limit prolonged outdoor play.
Heart Conditions: Unusually sensitive people should consider reducing exertion.