Everyone may begin to experience effects; sensitive groups may see more serious ones.
Updated 02:00 AM · European AQI 73
Fine particulate matter that penetrates deep into the lungs.
Coarse particulate matter from dust and pollen.
Carbon monoxide, mostly from vehicle exhaust.
Nitrogen dioxide, a traffic-related irritant.
Ground-level ozone formed in sunny, warm conditions.
Sulphur dioxide, mainly from industrial sources.
Avoid outdoor activities
Everyone may begin to feel effects.
Sensitive groups should avoid outdoor exertion.
Avoid prolonged outdoor activity; move workouts indoors.
Wear an N95 or KF94 mask outdoors.