Mission China
Beijing (Ozone)

Beijing - Ozone

Past 24-hour Ozone AQI was No Data
Most Recent Ozone AQI
--
-- AQI
No Data
if at this level for 24 Hours
Concentration: -- ppb

Air Quality Guide for Ozone

Air Quality Index (AQI) PM2.5 Health Effects Statement PM2.5 Cautionary Statement
Good
(0-50)
Ozone air pollution poses little or no risk. Itís a great day to be active outside.
Moderate
(51-100)
Some people who may be unusually sensitive to ozone. Unusually sensitive people: Consider reducing prolonged or heavy outdoor exertion. Watch for symptoms such as coughing or shortness of breath. These are signs to take it a little easier.
 
Everyone else: Itís a good day to be active outside.
Unhealthy for Sensitive Groups
(101-150)
Sensitive groups include people with lung disease such as asthma, older adults, children and teenagers, and people who are active outdoors. Sensitive groups: Reduce prolonged or heavy outdoor exertion. Take more breaks, do less intense activities. Watch for symptoms such as coughing or shortness of breath. Schedule outdoor activities in the morning when ozone is lower.
 
People with asthma should follow their asthma action plans and keep quick relief medicine handy.
Unhealthy
(151-200)
Everyone Sensitive groups: Avoid prolonged or heavy outdoor exertion. Schedule outdoor activities in the morning when ozone is lower. Consider moving activities indoors.
 
People with asthma, keep quick-relief medicine handy.
 
Everyone else: Reduce prolonged or heavy outdoor exertion. Take more breaks, do less intense activities. Schedule outdoor activities in the morning when ozone is lower.
Very Unhealthy
(201-300)
Everyone Sensitive groups: Avoid all physical activity outdoors. Move activities indoors or reschedule to a time when air quality is better.
 
People with asthma, keep quick-relief medicine handy.
 
Everyone else: Avoid prolonged or heavy outdoor exertion. Schedule outdoor activities in the morning when ozone is lower. Consider moving activities indoors.
Hazardous
(301-500)
Everyone Avoid all physical activity outdoors.
Beyond Index
(>500)
Avoid all physical activity outdoors.