Mission China
Chengdu

Chengdu - PM2.5

Past 24-hour AQI was Unhealthy for Sensitive Groups
Most Recent AQI
Nov 28, 2014 1 AM
158 AQI
Unhealthy
if at this level for 24 Hours
Concentration: 69.0 µg/m³

Air Quality Guide for PM2.5

Air Quality Index (AQI) PM2.5 Health Effects Statement PM2.5 Cautionary Statement
Good
(0-50)
PM2.5 air pollution poses little or no risk. None
Moderate
(51-100)
Unusually sensitive individuals may experience respiratory symptoms. Unusually sensitive people should consider limiting prolonged outdoor exertion.
Unhealthy for Sensitive Groups
(101-150)
Increasing likelihood of respiratory symptoms in sensitive individuals, aggravation of heart or lung disease and premature mortality in persons with cardiopulmonary disease and the elderly. Active children and adults, and people with respiratory disease, such as asthma, should limit prolonged outdoor exertion.
Unhealthy
(151-200)
Increased aggravation of heart or lung disease and premature mortality in persons with cardiopulmonary disease and the elderly; increased respiratory effects in general population. Active children and adults, and people with respiratory disease, such as asthma, should avoid prolonged outdoor exertion; everyone else, especially children, should limit prolonged outdoor exertion.
Very Unhealthy
(201-300)
Significant aggravation of heart or lung disease and premature mortality in persons with cardiopulmonary disease and the elderly; significant increase in respiratory effects in general population. Active children and adults, and people with respiratory disease, such as asthma, should avoid all outdoor exertion; everyone else, especially children, should limit outdoor exertion.
Hazardous
(301-500)
Serious aggravation of heart or lung disease and premature mortality in persons with cardiopulmonary disease and the elderly; serious risk of respiratory effects in general population. Everyone should avoid all outdoor exertion.
Beyond Index
(>500)
Extremely High Levels of PM2.5: Steps to Reduce Your Exposure – Click Here