Air Quality
Air Quality Index
Protect Your Health
Good
0-50
No health impacts are expected when air quality is in this range.
Moderate
51-100
Unusually sensitive people should consider limiting prolonged outdoor exertion.
Unhealthy for
Sensitive Groups
101-150
Active children and adults, and people with respiratory disease, such as asthma, should limit prolonged outdoor exertion.
Unhealthy
151-200
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
(Alert)
201-300
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.