Air Quality Forecast


Click here for current conditions issued by the N.C. Division of Air Quality.


The Air Quality Forecast is based on the Air Quality Index (AQI):


Air Quality


AQI


Precautionary Measures

Good
1-50
No health impacts are expected when air quality is in this range.
Moderate
51-100
Unusually sensitive people should consider limiting prolonged outdoor exertion.
Slightly Unhealthy
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

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.

The N.C. Division of Air Quality issues daily air quality forecasts for the Triangle and other metropolitan areas of the state. The forecasts are part of the N.C. Air Awareness Program, a voluntary effort aimed at reducing ozone in the state's major metropolitan areas. As part of this program, air quality officials are asking residents of the Triangle and surrounding counties to help reduce air pollution on days with poor air quality, known as Air Quality Action Days, by taking some of the following actions:

  • Limit driving by riding the bus, walking, bicycling or postponing trips.
  • If you drive, avoid idling for long periods of time, stay within speed limits, combine errands to reduce the number of small trips, and use vehicles with higher fuel economies.
  • Conserve electricity by setting thermostats at the highest comfortable temperature and turning off appliances that are not in use.
  • Postpone lawn mowing until after 6 p.m. or use electric or hand-powered lawn care equipment.

Click here to learn more about ozone.


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