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Air Quality


Forecast 


Source: Metropolitan Washington Council of Governments

  • For daily Air Quality Index forecasts:
    • Subscribe to alerts
    • Call 703-FAIRFAX (703-324-7329), TTY 711
    • Call the Air Quality Hotline at 202-962-3299, TTY 711

 

On Code Red Days

  • Children, the elderly and people with heart or respiratory ailments, emphysema, asthma or chronic bronchitis should reduce outdoor activities.

  • Healthy individuals should limit strenuous outdoor work or exercise and outdoor activities.

  • Use mass transit, including Fairfax Connector. Please note the Northern Virginia Transportation Commission has decided to discontinue the Code Red-Ride Free program this year effective May 1.

 

Air Quality Index Codes 

  Good -- Green

Enjoy outdoor activities ...

  • Carpool, use public transit, bike or walk
  • Keep engines tuned
  • Use environmentally friendly products
  Moderate -- Yellow

Some pollution in the air ...

  • Limit driving, consolidate trips
  • Reduce car idling
  • Conserve electricity, set A/C to 78 degrees
  Unhealthy for Sensitive Groups -- Orange

Children and adults with respiratory and heart sensitivity should limit outdoor activity ...

  • Refuel after dusk, use fuel-efficient vehicles
  • Avoid driving, use transit, telework
  • Avoid using aerosol products
  Unhealthy -- Red

Unhealthy for everyone ...

  • Avoid lawn mowing or use electric mowers
  • Put off painting until air quality improves
  • Limit strenuous outdoor activities
  Very Unhealthy -- Purple

Very unhealthy for everyone ...

  • Avoid outdoor physical activities, especially sensitive groups

 



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