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Posted July 16, 2008 | Copyright © The Northern Virginia Daily
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Code Orange air quality alert for Thursday

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Valley AIRNow Air Quality Outreach Program reports that weather conditions are favorable for a Code Orange air quality alert on Thursday afternoon and evening.

A Code Orange indicates that air quality is unhealthy for some people sensitive to ozone.

The air quality spectrum:

  • Green, 0-50, good

  • Yellow, 51-100, moderate

  • Orange, 100-151, unhealthy for sensitive people

  • Red, 151-200, unhealthy

  • Purple, 201-500, very unhealthy

Recommendations and tips while under Code Orange:

  • Active children and adults: limit or reduce outdoor activity during the afternoon and early evening hours. Ozone can irritate your respiratory system, reduce lung function, and aggravate asthma - and ozone damage to your body can occur without obvious symptoms.

  • For those with compromised respiratory systems, limit outdoor activity.

  • Carpool, bicycle to work to reduce ground-level ozone. Telecommute.

  • Refuel vehicles in the evening to limit fumes mixing with sun light to produce harmful ozone - and don't "top off" the tank, allowing fumes to escape.

  • Delay mowing with gas-powered mowers or using other heavy equipment that may emit pollution.

  • Avoid drive-through windows at restaurants, banks, cleaners, etc.

  • Note: An idling engine can emit pollution into the air

For more info, visit www.valleyairnow.com

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