Air Quality Alert: Fairfax; Arlington/Falls Church/Alexandria; Western Loudoun; Eastern Loudoun; Northwest Prince William; Central and Southeast Prince William/Manassas/Manassas Park

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Air Quality Alert — Fairfax; Arlington/Falls Church/Alexandria; Western Loudoun; Eastern Loudoun; Northwest Prince William; Central and Southeast Prince William/Manassas/Manassas Park Severity: Unknown. Certainty: Unknown. The Virginia Department of Environmental Quality has issued a Code ORANGE Air Quality Alert Thursday for Northern Virginia. A Code Orange Air Quality Alert means that air pollution concentrations within the region may become unhealthy for sensitive groups. Sensitive groups include children, people suffering from asthma, heart disease or other lung diseases and the elderly. The effects of air pollution can be minimized by avoiding strenuous activity or exercise outdoors. For more information on ground-level ozone and fine particles visit the web site Virginia DEQ air quality web site at www.deq.virginia.gov