One product issued by NWS for: Fairfax VA
Air Quality Alert
VAZ053-054-505-506-526-527-190400- Fairfax-Western Loudoun-Eastern Loudoun-Northwest Prince William- Central and Southeast Prince William/Manassas/Manassas Park- Arlington/Falls Church/Alexandria- 440 PM EDT Fri Jul 17 2026 ...AIR QUALITY ALERT CONTINUES THROUGH SATURDAY JULY 18 2026... The Virginia Department of Environmental Quality has issued a Code ORANGE Air Quality Alert Saturday for Northern Virginia. Concentrations of fine particulate matter due to wildfire smoke will persist at levels consistent with an Air Quality Index of Unhealthy (Red Alert) to Very Unhealthy (Purple Alert) Friday night into Saturday morning. Air quality begins to improve Saturday afternoon. Code Purple and Code Red Air Quality Alerts mean that air pollution concentrations within the region are unhealthy to very unhealthy for the general population. 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 $$