Data source: National Weather Service (NWS) Last verified: July 19, 2026

Air Quality

Air Quality Alert (ADVISORY) - expires July 19, 2026 at 12:00 AM EDT

Areas affected: Augusta; Rockingham; Shenandoah; Page; Warren; Nelson; Albemarle; Greene; Madison; Rappahannock; Orange; Culpeper; Stafford; Spotsylvania; King George; Northern Fauquier; Southern Fauquier; Western Highland; Eastern Highland; Northern Virginia Blue Ridge; Central Virginia Blue Ridge

Air Quality Alert issued July 18 at 1:55AM EDT by NWS Baltimore MD/Washington DC

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

Source: NWS Baltimore MD/Washington DC

Air Quality Alert (ADVISORY) - expires July 19, 2026 at 12:00 AM EDT

Areas affected: Augusta; Rockingham; Shenandoah; Page; Warren; Nelson; Albemarle; Greene; Madison; Rappahannock; Orange; Culpeper; Stafford; Spotsylvania; King George; Northern Fauquier; Southern Fauquier; Western Highland; Eastern Highland; Northern Virginia Blue Ridge; Central Virginia Blue Ridge

Air Quality Alert issued July 17 at 7:54PM EDT by NWS Baltimore MD/Washington DC

The Virginia Department of Environmental Quality has issued a Code PURPLE Air Quality Alert Friday for Northwestern and Central 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.

A Code Purple Air Quality Alert means that air pollution concentrations within the region are very unhealthy for the general population. The risk of health effects is increased for everyone. 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

Source: NWS Baltimore MD/Washington DC

Air Quality Alert (ADVISORY) - expires July 19, 2026 at 12:00 AM EDT

Areas affected: Fairfax; Arlington/Falls Church/Alexandria; Western Loudoun; Eastern Loudoun; Northwest Prince William; Central and Southeast Prince William/Manassas/Manassas Park

Air Quality Alert issued July 17 at 4:40PM EDT by NWS Baltimore MD/Washington DC

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

Source: NWS Baltimore MD/Washington DC

Air Quality Alert (ADVISORY) - expires July 19, 2026 at 12:00 AM EDT

Areas affected: Frederick; Clarke; Morgan; Berkeley; Jefferson

Air Quality Alert issued July 17 at 4:40PM EDT by NWS Baltimore MD/Washington DC

The Virginia Department of Environmental Quality has issued a Code ORANGE Air Quality Alert Saturday for Winchester and the eastern West Virginia Panhandle.

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

Source: NWS Baltimore MD/Washington DC

Source

Alert data provided by the National Weather Service (NWS). This page shows active alerts only and is refreshed daily. For real-time updates, visit weather.gov.