Air Quality Alert
DCZ001-132145-
District of Columbia-
Including the city of Washington
534 PM EDT Thu Jun 12 2025
...AIR QUALITY ALERT IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...
Metropolitan Washington Council of Governments and District
Department of Environment has issued a Code Orange Air Quality
Action Day for Ground Level Ozone for the District of Columbia until
midnight.
An Air Quality Action Day means that Ground Level Ozone
concentrations within the region may approach or exceed unhealthy
standards. For additional information, please visit the Metropolitan
Washington Council of Governments and District Department of
Environment at:https://www.mwcog.org/environment/air/forecast
$$
VAZ053-054-505-506-526-527-132145-
Fairfax-Arlington/Falls Church/Alexandria-Western Loudoun-
Eastern Loudoun-Northwest Prince William-
Central and Southeast Prince William/Manassas/Manassas Park-
Including the cities of Reston, Herndon, Annandale, Centreville,
Chantilly, McLean, Franconia, Arlington, Alexandria, Falls Church,
Purcellville, Leesburg, Ashburn, Sterling, Haymarket, Dale City,
Manassas, Woodbridge, Lake Ridge, and Montclair
534 PM EDT Thu Jun 12 2025
...AIR QUALITY ALERT IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...
Virginia Department of Environmental Quality has issued a Code
Orange Air Quality Action Day for Ground Level Ozone for Northern
Virginia until midnight.
An Air Quality Action Day means that Ground Level Ozone
concentrations within the region may approach or exceed unhealthy
standards. For additional information, please visit the Virginia
Department of Environmental Quality at:www.deq.virginia.gov
$$
MDZ008-508-132145-
Cecil-Southeast Harford-
Including the cities of Elkton and Aberdeen
534 PM EDT Thu Jun 12 2025
...AIR QUALITY ALERT IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...
Maryland Department of the Environment has issued a Code Orange Air
Quality Action Day for Ground Level Ozone for Northeast Maryland
until midnight.
An Air Quality Action Day means that Ground Level Ozone
concentrations within the region may approach or exceed unhealthy
standards. For additional information, please visit the Maryland
Department of the Environment
at:www.mde.maryland.gov/programs/air/AirQualityMonitoring/Pages/
index.aspx
$$
MDZ013-504-506-132145-
Prince Georges-Central and Southeast Montgomery-
Central and Southeast Howard-
Including the cities of Bowie, Suitland-Silver Hill, Clinton,
College Park, Greenbelt, Laurel, Camp Springs, Bethesda, Rockville,
Gaithersburg, Silver Spring, Columbia, and Ellicott City
534 PM EDT Thu Jun 12 2025
...AIR QUALITY ALERT IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...
Maryland Department of the Environment has issued a Code Orange Air
Quality Action Day for Ground Level Ozone for the Suburban DC region
until midnight.
An Air Quality Action Day means that Ground Level Ozone
concentrations within the region may approach or exceed unhealthy
standards. For additional information, please visit the Maryland
Department of the Environment
at:www.mde.maryland.gov/programs/air/AirQualityMonitoring/Pages/
index.aspx
$$
MDZ011-014-132145-
Southern Baltimore-Anne Arundel-
Including the cities of Baltimore, Glen Burnie, Annapolis, Severn,
South Gate, Severna Park, Arnold, and Odenton
534 PM EDT Thu Jun 12 2025
...AIR QUALITY ALERT IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...
Maryland Department of the Environment has issued a Code Orange Air
Quality Action Day for Ground Level Ozone for the Metro Baltimore
region until midnight.
An Air Quality Action Day means that Ground Level Ozone
concentrations within the region may approach or exceed unhealthy
standards. For additional information, please visit the Maryland
Department of the Environment
at:www.mde.maryland.gov/programs/air/AirQualityMonitoring/Pages/
index.aspx
$$
