Air Quality Alert
WVZ050-055-501>504-190400-
Hampshire-Hardy-Western Grant-Eastern Grant-Western Mineral-
Eastern Mineral-
Including the cities of Purgitsville, Frenchburg, Romney,
Three Churches, Wapocomo, Points, Springfield, Brake,
Bean Settlement, Fisher, McNeill, Moorefield, Beechwood, Wilsonia,
Bayard, Cabins, Kline Gap, Landes, Masonville, Petersburg,
Seymourville, Welton, Piedmont, Sulphur City, Antioch, Keyser,
New Creek, Ridgeville, Russelldale, Headsville, and Fort Ashby
155 AM EDT Sat Jul 18 2026
...AIR QUALITY ALERT IN EFFECT UNTIL MIDNIGHT EDT SATURDAY NIGHT...
West Virginia Department of Environmental Protection - Air Quality
Division has issued a Code Orange Air Quality Action Day for Fine
Particulates for West Virgina until midnight EDT Saturday night.
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 additional information, please visit the West Virginia
Department of Environmental Protection - Air Quality Division website
at: http://dep.wv.gov/daq/
$$
DCZ001-190400-
District of Columbia-
440 PM EDT Fri Jul 17 2026
...AIR QUALITY ALERT CONTINUES THROUGH SATURDAY JULY 18 2026...
The Metropolitan Washington Council of Governments and District
Department of Environment has issued a Code ORANGE Air Quality
Alert Saturday for
the District of Columbia.
Concentrations of fine particulate matter due to wildfire smoke will
persist at levels consistent with an Air Quality Index of Unhealthy
(Red Alert) to Very Unhealthy (Purple Alert) Friday night into
Saturday morning. Air quality begins to improve Saturday afternoon.
Code Purple and Code Red Air Quality Alerts mean that air pollution
concentrations within the region are unhealthy to very unhealthy for
the general population.
A Code Orange Air Quality Alert means that air pollution
concentrations within the region may become unhealthy for sensitive
groups. Sensitive groups include children, people suffering from
asthma, heart disease or other lung diseases and the elderly. The
effects of air pollution can be minimized by avoiding strenuous
activity or exercise outdoors.
For more information on ground-level ozone
and fine particles visit the web site
https://www.mwcog.org/environment/air/forecast/
$$
MDZ003-190400-
Washington-
440 PM EDT Fri Jul 17 2026
...AIR QUALITY ALERT CONTINUES THROUGH SATURDAY JULY 18 2026...
The Maryland Department of the Environment has issued a Code
ORANGE Air Quality Alert Saturday for
the Hagerstown area.
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
mde.maryland.gov/programs/air/AirQualityMonitoring/Pages/index.aspx
$$
MDZ004-005-503-505-190400-
Frederick-Carroll-Northwest Montgomery-Northwest Howard-
440 PM EDT Fri Jul 17 2026
...AIR QUALITY ALERT CONTINUES THROUGH SATURDAY JULY 18 2026...
The Maryland Department of the Environment has issued a Code
ORANGE Air Quality Alert Saturday for
the Maryland Piedmont region.
Concentrations of fine particulate matter due to wildfire smoke will
persist at levels consistent with an Air Quality Index of Unhealthy
(Red Alert) to Very Unhealthy (Purple Alert) Friday night into
Saturday morning. Air quality begins to improve Saturday afternoon.
Code Purple and Code Red Air Quality Alerts mean that air pollution
concentrations within the region are unhealthy to very unhealthy for
the general population.
A Code Orange Air Quality Alert means that air pollution
concentrations within the region may become unhealthy for
sensitive groups. Sensitive groups include children, people
suffering from asthma, heart disease or other lung diseases and
the elderly. The effects of air pollution can be minimized by
avoiding strenuous activity or exercise outdoors.
For more information on ground-level ozone
and fine particles visit the web site
mde.maryland.gov/programs/air/AirQualityMonitoring/Pages/index.aspx
$$
MDZ006-507-190400-
Northern Baltimore-Northern Harford-
440 PM EDT Fri Jul 17 2026
...AIR QUALITY ALERT CONTINUES THROUGH SATURDAY JULY 18 2026...
The Maryland Department of the Environment has issued a Code
ORANGE Air Quality Alert Saturday for
Northern Baltimore.
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
mde.maryland.gov/programs/air/AirQualityMonitoring/Pages/index.aspx
$$
MDZ008-508-190400-
Southern Harford-Cecil-
440 PM EDT Fri Jul 17 2026
...AIR QUALITY ALERT CONTINUES THROUGH SATURDAY JULY 18 2026...
The Maryland Department of the Environment has issued a Code
ORANGE Air Quality Alert Saturday for
Northeast Maryland.
Concentrations of fine particulate matter due to wildfire smoke will
persist at levels consistent with an Air Quality Index of Unhealthy
(Red Alert) to Very Unhealthy (Purple Alert) Friday night into
Saturday morning. Air quality begins to improve Saturday afternoon.
Code Purple and Code Red Air Quality Alerts mean that air pollution
concentrations within the region are unhealthy to very unhealthy for
the general population.
A Code Orange Air Quality Alert means that air pollution
concentrations within the region may become unhealthy for
sensitive groups. Sensitive groups include children, people
suffering from asthma, heart disease or other lung diseases and
the elderly. The effects of air pollution can be minimized by
avoiding strenuous activity or exercise outdoors.
For more information on ground-level ozone
and fine particles visit the web site
mde.maryland.gov/programs/air/AirQualityMonitoring/Pages/index.aspx
$$
MDZ011-014-190400-
Southern Baltimore-Anne Arundel-
440 PM EDT Fri Jul 17 2026
...AIR QUALITY ALERT CONTINUES THROUGH SATURDAY JULY 18 2026...
The Maryland Department of the Environment has issued a Code
ORANGE Air Quality Alert Saturday for
the Baltimore City Metro and Annapolis region.
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
mde.maryland.gov/programs/air/AirQualityMonitoring/Pages/index.aspx
$$
MDZ013-504-506-190400-
Central and Southeast Montgomery-Central and Southeast Howard-
Prince Georges-
440 PM EDT Fri Jul 17 2026
...AIR QUALITY ALERT CONTINUES THROUGH SATURDAY JULY 18 2026...
The Maryland Department of the Environment has issued a Code
ORANGE Air Quality Alert Saturday for
the Maryland suburban DC region.
Concentrations of fine particulate matter due to wildfire smoke will
persist at levels consistent with an Air Quality Index of Unhealthy
(Red Alert) to Very Unhealthy (Purple Alert) Friday night into
Saturday morning. Air quality begins to improve Saturday afternoon.
Code Purple and Code Red Air Quality Alerts mean that air pollution
concentrations within the region are unhealthy to very unhealthy for
the general population.
A Code Orange Air Quality Alert means that air pollution
concentrations within the region may become unhealthy for
sensitive groups. Sensitive groups include children, people
suffering from asthma, heart disease or other lung diseases and
the elderly. The effects of air pollution can be minimized by
avoiding strenuous activity or exercise outdoors.
For more information on ground-level ozone
and fine particles visit the web site
mde.maryland.gov/programs/air/AirQualityMonitoring/Pages/index.aspx
$$
MDZ501-502-509-510-190400-
Garrett-Allegany-
440 PM EDT Fri Jul 17 2026
...AIR QUALITY ALERT CONTINUES THROUGH SATURDAY JULY 18 2026...
The Maryland Department of the Environment has issued a Code
ORANGE Air Quality Alert Saturday for
Western Maryland.
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
mde.maryland.gov/programs/air/AirQualityMonitoring/Pages/index.aspx
$$
VAZ028-031-WVZ051>053-190400-
Frederick-Clarke-Morgan-Berkeley-Jefferson-
440 PM EDT Fri Jul 17 2026
...AIR QUALITY ALERT CONTINUES THROUGH SATURDAY JULY 18 2026...
The Virginia Department of Environmental Quality has issued a
Code ORANGE Air Quality Alert Saturday for
Winchester and the eastern West Virginia Panhandle.
Concentrations of fine particulate matter due to wildfire smoke will
persist at levels consistent with an Air Quality Index of Unhealthy
(Red Alert) to Very Unhealthy (Purple Alert) Friday night into
Saturday morning. Air quality begins to improve Saturday afternoon.
Code Purple and Code Red Air Quality Alerts mean that air pollution
concentrations within the region are unhealthy to very unhealthy for
the general population.
A Code Orange Air Quality Alert means that air pollution
concentrations within the region may become unhealthy for
sensitive groups. Sensitive groups include children, people
suffering from asthma, heart disease or other lung diseases and
the elderly. The effects of air pollution can be minimized by
avoiding strenuous activity or exercise outdoors.
For more information on ground-level ozone and fine particles
visit the web site Virginia DEQ air quality web site at
www.deq.virginia.gov
$$
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
$$
WVZ007>011-016>020-029>032-039-040-190400-
Mason-Jackson WV-Wood-Pleasants-Tyler-Roane-Wirt-Calhoun-Ritchie-
Doddridge-Gilmer-Lewis-Harrison-Taylor-Upshur-Barbour-
Including the cities of Point Pleasant, New Haven, Ravenswood,
Ripley, Parkersburg, Vienna, St. Marys, Belmont, Paden City,
Sistersville, Middlebourne, Spencer, Elizabeth, Grantsville,
Harrisville, Pennsboro, West Union, Glenville, Weston, Clarksburg,
Bridgeport, Grafton, Buckhannon, Philippi, and Belington
705 AM EDT Sat Jul 18 2026
...AIR QUALITY ALERT IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...
West Virginia Department of Environmental Protection - Air Quality
Division has issued a Code Orange Air Quality Action Day for Fine
Particulates for West Virgina until midnight EDT tonight. Elevated
fine particulate matter levels are anticipated to drop as the day
goes on today.
A code Orange air quality alert means members of sensitive groups
may experience health effects. The general public is less likely to
be affected, but sensitive groups should take additional precautions.
These groups include children, the elderly, and people suffering
from asthma, heart disease, or other lung diseases. The effects of
air pollution can be minimized by avoiding outdoor exercise or
strenuous activity.
Check the U.S. Environmental Protection Agency`s www.AirNow.gov
website for current air monitor readings.
$$
TRM
WVZ012-021-509>514-190345-
Wetzel-Marion-Monongalia-
Ridges of Eastern Monongalia and Northwestern Preston-Preston-
Eastern Preston-Western Tucker-Eastern Tucker-
Including the cities of New Martinsville, Fairmont, Morgantown,
Coopers Rock, Kingwood, Bruceton Mills, Terra Alta, Rowlesburg,
Hazelton, Parsons, Hendricks, Saint George, Davis, Thomas,
and Canaan Valley
100 AM EDT Sat Jul 18 2026
...AIR QUALITY ALERT IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...
The West Virginia Department of Environmental Protection - Air
Quality Division has issued a Code ORANGE Air Quality Alert Saturday
for the West Virginia panhandle.
A code ORANGE air quality alert means that air pollution
concentrations within the region may become unhealthy for sensitive
groups. Sensitive groups include children, the elderly, and people
suffering from asthma, heart disease, or other lung diseases. The
effects of air pollution can be minimized by avoiding outdoor
exercise or strenuous activity.
For additional information, please visit the West Virginia
Department of Environmental Protection - Air Quality Division website
at: http://dep.wv.gov/daq/
$$
SKH
DEZ001-190400-
New Castle-
345 PM EDT Fri Jul 17 2026
...AIR QUALITY ALERT IS IN EFFECT FOR SATURDAY JULY 18...
The Delaware Department of Natural Resources and Environmental
Control has issued a code orange air quality alert Saturday
for New Castle County.
A code orange air quality alert means that air pollution
concentrations within the region may become unhealthy for
sensitive groups. Sensitive groups include children...people
suffering from asthma... heart disease or other lung
diseases...and the elderly. The effects of air pollution can
be minimized by avoiding strenuous activity or exercise outdoors.
For more information on ground-level ozone and fine
particles...visit http://www.dnrec.delaware.gov
$$
DEZ002-190400-
Kent DE-
345 PM EDT Fri Jul 17 2026
...AIR QUALITY ALERT IS IN EFFECT FOR SATURDAY JULY 18...
The Delaware Department of Natural Resources and Environmental
Control has issued a code orange air quality alert Saturday
for Kent County Delaware.
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 http://www.dnrec.delaware.gov
$$
MDZ012-015-190400-
Kent MD-Queen Annes-
345 PM EDT Fri Jul 17 2026
...AIR QUALITY ALERT IS IN EFFECT FOR SATURDAY JULY 18...
The Maryland Department of the Environment has issued a code
orange air quality alert Saturday for Kent and Queen Annes
Counties in Maryland.
A code orange air quality alert means that air pollution
concentrations within the region may become unhealthy for
sensitive groups. Sensitive groups include children...people
suffering from asthma... heart disease or other lung
diseases...and the elderly. The effects of air pollution can
be minimized by avoiding strenuous activity or exercise outdoors.
For more information on ground-level ozone and fine
particles...visit http://www.mde.maryland.gov/programs/air/
$$
PAZ070-071-101>106-190400-
Eastern Chester-Western Chester-Eastern Montgomery-Western
Montgomery-Upper Bucks-Lower Bucks-Delaware-Philadelphia-
345 PM EDT Fri Jul 17 2026
...AIR QUALITY ALERT IS IN EFFECT FOR SATURDAY JULY 18...
The Delaware Valley Regional Planning Commission has issued
a code orange air quality alert Saturday for The Philadelphia
Metro area.
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 http://www.phila.gov/health/units/ams/
$$
