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Air Quality Alert


DCZ001-060400-
District of Columbia-
440 PM EDT Thu Jun 4 2026

...AIR QUALITY ALERT IS IN EFFECT FOR FRIDAY JUNE 5 2026...

The Metropolitan Washington Council of Governments and District
Department of Environment has issued a Code ORANGE Air Quality
Alert Friday for
the District of Columbia.

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/

$$

MDZ008-508-060400-
Southern Harford-Cecil-
440 PM EDT Thu Jun 4 2026

...AIR QUALITY ALERT IS IN EFFECT FOR FRIDAY JUNE 5 2026...

The Maryland Department of the Environment has issued a Code
ORANGE Air Quality Alert Friday for
Northeast 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 the web site
mde.maryland.gov/programs/air/AirQualityMonitoring/Pages/index.aspx

$$

MDZ011-014-060400-
Southern Baltimore-Anne Arundel-
440 PM EDT Thu Jun 4 2026

...AIR QUALITY ALERT IS IN EFFECT FOR FRIDAY JUNE 5 2026...

The Maryland Department of the Environment has issued a Code
ORANGE Air Quality Alert Friday for
the Baltimore City Metro and Annapolis region.

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

$$

MDZ013-504-506-060400-
Central and Southeast Montgomery-Central and Southeast Howard-
Prince Georges-
440 PM EDT Thu Jun 4 2026

...AIR QUALITY ALERT IS IN EFFECT FOR FRIDAY JUNE 5 2026...

The Maryland Department of the Environment has issued a Code
ORANGE Air Quality Alert Friday for
the Maryland suburban DC region.

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

$$

VAZ053-054-505-506-526-527-060400-
Fairfax-Western Loudoun-Eastern Loudoun-Northwest Prince William-
Central and Southeast Prince William/Manassas/Manassas Park-
Arlington/Falls Church/Alexandria-
440 PM EDT Thu Jun 4 2026

...AIR QUALITY ALERT IS IN EFFECT FOR FRIDAY JUNE 5 2026...

The Virginia Department of Environmental Quality has issued a
Code ORANGE Air Quality Alert Friday 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

$$

DEZ001-060400-
New Castle-
345 PM EDT Thu Jun 4 2026

...AIR QUALITY ALERT IS IN EFFECT FOR FRIDAY JUNE 5...

The Delaware Department of Natural Resources and Environmental
Control has issued a code orange air quality alert Friday 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

$$

DEZ002-060400-
Kent DE-
345 PM EDT Thu Jun 4 2026

...AIR QUALITY ALERT IS IN EFFECT FOR FRIDAY JUNE 5...

The Delaware Department of Natural Resources and Environmental
Control has issued a code orange air quality alert Friday 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

$$

PAZ070-071-101>106-060400-
Eastern Chester-Western Chester-Eastern Montgomery-Western
Montgomery-Upper Bucks-Lower Bucks-Delaware-Philadelphia-
345 PM EDT Thu Jun 4 2026

...AIR QUALITY ALERT IS IN EFFECT FOR FRIDAY JUNE 5...

The Delaware Valley Regional Planning Commission has issued
a code orange air quality alert Friday 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/

$$


Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service Wakefield VA
812 PM EDT Thu Jun 4 2026

MDZ025-NCZ102-VAZ098>100-060015-
Maryland Beaches-Eastern Currituck-Virginia Beach-Accomack-
Northampton-
812 PM EDT Thu Jun 4 2026

...MODERATE RIP CURRENT RISK IN EFFECT FROM 8 AM EDT FRIDAY THROUGH
FRIDAY EVENING...

This Hazardous Weather Outlook is for southeast Maryland, northeast
North Carolina, eastern Virginia and southeast Virginia.

.DAY ONE...Tonight.

Hazardous weather is not expected at this time.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   MODERATE RIP CURRENT RISK.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$

Hazardous Weather Outlook
National Weather Service Pittsburgh PA
1253 PM EDT Thu Jun 4 2026

OHZ068-069-PAZ031-075-076-WVZ004-012-021-509-051700-
Noble-Monroe-Greene-Fayette-Higher Elevations of Fayette-Marshall-
Wetzel-Marion-Monongalia-
1253 PM EDT Thu Jun 4 2026

This Hazardous Weather Outlook is for east central Ohio, southwest
Pennsylvania, and northern West Virginia.

.DAY ONE...This afternoon and tonight.

Hazardous weather is not expected at this time.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Showers and thunderstorms are expected to develop Saturday ahead of
an approaching cold front. There is a Marginal Risk, or level 1 out
of 5, for severe storms late Saturday afternoon and evening.
Damaging wind and large hail are expected to be the main hazards.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.

$$

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Page last modified: June 2, 2009
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