Chantilly, VA (20152)

1:04 PM EDT on September 25, 2017 (GMT -0400)
Pierce Home South Riding Va | | Change Station
Active Advisory: Air Quality Alert

Elev 269 ft 38.91 °N, 77.52 °W | Updated 22 seconds ago

Clear
Clear
94.8 °F
Feels Like 104 °F
N
2.0
Wind Variable Wind from NE

Today
High -- | Low -- °F
--% Chance of Precip.
Yesterday
High -- | Low -- °F
Precip. -- in
Pressure 30.04 in
Visibility 10.0 miles
Clouds Few 4500 ft
Few 16000 ft
Mostly Cloudy 25000 ft
Heat Index 104 °F
Dew Point 72 °F
Humidity 49%
Rainfall 0.00 in
Snow Depth Not available.
7:00 AM 7:01 PM
Waxing Crescent, 28% visible
METAR KIAD 251652Z VRB06KT 10SM FEW045 FEW160 BKN250 31/21 A3004 RMK AO2 SLP170 T03060206
Pressure 30.04 in
Visibility 10.0 miles
Clouds Few 4500 ft
Few 16000 ft
Mostly Cloudy 25000 ft
Heat Index 104 °F
Dew Point 72 °F
Humidity 49%
Rainfall 0.00 in
Snow Depth Not available.
7:00 AM 7:01 PM
Waxing Crescent, 28% visible
METAR KIAD 251652Z VRB06KT 10SM FEW045 FEW160 BKN250 31/21 A3004 RMK AO2 SLP170 T03060206

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10-Day Weather Forecast

Almanac

Astronomy

Sep. 25, 2017 Rise Set
Actual Time
Civil Twilight
Nautical Twilight
Astronomical Twilight
Moon
Length of Visible Light
Length of Day
Tomorrow will be .
, % of the Moon is Illuminated

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Category 6

Welcome to Category 6. This is the collective home for Weather Underground's featured writeups by Dr. Jeff Masters (right), Bob Henson (left), Chris Burt, and other regular contributors.

Nearby

Air Quality

  Air Quality AQ Index Pollutant
Not available.

Snow Depth

Station Depth Elevation

Earthquake Activity

City Distance Mag. Time & Date
Minimum magnitude displayed is 2.5.

Coastal Water Temperatures

Place Temperature

Stations

Nearby Weather Stations

Station Location Temp. Windchill Dew Point Humidity Wind Precip. Elev Updated Type
                   

Watches & Warnings

Air Quality Alert
Issued: 4:35 PM EDT Sep. 24, 2017 – National Weather Service

... Air quality alert is in effect for Monday September 25 2017...

The metropolitan Washington Council of governments in association
with Maryland department of the environment, Virginia department
of environmental quality, and district department of environment has
issued a code Orange air quality alert Monday for the DC 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 www.Cleanairpartners.Net.



435 PM EDT sun Sep 24 2017

... Air quality alert is in effect for Monday September 25 2017...

The metropolitan Washington Council of governments in association
with Maryland department of the environment, Virginia department
of environmental quality, and district department of environment has
issued a code Orange air quality alert Monday for the DC 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 www.Cleanairpartners.Net.