Ashburn, VA Air Quality | Current Conditions | NWS Alerts | Maps | Buoy Reports

Reporting Station : Leesburg / Godfrey, VA

There are

1 CustomWeatherAdvisory for your area.

55°F

Light rain. Mostly cloudy. Cool

Current Time : 05:43 AM EST

Nearest / Estimated

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Rise 7:19AM

Set 4:47PM

Waxing gibbous

Rise1:54PM

Set2:55AM

WEDNESDAY NIGHT

IAD / Delays from 15 to 30 minutes

Air Quality Observations

Air Quality Forecast

Northern Virginia

Date	Pollutant	Concentration	Category
09 Dec	Particulates smaller than 2.5 microns	57 ppb	Moderate
10 Dec	Particulates smaller than 2.5 microns	58 ppb	Moderate
11 Dec	Particulates smaller than 2.5 microns	39 ppb	Good
12 Dec	Particulates smaller than 2.5 microns	33 ppb	Good
13 Dec	Particulates smaller than 2.5 microns	33 ppb	Good
14 Dec	Particulates smaller than 2.5 microns	n/a	Good
15 Dec	Particulates smaller than 2.5 microns	n/a	Good

Northern Virginia/DC

Date	Pollutant	Concentration	Category
09 Dec	Particulates smaller than 2.5 microns	55 ppb	Moderate
10 Dec	Particulates smaller than 2.5 microns	58 ppb	Moderate
11 Dec	Particulates smaller than 2.5 microns	39 ppb	Good
12 Dec	Particulates smaller than 2.5 microns	33 ppb	Good
13 Dec	Particulates smaller than 2.5 microns	33 ppb	Good
14 Dec	Particulates smaller than 2.5 microns	n/a	Good
15 Dec	Particulates smaller than 2.5 microns	n/a	Good

Suburban DC

Date	Pollutant	Concentration	Category
09 Dec	Particulates smaller than 2.5 microns	55 ppb	Moderate
10 Dec	Particulates smaller than 2.5 microns	55 ppb	Moderate
11 Dec	Particulates smaller than 2.5 microns	44 ppb	Good
12 Dec	Particulates smaller than 2.5 microns	22 ppb	Good
13 Dec	Particulates smaller than 2.5 microns	33 ppb	Good
14 Dec	Particulates smaller than 2.5 microns	n/a	Good
15 Dec	Particulates smaller than 2.5 microns	n/a	Good

Maryland Piedmont

Date	Pollutant	Concentration	Category
09 Dec	Ozone	10 ppb	Good
10 Dec	Particulates smaller than 2.5 microns	53 ppb	Moderate
11 Dec	Particulates smaller than 2.5 microns	39 ppb	Good
12 Dec	Particulates smaller than 2.5 microns	17 ppb	Good
13 Dec	Particulates smaller than 2.5 microns	28 ppb	Good
14 Dec	Particulates smaller than 2.5 microns	n/a	Good
15 Dec	Particulates smaller than 2.5 microns	n/a	Good