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

Reporting Station : Leesburg / Godfrey, VA

There are

1 CustomWeatherAdvisory for your area.

77°F

Partly sunny. Warm.

Current Time : 08:45 AM EDT

Nearest / Estimated

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Rise 5:55AM

Set 8:35PM

Waning gibbous

Rise11:05PM

Set9:47AM

MONDAY NIGHT

IAD / No delays

Air Quality Observations

Air Quality Forecast

Northern Virginia

Date	Pollutant	Concentration	Category
12 Jul	Particulates smaller than 2.5 microns	56 ppb	Moderate
13 Jul	Particulates smaller than 2.5 microns	53 ppb	Moderate
14 Jul	Particulates smaller than 2.5 microns	53 ppb	Moderate
15 Jul	Particulates smaller than 2.5 microns	53 ppb	Moderate
16 Jul	Particulates smaller than 2.5 microns	55 ppb	Moderate
17 Jul	Particulates smaller than 2.5 microns	n/a	Moderate
18 Jul	Particulates smaller than 2.5 microns	n/a	Moderate

Northern Virginia/DC

Date	Pollutant	Concentration	Category
12 Jul	Particulates smaller than 2.5 microns	53 ppb	Moderate
13 Jul	Particulates smaller than 2.5 microns	53 ppb	Moderate
14 Jul	Particulates smaller than 2.5 microns	53 ppb	Moderate
15 Jul	Particulates smaller than 2.5 microns	53 ppb	Moderate
16 Jul	Particulates smaller than 2.5 microns	55 ppb	Moderate
17 Jul	Particulates smaller than 2.5 microns	n/a	Moderate
18 Jul	Particulates smaller than 2.5 microns	n/a	Moderate

Suburban DC

Date	Pollutant	Concentration	Category
12 Jul	Particulates smaller than 2.5 microns	47 ppb	Good
13 Jul	Particulates smaller than 2.5 microns	50 ppb	Good
14 Jul	Particulates smaller than 2.5 microns	44 ppb	Good
15 Jul	Particulates smaller than 2.5 microns	53 ppb	Moderate
16 Jul	Particulates smaller than 2.5 microns	53 ppb	Moderate
17 Jul	Particulates smaller than 2.5 microns	n/a	Moderate
18 Jul	Particulates smaller than 2.5 microns	n/a	Moderate

Maryland Piedmont

Date	Pollutant	Concentration	Category
12 Jul	Ozone	44 ppb	Good
13 Jul	Particulates smaller than 2.5 microns	39 ppb	Good
14 Jul	Particulates smaller than 2.5 microns	44 ppb	Good
15 Jul	Particulates smaller than 2.5 microns	53 ppb	Moderate
16 Jul	Particulates smaller than 2.5 microns	53 ppb	Moderate
17 Jul	Particulates smaller than 2.5 microns	n/a	Moderate
18 Jul	Particulates smaller than 2.5 microns	n/a	Moderate