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

Reporting Station : Leesburg / Godfrey, VA

There are

0 Weather Alerts for your area.

77°F

Mostly cloudy. Warm.

Current Time : 08:34 AM EDT

Nearest / Estimated

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Rise 5:54AM

Set 8:36PM

Waning gibbous

Rise10:39PM

Set8:37AM

SUNDAY NIGHT

IAD / No delays

Air Quality Observations

Air Quality Forecast

Northern Virginia

Date	Pollutant	Concentration	Category
11 Jul	Particulates smaller than 2.5 microns	54 ppb	Moderate
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

Northern Virginia/DC

Date	Pollutant	Concentration	Category
11 Jul	Particulates smaller than 2.5 microns	53 ppb	Moderate
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

Suburban DC

Date	Pollutant	Concentration	Category
11 Jul	Particulates smaller than 2.5 microns	52 ppb	Moderate
12 Jul	Particulates smaller than 2.5 microns	50 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

Maryland Piedmont

Date	Pollutant	Concentration	Category
11 Jul	Ozone	58 ppb	Moderate
12 Jul	Particulates smaller than 2.5 microns	39 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