-7°C  
  Ashburn, Virginia | 04:30 AM
Air Quality (U.S.)

  Rise:  7:25AM | Set:  5:17PM
9hrs 52mins

  Rise:  8:40AM | Set:  7:18PM
New moon


Rise: 7:25AM | Set:  5:17PM
9hrs 52mins


Rise:8:40AM | Set:7:18PM
New moon

Air Quality Observations

Station Name Concentration Category
BUTLER MANUF. CO NEAR REST 34 ppb Good
Shenandoah NP 42 ppb Good
WIDEWATER 35 ppb Good
CORBIN 34 ppb Good
SUMERDUCK 35 ppb Good
Air Quality Forecast

Date Pollutant Concentration Category
18 Jan Particulates smaller than 2.5 microns 59 ppb Moderate
19 Jan Particulates smaller than 2.5 microns 28 ppb Good
20 Jan Particulates smaller than 2.5 microns 22 ppb Good
21 Jan Particulates smaller than 2.5 microns 44 ppb Good
22 Jan Particulates smaller than 2.5 microns 50 ppb Good
23 Jan Particulates smaller than 2.5 microns n/a Good
24 Jan Particulates smaller than 2.5 microns n/a Good

Date Pollutant Concentration Category
18 Jan Particulates smaller than 2.5 microns 60 ppb Moderate
19 Jan Particulates smaller than 2.5 microns 28 ppb Good
20 Jan Particulates smaller than 2.5 microns 22 ppb Good
21 Jan Particulates smaller than 2.5 microns 44 ppb Good
22 Jan Particulates smaller than 2.5 microns 50 ppb Good
23 Jan Particulates smaller than 2.5 microns n/a Good
24 Jan Particulates smaller than 2.5 microns n/a Good

Date Pollutant Concentration Category
18 Jan Particulates smaller than 2.5 microns 58 ppb Moderate
19 Jan Particulates smaller than 2.5 microns 33 ppb Good
20 Jan Particulates smaller than 2.5 microns 33 ppb Good
21 Jan Particulates smaller than 2.5 microns 44 ppb Good
22 Jan Particulates smaller than 2.5 microns 39 ppb Good
23 Jan Particulates smaller than 2.5 microns n/a Good
24 Jan Particulates smaller than 2.5 microns n/a Good

Date Pollutant Concentration Category
18 Jan Particulates smaller than 2.5 microns n/a Good
19 Jan Particulates smaller than 2.5 microns 22 ppb Good
20 Jan Particulates smaller than 2.5 microns 33 ppb Good
21 Jan Particulates smaller than 2.5 microns 44 ppb Good
22 Jan Particulates smaller than 2.5 microns 39 ppb Good
23 Jan Particulates smaller than 2.5 microns n/a Good
24 Jan Particulates smaller than 2.5 microns n/a Good