Northern Virginia
Rise 7:29AM
Set 6:17PM
Reporting Station : Leesburg / Godfrey, VA
Clear. Refreshingly cool.
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Rise 7:29AM
Set 6:17PM
Last Quarter
Rise*
Set2:58PM
THURSDAY AFTERNOON
IAD / No delays
Air Quality Observations
Station Name | Concentration | Category |
---|---|---|
Rockville | 41 ppb | Good |
Shenandoah NP | 56 ppb | Moderate |
South Carroll | 44 ppb | Good |
MORGANTOWN | 38 ppb | Good |
Frederick Airport | 45 ppb | Good |
Hagerstown | 46 ppb | Good |
Air Quality Forecast
Date | Pollutant | Concentration | Category |
---|---|---|---|
23 Oct | Particulates smaller than 2.5 microns | 56 ppb | Moderate |
24 Oct | Particulates smaller than 2.5 microns | 39 ppb | Good |
25 Oct | Particulates smaller than 2.5 microns | 39 ppb | Good |
26 Oct | Particulates smaller than 2.5 microns | 33 ppb | Good |
27 Oct | Particulates smaller than 2.5 microns | 28 ppb | Good |
28 Oct | Particulates smaller than 2.5 microns | n/a | Good |
29 Oct | Particulates smaller than 2.5 microns | n/a | Good |
Rise 7:29AM
Set 6:17PM
Last Quarter
Rise*
Set2:58PM
THURSDAY AFTERNOON
IAD / No delays
Extended Forecast
Date | Category | Reason |
---|---|---|
24 Oct Thursday | Good | well-mixed atmosphere, low pressure |
25 Oct Friday | Good | well-mixed atmosphere, low pressure |
26 Oct Saturday | Good | well-mixed atmosphere |
27 Oct Sunday | Good | well-mixed atmosphere |
28 Oct Monday | Good | well-mixed atmosphere |
29 Oct Tuesday | Good | well-mixed atmosphere, low pressure |
30 Oct Wednesday | Good | well-mixed atmosphere, low pressure |
Detailed Forecast
Date | Category | Reason |
---|---|---|
24 Oct Afternoon | Good | strong winds, well-mixed atmosphere, low pressure |
24 Oct Evening | Good | well-mixed atmosphere, low pressure |
25 Oct Night | Good | cold temperatures, well-mixed atmosphere, low pressure |
25 Oct Morning | Good | cold temperatures, well-mixed atmosphere, low pressure |
25 Oct Afternoon | Good | well-mixed atmosphere, low pressure |
25 Oct Evening | Good | well-mixed atmosphere, low pressure |
26 Oct Night | Good | well-mixed atmosphere, low pressure |
26 Oct Morning | Good | well-mixed atmosphere, low pressure |