Northern Virginia
Rise 5:53AM
Set 8:19PM
Reporting Station : Leesburg / Godfrey, VA
Low clouds. Cool.
Rise 5:53AM
Set 8:19PM
Waning gibbous
Rise*
Set8:53AM
THURSDAY MORNING
IAD / No delays
Air Quality Observations
Station Name | Concentration | Category |
---|---|---|
Rockville | 45 ppb | ![]() |
Shenandoah NP | 55 ppb | ![]() |
South Carroll | 47 ppb | ![]() |
MORGANTOWN | 47 ppb | ![]() |
Frederick Airport | 44 ppb | ![]() |
WIDEWATER | 44 ppb | ![]() |
Hagerstown | 44 ppb | ![]() |
CORBIN | 49 ppb | ![]() |
SUMERDUCK | 42 ppb | ![]() |
Air Quality Forecast
Date | Pollutant | Concentration | Category |
---|---|---|---|
17 May | Particulates smaller than 2.5 microns | 32 ppb | ![]() |
18 May | Particulates smaller than 2.5 microns | 29 ppb | ![]() |
19 May | Particulates smaller than 2.5 microns | 38 ppb | ![]() |
20 May | Particulates smaller than 2.5 microns | 53 ppb | ![]() |
21 May | Particulates smaller than 2.5 microns | 57 ppb | ![]() |
22 May | Particulates smaller than 2.5 microns | n/a | ![]() |
23 May | Particulates smaller than 2.5 microns | n/a | ![]() |
Rise 5:53AM
Set 8:19PM
Waning gibbous
Rise*
Set8:53AM
THURSDAY MORNING
IAD / No delays
Extended Forecast
Date | Category | Reason |
---|---|---|
19 May Thursday | ![]() |
well-mixed atmosphere, low pressure |
20 May Friday | ![]() |
well-mixed atmosphere, low pressure |
21 May Saturday | ![]() |
well-mixed atmosphere, low pressure |
22 May Sunday | ![]() |
precipitation, well-mixed atmosphere, low pressure |
23 May Monday | ![]() |
precipitation, well-mixed atmosphere, low pressure |
24 May Tuesday | ![]() |
precipitation, well-mixed atmosphere, low pressure |
25 May Wednesday | ![]() |
precipitation, well-mixed atmosphere, low pressure |
Detailed Forecast
Date | Category | Reason |
---|---|---|
19 May Morning | ![]() |
well-mixed atmosphere, low pressure |
19 May Afternoon | ![]() |
well-mixed atmosphere, low pressure |
19 May Evening | ![]() |
well-mixed atmosphere, low pressure |
20 May Night | ![]() |
well-mixed atmosphere, low pressure |
20 May Morning | ![]() |
well-mixed atmosphere, low pressure |
20 May Afternoon | ![]() |
well-mixed atmosphere, low pressure |
20 May Evening | ![]() |
well-mixed atmosphere, low pressure |
21 May Night | ![]() |
well-mixed atmosphere, low pressure |
Rise 5:53AM
Set 8:19PM
Waning gibbous
Rise*
Set8:53AM
THURSDAY MORNING
IAD / No delays