Northern Virginia
Rise 5:53AM
Set 8:20PM
Reporting Station : Leesburg / Godfrey, VA
Sunny. Warm.
Rise 5:53AM
Set 8:20PM
Waning gibbous
Rise12:43AM
Set10:04AM
FRIDAY AFTERNOON
IAD / No delays
Air Quality Observations
Station Name | Concentration | Category |
---|---|---|
Rockville | 71 ppb | ![]() |
Shenandoah NP | 52 ppb | ![]() |
South Carroll | 65 ppb | ![]() |
MORGANTOWN | 40 ppb | ![]() |
Frederick Airport | 55 ppb | ![]() |
Hagerstown | 48 ppb | ![]() |
Air Quality Forecast
Date | Pollutant | Concentration | Category |
---|---|---|---|
18 May | Particulates smaller than 2.5 microns | 30 ppb | ![]() |
19 May | Particulates smaller than 2.5 microns | 38 ppb | ![]() |
20 May | Particulates smaller than 2.5 microns | 55 ppb | ![]() |
21 May | Particulates smaller than 2.5 microns | 59 ppb | ![]() |
22 May | Particulates smaller than 2.5 microns | 59 ppb | ![]() |
23 May | Particulates smaller than 2.5 microns | n/a | ![]() |
24 May | Particulates smaller than 2.5 microns | n/a | ![]() |
Rise 5:53AM
Set 8:20PM
Waning gibbous
Rise12:43AM
Set10:04AM
FRIDAY AFTERNOON
IAD / No delays
Extended Forecast
Date | Category | Reason |
---|---|---|
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 | ![]() |
well-mixed atmosphere, low pressure |
25 May Wednesday | ![]() |
precipitation, well-mixed atmosphere, low pressure |
26 May Thursday | ![]() |
precipitation, well-mixed atmosphere, low pressure |
Detailed Forecast
Date | Category | Reason |
---|---|---|
20 May Afternoon | ![]() |
well-mixed atmosphere, low pressure |
20 May Evening | ![]() |
well-mixed atmosphere, low pressure |
21 May Night | ![]() |
well-mixed atmosphere, low pressure |
21 May Morning | ![]() |
well-mixed atmosphere, low pressure |
21 May Afternoon | ![]() |
well-mixed atmosphere, low pressure |
21 May Evening | ![]() |
well-mixed atmosphere, low pressure |
22 May Night | ![]() |
well-mixed atmosphere, low pressure |
22 May Morning | ![]() |
well-mixed atmosphere, low pressure |
Rise 5:53AM
Set 8:20PM
Waning gibbous
Rise12:43AM
Set10:04AM
FRIDAY AFTERNOON
IAD / No delays