and then 
to Add to home screen Northern Virginia
Rise 6:27AM
Set 7:50PM
Reporting Station : Leesburg / Godfrey, VA
There are
6 Weather Alerts
for your area.
6 Weather Alerts
for your area.
75°F
Clear. Mild.
- 65%
- 7 mphWSW
-
65%
Humidity -
63°F
Dew Point -
77°F
Comfort Level -
10 mi
Visibility -
30.10 in
Barometric Pressure - Air Quality
Waning gibbous
Rise1:40AM
Set10:32AM
SATURDAY EVENING
IAD / No delays
Air Quality Observations
| Station Name | Concentration | Category |
|---|---|---|
| Rockville | 54 ppb |  Moderate |
| Shenandoah NP | 62 ppb | Moderate |
| South Carroll | 54 ppb | Moderate |
| Frederick Airport | 57 ppb | Moderate |
| Hagerstown | 62 ppb | Moderate |
Air Quality Forecast
| Date | Pollutant | Concentration | Category |
|---|---|---|---|
| 18 Apr | Particulates smaller than 2.5 microns | 55 ppb | Moderate |
| 19 Apr | Particulates smaller than 2.5 microns | 58 ppb | Moderate |
| 20 Apr | Particulates smaller than 2.5 microns | 53 ppb | Moderate |
| 21 Apr | Particulates smaller than 2.5 microns | 53 ppb | Moderate |
| 22 Apr | Particulates smaller than 2.5 microns | 50 ppb |  Good |
| 23 Apr | Particulates smaller than 2.5 microns | 50 ppb | Good |
| 24 Apr | Particulates smaller than 2.5 microns | n/a | Good |
Northern Virginia/DC
Suburban DC
Maryland Piedmont
Rise 6:27AM
Set 7:50PM
Waning gibbous
Rise1:40AM
Set10:32AM
SATURDAY EVENING
IAD / No delays
Extended Forecast
| Date | Category | Reason |
|---|---|---|
| 20 Apr Sunday | Good |
well-mixed atmosphere, low pressure |
| 21 Apr Monday | Good |
well-mixed atmosphere, low pressure |
| 22 Apr Tuesday | Good |
well-mixed atmosphere, low pressure |
| 23 Apr Wednesday | Good |
well-mixed atmosphere, low pressure |
| 24 Apr Thursday | Good |
well-mixed atmosphere, low pressure |
| 25 Apr Friday | Good |
precipitation, well-mixed atmosphere, low pressure |
| 26 Apr Saturday | Good |
precipitation, well-mixed atmosphere, low pressure |
Detailed Forecast
| Date | Category | Reason |
|---|---|---|
| 19 Apr Evening | Good |
well-mixed atmosphere, low pressure |
| 20 Apr Night | Good |
well-mixed atmosphere, low pressure |
| 20 Apr Morning | Good |
well-mixed atmosphere, low pressure |
| 20 Apr Afternoon | Good |
well-mixed atmosphere, low pressure |
| 20 Apr Evening | Good |
well-mixed atmosphere, low pressure |
| 21 Apr Night | Good |
well-mixed atmosphere, low pressure |
| 21 Apr Morning | Good |
well-mixed atmosphere, low pressure |
| 21 Apr Afternoon | Good |
well-mixed atmosphere, low pressure |