and then 
to Add to home screen Northern Virginia
Rise 6:26AM
Set 7:51PM
Reporting Location : Ashburn, VA
There are
4 Weather Alerts
for your area.
4 Weather Alerts
for your area.
54°F
Low clouds. Cool.
- 95%
- 0 mphNNW
-
95%
Humidity -
53°F
Dew Point -
54°F
Comfort Level -
7 mi
Visibility -
29.98 in
Barometric Pressure - Air Quality
Waxing gibbous
Rise3:57PM
Set4:41AM
SATURDAY NIGHT
IAD / No delays
Air Quality Observations
| Station Name | Concentration | Category |
|---|---|---|
| Rockville | 34 ppb |  Good |
| Shenandoah NP | 49 ppb | Good |
| South Carroll | 33 ppb | Good |
| MORGANTOWN | 47 ppb | Good |
| Frederick Airport | 32 ppb | Good |
| Hagerstown | 29 ppb | Good |
| SUMERDUCK | 34 ppb | Good |
Air Quality Forecast
| Date | Pollutant | Concentration | Category |
|---|---|---|---|
| 18 Apr | Particulates smaller than 2.5 microns | 45 ppb | Good |
| 19 Apr | Particulates smaller than 2.5 microns | 29 ppb | Good |
| 20 Apr | Particulates smaller than 2.5 microns | 25 ppb | Good |
| 21 Apr | Particulates smaller than 2.5 microns | 25 ppb | Good |
| 22 Apr | Particulates smaller than 2.5 microns | 21 ppb | Good |
| 23 Apr | Particulates smaller than 2.5 microns | 25 ppb | Good |
| 24 Apr | Particulates smaller than 2.5 microns | 29 ppb | Good |
Northern Virginia/DC
Suburban DC
ModerateMaryland Piedmont
Rise 6:26AM
Set 7:51PM
Waxing gibbous
Rise3:57PM
Set4:41AM
SATURDAY NIGHT
IAD / No delays
Extended Forecast
| Date | Category | Reason |
|---|---|---|
| 20 Apr Saturday | Good |
well-mixed atmosphere, low pressure |
| 21 Apr Sunday | Good |
well-mixed atmosphere, low pressure |
| 22 Apr Monday | Good |
well-mixed atmosphere, low pressure |
| 23 Apr Tuesday | Good |
well-mixed atmosphere, low pressure |
| 24 Apr Wednesday | Good |
strong winds, precipitation, well-mixed atmosphere, low pressure |
| 25 Apr Thursday | Good |
strong winds, well-mixed atmosphere, low pressure |
| 26 Apr Friday | Good |
well-mixed atmosphere, low pressure |
Detailed Forecast
| Date | Category | Reason |
|---|---|---|
| 20 Apr Night | Good |
well-mixed atmosphere, low pressure |
| 20 Apr Morning | Good |
well-mixed atmosphere, low pressure |
| 20 Apr Afternoon | Good |
strong winds, well-mixed atmosphere, low pressure |
| 20 Apr Evening | Good |
well-mixed atmosphere, low pressure |
| 21 Apr Night | Good |
cold temperatures, well-mixed atmosphere, low pressure |
| 21 Apr Morning | Good |
well-mixed atmosphere, low pressure |
| 21 Apr Afternoon | Good |
well-mixed atmosphere, low pressure |
| 21 Apr Evening | Good |
well-mixed atmosphere, low pressure |