and then 
to Add to home screen Northern Virginia
Rise 6:08AM
Set 8:23PM
Reporting Location : Ashburn, VA
There are
2 Weather Alerts
for your area.
2 Weather Alerts
for your area.
79°F
Clear. Warm.
- 80%
- 10 mphS
-
80%
Humidity -
72°F
Dew Point -
82°F
Comfort Level -
10 mi
Visibility -
29.92 in
Barometric Pressure - Air Quality
Last Quarter
Rise12:36AM
Set3:45PM
MONDAY EVENING
IAD / No delays
Air Quality Observations
| Station Name | Concentration | Category |
|---|---|---|
| Rockville | 77 ppb |  Moderate |
| Shenandoah NP | 46 ppb |  Good |
| South Carroll | 67 ppb | Moderate |
| MORGANTOWN | 38 ppb | Good |
| Frederick Airport | 70 ppb | Moderate |
| CORBIN | 43 ppb | Good |
Air Quality Forecast
| Date | Pollutant | Concentration | Category |
|---|---|---|---|
| 28 Jul | Particulates smaller than 2.5 microns | 52 ppb | Moderate |
| 29 Jul | Particulates smaller than 2.5 microns | 53 ppb | Moderate |
| 30 Jul | Particulates smaller than 2.5 microns | 55 ppb | Moderate |
| 31 Jul | Particulates smaller than 2.5 microns | 53 ppb | Moderate |
| 01 Aug | Particulates smaller than 2.5 microns | 55 ppb | Moderate |
| 02 Aug | Particulates smaller than 2.5 microns | n/a | Moderate |
| 03 Aug | Particulates smaller than 2.5 microns | n/a | Moderate |
Northern Virginia/DC
Suburban DC
Maryland Piedmont
Rise 6:08AM
Set 8:23PM
Last Quarter
Rise12:36AM
Set3:45PM
MONDAY EVENING
IAD / No delays
Extended Forecast
| Date | Category | Reason |
|---|---|---|
| 30 Jul Tuesday | Good |
well-mixed atmosphere, low pressure |
| 31 Jul Wednesday | Good |
precipitation, well-mixed atmosphere, low pressure |
| 01 Aug Thursday | Good |
well-mixed atmosphere, low pressure |
| 02 Aug Friday | Good |
precipitation, well-mixed atmosphere, low pressure |
| 03 Aug Saturday | Good |
precipitation, well-mixed atmosphere, low pressure |
| 04 Aug Sunday | Good |
well-mixed atmosphere, low pressure |
| 05 Aug Monday | Good |
well-mixed atmosphere, low pressure |
Detailed Forecast
| Date | Category | Reason |
|---|---|---|
| 29 Jul Evening | Good |
well-mixed atmosphere, low pressure |
| 30 Jul Night | Good |
well-mixed atmosphere, low pressure |
| 30 Jul Morning | Good |
well-mixed atmosphere, low pressure |
| 30 Jul Afternoon | Good |
well-mixed atmosphere, low pressure |
| 30 Jul Evening | Good |
well-mixed atmosphere, low pressure |
| 31 Jul Night | Good |
well-mixed atmosphere, low pressure |
| 31 Jul Morning | Good |
well-mixed atmosphere, low pressure |
| 31 Jul Afternoon | Good |
well-mixed atmosphere, low pressure |