and then 
to Add to home screen Northern Virginia
Rise 6:47AM
Set 5:00PM
Reporting Station : Leesburg / Godfrey, VA
There is
1 Weather Alert
for your area.
1 Weather Alert
for your area.
55°F
Sunny. Refreshingly cool.
- 36%
- 5 mphNNE
-
36%
Humidity -
28°F
Dew Point -
55°F
Comfort Level -
10 mi
Visibility -
30.37 in
Barometric Pressure - Air Quality
First Quarter
Rise1:41PM
Set*
SATURDAY MORNING
IAD / No delays
Air Quality Observations
| Station Name | Concentration | Category |
|---|---|---|
| Shenandoah NP | 47 ppb |  Good |
| South Carroll | 44 ppb | Good |
| Frederick Airport | 45 ppb | Good |
Air Quality Forecast
| Date | Pollutant | Concentration | Category |
|---|---|---|---|
| 07 Nov | Particulates smaller than 2.5 microns | 48 ppb | Good |
| 08 Nov | Particulates smaller than 2.5 microns | 39 ppb | Good |
| 09 Nov | Particulates smaller than 2.5 microns | 39 ppb | Good |
| 10 Nov | Particulates smaller than 2.5 microns | 44 ppb | Good |
| 11 Nov | Particulates smaller than 2.5 microns | 39 ppb | Good |
| 12 Nov | Particulates smaller than 2.5 microns | 44 ppb | Good |
| 13 Nov | Particulates smaller than 2.5 microns | 44 ppb | Good |
Northern Virginia/DC
Suburban DC
ModerateMaryland Piedmont
Rise 6:47AM
Set 5:00PM
First Quarter
Rise1:41PM
Set*
SATURDAY MORNING
IAD / No delays
Extended Forecast
| Date | Category | Reason |
|---|---|---|
| 09 Nov Saturday | Good |
well-mixed atmosphere, low pressure |
| 10 Nov Sunday | Good |
precipitation, well-mixed atmosphere, low pressure |
| 11 Nov Monday | Good |
precipitation, well-mixed atmosphere, low pressure |
| 12 Nov Tuesday | Good |
well-mixed atmosphere, low pressure |
| 13 Nov Wednesday | Good |
well-mixed atmosphere, low pressure |
| 14 Nov Thursday | Good |
well-mixed atmosphere, low pressure |
| 15 Nov Friday | Good |
well-mixed atmosphere, low pressure |
Detailed Forecast
| Date | Category | Reason |
|---|---|---|
| 09 Nov Afternoon | Good |
well-mixed atmosphere, low pressure |
| 09 Nov Evening | Good |
well-mixed atmosphere, low pressure |
| 10 Nov Night | Good |
cold temperatures, well-mixed atmosphere, low pressure |
| 10 Nov Morning | Good |
cold temperatures, well-mixed atmosphere, low pressure |
| 10 Nov Afternoon | Good |
precipitation, well-mixed atmosphere, low pressure |
| 10 Nov Evening | Good |
precipitation, well-mixed atmosphere, low pressure |
| 11 Nov Night | Good |
precipitation, well-mixed atmosphere, low pressure |
| 11 Nov Morning | Good |
well-mixed atmosphere, low pressure |