and then 
to Add to home screen Northern Virginia
Rise 7:06AM
Set 6:51PM
Reporting Station : Washington-Dulles International Airport, VA
There are
0 Weather Alerts
for your area.
0 Weather Alerts
for your area.
59°F
Clear. Cool.
- 93%
- 0 mphN
-
93%
Humidity -
57°F
Dew Point -
59°F
Comfort Level -
9 mi
Visibility -
30.16 in
Barometric Pressure - Air Quality
Waning gibbous
Rise8:45PM
Set10:51AM
TUESDAY NIGHT
IAD / No delays
Air Quality Observations
| Station Name | Concentration | Category |
|---|---|---|
| BUTLER MANUF. CO NEAR REST | 42 ppb |  Good |
| Rockville | 39 ppb | Good |
| Shenandoah NP | 39 ppb | Good |
| South Carroll | 48 ppb | Good |
| MORGANTOWN | 47 ppb | Good |
| Frederick Airport | 47 ppb | Good |
| WIDEWATER | 52 ppb |  Moderate |
| Hagerstown | 49 ppb | Good |
| CORBIN | 49 ppb | Good |
| SUMERDUCK | 42 ppb | Good |
Air Quality Forecast
| Date | Pollutant | Concentration | Category |
|---|---|---|---|
| 01 Oct | Particulates smaller than 2.5 microns | 35 ppb | Good |
| 02 Oct | Particulates smaller than 2.5 microns | 42 ppb | Good |
| 03 Oct | Particulates smaller than 2.5 microns | 46 ppb | Good |
| 04 Oct | Particulates smaller than 2.5 microns | 50 ppb | Good |
| 05 Oct | Particulates smaller than 2.5 microns | 38 ppb | Good |
| 06 Oct | Particulates smaller than 2.5 microns | n/a | Good |
| 07 Oct | Particulates smaller than 2.5 microns | n/a | Good |
Metropolitan Washington
Suburban DC
Maryland Piedmont
Rise 7:06AM
Set 6:51PM
Waning gibbous
Rise8:45PM
Set10:51AM
TUESDAY NIGHT
IAD / No delays
Extended Forecast
| Date | Category | Reason |
|---|---|---|
| 03 Oct Tuesday | Good |
well-mixed atmosphere, low pressure |
| 04 Oct Wednesday | Good |
well-mixed atmosphere, low pressure |
| 05 Oct Thursday | Good |
well-mixed atmosphere, low pressure |
| 06 Oct Friday | Good |
precipitation, well-mixed atmosphere, low pressure |
| 07 Oct Saturday | Good |
strong winds, precipitation, well-mixed atmosphere, low pressure |
| 08 Oct Sunday | Good |
precipitation, well-mixed atmosphere, low pressure |
| 09 Oct Monday | Good |
precipitation, well-mixed atmosphere, low pressure |
Detailed Forecast
| Date | Category | Reason |
|---|---|---|
| 03 Oct Night | Good |
well-mixed atmosphere, low pressure |
| 03 Oct Morning | Good |
well-mixed atmosphere, low pressure |
| 03 Oct Afternoon | Good |
well-mixed atmosphere, low pressure |
| 03 Oct Evening | Good |
well-mixed atmosphere, low pressure |
| 04 Oct Night | Good |
well-mixed atmosphere, low pressure |
| 04 Oct Morning | Good |
well-mixed atmosphere, low pressure |
| 04 Oct Afternoon | Good |
well-mixed atmosphere, low pressure |
| 04 Oct Evening | Good |
well-mixed atmosphere, low pressure |