and then 
to Add to home screen Northern Virginia
Rise 7:09AM
Set 5:39PM
Reporting Station : Manassas Municipal, VA
There are
3 Weather Alerts
for your area.
3 Weather Alerts
for your area.
6°C
Passing clouds. Quite cool.
- 79%
- 0 km/hN
-
79%
Humidity -
2°C
Dew Point -
6°C
Comfort Level -
16 km
Visibility -
1025.90 mb
Barometric Pressure
Real-time Pollen & Air Quality
Waning gibbous
Rise8:32PM
Set8:49AM
THURSDAY NIGHT
IAD / No delays
Air Quality Observations
| Station Name | Concentration | Category |
|---|---|---|
| Shenandoah NP | 48 ppb |  Good |
| Rockville | 43 ppb | Good |
Air Quality Forecast
| Date | Pollutant | Concentration | Category |
|---|---|---|---|
| 07 Feb | Particulates smaller than 2.5 microns | 58 ppb |  Moderate |
| 08 Feb | Particulates smaller than 2.5 microns | 57 ppb | Moderate |
| 09 Feb | Particulates smaller than 2.5 microns | 53 ppb | Moderate |
| 10 Feb | Particulates smaller than 2.5 microns | 46 ppb | Good |
| 11 Feb | Particulates smaller than 2.5 microns | n/a | Good |
| 12 Feb | Particulates smaller than 2.5 microns | n/a | Good |
| 13 Feb | Particulates smaller than 2.5 microns | n/a | Good |
Metropolitan Washington
Suburban DC
Winchester
Rise 7:09AM
Set 5:39PM
Waning gibbous
Rise8:32PM
Set8:49AM
THURSDAY NIGHT
IAD / No delays
Extended Forecast
| Date | Category | Reason |
|---|---|---|
| 09 Feb Thursday | Good |
well-mixed atmosphere, low pressure |
| 10 Feb Friday | Good |
well-mixed atmosphere, low pressure |
| 11 Feb Saturday | Good |
well-mixed atmosphere, low pressure |
| 12 Feb Sunday | Good |
precipitation, cold temperatures, well-mixed atmosphere, low pressure |
| 13 Feb Monday | Good |
precipitation, well-mixed atmosphere, low pressure |
| 14 Feb Tuesday | Good |
well-mixed atmosphere, low pressure |
| 15 Feb Wednesday | Good |
precipitation, well-mixed atmosphere, low pressure |
Detailed Forecast
| Date | Category | Reason |
|---|---|---|
| 09 Feb Night | Good |
cold temperatures, well-mixed atmosphere, low pressure |
| 09 Feb Morning | Good |
well-mixed atmosphere, low pressure |
| 09 Feb Afternoon | Good |
well-mixed atmosphere, low pressure |
| 09 Feb Evening | Good |
well-mixed atmosphere, low pressure |
| 10 Feb Night | Good |
well-mixed atmosphere, low pressure |
| 10 Feb Morning | Good |
well-mixed atmosphere, low pressure |
| 10 Feb Afternoon | Good |
well-mixed atmosphere, low pressure |
| 10 Feb Evening | Good |
well-mixed atmosphere, low pressure |