and then 
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Rise 5:55AM
Set 8:17PM
Reporting Station : Leesburg / Godfrey, VA
There are
0 Weather Alerts
for your area.
0 Weather Alerts
for your area.
59°F
Clear. Cool.
- 63%
- 0 mphN
-
63%
Humidity -
46°F
Dew Point -
59°F
Comfort Level -
10 mi
Visibility -
30.02 in
Barometric Pressure
Real-time Pollen & Air Quality
Full moon
Rise10:35PM
Set6:53AM
TUESDAY EVENING
IAD / No delays
Air Quality Observations
| Station Name | Concentration | Category |
|---|---|---|
| Rockville | 62 ppb |  Moderate |
| Shenandoah NP | 59 ppb | Moderate |
| South Carroll | 61 ppb | Moderate |
| MORGANTOWN | 53 ppb | Moderate |
| Frederick Airport | 62 ppb | Moderate |
Air Quality Forecast
| Date | Pollutant | Concentration | Category |
|---|---|---|---|
| 16 May | Particulates smaller than 2.5 microns | 34 ppb |  Good |
| 17 May | Particulates smaller than 2.5 microns | 29 ppb | Good |
| 18 May | Particulates smaller than 2.5 microns | 29 ppb | Good |
| 19 May | Particulates smaller than 2.5 microns | 50 ppb | Good |
| 20 May | Particulates smaller than 2.5 microns | 55 ppb | Moderate |
| 21 May | Particulates smaller than 2.5 microns | n/a | Moderate |
| 22 May | Particulates smaller than 2.5 microns | n/a | Moderate |
Metropolitan Washington
Suburban DC
Maryland Piedmont
Rise 5:55AM
Set 8:17PM
Full moon
Rise10:35PM
Set6:53AM
TUESDAY EVENING
IAD / No delays
Extended Forecast
| Date | Category | Reason |
|---|---|---|
| 18 May Wednesday | Good |
precipitation, well-mixed atmosphere, low pressure |
| 19 May Thursday | Good |
precipitation, well-mixed atmosphere, low pressure |
| 20 May Friday | Good |
well-mixed atmosphere, low pressure |
| 21 May Saturday | Good |
well-mixed atmosphere, low pressure |
| 22 May Sunday | Good |
precipitation, well-mixed atmosphere, low pressure |
| 23 May Monday | Good |
precipitation, well-mixed atmosphere, low pressure |
| 24 May Tuesday | Good |
precipitation, well-mixed atmosphere, low pressure |
Detailed Forecast
| Date | Category | Reason |
|---|---|---|
| 18 May Night | Good |
well-mixed atmosphere, low pressure |
| 18 May Morning | Good |
well-mixed atmosphere, low pressure |
| 18 May Afternoon | Good |
well-mixed atmosphere, low pressure |
| 18 May Evening | Good |
precipitation, well-mixed atmosphere, low pressure |
| 19 May Night | Good |
well-mixed atmosphere, low pressure |
| 19 May Morning | Good |
well-mixed atmosphere, low pressure |
| 19 May Afternoon | Good |
well-mixed atmosphere, low pressure |
| 19 May Evening | Good |
well-mixed atmosphere, low pressure |
Rise 5:55AM
Set 8:17PM
Full moon
Rise10:35PM
Set6:53AM
TUESDAY EVENING
IAD / No delays