and then 
to Add to home screen Southern Maryland
Rise 5:47AM
Set 8:23PM
Reporting Station : St. Marys County Regional Airport, MD
There are
9 Weather Alerts
for your area.
9 Weather Alerts
for your area.
12°C
Clear. Cool.
- 100%
- 7 km/hW
-
100%
Humidity -
12°C
Dew Point -
11°C
Comfort Level -
16 km
Visibility -
1015.58 mb
Barometric Pressure - Air Quality
Waning gibbous
Rise1:14AM
Set11:35AM
THURSDAY NIGHT
DCA / No delays
Air Quality Observations
| Station Name | Concentration | Category |
|---|---|---|
| CORBIN | 52 ppb |  Moderate |
| WIDEWATER | 53 ppb | Moderate |
| Shenandoah NP | 55 ppb | Moderate |
| SUMERDUCK | 48 ppb |  Good |
| HANOVER | 62 ppb | Moderate |
| MATH and SCIENCE CTR | 63 ppb | Moderate |
| Rockville | 50 ppb | Good |
| SHIRLEY PLANTATION | 61 ppb | Moderate |
| South Carroll | 52 ppb | Moderate |
Air Quality Forecast
| Date | Pollutant | Concentration | Category |
|---|---|---|---|
| 28 May | Ozone | 51 ppb | Moderate |
| 29 May | Particulates smaller than 2.5 microns | 22 ppb | Good |
| 30 May | Particulates smaller than 2.5 microns | 22 ppb | Good |
| 31 May | Particulates smaller than 2.5 microns | 22 ppb | Good |
| 01 Jun | Particulates smaller than 2.5 microns | 33 ppb | Good |
| 02 Jun | Particulates smaller than 2.5 microns | n/a | Good |
| 03 Jun | Particulates smaller than 2.5 microns | n/a | Good |
Fredericksburg
Northern Virginia
Northern Virginia/DC
Rise 5:47AM
Set 8:23PM
Waning gibbous
Rise1:14AM
Set11:35AM
THURSDAY NIGHT
DCA / No delays
Extended Forecast
| Date | Category | Reason |
|---|---|---|
| 30 May Thursday | Good |
well-mixed atmosphere, low pressure |
| 31 May Friday | Good |
well-mixed atmosphere, low pressure |
| 01 Jun Saturday | Good |
well-mixed atmosphere, low pressure |
| 02 Jun Sunday | Good |
well-mixed atmosphere, low pressure |
| 03 Jun Monday | Good |
well-mixed atmosphere, low pressure |
| 04 Jun Tuesday | Good |
precipitation, well-mixed atmosphere, low pressure |
| 05 Jun Wednesday | Good |
precipitation, well-mixed atmosphere, low pressure |
Detailed Forecast
| Date | Category | Reason |
|---|---|---|
| 30 May Night | Good |
well-mixed atmosphere, low pressure |
| 30 May Morning | Good |
well-mixed atmosphere, low pressure |
| 30 May Afternoon | Good |
well-mixed atmosphere, low pressure |
| 30 May Evening | Good |
well-mixed atmosphere, low pressure |
| 31 May Night | Good |
well-mixed atmosphere, low pressure |
| 31 May Morning | Good |
well-mixed atmosphere, low pressure |
| 31 May Afternoon | Good |
well-mixed atmosphere, low pressure |
| 31 May Evening | Good |
well-mixed atmosphere, low pressure |