Northern Virginia
Rise 7:10AM
Set 4:47PM
Reporting Station : Leesburg / Godfrey, VA
Fog. Cool.
Rise 7:10AM
Set 4:47PM
Waning gibbous
Rise9:41PM
Set11:46AM
SATURDAY EVENING
IAD / No delays
Air Quality Observations
Station Name | Concentration | Category |
---|---|---|
Shenandoah NP | 39 ppb | ![]() |
Air Quality Forecast
Date | Pollutant | Concentration | Category |
---|---|---|---|
01 Dec | Particulates smaller than 2.5 microns | 55 ppb | ![]() |
02 Dec | Particulates smaller than 2.5 microns | 55 ppb | ![]() |
03 Dec | Particulates smaller than 2.5 microns | 55 ppb | ![]() |
04 Dec | Particulates smaller than 2.5 microns | 29 ppb | ![]() |
05 Dec | Particulates smaller than 2.5 microns | 33 ppb | ![]() |
06 Dec | Particulates smaller than 2.5 microns | 33 ppb | ![]() |
07 Dec | Particulates smaller than 2.5 microns | n/a | ![]() |
Rise 7:10AM
Set 4:47PM
Waning gibbous
Rise9:41PM
Set11:46AM
SATURDAY EVENING
IAD / No delays
Extended Forecast
Date | Category | Reason |
---|---|---|
03 Dec Sunday | ![]() |
precipitation, well-mixed atmosphere, low pressure |
04 Dec Monday | ![]() |
well-mixed atmosphere, low pressure |
05 Dec Tuesday | ![]() |
well-mixed atmosphere, low pressure |
06 Dec Wednesday | ![]() |
precipitation, cold temperatures, well-mixed atmosphere, low pressure |
07 Dec Thursday | ![]() |
well-mixed atmosphere, low pressure |
08 Dec Friday | ![]() |
well-mixed atmosphere, low pressure |
09 Dec Saturday | ![]() |
well-mixed atmosphere, low pressure |
Detailed Forecast
Date | Category | Reason |
---|---|---|
02 Dec Evening | ![]() |
precipitation, well-mixed atmosphere, low pressure |
03 Dec Night | ![]() |
precipitation, well-mixed atmosphere, low pressure |
03 Dec Morning | ![]() |
precipitation, well-mixed atmosphere, low pressure |
03 Dec Afternoon | ![]() |
well-mixed atmosphere, low pressure |
03 Dec Evening | ![]() |
well-mixed atmosphere, low pressure |
04 Dec Night | ![]() |
cold temperatures, well-mixed atmosphere, low pressure |
04 Dec Morning | ![]() |
cold temperatures, well-mixed atmosphere, low pressure |
04 Dec Afternoon | ![]() |
well-mixed atmosphere, low pressure |