Northern Virginia
Rise 6:59AM
Set 7:30PM
Reporting Location : Manassas, VA
Clear. Cool.
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Rise 6:59AM
Set 7:30PM
Waning gibbous
Rise11:07PM
Set8:24AM
THURSDAY AFTERNOON
IAD / No delays
Air Quality Observations
Station Name | Concentration | Category |
---|---|---|
Shenandoah NP | 49 ppb | Good |
Rockville | 42 ppb | Good |
South Carroll | 45 ppb | Good |
Frederick Airport | 43 ppb | Good |
MORGANTOWN | 51 ppb | Moderate |
Hagerstown | 48 ppb | Good |
Air Quality Forecast
Date | Pollutant | Concentration | Category |
---|---|---|---|
27 Mar | Particulates smaller than 2.5 microns | 30 ppb | Good |
28 Mar | Particulates smaller than 2.5 microns | 29 ppb | Good |
29 Mar | Particulates smaller than 2.5 microns | 29 ppb | Good |
30 Mar | Particulates smaller than 2.5 microns | 42 ppb | Good |
31 Mar | Particulates smaller than 2.5 microns | 42 ppb | Good |
01 Apr | Particulates smaller than 2.5 microns | n/a | Good |
02 Apr | Particulates smaller than 2.5 microns | n/a | Good |
Rise 6:59AM
Set 7:30PM
Waning gibbous
Rise11:07PM
Set8:24AM
THURSDAY AFTERNOON
IAD / No delays
Extended Forecast
Date | Category | Reason |
---|---|---|
29 Mar Friday | Good | well-mixed atmosphere, low pressure |
30 Mar Saturday | Good | well-mixed atmosphere, low pressure |
31 Mar Sunday | Good | well-mixed atmosphere, low pressure |
01 Apr Monday | Good | precipitation, well-mixed atmosphere, low pressure |
02 Apr Tuesday | Good | precipitation, well-mixed atmosphere, low pressure |
03 Apr Wednesday | Good | strong winds, precipitation, well-mixed atmosphere, low pressure |
04 Apr Thursday | Good | strong winds, precipitation, well-mixed atmosphere, low pressure |
Detailed Forecast
Date | Category | Reason |
---|---|---|
28 Mar Evening | Good | well-mixed atmosphere, low pressure |
29 Mar Night | Good | cold temperatures, well-mixed atmosphere, low pressure |
29 Mar Morning | Good | cold temperatures, well-mixed atmosphere, low pressure |
29 Mar Afternoon | Good | strong winds, well-mixed atmosphere, low pressure |
29 Mar Evening | Good | well-mixed atmosphere, low pressure |
30 Mar Night | Good | cold temperatures, well-mixed atmosphere, low pressure |
30 Mar Morning | Good | cold temperatures, well-mixed atmosphere, low pressure |
30 Mar Afternoon | Good | well-mixed atmosphere, low pressure |