For more information about National Park Service air resources, please visit http://www.nature.nps.gov/air/.


Shenandoah National Park

  • View from Pinnacles, Skyline Drive
    Looking Northwest
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Visual Range is about 75 miles •
 View from Pinnacles near Skyline Drive, Looking Northwest</em>
Ozone (O3) at Big Meadows Monitoring Site  updated 02/28/2015 12:00 PM ST

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 40 ppb 42 ppb   44 ppb  
1-hour average 42 ppb 43 ppb   47 ppb  

*Ozone (O3) is measured in parts per billion (ppb)



AQI Ozone


Particulate Matter (PM2.5) at Big Meadows Monitoring Site updated 02/28/2015 11:00 AM ST

PM2.5 concentration
Current Today's
Maximum
Yesterday's
Maximum
24-hour average 8.1 μg/m3 11.2 μg/m3
1-hour average 8.3 μg/m3 9.9 μg/m3  17.4 μg/m3

*Particulate Matter (PM2.5) is measured in micrograms per cubic meter (μg/m3)



Particulate Matter (PM2.5)


Weather at Big Meadows Monitoring Site  updated 02/28/2015 12:00 PM ST

Current temperature  16 F 
Yesterday's minimum temperature  7 F 
Yesterday's maximum temperature  21 F 
Current relative humidity  54 % 
Yesterday's minimum relative humidity  52 % 
Yesterday's maximum relative humidity  96 % 
Current wind speed  2 mph  
Current wind direction  WSW 
Precipitation in last hour  0.00 in. 
Precipitation since midnight  0.00 in. 
Yesterday's precipitation  0.00 in. 


Visibility  updated 02/28/2015 12:00 PM ST

Approximate Visual Range
Current Yesterday's
Maximum
Yesterday's
Minimum
  75 miles 109 miles 1 miles


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Current Air Quality »
at Big Meadows
Ozone - O3
updated 02/28/2015 12:00 PM ST
Ozone concentration is ***O3*** parts per billion air quality index (AQI) for Ozone and Particulate Matter from good to unhealthy PM 2.5 is 8.3 micrograms per cubic meter
Particulate Matter - PM2.5
updated 02/28/2015 11:00 AM ST
  • See more air data »
  • Current Weather »
    at Big Meadows
    updated 02/28/2015 12:00 PM ST
    Temperature
    16 F

    Humidity
    54 %

    Wind
    WSW-2 mph

    Precipitation - 1 hr
    0 in.

  • See more weather data »
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    Last Updated: February 28, 2015