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
  • Air Data
    & Weather
  • NPS Air
    Webcams
Visual Range is about 24 miles • updated 12/19/2014 08:00 PM EST
 View from Pinnacles near Skyline Drive, Looking Northwest</em>
Ozone (O3) at Big Meadows Monitoring Site  updated 12/19/2014 09:00 PM EST

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 20 ppb 24 ppb   29 ppb  
1-hour average 20 ppb 25 ppb   30 ppb  

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



AQI Ozone


Particulate Matter (PM2.5) at Big Meadows Monitoring Site updated 12/19/2014 07:00 PM EST

PM2.5 concentration
Current Today's
Maximum
Yesterday's
Maximum
24-hour average 6.5 μg/m3 5.5 μg/m3
1-hour average 7.1 μg/m3 8.2 μg/m3  7.4 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 12/19/2014 09:00 PM EST

Current temperature  19 F 
Yesterday's minimum temperature  18 F 
Yesterday's maximum temperature  28 F 
Current relative humidity  95 % 
Yesterday's minimum relative humidity  66 % 
Yesterday's maximum relative humidity  88 % 
Current wind speed  5 mph  
Current wind direction  NW 
Precipitation in last hour  0.00 in. 
Precipitation since midnight  0.00 in. 
Yesterday's precipitation  0.00 in. 


Visibility  updated 12/19/2014 08:00 PM EST

Approximate Visual Range
Current Yesterday's
Maximum
Yesterday's
Minimum
  24 miles 71 miles 45 miles


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Current Air Quality »
at Big Meadows
Ozone - O3
updated 12/19/2014 09:00 PM EST
Ozone concentration is ***O3*** parts per billion air quality index (AQI) for Ozone and Particulate Matter from good to unhealthy PM 2.5 is 7.1 micrograms per cubic meter
Particulate Matter - PM2.5
updated 12/19/2014 07:00 PM EST
  • See more air data »
  • Current Weather »
    at Big Meadows
    updated 12/19/2014 09:00 PM EST
    Temperature
    19 F

    Humidity
    95 %

    Wind
    NW-5 mph

    Precipitation - 1 hr
    0 in.

  • See more weather data »
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    Last Updated: December 19, 2014