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 211 miles • updated 12/17/2014 05:15 PM EST
 View from Pinnacles near Skyline Drive, Looking Northwest</em>
Ozone (O3) at Big Meadows Monitoring Site  updated 12/17/2014 06:00 PM EST

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 24 ppb 30 ppb   42 ppb  
1-hour average 23 ppb 30 ppb   46 ppb  

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



AQI Ozone


Particulate Matter (PM2.5) at Big Meadows Monitoring Site updated 12/17/2014 05:00 PM EST

PM2.5 concentration
Current Today's
Maximum
Yesterday's
Maximum
24-hour average 1.9 μg/m3 6.3 μg/m3
1-hour average 1.2 μg/m3 1.7 μg/m3  11.9 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 12/17/2014 06:00 PM EST

Current temperature  31 F 
Yesterday's minimum temperature  37 F 
Yesterday's maximum temperature  49 F 
Current relative humidity  64 % 
Yesterday's minimum relative humidity  40 % 
Yesterday's maximum relative humidity  97 % 
Current wind speed  6 mph  
Current wind direction  WNW 
Precipitation in last hour  0.00 in. 
Precipitation since midnight  0.00 in. 
Yesterday's precipitation  0.22 in. 


Visibility  updated 12/17/2014 06:00 PM EST

Approximate Visual Range
Current Yesterday's
Maximum
Yesterday's
Minimum
  211 miles 165 miles 1 miles


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Current Air Quality »
at Big Meadows
Ozone - O3
updated 12/17/2014 06:00 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 1.2 micrograms per cubic meter
Particulate Matter - PM2.5
updated 12/17/2014 05:00 PM EST
  • See more air data »
  • Current Weather »
    at Big Meadows
    updated 12/17/2014 06:00 PM EST
    Temperature
    31 F

    Humidity
    64 %

    Wind
    WNW-6 mph

    Precipitation - 1 hr
    0 in.

  • See more weather data »
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    Last Updated: December 17, 2014