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 149 miles • updated 10/19/2014 10:00 PM EDT
 View from Pinnacles near Skyline Drive, Looking Northwest</em>
Ozone (O3) at Big Meadows Monitoring Site  updated 10/20/2014 12:00 AM EDT

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 41 ppb 41 ppb   44 ppb  
1-hour average 46 ppb 47 ppb   47 ppb  

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



AQI Ozone


Particulate Matter (PM2.5) at Big Meadows Monitoring Site updated 10/19/2014 11:00 PM EDT

PM2.5 concentration
Current Today's
Maximum
Yesterday's
Maximum
24-hour average 2.7 μg/m3 4 μg/m3
1-hour average 3.0 μg/m3 4.5 μg/m3  6.9 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 10/20/2014 12:00 AM EDT

Current temperature  37 F 
Yesterday's minimum temperature  37 F 
Yesterday's maximum temperature  53 F 
Current relative humidity  56 % 
Yesterday's minimum relative humidity  61 % 
Yesterday's maximum relative humidity  86 % 
Current wind speed  1 mph  
Current wind direction  SW 
Precipitation in last hour  0.00 in. 
Precipitation since midnight  0.00 in. 
Yesterday's precipitation  0.00 in. 


Visibility  updated 10/19/2014 10:00 PM EDT

Approximate Visual Range
Current Yesterday's
Maximum
Yesterday's
Minimum
  149 miles 179 miles 58 miles


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Current Air Quality »
at Big Meadows
Ozone - O3
updated 10/20/2014 12:00 AM EDT
Ozone concentration is ***O3*** parts per billion air quality index (AQI) for Ozone and Particulate Matter from good to unhealthy PM 2.5 is 3.0 micrograms per cubic meter
Particulate Matter - PM2.5
updated 10/19/2014 11:00 PM EDT
  • See more air data »
  • Current Weather »
    at Big Meadows
    updated 10/20/2014 12:00 AM EDT
    Temperature
    37 F

    Humidity
    56 %

    Wind
    SW-1 mph

    Precipitation - 1 hr
    0 in.

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