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 111 miles • updated 09/01/2014 02:30 PM EDT
 View from Pinnacles near Skyline Drive, Looking Northwest</em>
Ozone (O3) at Big Meadows Monitoring Site  updated 09/01/2014 02:00 PM EDT

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 25 ppb 30 ppb   37 ppb  
1-hour average 29 ppb 30 ppb   39 ppb  

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



AQI Ozone


Particulate Matter (PM2.5) at Big Meadows Monitoring Site updated 09/01/2014 01:00 PM EDT

PM2.5 concentration
Current Today's
Maximum
Yesterday's
Maximum
24-hour average 4.9 μg/m3 6.4 μg/m3
1-hour average 4.1 μg/m3 7.1 μg/m3  9.5 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 09/01/2014 02:00 PM EDT

Current temperature  72 F 
Yesterday's minimum temperature  65 F 
Yesterday's maximum temperature  74 F 
Current relative humidity  75 % 
Yesterday's minimum relative humidity  73 % 
Yesterday's maximum relative humidity  95 % 
Current wind speed  3 mph  
Current wind direction  WNW 
Precipitation in last hour  0.00 in. 
Precipitation since midnight  0.00 in. 
Yesterday's precipitation  0.02 in. 


Visibility  updated 09/01/2014 01:00 PM EDT

Approximate Visual Range
Current Yesterday's
Maximum
Yesterday's
Minimum
  111 miles 122 miles 9 miles


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Current Air Quality »
at Big Meadows
Ozone - O3
updated 09/01/2014 02:00 PM 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 4.1 micrograms per cubic meter
Particulate Matter - PM2.5
updated 09/01/2014 01:00 PM EDT
  • See more air data »
  • Current Weather »
    at Big Meadows
    updated 09/01/2014 02:00 PM EDT
    Temperature
    72 F

    Humidity
    75 %

    Wind
    WNW-3 mph

    Precipitation - 1 hr
    0 in.

  • See more weather data »
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    Last Updated: September 01, 2014