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 116 miles • updated 01/28/2015 12:00 PM EST
 View from Pinnacles near Skyline Drive, Looking Northwest</em>
Ozone (O3) at Big Meadows Monitoring Site  updated 01/28/2015 01:00 PM EST

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 41 ppb 41 ppb   34 ppb  
1-hour average 42 ppb 44 ppb   36 ppb  

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



AQI Ozone


Particulate Matter (PM2.5) at Big Meadows Monitoring Site updated 01/28/2015 11:00 AM EST

PM2.5 concentration
Current Today's
Maximum
Yesterday's
Maximum
24-hour average 7.3 μg/m3 7.4 μg/m3
1-hour average 4.7 μg/m3 8.2 μg/m3  10.0 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 01/28/2015 01:00 PM EST

Current temperature  19 F 
Yesterday's minimum temperature  12 F 
Yesterday's maximum temperature  18 F 
Current relative humidity  80 % 
Yesterday's minimum relative humidity  91 % 
Yesterday's maximum relative humidity  94 % 
Current wind speed  6 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 01/28/2015 12:00 PM EST

Approximate Visual Range
Current Yesterday's
Maximum
Yesterday's
Minimum
  116 miles 60 miles 3 miles


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Current Air Quality »
at Big Meadows
Ozone - O3
updated 01/28/2015 01:00 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 4.7 micrograms per cubic meter
Particulate Matter - PM2.5
updated 01/28/2015 11:00 AM EST
  • See more air data »
  • Current Weather »
    at Big Meadows
    updated 01/28/2015 01:00 PM EST
    Temperature
    19 F

    Humidity
    80 %

    Wind
    NW-6 mph

    Precipitation - 1 hr
    0 in.

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