National Park Service

Air Resources






For more information about National Park Service air resources, please visit http://www.nature.nps.gov/air/.

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Great Smoky Mountains National Park

  • View from Look Rock
    Looking East
  • Air Data
    & Weather
  • NPS Air
    Webcams
Visual Range is about 95 miles • updated 02/07/2012 10:00 PM EST
View from Look Rock, Looking East
Ozone (O3)  updated 02/07/2012 09:00 PM EST

O3 concentration Current Today's
Maximum		 Yesterday's
Maximum
8-hour average 40 ppb 40 ppb   35 ppb  
1-hour average 40 ppb 43 ppb   37 ppb  

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



AQI Ozone


Particulate Matter (PM2.5)  updated 02/07/2012 09:00 PM EST

PM2.5 concentration
Current Today's
Maximum		 Yesterday's
Maximum
24-hour average 10.5 μg/m3 — 8.9 μg/m3
1-hour average 12.8 μg/m3 15 μg/m3  11.8 μg/m3

*Particulate Matter (PM2.5) is measured in micrograms per cubic meter (μg/m3)



Particulate Matter (PM2.5)


Weather  updated 02/07/2012 09:00 PM EST

Current temperature  42 F 
Yesterday's minimum temperature  37 F 
Yesterday's maximum temperature  44 F 
Current relative humidity  52 % 
Yesterday's minimum relative humidity  71 % 
Yesterday's maximum relative humidity  99 % 
Current wind speed  5 mph  
Current wind direction  N 
Current solar radiation  -1 watts/m 2 
Precipitation in last hour  0.00 in. 
Precipitation since midnight  0.00 in. 
Yesterday's precipitation  0.00 in. 


Visibility  updated 02/07/2012 10:00 PM EST

Approximate Visual Range
 Current Yesterday's
Maximum		 Yesterday's
Minimum
  95 miles 76 miles 1 miles


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Current Air Quality »
Ozone - O3
updated 02/07/2012 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 12.8 micrograms per cubic meter
Particulate Matter - PM2.5
updated 02/07/2012 09:00 PM EST
  • See more air data »
    • Current Weather »
    updated 02/07/2012 09:00 PM EST
    Temperature
    42 F

    Humidity
    52 %

    Wind
    N-5 mph

    Precipitation - 1 hr
    0 in.

  • See more weather data »
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    Last Updated: February 07, 2012