National Park Service

Air Resources






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

NPS » Explore Nature » Air Resources

Great Smoky Mountains National Park

  • View from Look Rock
    Looking East
  • Air Data
    & Weather
  • NPS Air
    Webcams
Visual Range is about 64 miles • updated 02/09/2012 01:45 PM EST
View from Look Rock, Looking East
Ozone (O3)  updated 02/09/2012 01:00 PM EST

O3 concentration Current Today's
Maximum		 Yesterday's
Maximum
8-hour average 24 ppb 33 ppb   39 ppb  
1-hour average 28 ppb 30 ppb   43 ppb  

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



AQI Ozone


Particulate Matter (PM2.5)  updated 02/09/2012 01:00 PM EST

PM2.5 concentration
Current Today's
Maximum		 Yesterday's
Maximum
24-hour average 12.8 μg/m3 — 13.1 μg/m3
1-hour average 4.7 μg/m3 17.1 μg/m3  25.8 μg/m3

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



Particulate Matter (PM2.5)


Weather  updated 02/09/2012 01:00 PM EST

Current temperature  34 F 
Yesterday's minimum temperature  31 F 
Yesterday's maximum temperature  41 F 
Current relative humidity  68 % 
Yesterday's minimum relative humidity  52 % 
Yesterday's maximum relative humidity  90 % 
Current wind speed  7 mph  
Current wind direction  NNW 
Current solar radiation  647 watts/m 2 
Precipitation in last hour  0.00 in. 
Precipitation since midnight  0.00 in. 
Yesterday's precipitation  0.00 in. 


Visibility  updated 02/09/2012 02:00 PM EST

Approximate Visual Range
 Current Yesterday's
Maximum		 Yesterday's
Minimum
  64 miles 132 miles 19 miles


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Current Air Quality »
Ozone - O3
updated 02/09/2012 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 02/09/2012 01:00 PM EST
  • See more air data »
    • Current Weather »
    updated 02/09/2012 01:00 PM EST
    Temperature
    34 F

    Humidity
    68 %

    Wind
    NNW-7 mph

    Precipitation - 1 hr
    0 in.

  • See more weather data »
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    Last Updated: February 09, 2012