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 39 miles • updated 05/24/2012 04:30 AM EDT
View from Look Rock, Looking East
Ozone (O3)  updated 05/24/2012 04:00 AM EDT

O3 concentration Current Today's
Maximum		 Yesterday's
Maximum
8-hour average 48 ppb 49 ppb   52 ppb  
1-hour average 45 ppb 46 ppb   58 ppb  

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



AQI Ozone


Particulate Matter (PM2.5)  updated 05/24/2012 04:00 AM EDT

PM2.5 concentration
Current Today's
Maximum		 Yesterday's
Maximum
24-hour average 12.2 μg/m3 — 11.7 μg/m3
1-hour average 10.1 μg/m3 10.1 μg/m3  16.7 μg/m3

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



Particulate Matter (PM2.5)


Weather  updated 05/24/2012 04:00 AM EDT

Current temperature  62 F 
Yesterday's minimum temperature  57 F 
Yesterday's maximum temperature  71 F 
Current relative humidity  84 % 
Yesterday's minimum relative humidity  70 % 
Yesterday's maximum relative humidity  101 % 
Current wind speed  4 mph  
Current wind direction  SSE 
Current solar radiation  0 watts/m 2 
Precipitation in last hour  0.00 in. 
Precipitation since midnight  0.00 in. 
Yesterday's precipitation  0.02 in. 


Visibility  updated 05/24/2012 04:00 AM EDT

Approximate Visual Range
 Current Yesterday's
Maximum		 Yesterday's
Minimum
  39 miles 38 miles 8 miles


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Current Air Quality »
Ozone - O3
updated 05/24/2012 04:00 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 10.1 micrograms per cubic meter
Particulate Matter - PM2.5
updated 05/24/2012 04:00 AM EDT
  • See more air data »
    • Current Weather »
    updated 05/24/2012 04:00 AM EDT
    Temperature
    62 F

    Humidity
    84 %

    Wind
    SSE-4 mph

    Precipitation - 1 hr
    0 in.

  • See more weather data »
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    Last Updated: May 24, 2012