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 122 miles • updated 05/25/2013 01:15 PM EDT
View from Look Rock, Looking East
Ozone (O3)  updated 05/25/2013 01:00 PM EDT

O3 concentration Current Today's
Maximum		 Yesterday's
Maximum
8-hour average 41 ppb 47 ppb   48 ppb  
1-hour average 41 ppb 45 ppb   51 ppb  

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



AQI Ozone


Particulate Matter (PM2.5)  updated 05/25/2013 12:00 PM EDT

PM2.5 concentration
Current Today's
Maximum		 Yesterday's
Maximum
24-hour average 5.3 μg/m3 — 5.4 μg/m3
1-hour average 6.6 μg/m3 8.4 μg/m3  9.6 μg/m3

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



Particulate Matter (PM2.5)


Weather  updated 05/25/2013 01:00 PM EDT

Current temperature  62 F 
Yesterday's minimum temperature  49 F 
Yesterday's maximum temperature  61 F 
Current relative humidity  51 % 
Yesterday's minimum relative humidity  42 % 
Yesterday's maximum relative humidity  99 % 
Current wind speed  5 mph  
Current wind direction  NNW 
Current solar radiation  887 watts/m 2 
Precipitation in last hour  0.00 in. 
Precipitation since midnight  0.00 in. 
Yesterday's precipitation  0.04 in. 


Visibility  updated 05/25/2013 01:00 PM EDT

Approximate Visual Range
 Current Yesterday's
Maximum		 Yesterday's
Minimum
  122 miles 133 miles 4 miles


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Current Air Quality »
Ozone - O3
updated 05/25/2013 01:00 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 6.6 micrograms per cubic meter
Particulate Matter - PM2.5
updated 05/25/2013 12:00 PM EDT
  • See more air data »
    • Current Weather »
    updated 05/25/2013 01:00 PM EDT
    Temperature
    62 F

    Humidity
    51 %

    Wind
    NNW-5 mph

    Precipitation - 1 hr
    0 in.

  • See more weather data »
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    Last Updated: May 25, 2013