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


Great Smoky Mountains National Park

  • View from Look Rock
    Looking East
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Visual Range is about 18 miles • updated 12/21/2014 11:30 AM EST
 View from Look Rock, Looking East
Ozone (O3updated 12/21/2014 11:00 AM EST

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 31 ppb 33 ppb   31 ppb  
1-hour average 30 ppb 35 ppb   34 ppb  

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



AQI Ozone


Particulate Matter (PM2.5 updated 12/21/2014 11:00 AM EST

PM2.5 concentration
Current Today's
Maximum
Yesterday's
Maximum
24-hour average 7.2 μg/m3 7.8 μg/m3
1-hour average 6.6 μg/m3 8.8 μg/m3  10.7 μg/m3

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



Particulate Matter (PM2.5)


Weather  updated 12/21/2014 11:00 AM EST

Current temperature  42 F 
Yesterday's minimum temperature  34 F 
Yesterday's maximum temperature  37 F 
Current relative humidity  73 % 
Yesterday's minimum relative humidity  58 % 
Yesterday's maximum relative humidity  98 % 
Current wind speed  5 mph  
Current wind direction  S 
Current solar radiation  422 watts/m 2 
Precipitation in last hour  0.00 in. 
Precipitation since midnight  0.00 in. 
Yesterday's precipitation  0.00 in. 


Visibility  updated 12/21/2014 11:00 AM EST

Approximate Visual Range
Current Yesterday's
Maximum
Yesterday's
Minimum
  18 miles 79 miles 1 miles


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Current Air Quality »
Ozone - O3
updated 12/21/2014 11:00 AM 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 6.6 micrograms per cubic meter
Particulate Matter - PM2.5
updated 12/21/2014 11:00 AM EST
  • See more air data »
  • Current Weather »
    updated 12/21/2014 11:00 AM EST
    Temperature
    42 F

    Humidity
    73 %

    Wind
    S-5 mph

    Precipitation - 1 hr
    0 in.

  • See more weather data »
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    Last Updated: December 21, 2014