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


Great Smoky Mountains National Park

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    Looking East
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Visual Range is about 40 miles • updated 08/28/2015 10:45 AM EDT
 View from Look Rock, Looking East
Ozone (O3updated 08/28/2015 10:00 AM EDT

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 52 ppb 52 ppb   56 ppb  
1-hour average 47 ppb 58 ppb   61 ppb  

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



AQI Ozone


Particulate Matter (PM2.5 updated 08/28/2015 10:00 AM EDT

PM2.5 concentration
Current Today's
Maximum
Yesterday's
Maximum
24-hour average 14.3 μg/m3 12.4 μg/m3
1-hour average 18.2 μg/m3 18.7 μg/m3  14.6 μg/m3

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



Particulate Matter (PM2.5)


Weather  updated 08/28/2015 10:00 AM EDT

Current temperature  68 F 
Yesterday's minimum temperature  59 F 
Yesterday's maximum temperature  73 F 
Current relative humidity  73 % 
Yesterday's minimum relative humidity  61 % 
Yesterday's maximum relative humidity  77 % 
Current wind speed  1 mph  
Current wind direction  SE 
Current solar radiation  307 watts/m 2 
Precipitation in last hour  0.00 in. 
Precipitation since midnight  0.00 in. 
Yesterday's precipitation  0.00 in. 


Visibility  updated 08/28/2015 09:00 AM EDT

Approximate Visual Range
Current Yesterday's
Maximum
Yesterday's
Minimum
  40 miles 65 miles 47 miles


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Current Air Quality »
Ozone - O3
updated 08/28/2015 10:00 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 18.2 micrograms per cubic meter
Particulate Matter - PM2.5
updated 08/28/2015 10:00 AM EDT
  • See more air data »
  • Current Weather »
    updated 08/28/2015 10:00 AM EDT
    Temperature
    68 F

    Humidity
    73 %

    Wind
    SE-1 mph

    Precipitation - 1 hr
    0 in.

  • See more weather data »
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    Last Updated: August 28, 2015