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 30 miles • updated 08/01/2014 10:15 PM EDT
 View from Look Rock, Looking East
Ozone (O3updated 08/01/2014 10:00 PM EDT

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 51 ppb 51 ppb   49 ppb  
1-hour average 46 ppb 54 ppb   52 ppb  

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



AQI Ozone


Particulate Matter (PM2.5 updated 08/01/2014 10:00 PM EDT

PM2.5 concentration
Current Today's
Maximum
Yesterday's
Maximum
24-hour average 13 μg/m3 14.1 μg/m3
1-hour average 10.4 μg/m3 17.6 μg/m3  20.1 μg/m3

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



Particulate Matter (PM2.5)


Weather  updated 08/01/2014 10:00 PM EDT

Current temperature  70 F 
Yesterday's minimum temperature  63 F 
Yesterday's maximum temperature  70 F 
Current relative humidity  73 % 
Yesterday's minimum relative humidity  63 % 
Yesterday's maximum relative humidity  85 % 
Current wind speed  3 mph  
Current wind direction  SE 
Current solar radiation  0 watts/m 2 
Precipitation in last hour  0.00 in. 
Precipitation since midnight  0.00 in. 
Yesterday's precipitation  0.00 in. 


Visibility  updated 08/01/2014 10:00 PM EDT

Approximate Visual Range
Current Yesterday's
Maximum
Yesterday's
Minimum
  30 miles 24 miles 15 miles


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Current Air Quality »
Ozone - O3
updated 08/01/2014 10:00 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 10.4 micrograms per cubic meter
Particulate Matter - PM2.5
updated 08/01/2014 10:00 PM EDT
  • See more air data »
  • Current Weather »
    updated 08/01/2014 10:00 PM EDT
    Temperature
    70 F

    Humidity
    73 %

    Wind
    SE-3 mph

    Precipitation - 1 hr
    0 in.

  • See more weather data »
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    Last Updated: August 01, 2014