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 unavailable • updated 02/01/2015 05:00 PM EST
 View from Look Rock, Looking East
Ozone (O3updated 02/01/2015 05:00 PM EST

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 41 ppb 41 ppb   35 ppb  
1-hour average 43 ppb 44 ppb   37 ppb  

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



AQI Ozone


Particulate Matter (PM2.5 updated 02/01/2015 05:00 PM EST

PM2.5 concentration
Current Today's
Maximum
Yesterday's
Maximum
24-hour average 7 μg/m3 6.2 μg/m3
1-hour average 3.8 μg/m3 17.1 μg/m3  11.0 μg/m3

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



Particulate Matter (PM2.5)


Weather  updated 02/01/2015 05:00 PM EST

Current temperature  48 F 
Yesterday's minimum temperature  25 F 
Yesterday's maximum temperature  41 F 
Current relative humidity  83 % 
Yesterday's minimum relative humidity  32 % 
Yesterday's maximum relative humidity  68 % 
Current wind speed  13 mph  
Current wind direction  SSE 
Current solar radiation  14 watts/m 2 
Precipitation in last hour  0.01 in. 
Precipitation since midnight  0.06 in. 
Yesterday's precipitation  0.00 in. 


Visibility  updated 02/01/2015 05:00 PM EST

Approximate Visual Range
Current Yesterday's
Maximum
Yesterday's
Minimum
  unavailable 243 miles 75 miles


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Current Air Quality »
Ozone - O3
updated 02/01/2015 05:00 PM 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 3.8 micrograms per cubic meter
Particulate Matter - PM2.5
updated 02/01/2015 05:00 PM EST
  • See more air data »
  • Current Weather »
    updated 02/01/2015 05:00 PM EST
    Temperature
    48 F

    Humidity
    83 %

    Wind
    SSE-13 mph

    Precipitation - 1 hr
    0.01 in.

  • See more weather data »
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    Last Updated: February 01, 2015