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 96 miles • updated 04/21/2014 03:00 AM EDT
 View from Look Rock, Looking East
Ozone (O3updated 04/21/2014 02:00 AM EDT

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 63 ppb 63 ppb   64 ppb  
1-hour average 59 ppb 59 ppb   67 ppb  

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



AQI Ozone


Particulate Matter (PM2.5 updated 04/21/2014 02:00 AM EDT

PM2.5 concentration
Current Today's
Maximum
Yesterday's
Maximum
24-hour average 11.6 μg/m3 11.4 μg/m3
1-hour average 11.6 μg/m3 11.6 μg/m3  14.3 μg/m3

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



Particulate Matter (PM2.5)


Weather  updated 04/21/2014 02:00 AM EDT

Current temperature  61 F 
Yesterday's minimum temperature  50 F 
Yesterday's maximum temperature  68 F 
Current relative humidity  41 % 
Yesterday's minimum relative humidity  25 % 
Yesterday's maximum relative humidity  78 % 
Current wind speed  4 mph  
Current wind direction  S 
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 04/21/2014 03:00 AM EDT

Approximate Visual Range
Current Yesterday's
Maximum
Yesterday's
Minimum
  96 miles 107 miles 50 miles


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Current Air Quality »
Ozone - O3
updated 04/21/2014 02:00 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 11.6 micrograms per cubic meter
Particulate Matter - PM2.5
updated 04/21/2014 02:00 AM EDT
  • See more air data »
  • Current Weather »
    updated 04/21/2014 02:00 AM EDT
    Temperature
    61 F

    Humidity
    41 %

    Wind
    S-4 mph

    Precipitation - 1 hr
    0 in.

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