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 50 miles • updated 10/02/2014 12:15 PM EDT
 View from Look Rock, Looking East
Ozone (O3updated 10/02/2014 12:00 PM EDT

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 44 ppb 47 ppb   57 ppb  
1-hour average 36 ppb 49 ppb   60 ppb  

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



AQI Ozone


Particulate Matter (PM2.5 updated 10/02/2014 12:00 PM EDT

PM2.5 concentration
Current Today's
Maximum
Yesterday's
Maximum
24-hour average 11.9 μg/m3 13 μg/m3
1-hour average 12.6 μg/m3 14.7 μg/m3  21.2 μg/m3

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



Particulate Matter (PM2.5)


Weather  updated 10/02/2014 12:00 PM EDT

Current temperature  70 F 
Yesterday's minimum temperature  64 F 
Yesterday's maximum temperature  72 F 
Current relative humidity  68 % 
Yesterday's minimum relative humidity  45 % 
Yesterday's maximum relative humidity  76 % 
Current wind speed  2 mph  
Current wind direction  SSE 
Current solar radiation  649 watts/m 2 
Precipitation in last hour  0.00 in. 
Precipitation since midnight  0.00 in. 
Yesterday's precipitation  0.00 in. 


Visibility  updated 10/02/2014 12:00 PM EDT

Approximate Visual Range
Current Yesterday's
Maximum
Yesterday's
Minimum
  50 miles 47 miles 19 miles


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Current Air Quality »
Ozone - O3
updated 10/02/2014 12:00 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 12.6 micrograms per cubic meter
Particulate Matter - PM2.5
updated 10/02/2014 12:00 PM EDT
  • See more air data »
  • Current Weather »
    updated 10/02/2014 12:00 PM EDT
    Temperature
    70 F

    Humidity
    68 %

    Wind
    SSE-2 mph

    Precipitation - 1 hr
    0 in.

  • See more weather data »
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    Last Updated: October 02, 2014