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 47 miles • updated 10/21/2014 04:45 PM DT
 View from Look Rock, Looking East
Ozone (O3

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 39 ppb 39 ppb   37 ppb  
1-hour average 36 ppb 42 ppb   40 ppb  

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



AQI Ozone


Particulate Matter (PM2.5 updated 10/21/2014 04:00 PM DT

PM2.5 concentration
Current Today's
Maximum
Yesterday's
Maximum
24-hour average 8.2 μg/m3 6.7 μg/m3
1-hour average 8.4 μg/m3 13.5 μg/m3  9.8 μg/m3

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



Particulate Matter (PM2.5)


Weather 

Current temperature  50 F 
Yesterday's minimum temperature  49 F 
Yesterday's maximum temperature  60 F 
Current relative humidity  72 % 
Yesterday's minimum relative humidity  64 % 
Yesterday's maximum relative humidity  85 % 
Current wind speed  8 mph  
Current wind direction  N 
Current solar radiation  240 watts/m 2 
Precipitation in last hour  0.00 in. 
Precipitation since midnight  0.00 in. 
Yesterday's precipitation  0.00 in. 


Visibility  updated 10/21/2014 05:00 PM DT

Approximate Visual Range
Current Yesterday's
Maximum
Yesterday's
Minimum
  47 miles 41 miles 32 miles


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Current Air Quality »
Ozone - O3
Ozone concentration is ***O3*** parts per billion air quality index (AQI) for Ozone and Particulate Matter from good to unhealthy PM 2.5 is 8.4 micrograms per cubic meter
Particulate Matter - PM2.5
updated 10/21/2014 04:00 PM DT
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  • Current Weather »

    Temperature
    50 F

    Humidity
    72 %

    Wind
    N-8 mph

    Precipitation - 1 hr
    0 in.

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    Last Updated: October 21, 2014