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 110 miles •
 View from Look Rock, Looking East
Ozone (O3updated 01/25/2015 07:00 PM ST

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 41 ppb 41 ppb   37 ppb  
1-hour average 41 ppb 44 ppb   40 ppb  

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



AQI Ozone


Particulate Matter (PM2.5 updated 01/25/2015 07:00 PM ST

PM2.5 concentration
Current Today's
Maximum
Yesterday's
Maximum
24-hour average 6.1 μg/m3 6.3 μg/m3
1-hour average 12.7 μg/m3 12.7 μg/m3  13.4 μg/m3

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



Particulate Matter (PM2.5)


Weather  updated 01/25/2015 07:00 PM ST

Current temperature  44 F 
Yesterday's minimum temperature  26 F 
Yesterday's maximum temperature  37 F 
Current relative humidity  57 % 
Yesterday's minimum relative humidity  78 % 
Yesterday's maximum relative humidity  100 % 
Current wind speed  6 mph  
Current wind direction  NW 
Current solar radiation  0 watts/m 2 
Precipitation in last hour  0.00 in. 
Precipitation since midnight  0.00 in. 
Yesterday's precipitation  0.13 in. 


Visibility  updated 01/25/2015 07:00 PM ST

Approximate Visual Range
Current Yesterday's
Maximum
Yesterday's
Minimum
  110 miles 49 miles 1 miles


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Current Air Quality »
Ozone - O3
updated 01/25/2015 07:00 PM ST
Ozone concentration is ***O3*** parts per billion air quality index (AQI) for Ozone and Particulate Matter from good to unhealthy PM 2.5 is 12.7 micrograms per cubic meter
Particulate Matter - PM2.5
updated 01/25/2015 07:00 PM ST
  • See more air data »
  • Current Weather »
    updated 01/25/2015 07:00 PM ST
    Temperature
    44 F

    Humidity
    57 %

    Wind
    NW-6 mph

    Precipitation - 1 hr
    0 in.

  • See more weather data »
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    Last Updated: January 25, 2015