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 82 miles • updated 03/04/2015 01:45 PM EST
 View from Look Rock, Looking East
Ozone (O3updated 03/04/2015 01:00 PM EST

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 26 ppb 27 ppb   29 ppb  
1-hour average 25 ppb 31 ppb   32 ppb  

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



AQI Ozone


Particulate Matter (PM2.5 updated 03/04/2015 01:00 PM EST

PM2.5 concentration
Current Today's
Maximum
Yesterday's
Maximum
24-hour average 5.2 μg/m3 4.4 μg/m3
1-hour average 6.4 μg/m3 7.8 μg/m3  7.3 μg/m3

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



Particulate Matter (PM2.5)


Weather  updated 03/04/2015 01:00 PM EST

Current temperature  61 F 
Yesterday's minimum temperature  42 F 
Yesterday's maximum temperature  57 F 
Current relative humidity  82 % 
Yesterday's minimum relative humidity  84 % 
Yesterday's maximum relative humidity  99 % 
Current wind speed  5 mph  
Current wind direction  WSW 
Current solar radiation  181 watts/m 2 
Precipitation in last hour  0.00 in. 
Precipitation since midnight  0.03 in. 
Yesterday's precipitation  0.33 in. 


Visibility  updated 03/04/2015 01:00 PM EST

Approximate Visual Range
Current Yesterday's
Maximum
Yesterday's
Minimum
  82 miles 204 miles 1 miles


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Current Air Quality »
Ozone - O3
updated 03/04/2015 01:00 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 6.4 micrograms per cubic meter
Particulate Matter - PM2.5
updated 03/04/2015 01:00 PM EST
  • See more air data »
  • Current Weather »
    updated 03/04/2015 01:00 PM EST
    Temperature
    61 F

    Humidity
    82 %

    Wind
    WSW-5 mph

    Precipitation - 1 hr
    0 in.

  • See more weather data »
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    Last Updated: March 04, 2015