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 10 miles • updated 02/26/2015 11:00 PM EST
 View from Look Rock, Looking East
Ozone (O3updated 02/26/2015 10:00 PM EST

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 40 ppb 40 ppb   38 ppb  
1-hour average 43 ppb 44 ppb   41 ppb  

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



AQI Ozone


Particulate Matter (PM2.5 updated 02/26/2015 10:00 PM EST

PM2.5 concentration
Current Today's
Maximum
Yesterday's
Maximum
24-hour average 8.8 μg/m3 8.0 μg/m3
1-hour average 11.1 μg/m3 13.2 μg/m3  11.4 μg/m3

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



Particulate Matter (PM2.5)


Weather  updated 02/26/2015 10:00 PM EST

Current temperature  27 F 
Yesterday's minimum temperature  20 F 
Yesterday's maximum temperature  27 F 
Current relative humidity  99 % 
Yesterday's minimum relative humidity  90 % 
Yesterday's maximum relative humidity  98 % 
Current wind speed  1 mph  
Current wind direction  SW 
Current solar radiation  0 watts/m 2 
Precipitation in last hour  0.00 in. 
Precipitation since midnight  0.13 in. 
Yesterday's precipitation  0.23 in. 


Visibility  updated 02/26/2015 10:00 PM EST

Approximate Visual Range
Current Yesterday's
Maximum
Yesterday's
Minimum
  10 miles 52 miles 6 miles


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Current Air Quality »
Ozone - O3
updated 02/26/2015 10:00 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 11.1 micrograms per cubic meter
Particulate Matter - PM2.5
updated 02/26/2015 10:00 PM EST
  • See more air data »
  • Current Weather »
    updated 02/26/2015 10:00 PM EST
    Temperature
    27 F

    Humidity
    99 %

    Wind
    SW-1 mph

    Precipitation - 1 hr
    0 in.

  • See more weather data »
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    Last Updated: February 26, 2015