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 20 miles • updated 04/18/2015 09:00 PM EDT
 View from Look Rock, Looking East
Ozone (O3updated 04/18/2015 08:00 PM EDT

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 40 ppb 40 ppb   32 ppb  
1-hour average 38 ppb 44 ppb   37 ppb  

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



AQI Ozone


Particulate Matter (PM2.5 updated 04/18/2015 08:00 PM EDT

PM2.5 concentration
Current Today's
Maximum
Yesterday's
Maximum
24-hour average 7.3 μg/m3 5.4 μg/m3
1-hour average 6.8 μg/m3 10.3 μg/m3  7.5 μg/m3

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



Particulate Matter (PM2.5)


Weather  updated 04/18/2015 08:00 PM EDT

Current temperature  62 F 
Yesterday's minimum temperature  54 F 
Yesterday's maximum temperature  60 F 
Current relative humidity  98 % 
Yesterday's minimum relative humidity  97 % 
Yesterday's maximum relative humidity  100 % 
Current wind speed  1 mph  
Current wind direction  SW 
Current solar radiation  10 watts/m 2 
Precipitation in last hour  0.02 in. 
Precipitation since midnight  0.06 in. 
Yesterday's precipitation  0.02 in. 


Visibility  updated 04/18/2015 07:00 PM EDT

Approximate Visual Range
Current Yesterday's
Maximum
Yesterday's
Minimum
  20 miles 60 miles 1 miles


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Current Air Quality »
Ozone - O3
updated 04/18/2015 08:00 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 6.8 micrograms per cubic meter
Particulate Matter - PM2.5
updated 04/18/2015 08:00 PM EDT
  • See more air data »
  • Current Weather »
    updated 04/18/2015 08:00 PM EDT
    Temperature
    62 F

    Humidity
    98 %

    Wind
    SW-1 mph

    Precipitation - 1 hr
    0.02 in.

  • See more weather data »
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    Last Updated: April 18, 2015