For more information about National Park Service air resources, please visit http://www.nature.nps.gov/air/.


Great Smoky Mountains National Park

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    Looking East
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Visual Range is about 40 miles • updated 10/25/2014 01:30 PM EDT
 View from Look Rock, Looking East
Ozone (O3updated 10/25/2014 01:00 PM EDT

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 42 ppb 44 ppb   44 ppb  
1-hour average 35 ppb 45 ppb   46 ppb  

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



AQI Ozone


Particulate Matter (PM2.5 updated 10/25/2014 01:00 PM EDT

PM2.5 concentration
Current Today's
Maximum
Yesterday's
Maximum
24-hour average 6.9 μg/m3 6.7 μg/m3
1-hour average 10.9 μg/m3 11.4 μg/m3  11.5 μg/m3

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



Particulate Matter (PM2.5)


Weather  updated 10/25/2014 01:00 PM EDT

Current temperature  58 F 
Yesterday's minimum temperature  47 F 
Yesterday's maximum temperature  58 F 
Current relative humidity  62 % 
Yesterday's minimum relative humidity  52 % 
Yesterday's maximum relative humidity  71 % 
Current wind speed  1 mph  
Current wind direction  NW 
Current solar radiation  654 watts/m 2 
Precipitation in last hour  0.00 in. 
Precipitation since midnight  0.00 in. 
Yesterday's precipitation  0.00 in. 


Visibility  updated 10/25/2014 01:00 PM EDT

Approximate Visual Range
Current Yesterday's
Maximum
Yesterday's
Minimum
  40 miles 85 miles 34 miles


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Current Air Quality »
Ozone - O3
updated 10/25/2014 01:00 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 10.9 micrograms per cubic meter
Particulate Matter - PM2.5
updated 10/25/2014 01:00 PM EDT
  • See more air data »
  • Current Weather »
    updated 10/25/2014 01:00 PM EDT
    Temperature
    58 F

    Humidity
    62 %

    Wind
    NW-1 mph

    Precipitation - 1 hr
    0 in.

  • See more weather data »
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    Last Updated: October 25, 2014