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 96 miles • updated 04/24/2014 05:45 PM DT
 View from Look Rock, Looking East
Ozone (O3updated 04/24/2014 06:00 PM DT

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 57 ppb 59 ppb   61 ppb  
1-hour average 67 ppb 67 ppb   63 ppb  

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



AQI Ozone


Particulate Matter (PM2.5 updated 04/24/2014 04:00 PM DT

PM2.5 concentration
Current Today's
Maximum
Yesterday's
Maximum
24-hour average 8.8 μg/m3 6.9 μg/m3
1-hour average 10.6 μg/m3 26.1 μg/m3  11.1 μg/m3

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



Particulate Matter (PM2.5)


Weather  updated 04/24/2014 06:00 PM DT

Current temperature  70 F 
Yesterday's minimum temperature  45 F 
Yesterday's maximum temperature  60 F 
Current relative humidity  27 % 
Yesterday's minimum relative humidity  22 % 
Yesterday's maximum relative humidity  63 % 
Current wind speed  6 mph  
Current wind direction  NW 
Current solar radiation  681 watts/m 2 
Precipitation in last hour  0.00 in. 
Precipitation since midnight  0.00 in. 
Yesterday's precipitation  0.00 in. 


Visibility  updated 04/24/2014 06:00 PM DT

Approximate Visual Range
Current Yesterday's
Maximum
Yesterday's
Minimum
  96 miles 153 miles 25 miles


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Current Air Quality »
Ozone - O3
updated 04/24/2014 06:00 PM DT
Ozone concentration is ***O3*** parts per billion air quality index (AQI) for Ozone and Particulate Matter from good to unhealthy PM 2.5 is 10.6 micrograms per cubic meter
Particulate Matter - PM2.5
updated 04/24/2014 04:00 PM DT
  • See more air data »
  • Current Weather »
    updated 04/24/2014 06:00 PM DT
    Temperature
    70 F

    Humidity
    27 %

    Wind
    NW-6 mph

    Precipitation - 1 hr
    0 in.

  • See more weather data »
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    Last Updated: April 24, 2014