National Park Service

Air Resources






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

NPS » Explore Nature » Air Resources

Great Smoky Mountains National Park

  • View from Look Rock
    Looking East
  • Air Data
    & Weather
  • NPS Air
    Webcams
Visual Range is about 81 miles • updated 02/15/2013 01:15 AM EST
View from Look Rock, Looking East
Ozone (O3)  updated 02/15/2013 12:00 AM EST

O3 concentration Current Today's
Maximum		 Yesterday's
Maximum
8-hour average 46 ppb 46 ppb   44 ppb  
1-hour average 45 ppb 48 ppb   46 ppb  

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



AQI Ozone


Particulate Matter (PM2.5)  updated 02/15/2013 01:00 AM EST

PM2.5 concentration
Current Today's
Maximum		 Yesterday's
Maximum
24-hour average 7.3 μg/m3 — 6.7 μg/m3
1-hour average 9.0 μg/m3 11.8 μg/m3  11.7 μg/m3

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



Particulate Matter (PM2.5)


Weather  updated 02/15/2013 01:00 AM EST

Current temperature  39 F 
Yesterday's minimum temperature  30 F 
Yesterday's maximum temperature  42 F 
Current relative humidity  66 % 
Yesterday's minimum relative humidity  83 % 
Yesterday's maximum relative humidity  100 % 
Current wind speed  3 mph  
Current wind direction  SSW 
Current solar radiation  0 watts/m 2 
Precipitation in last hour  0.00 in. 
Precipitation since midnight  0.00 in. 
Yesterday's precipitation  0.14 in. 


Visibility  updated 02/15/2013 02:00 AM EST

Approximate Visual Range
 Current Yesterday's
Maximum		 Yesterday's
Minimum
  81 miles 133 miles 1 miles


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Current Air Quality »
Ozone - O3
updated 02/15/2013 12:00 AM 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 9.0 micrograms per cubic meter
Particulate Matter - PM2.5
updated 02/15/2013 01:00 AM EST
  • See more air data »
    • Current Weather »
    updated 02/15/2013 01:00 AM EST
    Temperature
    39 F

    Humidity
    66 %

    Wind
    SSW-3 mph

    Precipitation - 1 hr
    0 in.

  • See more weather data »
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    Last Updated: February 14, 2013