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
  • Air Data
    & Weather
  • NPS Air
    Webcams
Visual Range is about 36 miles • updated 08/21/2014 07:45 PM EDT
 View from Look Rock, Looking East
Ozone (O3updated 08/21/2014 07:00 PM EDT

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 31 ppb 48 ppb   45 ppb  
1-hour average 36 ppb 50 ppb   52 ppb  

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



AQI Ozone


Particulate Matter (PM2.5 updated 08/21/2014 07:00 PM EDT

PM2.5 concentration
Current Today's
Maximum
Yesterday's
Maximum
24-hour average 9.9 μg/m3 12.3 μg/m3
1-hour average 14.2 μg/m3 20.9 μg/m3  20.2 μg/m3

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



Particulate Matter (PM2.5)


Weather  updated 08/21/2014 07:00 PM EDT

Current temperature  79 F 
Yesterday's minimum temperature  64 F 
Yesterday's maximum temperature  78 F 
Current relative humidity  70 % 
Yesterday's minimum relative humidity  75 % 
Yesterday's maximum relative humidity  99 % 
Current wind speed  1 mph  
Current wind direction  WSW 
Current solar radiation  284 watts/m 2 
Precipitation in last hour  0.00 in. 
Precipitation since midnight  0.00 in. 
Yesterday's precipitation  0.35 in. 


Visibility  updated 08/21/2014 07:00 PM EDT

Approximate Visual Range
Current Yesterday's
Maximum
Yesterday's
Minimum
  36 miles 243 miles 1 miles


map Grand Teton National Park Web CameraGreat Smoky Mountains National Park Web Camera Home Shenandoah National Park Web Camera Hawaii Volcanoes National Park Web Camera Big Bend National Park Web Camera Joshua Tree National Park Web Camera Grand Canyon National Park Web Camera Theodore Roosevelt National Park Web Camera Washington, D.C. Web Camera Acadia National Park Web Camera Mammoth Cave National Park Web Camera Great Smoky Mountains National Park, Purchase Knob Web Camera Great Smoky Mountains National Park, Look Rock Web Camera North Cascades National Park Web Camera Olympic National Park Web Camera Mount Rainier National Park Web Camera Sequoia/Kings Canyon National Park Web Camera Yosemite National Park Web Camera Denali National Park & Preserve Web Camera Point Reyes National Seashore Web Camera
Current Air Quality »
Ozone - O3
updated 08/21/2014 07:00 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 14.2 micrograms per cubic meter
Particulate Matter - PM2.5
updated 08/21/2014 07:00 PM EDT
  • See more air data »
  • Current Weather »
    updated 08/21/2014 07:00 PM EDT
    Temperature
    79 F

    Humidity
    70 %

    Wind
    WSW-1 mph

    Precipitation - 1 hr
    0 in.

  • See more weather data »
  • Feature »
    feature podcast

    Last Updated: August 21, 2014