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 29 miles • updated 09/21/2014 04:00 AM EDT
 View from Look Rock, Looking East
Ozone (O3updated 09/21/2014 03:00 AM EDT

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 45 ppb 46 ppb   49 ppb  
1-hour average 42 ppb 43 ppb   55 ppb  

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



AQI Ozone


Particulate Matter (PM2.5 updated 09/21/2014 03:00 AM EDT

PM2.5 concentration
Current Today's
Maximum
Yesterday's
Maximum
24-hour average 9.1 μg/m3 9.4 μg/m3
1-hour average 8.6 μg/m3 8.6 μg/m3  12.1 μg/m3

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



Particulate Matter (PM2.5)


Weather  updated 09/21/2014 03:00 AM EDT

Current temperature  66 F 
Yesterday's minimum temperature  63 F 
Yesterday's maximum temperature  73 F 
Current relative humidity  79 % 
Yesterday's minimum relative humidity  56 % 
Yesterday's maximum relative humidity  78 % 
Current wind speed  1 mph  
Current wind direction  SW 
Current solar radiation  0 watts/m 2 
Precipitation in last hour  0.00 in. 
Precipitation since midnight  0.00 in. 
Yesterday's precipitation  0.00 in. 


Visibility  updated 09/21/2014 04:00 AM EDT

Approximate Visual Range
Current Yesterday's
Maximum
Yesterday's
Minimum
  29 miles 56 miles 28 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 09/21/2014 03:00 AM 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 8.6 micrograms per cubic meter
Particulate Matter - PM2.5
updated 09/21/2014 03:00 AM EDT
  • See more air data »
  • Current Weather »
    updated 09/21/2014 03:00 AM EDT
    Temperature
    66 F

    Humidity
    79 %

    Wind
    SW-1 mph

    Precipitation - 1 hr
    0 in.

  • See more weather data »
  • Feature »
    feature podcast

    Last Updated: September 21, 2014