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 5 miles • updated 11/01/2014 01:00 AM EDT
 View from Look Rock, Looking East
Ozone (O3updated 11/01/2014 12:00 AM EDT

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 24 ppb 37 ppb   38 ppb  
1-hour average 26 ppb 36 ppb   40 ppb  

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



AQI Ozone


Particulate Matter (PM2.5 updated 11/01/2014 12:00 AM EDT

PM2.5 concentration
Current Today's
Maximum
Yesterday's
Maximum
24-hour average 6.6 μg/m3 6.5 μg/m3
1-hour average 1.2 μg/m3 12.9 μg/m3  12.3 μg/m3

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



Particulate Matter (PM2.5)


Weather  updated 11/01/2014 12:00 AM EDT

Current temperature  30 F 
Yesterday's minimum temperature  45 F 
Yesterday's maximum temperature  52 F 
Current relative humidity  100 % 
Yesterday's minimum relative humidity  48 % 
Yesterday's maximum relative humidity  75 % 
Current wind speed  6 mph  
Current wind direction  NW 
Current solar radiation  0 watts/m 2 
Precipitation in last hour  0.06 in. 
Precipitation since midnight  0.24 in. 
Yesterday's precipitation  0.00 in. 


Visibility  updated 11/01/2014 01:00 AM EDT

Approximate Visual Range
Current Yesterday's
Maximum
Yesterday's
Minimum
  5 miles 121 miles 46 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 11/01/2014 12:00 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 1.2 micrograms per cubic meter
Particulate Matter - PM2.5
updated 11/01/2014 12:00 AM EDT
  • See more air data »
  • Current Weather »
    updated 11/01/2014 12:00 AM EDT
    Temperature
    30 F

    Humidity
    100 %

    Wind
    NW-6 mph

    Precipitation - 1 hr
    0.06 in.

  • See more weather data »
  • Feature »
    feature podcast

    Last Updated: October 31, 2014