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


Mammoth Cave National Park

  • View of Green River Valley
    Looking North-Northwest
  • Air Data
    & Weather
  • NPS Air
    Webcams
Visual Range is about 62 miles • updated 02/28/2015 10:00 PM CST
 View of Green River Valley Looking North-Northwest
Ozone (O3) at Houchin Meadow Monitoring Site  
updated 02/28/2015 10:00 PM CST

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 46 ppb 46 ppb   39 ppb  
1-hour average 45 ppb 47 ppb   41 ppb  

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



AQI Ozone


Particulate Matter (PM2.5) at Houchin Meadow Monitoring Site
updated 02/28/2015 10:00 PM CST

PM2.5 concentration
Current Today's
Maximum
Yesterday's
Maximum
24-hour average 6.8 μg/m3 4.1 μg/m3
1-hour average 9.5 μg/m3 9.5 μg/m3  7.2 μg/m3

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



Particulate Matter (PM2.5)


Weather at Houchin Meadow Monitoring Site  updated 02/28/2015 10:00 PM CST

Current temperature  36 F 
Yesterday's minimum temperature  16 F 
Yesterday's maximum temperature  26 F 
Current relative humidity  54 % 
Yesterday's minimum relative humidity  37 % 
Yesterday's maximum relative humidity  71 % 
Current wind speed  2 mph  
Current wind direction  NNE 
Precipitation in last hour  0.00 in. 
Precipitation since midnight  0.00 in. 
Yesterday's precipitation  0.00 in. 


More Air Quality Monitoring at Houchin Meadow Monitoring Site
  updated 02/28/2015 09:00 PM CST

Approximate Visual Range
Current Yesterday's
Maximum
Yesterday's
Minimum
  62 miles 144 miles 52 miles

Other Research Data History
24 Hr Sulfur Dioxide (SO2) 1.4 ppb SO2 10 Day chart


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 »
at Houchin Meadow
Ozone - O3
updated 02/28/2015 10:00 PM CST
Ozone concentration is ***O3*** parts per billion air quality index (AQI) for Ozone and Particulate Matter from good to unhealthy PM 2.5 is 9.5 micrograms per cubic meter
Particulate Matter - PM2.5
updated 02/28/2015 10:00 PM CST
  • See more air data »
  • Current Weather »
    at Houchin Meadow
    updated 02/28/2015 10:00 PM CST
    Temperature
    36 F

    Humidity
    54 %

    Wind
    NNE-2 mph

    Precipitation - 1 hr
    0 in.

  • See more weather data »
  • Feature »
    feature podcast

    Last Updated: February 28, 2015