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 49 miles • updated 07/29/2014 09:45 PM CDT
 View of Green River Valley Looking North-Northwest
Ozone (O3) at Houchin Meadow Monitoring Site  
updated 07/29/2014 10:00 PM CDT

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 39 ppb 39 ppb   44 ppb  
1-hour average 37 ppb 43 ppb   48 ppb  

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



AQI Ozone


Particulate Matter (PM2.5) at Houchin Meadow Monitoring Site
updated 07/29/2014 10:00 PM CDT

PM2.5 concentration
Current Today's
Maximum
Yesterday's
Maximum
24-hour average 4 μg/m3 4.6 μg/m3
1-hour average 9.0 μg/m3 9.044 μg/m3  8.928 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 07/29/2014 09:00 PM CDT

Current temperature  68 F 
Yesterday's minimum temperature  64 F 
Yesterday's maximum temperature  77 F 
Current relative humidity  71 % 
Yesterday's minimum relative humidity  53 % 
Yesterday's maximum relative humidity  84 % 
Current wind speed  1 mph  
Current wind direction  NE 
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 07/29/2014 08:00 PM CDT

Approximate Visual Range
Current Yesterday's
Maximum
Yesterday's
Minimum
  49 miles 100 miles 48 miles

Other Research Data History
24 Hr Sulfur Dioxide (SO2) 0.5 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 07/29/2014 10:00 PM CDT
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 07/29/2014 10:00 PM CDT
  • See more air data »
  • Current Weather »
    at Houchin Meadow
    updated 07/29/2014 09:00 PM CDT
    Temperature
    68 F

    Humidity
    71 %

    Wind
    NE-1 mph

    Precipitation - 1 hr
    0 in.

  • See more weather data »
  • Feature »
    feature podcast

    Last Updated: July 29, 2014