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 29 miles • updated 10/31/2014 07:00 AM CDT
 View of Green River Valley Looking North-Northwest
Ozone (O3) at Houchin Meadow Monitoring Site  
updated 10/31/2014 06:00 AM CDT

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 17 ppb 25 ppb   33 ppb  
1-hour average 8 ppb 18 ppb   37 ppb  

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



AQI Ozone


Particulate Matter (PM2.5) at Houchin Meadow Monitoring Site
updated 10/31/2014 06:00 AM CDT

PM2.5 concentration
Current Today's
Maximum
Yesterday's
Maximum
24-hour average 2.6 μg/m3 2.2 μg/m3
1-hour average 4.6 μg/m3 4.58 μg/m3  4.771 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 10/31/2014 06:00 AM CDT

Current temperature  45 F 
Yesterday's minimum temperature  35 F 
Yesterday's maximum temperature  58 F 
Current relative humidity  92 % 
Yesterday's minimum relative humidity  46 % 
Yesterday's maximum relative humidity  95 % 
Current wind speed  1 mph  
Current wind direction  NNW 
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 10/31/2014 05:00 AM CDT

Approximate Visual Range
Current Yesterday's
Maximum
Yesterday's
Minimum
  29 miles 110 miles 23 miles

Other Research Data History
24 Hr Sulfur Dioxide (SO2) 0.4 ppb SO2 10 Day chart


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Current Air Quality »
at Houchin Meadow
Ozone - O3
updated 10/31/2014 06:00 AM 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 4.6 micrograms per cubic meter
Particulate Matter - PM2.5
updated 10/31/2014 06:00 AM CDT
  • See more air data »
  • Current Weather »
    at Houchin Meadow
    updated 10/31/2014 06:00 AM CDT
    Temperature
    45 F

    Humidity
    92 %

    Wind
    NNW-1 mph

    Precipitation - 1 hr
    0 in.

  • See more weather data »
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    Last Updated: October 31, 2014