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 136 miles • updated 02/15/2013 12:15 AM CST
 View of Green River Valley Looking North-Northwest
Ozone (O3) at Houchin Meadow Monitoring Site  
updated 02/15/2013 12:00 AM CST

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 39 ppb 42 ppb   36 ppb  
1-hour average 38 ppb 45 ppb   40 ppb  

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



AQI Ozone


Particulate Matter (PM2.5) at Houchin Meadow Monitoring Site
updated 02/15/2013 12:00 AM CST

PM2.5 concentration
Current Today's
Maximum
Yesterday's
Maximum
24-hour average 6 μg/m3 5.9 μg/m3
1-hour average 3.7 μg/m3 4.919 μg/m3  10.244 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 02/15/2013 12:00 AM CST

Current temperature  45 F 
Yesterday's minimum temperature  35 F 
Yesterday's maximum temperature  44 F 
Current relative humidity  64 % 
Yesterday's minimum relative humidity  53 % 
Yesterday's maximum relative humidity  91 % 
Current wind speed  0 mph  
Current wind direction  E 
Precipitation in last hour  0.00 in. 
Precipitation since midnight  0.00 in. 
Yesterday's precipitation  0.05 in. 


More Air Quality Monitoring at Houchin Meadow Monitoring Site
  updated 02/15/2013 01:00 AM CST

Approximate Visual Range
Current Yesterday's
Maximum
Yesterday's
Minimum
  136 miles 144 miles 16 miles

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


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Current Air Quality »
at Houchin Meadow
Ozone - O3
updated 02/15/2013 12:00 AM 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 3.7 micrograms per cubic meter
Particulate Matter - PM2.5
updated 02/15/2013 12:00 AM CST
  • See more air data »
  • Current Weather »
    at Houchin Meadow
    updated 02/15/2013 12:00 AM CST
    Temperature
    45 F

    Humidity
    64 %

    Wind
    E-0 mph

    Precipitation - 1 hr
    0 in.

  • See more weather data »
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    Last Updated: February 14, 2013