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 28 miles • updated 11/21/2014 04:15 AM CST
 View of Green River Valley Looking North-Northwest
Ozone (O3) at Houchin Meadow Monitoring Site  
updated 11/21/2014 04:00 AM CST

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 24 ppb 28 ppb   35 ppb  
1-hour average 17 ppb 25 ppb   38 ppb  

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



AQI Ozone


Particulate Matter (PM2.5) at Houchin Meadow Monitoring Site
updated 11/21/2014 04:00 AM CST

PM2.5 concentration
Current Today's
Maximum
Yesterday's
Maximum
24-hour average 5.7 μg/m3 5.6 μg/m3
1-hour average 5.4 μg/m3 7.1 μg/m3  7.9 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 11/21/2014 04:00 AM CST

Current temperature  23 F 
Yesterday's minimum temperature  27 F 
Yesterday's maximum temperature  39 F 
Current relative humidity  82 % 
Yesterday's minimum relative humidity  43 % 
Yesterday's maximum relative humidity  78 % 
Current wind speed  1 mph  
Current wind direction  E 
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 11/21/2014 04:00 AM CST

Approximate Visual Range
Current Yesterday's
Maximum
Yesterday's
Minimum
  28 miles 68 miles 23 miles

Other Research Data History
24 Hr Sulfur Dioxide (SO2) 2.2 ppb SO2 10 Day chart


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Current Air Quality »
at Houchin Meadow
Ozone - O3
updated 11/21/2014 04:00 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 5.4 micrograms per cubic meter
Particulate Matter - PM2.5
updated 11/21/2014 04:00 AM CST
  • See more air data »
  • Current Weather »
    at Houchin Meadow
    updated 11/21/2014 04:00 AM CST
    Temperature
    23 F

    Humidity
    82 %

    Wind
    E-1 mph

    Precipitation - 1 hr
    0 in.

  • See more weather data »
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    Last Updated: November 21, 2014