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 54 miles • updated 07/30/2014 02:00 PM CDT
 View of Green River Valley Looking North-Northwest
Ozone (O3) at Houchin Meadow Monitoring Site  
updated 07/30/2014 02:00 PM CDT

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 34 ppb 34 ppb   39 ppb  
1-hour average 48 ppb 50 ppb   43 ppb  

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



AQI Ozone


Particulate Matter (PM2.5) at Houchin Meadow Monitoring Site
updated 07/30/2014 02:00 PM CDT

PM2.5 concentration
Current Today's
Maximum
Yesterday's
Maximum
24-hour average 7.4 μg/m3 4.3 μg/m3
1-hour average 7.6 μg/m3 14.642 μg/m3  9.164 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 07/30/2014 02:00 PM CDT

Current temperature  78 F 
Yesterday's minimum temperature  55 F 
Yesterday's maximum temperature  74 F 
Current relative humidity  44 % 
Yesterday's minimum relative humidity  49 % 
Yesterday's maximum relative humidity  91 % 
Current wind speed  3 mph  
Current wind direction  NW 
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 07/30/2014 12:00 PM CDT

Approximate Visual Range
Current Yesterday's
Maximum
Yesterday's
Minimum
  54 miles 112 miles 34 miles

Other Research Data History
24 Hr Sulfur Dioxide (SO2) 1.6 ppb SO2 10 Day chart


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Current Air Quality »
at Houchin Meadow
Ozone - O3
updated 07/30/2014 02:00 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 7.6 micrograms per cubic meter
Particulate Matter - PM2.5
updated 07/30/2014 02:00 PM CDT
  • See more air data »
  • Current Weather »
    at Houchin Meadow
    updated 07/30/2014 02:00 PM CDT
    Temperature
    78 F

    Humidity
    44 %

    Wind
    NW-3 mph

    Precipitation - 1 hr
    0 in.

  • See more weather data »
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    Last Updated: July 30, 2014