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 31 miles • updated 08/20/2014 09:15 PM CDT
 View of Green River Valley Looking North-Northwest
Ozone (O3) at Houchin Meadow Monitoring Site  
updated 08/20/2014 09:00 PM CDT

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 46 ppb 49 ppb   46 ppb  
1-hour average 31 ppb 54 ppb   54 ppb  

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



AQI Ozone


Particulate Matter (PM2.5) at Houchin Meadow Monitoring Site
updated 08/20/2014 09:00 PM CDT

PM2.5 concentration
Current Today's
Maximum
Yesterday's
Maximum
24-hour average 9.4 μg/m3 8.9 μg/m3
1-hour average 4.7 μg/m3 21.393 μg/m3  21.164 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 08/20/2014 09:00 PM CDT

Current temperature  72 F 
Yesterday's minimum temperature  69 F 
Yesterday's maximum temperature  87 F 
Current relative humidity  94 % 
Yesterday's minimum relative humidity  57 % 
Yesterday's maximum relative humidity  98 % 
Current wind speed  3 mph  
Current wind direction  SSE 
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 08/20/2014 08:00 PM CDT

Approximate Visual Range
Current Yesterday's
Maximum
Yesterday's
Minimum
  31 miles 36 miles 1 miles

Other Research Data History
24 Hr Sulfur Dioxide (SO2) 0.5 ppb SO2 10 Day chart


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Current Air Quality »
at Houchin Meadow
Ozone - O3
updated 08/20/2014 09:00 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 4.7 micrograms per cubic meter
Particulate Matter - PM2.5
updated 08/20/2014 09:00 PM CDT
  • See more air data »
  • Current Weather »
    at Houchin Meadow
    updated 08/20/2014 09:00 PM CDT
    Temperature
    72 F

    Humidity
    94 %

    Wind
    SSE-3 mph

    Precipitation - 1 hr
    0 in.

  • See more weather data »
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    Last Updated: August 20, 2014