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 25 miles •
 View of Green River Valley Looking North-Northwest
Ozone (O3) at Houchin Meadow Monitoring Site  
updated 06/30/2015 07:00 PM ST

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 41 ppb 41 ppb   47 ppb  
1-hour average 37 ppb 45 ppb   51 ppb  

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



AQI Ozone


Particulate Matter (PM2.5) at Houchin Meadow Monitoring Site
updated 06/30/2015 07:00 PM ST

PM2.5 concentration
Current Today's
Maximum
Yesterday's
Maximum
24-hour average 9.4 μg/m3 6.9 μg/m3
1-hour average 16.3 μg/m3 17.2 μg/m3  9.4 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 06/30/2015 07:00 PM ST

Current temperature  77 F 
Yesterday's minimum temperature  67 F 
Yesterday's maximum temperature  83 F 
Current relative humidity  77 % 
Yesterday's minimum relative humidity  63 % 
Yesterday's maximum relative humidity  95 % 
Current wind speed  1 mph  
Current wind direction  SW 
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 06/30/2015 07:00 PM ST

Approximate Visual Range
Current Yesterday's
Maximum
Yesterday's
Minimum
  25 miles 61 miles 4 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 06/30/2015 07:00 PM ST
Ozone concentration is ***O3*** parts per billion air quality index (AQI) for Ozone and Particulate Matter from good to unhealthy PM 2.5 is 16.3 micrograms per cubic meter
Particulate Matter - PM2.5
updated 06/30/2015 07:00 PM ST
  • See more air data »
  • Current Weather »
    at Houchin Meadow
    updated 06/30/2015 07:00 PM ST
    Temperature
    77 F

    Humidity
    77 %

    Wind
    SW-1 mph

    Precipitation - 1 hr
    0 in.

  • See more weather data »
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    Last Updated: June 30, 2015