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 37 miles • updated 07/22/2014 08:30 PM CDT
 View of Green River Valley Looking North-Northwest
Ozone (O3) at Houchin Meadow Monitoring Site  
updated 07/22/2014 08:00 PM CDT

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 51 ppb 51 ppb   43 ppb  
1-hour average 53 ppb 59 ppb   47 ppb  

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



AQI Ozone


Particulate Matter (PM2.5) at Houchin Meadow Monitoring Site
updated 07/22/2014 08:00 PM CDT

PM2.5 concentration
Current Today's
Maximum
Yesterday's
Maximum
24-hour average 5.7 μg/m3 3.4 μg/m3
1-hour average 14.4 μg/m3 16.143 μg/m3  10.282 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 07/22/2014 08:00 PM CDT

Current temperature  86 F 
Yesterday's minimum temperature  67 F 
Yesterday's maximum temperature  87 F 
Current relative humidity  59 % 
Yesterday's minimum relative humidity  46 % 
Yesterday's maximum relative humidity  98 % 
Current wind speed  1 mph  
Current wind direction  ESE 
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 07/22/2014 07:00 PM CDT

Approximate Visual Range
Current Yesterday's
Maximum
Yesterday's
Minimum
  37 miles 147 miles 12 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 07/22/2014 08:00 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 14.4 micrograms per cubic meter
Particulate Matter - PM2.5
updated 07/22/2014 08:00 PM CDT
  • See more air data »
  • Current Weather »
    at Houchin Meadow
    updated 07/22/2014 08:00 PM CDT
    Temperature
    86 F

    Humidity
    59 %

    Wind
    ESE-1 mph

    Precipitation - 1 hr
    0 in.

  • See more weather data »
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    Last Updated: July 22, 2014