National Park Service

Air Resources






For more information about National Park Service air resources, please visit http://www.nature.nps.gov/air/.

NPS » Explore Nature » Air Resources

Mammoth Cave National Park

  • View of Green River Valley
    Looking North-Northwest
  • Air Data
    & Weather
  • NPS Air
    Webcams
Visual Range is about 66 miles • updated 06/19/2013 09:30 AM CDT
View of Green River Valley Looking North-Northwest
Ozone (O3) at Houchin Meadow Monitoring Site  
updated 06/19/2013 10:00 AM CDT

O3 concentration Current Today's
Maximum		 Yesterday's
Maximum
8-hour average 34 ppb 44 ppb   52 ppb  
1-hour average 41 ppb 45 ppb   58 ppb  

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



AQI Ozone


Particulate Matter (PM2.5) at Houchin Meadow Monitoring Site
updated 06/19/2013 10:00 AM CDT

PM2.5 concentration
Current Today's
Maximum		 Yesterday's
Maximum
24-hour average 5.2 μg/m3 — 4 μg/m3
1-hour average 6.4 μg/m3 6.728 μg/m3  8.298 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 06/19/2013 09:00 AM CDT

Current temperature  71 F 
Yesterday's minimum temperature  64 F 
Yesterday's maximum temperature  81 F 
Current relative humidity  77 % 
Yesterday's minimum relative humidity  57 % 
Yesterday's maximum relative humidity  95 % 
Current wind speed  2 mph  
Current wind direction  ENE 
Precipitation in last hour  0.00 in. 
Precipitation since midnight  0.00 in. 
Yesterday's precipitation  0.65 in. 


More Air Quality Monitoring at Houchin Meadow Monitoring Site
  updated 06/19/2013 08:00 AM CDT

Approximate Visual Range
 Current Yesterday's
Maximum		 Yesterday's
Minimum
  66 miles 91 miles 12 miles

Other Research Data History
24 Hr Sulfur Dioxide (SO2) 0.2 ppb SO2 10 Day chart


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Current Air Quality »
at Houchin Meadow
Ozone - O3
updated 06/19/2013 10:00 AM 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 6.4 micrograms per cubic meter
Particulate Matter - PM2.5
updated 06/19/2013 10:00 AM CDT
  • See more air data »
    • Current Weather »
    at Houchin Meadow
    updated 06/19/2013 09:00 AM CDT
    Temperature
    71 F

    Humidity
    77 %

    Wind
    ENE-2 mph

    Precipitation - 1 hr
    0 in.

  • See more weather data »
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    Last Updated: June 19, 2013