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 61 miles • updated 05/22/2013 09:00 PM CDT
View of Green River Valley Looking North-Northwest
Ozone (O3) at Houchin Meadow Monitoring Site  
updated 05/22/2013 09:00 PM CDT

O3 concentration Current Today's
Maximum		 Yesterday's
Maximum
8-hour average 41 ppb 43 ppb   43 ppb  
1-hour average 37 ppb 48 ppb   51 ppb  

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



AQI Ozone


Particulate Matter (PM2.5) at Houchin Meadow Monitoring Site
updated 05/22/2013 09:00 PM CDT

PM2.5 concentration
Current Today's
Maximum		 Yesterday's
Maximum
24-hour average 2.1 μg/m3 — 5.5 μg/m3
1-hour average 4.5 μg/m3 4.86 μg/m3  13.719 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 05/22/2013 09:00 PM CDT

Current temperature  69 F 
Yesterday's minimum temperature  65 F 
Yesterday's maximum temperature  82 F 
Current relative humidity  87 % 
Yesterday's minimum relative humidity  55 % 
Yesterday's maximum relative humidity  95 % 
Current wind speed  2 mph  
Current wind direction  SSW 
Precipitation in last hour  0.00 in. 
Precipitation since midnight  0.09 in. 
Yesterday's precipitation  0.11 in. 


More Air Quality Monitoring at Houchin Meadow Monitoring Site
  updated 05/22/2013 07:00 PM CDT

Approximate Visual Range
 Current Yesterday's
Maximum		 Yesterday's
Minimum
  61 miles 99 miles 18 miles

Other Research Data History
24 Hr Sulfur Dioxide (SO2) 0.3 ppb SO2 10 Day chart


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Current Air Quality »
at Houchin Meadow
Ozone - O3
updated 05/22/2013 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 4.5 micrograms per cubic meter
Particulate Matter - PM2.5
updated 05/22/2013 09:00 PM CDT
  • See more air data »
    • Current Weather »
    at Houchin Meadow
    updated 05/22/2013 09:00 PM CDT
    Temperature
    69 F

    Humidity
    87 %

    Wind
    SSW-2 mph

    Precipitation - 1 hr
    0 in.

  • See more weather data »
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    Last Updated: May 22, 2013