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 52 miles • updated 04/25/2015 10:47 AM CDT
 View of Green River Valley Looking North-Northwest
Ozone (O3) at Houchin Meadow Monitoring Site  
updated 04/25/2015 11:00 AM CDT

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 37 ppb 45 ppb   56 ppb  
1-hour average 32 ppb 48 ppb   59 ppb  

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



AQI Ozone


Particulate Matter (PM2.5) at Houchin Meadow Monitoring Site
updated 04/25/2015 11:00 AM CDT

PM2.5 concentration
Current Today's
Maximum
Yesterday's
Maximum
24-hour average 3.9 μg/m3 2.7 μg/m3
1-hour average 5.9 μg/m3 5.9 μg/m3  6.3 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 04/25/2015 10:00 AM CDT

Current temperature  58 F 
Yesterday's minimum temperature  39 F 
Yesterday's maximum temperature  63 F 
Current relative humidity  91 % 
Yesterday's minimum relative humidity  24 % 
Yesterday's maximum relative humidity  58 % 
Current wind speed  4 mph  
Current wind direction  SSE 
Precipitation in last hour  0.00 in. 
Precipitation since midnight  0.02 in. 
Yesterday's precipitation  0.00 in. 


More Air Quality Monitoring at Houchin Meadow Monitoring Site
  updated 04/25/2015 09:00 AM CDT

Approximate Visual Range
Current Yesterday's
Maximum
Yesterday's
Minimum
  52 miles 152 miles 91 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 04/25/2015 11:00 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 5.9 micrograms per cubic meter
Particulate Matter - PM2.5
updated 04/25/2015 11:00 AM CDT
  • See more air data »
  • Current Weather »
    at Houchin Meadow
    updated 04/25/2015 10:00 AM CDT
    Temperature
    58 F

    Humidity
    91 %

    Wind
    SSE-4 mph

    Precipitation - 1 hr
    0 in.

  • See more weather data »
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    Last Updated: April 25, 2015