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 119 miles • updated 03/29/2015 12:00 PM CDT
 View of Green River Valley Looking North-Northwest
Ozone (O3) at Houchin Meadow Monitoring Site  
updated 03/29/2015 12:00 PM CDT

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 40 ppb 42 ppb   45 ppb  
1-hour average 46 ppb 46 ppb   48 ppb  

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



AQI Ozone


Particulate Matter (PM2.5) at Houchin Meadow Monitoring Site
updated 03/29/2015 12:00 PM CDT

PM2.5 concentration
Current Today's
Maximum
Yesterday's
Maximum
24-hour average 3 μg/m3 2.8 μg/m3
1-hour average 0.0 μg/m3 4.9 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 03/29/2015 11:00 AM CDT

Current temperature  43 F 
Yesterday's minimum temperature  24 F 
Yesterday's maximum temperature  42 F 
Current relative humidity  34 % 
Yesterday's minimum relative humidity  29 % 
Yesterday's maximum relative humidity  76 % 
Current wind speed  8 mph  
Current wind direction  SSE 
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 03/29/2015 10:00 AM CDT

Approximate Visual Range
Current Yesterday's
Maximum
Yesterday's
Minimum
  119 miles 145 miles 63 miles

Other Research Data History
24 Hr Sulfur Dioxide (SO2) 0.6 ppb SO2 10 Day chart


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Current Air Quality »
at Houchin Meadow
Ozone - O3
updated 03/29/2015 12:00 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 0.0 micrograms per cubic meter
Particulate Matter - PM2.5
updated 03/29/2015 12:00 PM CDT
  • See more air data »
  • Current Weather »
    at Houchin Meadow
    updated 03/29/2015 11:00 AM CDT
    Temperature
    43 F

    Humidity
    34 %

    Wind
    SSE-8 mph

    Precipitation - 1 hr
    0 in.

  • See more weather data »
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    Last Updated: March 29, 2015