View of Cold Mountain, Shining Rock Wilderness

 

Pisgah National Forest, North Carolina

 
View of Shining Rock Wilderness
Last updated: September 23, 2008 at 10:30 PM EDT

  Why do we monitor air quality and visibility?

 
Comparison of current view to historical photographs  
Causes of visibility impairment  
   

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What can you do?  
 [ National Forest in North Carolina ]
 [ Department of Environment and Natural Resources ]
 [ Air Quality Division ]
 [ Southern Research Station ]
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Air Quality Index Ozone Data and Software Ozone Formation and Impacts

Data Disclaimer

 
Today's Ozone Data
Current 8-hr average concentration (ppm) 0.051
Current 1-hr average concentration (ppm) 0.049
Yesterday's Ozone Data
Maximum 8-hr average concentration (ppm) 0.059
Maximum 1-hr average concentration (ppm) 0.133
Seasonal Ozone Exposure
Ozone exposure so far this season (W126 value) 41.179
Number of hours the ozone has been greater than or equal to 0.100 ppm 129 
Current Meteorology
Temperature (oF) 49 
Relative humidity (%) 95 
Wind Speed (mph) 4 
Wind Direction (degrees true) 117 
Precipitation in last hour (inches) n/a 
Yesterday's Meteorology
Minimum Temperature (oF) 51 
Maximum Temperature (oF) 63 
Minimum Relative Humidity (%) 45 
Maximum Relative Humidity (%) 84 
Minimum Wind Speed (mph) 0 
Maximum Wind Speed (mph) 6