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Big Bend National Park
View of Sierra del Carmen in Mexico  
updated 11/23/2009 05:30 PM CST •   
Visual range measurement is approximately 113 miles
View of Sierra del Carmen in Mexico from Big Bend National Park
Current Conditions
as of 11/23/2009 05:00 PM CST •
 Ozone
        
Current 1-hour average concentration
 47 ppb 
Current 8-hour average concentration
 42 ppb  
Good Moderate Unhealthy for Sensitive Groups Unhealthy Very
Unhealthy
0 60 76 96 116 ppb
 
Weather
      
 Current temperature
 79 F 
 Current relative humidity
 19 % 
 Current wind
   unavailable  
 Precipitation in last hour
 0.00  inches 
Additional Information
 
Larger Image of View of Sierra del Carmen from Big Bend NPDisplay Archived Views from Big Bend NPBig Bend NP Home PageNational Park Service Air Quality Home PageEPA Real-Time Ozone Maps and Air Quality Forecasts
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