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

Big Bend National Park

  • View of Sierra del Carmen in Mexico
    From the Northwest
  • Air Data
    & Weather
  • NPS Air
    Webcams
Visual Range is about 68 miles • updated 02/10/2012 02:45 PM CST
View from XXXX Looking DIRECTION
Ozone(O3) at K-Bar Ranch Monitoring Site  updated 02/10/2012 02:00 PM CST

O3 concentration Current Today's
Maximum		 Yesterday's
Maximum
8-hour average 29 ppb 37 ppb   37 ppb  
1-hour average 41 ppb 41 ppb   38 ppb  

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


AQI Ozone


Weather at K-Bar Ranch Monitoring Site updated 02/10/2012 02:00 PM CST

Current temperature  53 F 
Yesterday's minimum temperature  38 F 
Yesterday's maximum temperature  62 F 
Current relative humidity  48 % 
Yesterday's minimum relative humidity  41 % 
Yesterday's maximum relative humidity  76 % 
Current wind speed  4 mph  
Current wind direction N
Current solar radiation  811 watts/m 2 
Precipitation in last hour  0.00 in. 
Precipitation since midnight  0.00 in. 
Yesterday's precipitation  0.00 in. 


Visibility  updated 02/10/2012 03:00 PM CST

Approximate Visual Range
 Current Yesterday's
Maximum		 Yesterday's
Minimum
  68 miles 123 miles 63 miles


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Current Air Quality »
at K-Bar Ranch
Ozone - O3
updated 02/10/2012 02:00 PM CST
Ozone concentration is ***O3*** parts per billion air quality index (AQI) for Ozone and Particulate Matter from good to unhealthy
Current Weather »
at K-Bar Ranch
updated 02/10/2012 02:00 PM CST
Temperature
53 F

Humidity
48 %

Wind
N-4 mph

Precipitation - 1 hr
0 in.

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    Last Updated: February 10, 2012