For more information about National Park Service air resources, please visit http://www.nature.nps.gov/air/.


Big Bend National Park

  • View of Sierra del Carmen in Mexico
    From the Northwest
  • Air Data
    & Weather
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Visual Range is about 182 miles • updated 11/28/2014 11:45 PM CST
View from XXXX Looking DIRECTION
Ozone(O3) at K-Bar Ranch Monitoring Site  updated 11/28/2014 11:00 PM CST

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 45 ppb 47 ppb   40 ppb  
1-hour average 43 ppb 49 ppb   44 ppb  

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


AQI Ozone


Weather at K-Bar Ranch Monitoring Site updated 11/28/2014 11:00 PM CST

Current temperature  64 F 
Yesterday's minimum temperature  45 F 
Yesterday's maximum temperature  67 F 
Current relative humidity  17 % 
Yesterday's minimum relative humidity  16 % 
Yesterday's maximum relative humidity  47 % 
Current wind speed  8 mph  
Current wind direction SSE
Current solar radiation   
Precipitation in last hour  0.00 in. 
Precipitation since midnight  0.00 in. 
Yesterday's precipitation  0.00 in. 


Visibility  updated 11/28/2014 11:00 PM CST

Approximate Visual Range
Current Yesterday's
Maximum
Yesterday's
Minimum
  182 miles 243 miles 161 miles


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Current Air Quality »
at K-Bar Ranch
Ozone - O3
updated 11/28/2014 11:00 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 11/28/2014 11:00 PM CST
Temperature
64 F

Humidity
17 %

Wind
SSE-8 mph

Precipitation - 1 hr
0 in.

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    Last Updated: November 28, 2014