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Big Bend National Park

  • View of Sierra del Carmen in Mexico
    From the Northwest
  • Air Data
    & Weather
  • NPS Air
Visual Range is unavailable • updated 12/21/2014 03:00 AM CST
View from XXXX Looking DIRECTION
Ozone(O3) at K-Bar Ranch Monitoring Site  updated 12/21/2014 03:00 AM CST

O3 concentration Current Today's
8-hour average 29 ppb 32 ppb   37 ppb  
1-hour average 23 ppb 24 ppb   39 ppb  

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

AQI Ozone

Weather at K-Bar Ranch Monitoring Site updated 12/21/2014 03:00 AM CST

Current temperature  44 F 
Yesterday's minimum temperature  43 F 
Yesterday's maximum temperature  62 F 
Current relative humidity  91 % 
Yesterday's minimum relative humidity  42 % 
Yesterday's maximum relative humidity  75 % 
Current wind speed  4 mph  
Current wind direction WNW
Current solar radiation   
Precipitation in last hour  0.00 in. 
Precipitation since midnight  0.00 in. 
Yesterday's precipitation  0.00 in. 


Approximate Visual Range
Current Yesterday's
  unavailable 210 miles 75 miles

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Current Air Quality »
at K-Bar Ranch
Ozone - O3
updated 12/21/2014 03:00 AM 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 12/21/2014 03:00 AM CST
44 F

91 %

WNW-4 mph

Precipitation - 1 hr
0 in.

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    Last Updated: December 21, 2014