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Big Bend National Park

  • View of Sierra del Carmen in Mexico
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Visual Range is unavailable • updated 09/16/2014 10:15 AM CDT
View from XXXX Looking DIRECTION
Ozone(O3) at K-Bar Ranch Monitoring Site  updated 09/16/2014 10:00 AM CDT

O3 concentration Current Today's
8-hour average 19 ppb 20 ppb   25 ppb  
1-hour average 21 ppb 22 ppb   28 ppb  

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

AQI Ozone

Weather at K-Bar Ranch Monitoring Site updated 09/16/2014 10:00 AM CDT

Current temperature  71 F 
Yesterday's minimum temperature  63 F 
Yesterday's maximum temperature  79 F 
Current relative humidity  82 % 
Yesterday's minimum relative humidity  52 % 
Yesterday's maximum relative humidity  95 % 
Current wind speed  5 mph  
Current wind direction ESE
Current solar radiation  551 watts/m 2 
Precipitation in last hour  0.00 in. 
Precipitation since midnight  0.00 in. 
Yesterday's precipitation  0.00 in. 

Visibility  updated 09/16/2014 09:00 AM CDT

Approximate Visual Range
Current Yesterday's
  unavailable 197 miles 1 miles

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Current Air Quality »
at K-Bar Ranch
Ozone - O3
updated 09/16/2014 10:00 AM CDT
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 09/16/2014 10:00 AM CDT
71 F

82 %

ESE-5 mph

Precipitation - 1 hr
0 in.

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    Last Updated: September 16, 2014