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Big Bend National Park

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    From the Northwest
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Visual Range is unavailable • updated 10/31/2014 10:15 PM CDT
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Ozone(O3) at K-Bar Ranch Monitoring Site  updated 10/31/2014 10:00 PM CDT

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 44 ppb 45 ppb   38 ppb  
1-hour average 41 ppb 47 ppb   41 ppb  

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


AQI Ozone


Weather at K-Bar Ranch Monitoring Site updated 10/31/2014 10:00 PM CDT

Current temperature  62 F 
Yesterday's minimum temperature  60 F 
Yesterday's maximum temperature  82 F 
Current relative humidity  52 % 
Yesterday's minimum relative humidity  30 % 
Yesterday's maximum relative humidity  86 % 
Current wind speed  4 mph  
Current wind direction S
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 

Approximate Visual Range
Current Yesterday's
Maximum
Yesterday's
Minimum
  unavailable 91 miles 1 miles


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Current Air Quality »
at K-Bar Ranch
Ozone - O3
updated 10/31/2014 10:00 PM 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 10/31/2014 10:00 PM CDT
Temperature
62 F

Humidity
52 %

Wind
S-4 mph

Precipitation - 1 hr
0 in.

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    Last Updated: October 31, 2014