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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 about 101 miles • updated 10/31/2014 09:15 PM CDT
View from XXXX Looking DIRECTION
Ozone(O3) at K-Bar Ranch Monitoring Site  updated 10/31/2014 09:00 PM CDT

O3 concentration Current Today's
8-hour average 45 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 09:00 PM CDT

Current temperature  63 F 
Yesterday's minimum temperature  60 F 
Yesterday's maximum temperature  82 F 
Current relative humidity  47 % 
Yesterday's minimum relative humidity  30 % 
Yesterday's maximum relative humidity  86 % 
Current wind speed  2 mph  
Current wind direction WSW
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 10/31/2014 06:00 PM CDT

Approximate Visual Range
Current Yesterday's
  101 miles 91 miles 1 miles

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Current Air Quality »
at K-Bar Ranch
Ozone - O3
updated 10/31/2014 09:00 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 09:00 PM CDT
63 F

47 %

WSW-2 mph

Precipitation - 1 hr
0 in.

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    Last Updated: October 31, 2014