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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 66 miles • updated 08/04/2015 10:45 AM CDT
View from XXXX Looking DIRECTION
Ozone(O3) at K-Bar Ranch Monitoring Site  updated 08/04/2015 10:00 AM CDT

O3 concentration Current Today's
8-hour average 47 ppb 51 ppb   56 ppb  
1-hour average 45 ppb 52 ppb   59 ppb  

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

AQI Ozone

Weather at K-Bar Ranch Monitoring Site updated 08/04/2015 10:00 AM CDT

Current temperature  84 F 
Yesterday's minimum temperature  73 F 
Yesterday's maximum temperature  101 F 
Current relative humidity  36 % 
Yesterday's minimum relative humidity  21 % 
Yesterday's maximum relative humidity  50 % 
Current wind speed  10 mph  
Current wind direction SE
Current solar radiation   
Precipitation in last hour  0.00 in. 
Precipitation since midnight  0.00 in. 
Yesterday's precipitation  0.00 in. 

Visibility  updated 08/04/2015 09:00 AM CDT

Approximate Visual Range
Current Yesterday's
  66 miles 73 miles 63 miles

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Current Air Quality »
at K-Bar Ranch
Ozone - O3
updated 08/04/2015 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 08/04/2015 10:00 AM CDT
84 F

36 %

SE-10 mph

Precipitation - 1 hr
0 in.

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    Last Updated: August 04, 2015