For more information about National Park Service air resources, please visit http://www.nature.nps.gov/air/.


Big Bend National Park

  • View of Sierra del Carmen in Mexico
    From the Northwest
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    & Weather
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Visual Range is about 51 miles •
View from XXXX Looking DIRECTION
Ozone(O3) at K-Bar Ranch Monitoring Site  updated 07/22/2014 03:00 PM ST

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 40 ppb 43 ppb   48 ppb  
1-hour average 47 ppb 47 ppb   50 ppb  

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


AQI Ozone


Weather at K-Bar Ranch Monitoring Site updated 07/22/2014 03:00 PM ST

Current temperature  93 F 
Yesterday's minimum temperature  80 F 
Yesterday's maximum temperature  94 F 
Current relative humidity  31 % 
Yesterday's minimum relative humidity  31 % 
Yesterday's maximum relative humidity  58 % 
Current wind speed  3 mph  
Current wind direction SE
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 07/22/2014 03:00 PM ST

Approximate Visual Range
Current Yesterday's
Maximum
Yesterday's
Minimum
  51 miles 75 miles 38 miles


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Current Air Quality »
at K-Bar Ranch
Ozone - O3
updated 07/22/2014 03:00 PM ST
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 07/22/2014 03:00 PM ST
Temperature
93 F

Humidity
31 %

Wind
SE-3 mph

Precipitation - 1 hr
0 in.

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    Last Updated: July 22, 2014