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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Visual Range is about 96 miles •
View from XXXX Looking DIRECTION
Ozone(O3) at K-Bar Ranch Monitoring Site  updated 07/30/2014 08:00 AM ST

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 38 ppb 41 ppb   43 ppb  
1-hour average 37 ppb 39 ppb   45 ppb  

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


AQI Ozone


Weather at K-Bar Ranch Monitoring Site updated 07/30/2014 08:00 AM ST

Current temperature  83 F 
Yesterday's minimum temperature  78 F 
Yesterday's maximum temperature  97 F 
Current relative humidity  31 % 
Yesterday's minimum relative humidity  17 % 
Yesterday's maximum relative humidity  46 % 
Current wind speed  15 mph  
Current wind direction SSW
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 07/30/2014 06:00 AM ST

Approximate Visual Range
Current Yesterday's
Maximum
Yesterday's
Minimum
  96 miles 243 miles 68 miles


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Current Air Quality »
at K-Bar Ranch
Ozone - O3
updated 07/30/2014 08:00 AM 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 07/30/2014 08:00 AM ST
Temperature
83 F

Humidity
31 %

Wind
SSW-15 mph

Precipitation - 1 hr
0 in.

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    Last Updated: July 30, 2014