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
  • Air Data
    & Weather
  • NPS Air
    Webcams
Visual Range is about 96 miles • updated 04/17/2014 10:15 AM CDT
View from XXXX Looking DIRECTION
Ozone(O3) at K-Bar Ranch Monitoring Site  updated 04/17/2014 10:00 AM CDT

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 42 ppb 48 ppb   52 ppb  
1-hour average 41 ppb 47 ppb   54 ppb  

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


AQI Ozone


Weather at K-Bar Ranch Monitoring Site updated 04/17/2014 10:00 AM CDT

Current temperature  57 F 
Yesterday's minimum temperature  49 F 
Yesterday's maximum temperature  79 F 
Current relative humidity  44 % 
Yesterday's minimum relative humidity  11 % 
Yesterday's maximum relative humidity  26 % 
Current wind speed  9 mph  
Current wind direction NNW
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 04/17/2014 09:00 AM CDT

Approximate Visual Range
Current Yesterday's
Maximum
Yesterday's
Minimum
  96 miles 150 miles 85 miles


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Current Air Quality »
at K-Bar Ranch
Ozone - O3
updated 04/17/2014 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 04/17/2014 10:00 AM CDT
Temperature
57 F

Humidity
44 %

Wind
NNW-9 mph

Precipitation - 1 hr
0 in.

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    Last Updated: April 17, 2014