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 120 miles • updated 03/28/2015 12:30 PM CDT
View from XXXX Looking DIRECTION
Ozone(O3) at K-Bar Ranch Monitoring Site  updated 03/28/2015 12:00 PM CDT

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 46 ppb 48 ppb   49 ppb  
1-hour average 48 ppb 50 ppb   53 ppb  

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


AQI Ozone


Weather at K-Bar Ranch Monitoring Site updated 03/28/2015 12:00 PM CDT

Current temperature  74 F 
Yesterday's minimum temperature  40 F 
Yesterday's maximum temperature  77 F 
Current relative humidity  23 % 
Yesterday's minimum relative humidity  14 % 
Yesterday's maximum relative humidity  74 % 
Current wind speed  13 mph  
Current wind direction NNW
Current solar radiation   
Precipitation in last hour  0.00 in. 
Precipitation since midnight  0.00 in. 
Yesterday's precipitation  0.00 in. 


Visibility 

Approximate Visual Range
Current Yesterday's
Maximum
Yesterday's
Minimum
  120 miles 243 miles 140 miles


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Current Air Quality »
at K-Bar Ranch
Ozone - O3
updated 03/28/2015 12:00 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 03/28/2015 12:00 PM CDT
Temperature
74 F

Humidity
23 %

Wind
NNW-13 mph

Precipitation - 1 hr
0 in.

  • See more weather data »
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    Last Updated: March 28, 2015