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 18 miles • updated 10/23/2014 11:15 AM CDT
View from XXXX Looking DIRECTION
Ozone(O3) at K-Bar Ranch Monitoring Site  updated 10/23/2014 11:00 AM CDT

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 20 ppb 30 ppb   35 ppb  
1-hour average 21 ppb 29 ppb   40 ppb  

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


AQI Ozone


Weather at K-Bar Ranch Monitoring Site updated 10/23/2014 11:00 AM CDT

Current temperature  64 F 
Yesterday's minimum temperature  62 F 
Yesterday's maximum temperature  69 F 
Current relative humidity  88 % 
Yesterday's minimum relative humidity  75 % 
Yesterday's maximum relative humidity  95 % 
Current wind speed  3 mph  
Current wind direction ENE
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 10/23/2014 08:00 AM CDT

Approximate Visual Range
Current Yesterday's
Maximum
Yesterday's
Minimum
  18 miles 243 miles 5 miles


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Current Air Quality »
at K-Bar Ranch
Ozone - O3
updated 10/23/2014 11:00 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 10/23/2014 11:00 AM CDT
Temperature
64 F

Humidity
88 %

Wind
ENE-3 mph

Precipitation - 1 hr
0 in.

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    Last Updated: October 23, 2014