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 69 miles • updated 10/01/2014 03:00 AM CDT
View from XXXX Looking DIRECTION
Ozone(O3) at K-Bar Ranch Monitoring Site  updated 10/01/2014 02:00 AM CDT

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 32 ppb 32 ppb   36 ppb  
1-hour average 33 ppb 34 ppb   38 ppb  

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


AQI Ozone


Weather at K-Bar Ranch Monitoring Site updated 10/01/2014 02:00 AM CDT

Current temperature  75 F 
Yesterday's minimum temperature  67 F 
Yesterday's maximum temperature  88 F 
Current relative humidity  64 % 
Yesterday's minimum relative humidity  35 % 
Yesterday's maximum relative humidity  72 % 
Current wind speed  6 mph  
Current wind direction S
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 10/01/2014 01:00 AM CDT

Approximate Visual Range
Current Yesterday's
Maximum
Yesterday's
Minimum
  69 miles 154 miles 82 miles


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Current Air Quality »
at K-Bar Ranch
Ozone - O3
updated 10/01/2014 02:00 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 10/01/2014 02:00 AM CDT
Temperature
75 F

Humidity
64 %

Wind
S-6 mph

Precipitation - 1 hr
0 in.

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    Last Updated: October 01, 2014