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 08/23/2014 02:15 AM CDT
View from XXXX Looking DIRECTION
Ozone(O3) at K-Bar Ranch Monitoring Site  updated 08/23/2014 02:00 AM CDT

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 38 ppb 38 ppb   43 ppb  
1-hour average 30 ppb 30 ppb   47 ppb  

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


AQI Ozone


Weather at K-Bar Ranch Monitoring Site updated 08/23/2014 02:00 AM CDT

Current temperature  82 F 
Yesterday's minimum temperature  72 F 
Yesterday's maximum temperature  95 F 
Current relative humidity  24 % 
Yesterday's minimum relative humidity  24 % 
Yesterday's maximum relative humidity  60 % 
Current wind speed  15 mph  
Current wind direction SSE
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 08/23/2014 12:00 AM CDT

Approximate Visual Range
Current Yesterday's
Maximum
Yesterday's
Minimum
  69 miles 82 miles 48 miles


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Current Air Quality »
at K-Bar Ranch
Ozone - O3
updated 08/23/2014 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 08/23/2014 02:00 AM CDT
Temperature
82 F

Humidity
24 %

Wind
SSE-15 mph

Precipitation - 1 hr
0 in.

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    Last Updated: August 23, 2014