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 103 miles • updated 07/01/2015 07:45 PM CDT
View from XXXX Looking DIRECTION
Ozone(O3) at K-Bar Ranch Monitoring Site  updated 07/01/2015 07:00 PM CDT

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 32 ppb 32 ppb   32 ppb  
1-hour average 35 ppb 36 ppb   35 ppb  

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


AQI Ozone


Weather at K-Bar Ranch Monitoring Site updated 07/01/2015 07:00 PM CDT

Current temperature  94 F 
Yesterday's minimum temperature  70 F 
Yesterday's maximum temperature  94 F 
Current relative humidity  31 % 
Yesterday's minimum relative humidity  30 % 
Yesterday's maximum relative humidity  68 % 
Current wind speed  6 mph  
Current wind direction NE
Current solar radiation   
Precipitation in last hour  0.00 in. 
Precipitation since midnight  0.00 in. 
Yesterday's precipitation  0.00 in. 


Visibility  updated 07/01/2015 06:00 PM CDT

Approximate Visual Range
Current Yesterday's
Maximum
Yesterday's
Minimum
  103 miles 68 miles 52 miles


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Current Air Quality »
at K-Bar Ranch
Ozone - O3
updated 07/01/2015 07:00 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 07/01/2015 07:00 PM CDT
Temperature
94 F

Humidity
31 %

Wind
NE-6 mph

Precipitation - 1 hr
0 in.

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    Last Updated: July 01, 2015