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
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Visual Range is unavailable • updated 04/23/2014 02:30 PM CDT
View from XXXX Looking DIRECTION
Ozone(O3) at K-Bar Ranch Monitoring Site  updated 04/23/2014 02:00 PM CDT

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 51 ppb 60 ppb   60 ppb  
1-hour average 54 ppb 61 ppb   66 ppb  

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


AQI Ozone


Weather at K-Bar Ranch Monitoring Site updated 04/23/2014 02:00 PM CDT

Current temperature  87 F 
Yesterday's minimum temperature  62 F 
Yesterday's maximum temperature  88 F 
Current relative humidity  22 % 
Yesterday's minimum relative humidity  20 % 
Yesterday's maximum relative humidity  85 % 
Current wind speed  11 mph  
Current wind direction SSW
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 04/23/2014 01:00 PM CDT

Approximate Visual Range
Current Yesterday's
Maximum
Yesterday's
Minimum
  unavailable 243 miles 21 miles


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Current Air Quality »
at K-Bar Ranch
Ozone - O3
updated 04/23/2014 02:00 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 04/23/2014 02:00 PM CDT
Temperature
87 F

Humidity
22 %

Wind
SSW-11 mph

Precipitation - 1 hr
0 in.

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    Last Updated: April 23, 2014