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 68 miles • updated 08/28/2015 01:45 AM CDT
View from XXXX Looking DIRECTION
Ozone(O3) at K-Bar Ranch Monitoring Site  updated 08/28/2015 01:00 AM CDT

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average unavailable 48 ppb   48 ppb  
1-hour average 51 ppb unavailable  52 ppb  

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


AQI Ozone


Weather at K-Bar Ranch Monitoring Site updated 08/28/2015 01:00 AM CDT

Current temperature  82 F 
Yesterday's minimum temperature  76 F 
Yesterday's maximum temperature  98 F 
Current relative humidity  37 % 
Yesterday's minimum relative humidity  17 % 
Yesterday's maximum relative humidity  50 % 
Current wind speed  13 mph  
Current wind direction S
Current solar radiation   
Precipitation in last hour  0.00 in. 
Precipitation since midnight  0.00 in. 
Yesterday's precipitation  0.00 in. 


Visibility 

Approximate Visual Range
Current Yesterday's
Maximum
Yesterday's
Minimum
  68 miles 111 miles 67 miles


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Current Air Quality »
at K-Bar Ranch
Ozone - O3
updated 08/28/2015 01:00 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 08/28/2015 01:00 AM CDT
Temperature
82 F

Humidity
37 %

Wind
S-13 mph

Precipitation - 1 hr
0 in.

  • See more weather data »
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    Last Updated: August 28, 2015