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Big Bend National Park

  • View of Sierra del Carmen in Mexico
    From the Northwest
  • Air Data
    & Weather
  • NPS Air
Visual Range is about 160 miles • updated 03/05/2015 09:45 AM CST
View from XXXX Looking DIRECTION
Ozone(O3) at K-Bar Ranch Monitoring Site  updated 03/05/2015 09:00 AM CST

O3 concentration Current Today's
8-hour average 28 ppb 28 ppb   32 ppb  
1-hour average 37 ppb 38 ppb   38 ppb  

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

AQI Ozone

Weather at K-Bar Ranch Monitoring Site updated 03/05/2015 09:00 AM CST

Current temperature  32 F 
Yesterday's minimum temperature  41 F 
Yesterday's maximum temperature  70 F 
Current relative humidity  78 % 
Yesterday's minimum relative humidity  47 % 
Yesterday's maximum relative humidity  92 % 
Current wind speed  17 mph  
Current wind direction SE
Current solar radiation   
Precipitation in last hour  0.00 in. 
Precipitation since midnight  0.00 in. 
Yesterday's precipitation  0.30 in. 

Visibility  updated 03/05/2015 07:00 AM CST

Approximate Visual Range
Current Yesterday's
  160 miles 152 miles 77 miles

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Current Air Quality »
at K-Bar Ranch
Ozone - O3
updated 03/05/2015 09:00 AM CST
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 03/05/2015 09:00 AM CST
32 F

78 %

SE-17 mph

Precipitation - 1 hr
0 in.

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    Last Updated: March 05, 2015