For more information about National Park Service air resources, please visit http://www.nature.nps.gov/air/.


Grand Canyon National Park

  • View from Yavapai Point
    Looking Northwest
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Visual Range is unavailable • updated 07/30/2014 04:00 PM ST
View from Yavapai Point Looking Northwest
Ozone(O3) at the Abyss Monitoring Site  updated 07/30/2014 03:00 PM ST

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 57 ppb 57 ppb   55 ppb  
1-hour average 57 ppb 60 ppb   59 ppb  

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


AQI Ozone


Weather at the Abyss Monitoring Site updated 07/30/2014 03:00 PM ST

Current temperature  79 F 
Yesterday's minimum temperature  63 F 
Yesterday's maximum temperature  79 F 
Current relative humidity  32 % 
Yesterday's minimum relative humidity  34 % 
Yesterday's maximum relative humidity  63 % 
Current wind speed  3 mph  
Current wind direction NNW
Current solar radiation  707 watts/m 2 
Precipitation in last hour  0.00 in. 
Precipitation since midnight  0.00 in. 
Yesterday's precipitation  0.00 in. 


Visibility  updated 07/30/2014 01:00 PM ST

Approximate Visual Range
Current Yesterday's
Maximum
Yesterday's
Minimum
  unavailable 122 miles 83 miles


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Current Air Quality »
at the Abyss Monitoring Site
Ozone - O3
updated 07/30/2014 03:00 PM ST
Ozone concentration is ***O3*** parts per billion air quality index (AQI) for Ozone and Particulate Matter from good to unhealthy
Current Weather »
at the Abyss Monitoring Site
updated 07/30/2014 03:00 PM ST
Temperature
79 F

Humidity
32 %

Wind
NNW-3 mph

Precipitation - 1 hr
0 in.

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    Last Updated: July 30, 2014