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 08/04/2015 02:45 PM MST
View from Yavapai Point Looking Northwest
Ozone(O3) at the Abyss Monitoring Site  updated 08/04/2015 02:00 PM MST

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 43 ppb 44 ppb   52 ppb  
1-hour average 46 ppb 46 ppb   55 ppb  

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


AQI Ozone


Weather at the Abyss Monitoring Site updated 08/04/2015 02:00 PM MST

Current temperature  82 F 
Yesterday's minimum temperature  61 F 
Yesterday's maximum temperature  83 F 
Current relative humidity  16 % 
Yesterday's minimum relative humidity  19 % 
Yesterday's maximum relative humidity  80 % 
Current wind speed  7 mph  
Current wind direction SW
Current solar radiation  931 watts/m 2 
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
  unavailable 171 miles 49 miles


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Current Air Quality »
at the Abyss Monitoring Site
Ozone - O3
updated 08/04/2015 02:00 PM MST
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 08/04/2015 02:00 PM MST
Temperature
82 F

Humidity
16 %

Wind
SW-7 mph

Precipitation - 1 hr
0 in.

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    Last Updated: August 04, 2015