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
  • Air Data
    & Weather
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Visual Range is about 91 miles • updated 07/31/2014 12:15 AM MST
View from Yavapai Point Looking Northwest
Ozone(O3) at the Abyss Monitoring Site  updated 07/31/2014 12:00 AM MST

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average unavailable 55 ppb   58 ppb  
1-hour average 51 ppb unavailable  60 ppb  

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


AQI Ozone


Weather at the Abyss Monitoring Site updated 07/31/2014 12:00 AM MST

Current temperature  74 F 
Yesterday's minimum temperature  67 F 
Yesterday's maximum temperature  81 F 
Current relative humidity  40 % 
Yesterday's minimum relative humidity  30 % 
Yesterday's maximum relative humidity  57 % 
Current wind speed  4 mph  
Current wind direction NW
Current solar radiation  0 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 11:00 PM MST

Approximate Visual Range
Current Yesterday's
Maximum
Yesterday's
Minimum
  91 miles 93 miles 64 miles


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Current Air Quality »
at the Abyss Monitoring Site
Ozone - O3
updated 07/31/2014 12:00 AM 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 07/31/2014 12:00 AM MST
Temperature
74 F

Humidity
40 %

Wind
NW-4 mph

Precipitation - 1 hr
0 in.

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    Last Updated: July 31, 2014