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
  • NPS Air
    Webcams
Visual Range is about 133 miles • updated 09/21/2014 01:00 PM MST
View from Yavapai Point Looking Northwest
Ozone(O3) at the Abyss Monitoring Site  updated 09/21/2014 12:00 PM MST

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 33 ppb 39 ppb   39 ppb  
1-hour average 35 ppb 38 ppb   42 ppb  

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


AQI Ozone


Weather at the Abyss Monitoring Site updated 09/21/2014 12:00 PM MST

Current temperature  69 F 
Yesterday's minimum temperature  63 F 
Yesterday's maximum temperature  75 F 
Current relative humidity  52 % 
Yesterday's minimum relative humidity  35 % 
Yesterday's maximum relative humidity  60 % 
Current wind speed  7 mph  
Current wind direction SW
Current solar radiation  546 watts/m 2 
Precipitation in last hour  0.00 in. 
Precipitation since midnight  0.00 in. 
Yesterday's precipitation  0.00 in. 


Visibility  updated 09/21/2014 12:00 PM MST

Approximate Visual Range
Current Yesterday's
Maximum
Yesterday's
Minimum
  133 miles 173 miles 132 miles


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Current Air Quality »
at the Abyss Monitoring Site
Ozone - O3
updated 09/21/2014 12:00 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 09/21/2014 12:00 PM MST
Temperature
69 F

Humidity
52 %

Wind
SW-7 mph

Precipitation - 1 hr
0 in.

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    Last Updated: September 21, 2014