Explore Air
Yosemite National Park
View From Turtleback Dome, elevation 5266 feet  
updated 11/23/2009 03:15 PM PST •
View from Turtleback Dome, Yosemite National Park
Current Ozone at Turtleback Dome
as of 11/23/2009 02:00 PM PST •     
 Ozone
       
Current 1-hour average concentration
 34 ppb
Current 8-hour average concentration
 40 ppb
Good Moderate Unhealthy for Sensitive Groups Unhealthy Very
Unhealthy
0 60 76 96 116 ppb
 
Current Particulate Matter at Yosemite Valley Visitor Center
as of 11/23/2009 02:00 PM PST •     
 Particulate Matter
      Details   
Current 1-hour average PM2.5 concentration
 6.0 ug/m3 
Current 24-hour average PM2.5 concentration
 10.3 ug/m3 
Good Moderate Unhealthy for Sensitive Groups Unhealthy Very
Unhealthy
0 15 40 65 150 ug/m3
 
Current Weather at Turtleback Dome
as of 11/23/2009 02:00 PM PST •     
Weather
     
 Current temperature
 49 F
 Current relative humidity
 44 %
 Current wind
SW -   2 mph   
 Precipitation in last hour
 0.00 inches 
Additional Information
 
The Yosemite Valley Visitor Center monitoring site is operated by the California Air Resources Board.
Larger Image of View from Turtleback Dome, Yosemite National ParkLocation of Camera at Turtleback Dome, Yosemite National ParkCamera Field of View at Turtleback Dome, Yosemite National ParkLandmarks Visible in View from Turtleback Dome, Yosemite National ParkDisplay Archived Views from Yosemite NP
Yosemite NP Home PageNational Park Service Air Quality Home PageOther Yosemite National Park Web Cams Operated by the Yosemite AssociationEPA Real-Time Ozone Maps and Air Quality ForecastsCalifornia Air Resources Board Air Quality, Emissions and Modeling
updated on 11/23/2009 04:30 PM MST  I   http://www.nature.nps.gov/air/WebCams/parks/yosecam/yosecam.cfm   I  Email: Webmaster
Please download the latest version of Adobe Reader :: Free Download
This site is best viewed in Internet Explorer 6.0 or Netscape 7.0