National Park Service

Air Resources






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

NPS » Explore Nature » Air Resources

Joshua Tree National Park

  • View From Belle Mountain
    Looking Southeast
  • Air Data
    & Weather
  • NPS Air
    Webcams
updated 05/21/2013 12:45 PM PDT
View from Belle Mountain Looking Southeast
Ozone (O3) at Black Rock Monitoring Site  updated 05/21/2013 11:00 AM PDT

O3 concentration Current Today's
Maximum		 Yesterday's
Maximum
8-hour average 68 ppb 68 ppb   64 ppb  
1-hour average 73 ppb 75 ppb   66 ppb  

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


AQI Ozone


Weather at Black Rock Monitoring Site updated 05/21/2013 12:00 PM PDT

Current temperature  79 F 
Yesterday's minimum temperature  61 F 
Yesterday's maximum temperature  76 F 
Current relative humidity  12 % 
Yesterday's minimum relative humidity  10 % 
Yesterday's maximum relative humidity  23 % 
Current wind speed  10 mph  
Current wind direction SSW
Precipitation in last hour  0.00 in. 
Precipitation since midnight  0.00 in. 
Yesterday's precipitation  0.00 in. 

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Current Air Quality »
at Black Rock
Ozone - O3
updated 05/21/2013 11:00 AM PDT
Ozone concentration is ***O3*** parts per billion air quality index (AQI) for Ozone and Particulate Matter from good to unhealthy
Current Weather »
at Black Rock
updated 05/21/2013 12:00 PM PDT
Temperature
79 F

Humidity
12 %

Wind
SSW-10 mph

Precipitation - 1 hr
0 in.

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    Last Updated: May 21, 2013