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 05/22/2013 07:15 PM PDT
View from Belle Mountain Looking Southeast
Ozone (O3) at Black Rock Monitoring Site  updated 05/22/2013 07:00 PM PDT

O3 concentration Current Today's
Maximum		 Yesterday's
Maximum
8-hour average 67 ppb 72 ppb   69 ppb  
1-hour average 74 ppb 81 ppb   75 ppb  

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


AQI Ozone


Weather at Black Rock Monitoring Site updated 05/22/2013 07:00 PM PDT

Current temperature  70 F 
Yesterday's minimum temperature  60 F 
Yesterday's maximum temperature  81 F 
Current relative humidity  18 % 
Yesterday's minimum relative humidity  11 % 
Yesterday's maximum relative humidity  32 % 
Current wind speed  12 mph  
Current wind direction SW
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 05/22/2013 07:00 PM 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 05/22/2013 07:00 PM PDT
Temperature
70 F

Humidity
18 %

Wind
SW-12 mph

Precipitation - 1 hr
0 in.

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    Last Updated: May 22, 2013