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


Joshua Tree National Park

  • View From Belle Mountain
    Looking Southeast
  • Air Data
    & Weather
  • NPS Air
    Webcams
updated 10/20/2014 05:15 PM PDT
View from Belle Mountain Looking Southeast
Ozone (O3) at Black Rock Monitoring Site  updated 10/20/2014 05:00 PM PDT

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 50 ppb 54 ppb   57 ppb  
1-hour average 53 ppb 58 ppb   61 ppb  

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


AQI Ozone


Weather at Black Rock Monitoring Site updated 10/20/2014 05:00 PM PDT

Current temperature  73 F 
Yesterday's minimum temperature  58 F 
Yesterday's maximum temperature  76 F 
Current relative humidity  30 % 
Yesterday's minimum relative humidity  27 % 
Yesterday's maximum relative humidity  51 % 
Current wind speed  10 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 10/20/2014 05:00 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 10/20/2014 05:00 PM PDT
Temperature
73 F

Humidity
30 %

Wind
SW-10 mph

Precipitation - 1 hr
0 in.

  • See more weather data »
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    Last Updated: October 20, 2014