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 09/01/2014 11:15 AM PDT
View from Belle Mountain Looking Southeast
Ozone (O3) at Black Rock Monitoring Site  updated 09/01/2014 11:00 AM PDT

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 59 ppb 69 ppb   73 ppb  
1-hour average 66 ppb 66 ppb   80 ppb  

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


AQI Ozone


Weather at Black Rock Monitoring Site updated 09/01/2014 11:00 AM PDT

Current temperature  83 F 
Yesterday's minimum temperature  78 F 
Yesterday's maximum temperature  90 F 
Current relative humidity  20 % 
Yesterday's minimum relative humidity  13 % 
Yesterday's maximum relative humidity  29 % 
Current wind speed  6 mph  
Current wind direction N
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 09/01/2014 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 09/01/2014 11:00 AM PDT
Temperature
83 F

Humidity
20 %

Wind
N-6 mph

Precipitation - 1 hr
0 in.

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    Last Updated: September 01, 2014