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
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updated 09/30/2014 10:45 AM PDT
View from Belle Mountain Looking Southeast
Ozone (O3) at Black Rock Monitoring Site  updated 09/30/2014 10:00 AM PDT

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 53 ppb 53 ppb   55 ppb  
1-hour average 55 ppb 55 ppb   57 ppb  

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


AQI Ozone


Weather at Black Rock Monitoring Site updated 09/30/2014 10:00 AM PDT

Current temperature  68 F 
Yesterday's minimum temperature  53 F 
Yesterday's maximum temperature  71 F 
Current relative humidity  30 % 
Yesterday's minimum relative humidity  28 % 
Yesterday's maximum relative humidity  58 % 
Current wind speed  4 mph  
Current wind direction NNE
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 09/30/2014 10:00 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 09/30/2014 10:00 AM PDT
Temperature
68 F

Humidity
30 %

Wind
NNE-4 mph

Precipitation - 1 hr
0 in.

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    Last Updated: September 30, 2014