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 11/27/2014 05:00 AM PST
View from Belle Mountain Looking Southeast
Ozone (O3) at Black Rock Monitoring Site  updated 11/27/2014 04:00 AM PST

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 41 ppb 41 ppb   42 ppb  
1-hour average 42 ppb 42 ppb   43 ppb  

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


AQI Ozone


Weather at Black Rock Monitoring Site updated 11/27/2014 04:00 AM PST

Current temperature  57 F 
Yesterday's minimum temperature  55 F 
Yesterday's maximum temperature  68 F 
Current relative humidity  19 % 
Yesterday's minimum relative humidity  14 % 
Yesterday's maximum relative humidity  21 % 
Current wind speed  9 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 11/27/2014 04:00 AM PST
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 11/27/2014 04:00 AM PST
Temperature
57 F

Humidity
19 %

Wind
SSW-9 mph

Precipitation - 1 hr
0 in.

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    Last Updated: November 27, 2014