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 11/28/2014 07:00 PM PST
View from Belle Mountain Looking Southeast
Ozone (O3) at Black Rock Monitoring Site  updated 11/28/2014 07:00 PM PST

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 51 ppb 51 ppb   42 ppb  
1-hour average 53 ppb 55 ppb   44 ppb  

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


AQI Ozone


Weather at Black Rock Monitoring Site updated 11/28/2014 07:00 PM PST

Current temperature  63 F 
Yesterday's minimum temperature  55 F 
Yesterday's maximum temperature  72 F 
Current relative humidity  19 % 
Yesterday's minimum relative humidity  12 % 
Yesterday's maximum relative humidity  22 % 
Current wind speed  8 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 11/28/2014 07:00 PM 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 11/28/2014 07:00 PM PST
Temperature
63 F

Humidity
19 %

Wind
SW-8 mph

Precipitation - 1 hr
0 in.

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    Last Updated: November 28, 2014