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 04/18/2014 06:30 AM PDT
View from Belle Mountain Looking Southeast
Ozone (O3) at Black Rock Monitoring Site  updated 04/18/2014 06:00 AM PDT

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 50 ppb 53 ppb   73 ppb  
1-hour average 53 ppb 53 ppb   77 ppb  

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


AQI Ozone


Weather at Black Rock Monitoring Site updated 04/18/2014 06:00 AM PDT

Current temperature  57 F 
Yesterday's minimum temperature  60 F 
Yesterday's maximum temperature  70 F 
Current relative humidity  42 % 
Yesterday's minimum relative humidity  25 % 
Yesterday's maximum relative humidity  52 % 
Current wind speed  6 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 04/18/2014 06:00 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 04/18/2014 06:00 AM PDT
Temperature
57 F

Humidity
42 %

Wind
SW-6 mph

Precipitation - 1 hr
0 in.

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    Last Updated: April 18, 2014