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 07/31/2015 06:15 AM PDT
View from Belle Mountain Looking Southeast
Ozone (O3) at Black Rock Monitoring Site  updated 07/31/2015 06:00 AM PDT

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 42 ppb 43 ppb   48 ppb  
1-hour average 42 ppb 45 ppb   50 ppb  

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


AQI Ozone


Weather at Black Rock Monitoring Site updated 07/31/2015 06:00 AM PDT

Current temperature  72 F 
Yesterday's minimum temperature  69 F 
Yesterday's maximum temperature  87 F 
Current relative humidity  58 % 
Yesterday's minimum relative humidity  34 % 
Yesterday's maximum relative humidity  76 % 
Current wind speed  5 mph  
Current wind direction S
Precipitation in last hour  0.00 in. 
Precipitation since midnight  0.00 in. 
Yesterday's precipitation  0.01 in. 

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Current Air Quality »
at Black Rock
Ozone - O3
updated 07/31/2015 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 07/31/2015 06:00 AM PDT
Temperature
72 F

Humidity
58 %

Wind
S-5 mph

Precipitation - 1 hr
0 in.

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    Last Updated: July 31, 2015