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 11/22/2014 11:00 PM PST
View from Belle Mountain Looking Southeast
Ozone (O3) at Black Rock Monitoring Site  updated 11/22/2014 10:00 PM PST

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average unavailable unavailable  51 ppb  
1-hour average 48 ppb unavailable  52 ppb  

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


AQI Ozone


Weather at Black Rock Monitoring Site updated 11/22/2014 10:00 PM PST

Current temperature  68 F 
Yesterday's minimum temperature  45 F 
Yesterday's maximum temperature  68 F 
Current relative humidity  11 % 
Yesterday's minimum relative humidity  11 % 
Yesterday's maximum relative humidity  52 % 
Current wind speed  9 mph  
Current wind direction WNW
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 11/22/2014 10:00 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 11/22/2014 10:00 PM PST
Temperature
68 F

Humidity
11 %

Wind
WNW-9 mph

Precipitation - 1 hr
0 in.

  • See more weather data »
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    Last Updated: November 23, 2014