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 01/31/2015 12:15 AM PST
View from Belle Mountain Looking Southeast
Ozone (O3) at Black Rock Monitoring Site  updated 01/31/2015 12:00 AM PST

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average unavailable 28 ppb   35 ppb  
1-hour average 27 ppb unavailable  38 ppb  

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


AQI Ozone


Weather at Black Rock Monitoring Site updated 01/31/2015 01:00 AM PST

Current temperature  43 F 
Yesterday's minimum temperature  42 F 
Yesterday's maximum temperature  48 F 
Current relative humidity  unavailable  
Yesterday's minimum relative humidity  unavailable 
Yesterday's maximum relative humidity  unavailable 
Current wind speed  0 mph  
Current wind direction SE
Precipitation in last hour  0.00 in. 
Precipitation since midnight  0.00 in. 
Yesterday's precipitation  0.39 in. 

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Current Air Quality »
at Black Rock
Ozone - O3
updated 01/31/2015 12:00 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 01/31/2015 01:00 AM PST
Temperature
43 F

Humidity
unavailable

Wind
SE-0 mph

Precipitation - 1 hr
0 in.

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    Last Updated: January 31, 2015