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Current Ozone and Weather Data in National Parks


Joshua Tree National Park - Black Rock, CA
Portable Ozone Monitor


Yesterday's Data   Data Timelines   Ozone Health Advisory  


Ozone Monday April 21, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 71 --
1 AM 70 --
2 AM 69 --
3 AM 69 --
4 AM 64 --
Weather and Ozone Data Monday April 21, 2014
Hour
Ending
(Local Time)
Ozone
(parts per
billion)
Wind
Speed
(meters per
second)
Wind
Direction
Temperature
(degrees C)
Relative
Humidity
(%)
Solar
Radiation
(watts per
meter
squared)
Rainfall
(millimeters)
12 AM 71 4.3 SW 18.9 42 0 0.0
1 AM 70 4.1 SW 18.9 37 0 0.0
2 AM 69 3.8 SW 18.6 34 0 0.0
3 AM 69 3.8 SW 18.2 34 0 0.0
4 AM 64 3.8 SW 18.5 33 0 0.0
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updated on 04/21/2014 5:42 AM  I   http://www2.nature.nps.gov/air/data/current/data_JOTR-BR.cfm   I  Email: Webmaster