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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 Friday July 25, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 80 62
1 AM 51 --
2 AM 55 --
3 AM 64 --
4 AM 67 --
5 AM 59 --
Weather and Ozone Data Friday July 25, 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 80 3.7 SW 30.4 24 0 0.0
1 AM 51 3.6 SW 29.2 29 0 0.0
2 AM 55 4.0 SW 28.6 30 0 0.0
3 AM 64 3.9 SW 28.1 28 0 0.0
4 AM 67 4.7 SW 27.0 25 0 0.0
5 AM 59 4.7 SW 26.3 28 0 0.0
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updated on 07/25/2014 6:40 AM  I   http://www2.nature.nps.gov/air/data/current/data_JOTR-BR.cfm   I  Email: Webmaster