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Current Ozone and Weather Data in National Parks


Joshua Tree National Park - Cottonwood Canyon, CA
EPA AQS Site Number:


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Ozone Tuesday January 17, 2017 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 36 --
1 AM 37 --
2 AM 38 --
3 AM 39 --
4 AM 39 --
Weather and Ozone Data Tuesday January 17, 2017
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 36 4.2 N 4.9 52 0 0.0
1 AM 37 4.0 N 4.4 53 0 0.0
2 AM 38 6.6 N 5.0 48 0 0.0
3 AM 39 5.7 N 5.7 41 0 0.0
4 AM 39 5.5 N 5.4 41 0 0.0
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updated on 01/17/2017 5:40 AM  I   http://nature.nps.gov/air/data/current/data_JOTR-CC.cfm   I  Email: Webmaster