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Current Ozone and Weather Data in National Parks


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


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Ozone Saturday January 21, 2017 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 45 44
1 AM 45 44
2 AM 45 44
3 AM 46 44
4 AM 45 44
5 AM 44 43
6 AM 44 --
7 AM 44 --
8 AM 44 --
9 AM 45 --
10 AM 42 --
Weather and Ozone Data Saturday January 21, 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 45 5.2 SW 2.1 94 0 0.7
1 AM 45 5.7 SW 2.1 92 0 0.1
2 AM 45 6.5 SW 1.8 91 0 0.1
3 AM 46 6.2 SW 1.3 91 0 0.0
4 AM 45 5.9 SW 0.8 93 0 0.0
5 AM 44 4.7 SW 0.6 92 0 0.0
6 AM 44 4.7 SW 0.8 85 0 0.0
7 AM 44 4.5 SW 1.0 79 2 0.0
8 AM 44 2.5 SW 1.9 69 72 0.0
9 AM 45 3.5 NW 4.3 48 281 0.0
10 AM 42 4.6 S 4.1 64 439 0.0
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updated on 01/21/2017 11:40 AM  I   http://www.nature.nps.gov/air/data/current/data_JOTR-BR.cfm   I  Email: Webmaster