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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 Sunday April 23, 2017 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 80 78
1 AM 80 77
2 AM 77 75
3 AM 77 75
4 AM 77 75
5 AM 78 --
6 AM 78 --
7 AM 77 --
8 AM 72 --
9 AM 69 --
Weather and Ozone Data Sunday April 23, 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 80 4.0 SW 19.4 24 0 0.0
1 AM 80 4.1 SW 19.2 24 0 0.0
2 AM 77 4.1 SW 18.8 23 0 0.0
3 AM 77 5.1 SW 19.4 20 0 0.0
4 AM 77 5.4 SW 18.7 19 0 0.0
5 AM 78 6.0 SW 18.9 18 0 0.0
6 AM 78 5.0 SW 17.9 18 1 0.0
7 AM 77 4.7 SW 18.2 18 35 0.0
8 AM 72 5.1 SW 18.7 17 97 0.0
9 AM 69 6.4 S 19.6 16 237 0.0
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updated on 04/23/2017 10:43 AM  I   http://www.nature.nps.gov/air/data/current/data_JOTR-BR.cfm   I  Email: Webmaster