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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 66
1 AM 70 65
2 AM 69 64
3 AM 69 63
4 AM 64 --
5 AM 62 --
6 AM 62 --
7 AM 61 --
8 AM 63 --
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
5 AM 62 3.1 SW 18.2 34 0 0.0
6 AM 62 3.0 SW 18.3 32 0 0.0
7 AM 61 3.0 SW 18.3 31 49 0.0
8 AM 63 2.8 S 20.6 25 238 0.0
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updated on 04/21/2014 9:40 AM  I   http://www.nature.nps.gov/air/data/current/data_JOTR-BR.cfm   I  Email: Webmaster