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Current Ozone and Weather Data in National Parks


Joshua Tree National Park - Cottonwood Canyon, CA
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Yesterday's Data   Data Timelines   Ozone Health Advisory  


Ozone Thursday August 21, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 42 45
1 AM 44 44
2 AM 47 44
3 AM 49 44
4 AM 48 44
5 AM 45 44
6 AM 44 44
7 AM 41 44
8 AM 41 45
9 AM 44 46
10 AM 46 46
11 AM -- --
12 PM 48 --
1 PM 47 --
2 PM 47 --
3 PM 45 --
4 PM 47 --
Weather and Ozone Data Thursday August 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 42 1.4 N 25.2 29 0 0.0
1 AM 44 0.8 N 25.2 29 0 0.0
2 AM 47 0.6 N 25.1 28 0 0.0
3 AM 49 0.5 SE 24.8 29 0 0.0
4 AM 48 1.6 N 23.7 31 0 0.0
5 AM 45 2.1 N 23.3 33 0 0.0
6 AM 44 2.5 N 23.7 33 0 0.0
7 AM 41 1.8 N 22.7 36 36 0.0
8 AM 41 1.9 N 24.7 33 215 0.0
9 AM 44 1.9 NE 27.5 29 422 0.0
10 AM 46 1.8 S 28.5 25 533 0.0
11 AM -- 2.5 S 28.6 25 697 0.0
12 PM 48 4.1 S 29.8 25 948 0.0
1 PM 47 3.8 S 29.7 27 801 0.0
2 PM 47 4.2 SE 25.4 45 102 6.0
3 PM 45 1.5 SW 26.1 45 417 0.0
4 PM 47 3.5 S 27.9 37 710 0.0
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updated on 08/21/2014 5:40 PM  I   http://www2.nature.nps.gov/air/data/current/data_JOTR-CC.cfm   I  Email: Webmaster