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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 Friday July 31, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 48 46
1 AM 49 45
2 AM 47 45
3 AM 46 45
4 AM 47 45
5 AM 46 45
6 AM 46 45
7 AM 44 45
8 AM 41 45
9 AM 46 46
10 AM 48 --
11 AM -- --
12 PM 48 --
1 PM 48 --
2 PM 45 --
3 PM 41 --
Weather and Ozone Data Friday July 31, 2015
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 48 1.2 NW 26.6 45 0 0.0
1 AM 49 1.1 SW 27.8 37 0 0.0
2 AM 47 2.1 S 27.9 35 0 0.0
3 AM 46 1.7 S 27.5 37 0 0.0
4 AM 47 1.6 S 27.4 38 0 0.0
5 AM 46 1.3 SE 27.2 41 0 0.0
6 AM 46 1.2 N 26.4 43 1 0.0
7 AM 44 1.4 N 26.5 43 66 0.0
8 AM 41 1.4 N 28.5 39 249 0.0
9 AM 46 1.7 S 30.7 35 446 0.0
10 AM 48 2.5 S 30.9 35 638 0.0
11 AM -- 2.2 S 31.9 33 787 0.0
12 PM 48 2.9 S 32.6 32 892 0.0
1 PM 48 2.9 S 32.8 33 927 0.0
2 PM 45 2.4 SW 33.7 30 922 0.0
3 PM 41 2.7 SW 34.0 27 830 0.0
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updated on 07/31/2015 4:45 PM  I   http://www.nature.nps.gov/air/data/current/data_JOTR-CC.cfm   I  Email: Webmaster