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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 Sunday April 19, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 72 67
1 AM 71 66
2 AM 71 65
3 AM 69 64
4 AM 67 64
5 AM 61 64
6 AM 64 66
7 AM 64 67
8 AM 61 69
9 AM 65 71
10 AM 68 72
11 AM -- 72
12 PM 71 72
1 PM 73 --
2 PM 73 --
3 PM 75 --
4 PM 73 --
5 PM 72 --
Weather and Ozone Data Sunday April 19, 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 72 2.4 SW 20.6 18 0 0.0
1 AM 71 1.0 W 20.0 19 0 0.0
2 AM 71 1.0 N 20.0 18 0 0.0
3 AM 69 1.2 E 20.2 17 0 0.0
4 AM 67 1.8 NE 19.7 17 0 0.0
5 AM 61 2.9 N 16.9 20 0 0.0
6 AM 64 2.8 N 17.7 18 0 0.0
7 AM 64 3.2 N 17.8 18 46 0.0
8 AM 61 2.9 N 19.5 17 241 0.0
9 AM 65 3.1 N 22.2 13 455 0.0
10 AM 68 3.2 NE 23.8 12 651 0.0
11 AM -- 3.3 S 24.9 13 809 0.0
12 PM 71 3.0 S 25.9 12 912 0.0
1 PM 73 3.4 S 26.1 12 954 0.0
2 PM 73 3.4 S 26.7 12 927 0.0
3 PM 75 3.4 S 26.4 13 843 0.0
4 PM 73 2.9 SW 26.9 11 716 0.0
5 PM 72 3.5 SW 26.4 11 473 0.0
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updated on 04/19/2015 6:41 PM  I   http://nature.nps.gov/air/data/current/data_JOTR-CC.cfm   I  Email: Webmaster