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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 Monday October 20, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 47 44
1 AM 49 44
2 AM 46 43
3 AM 42 43
4 AM 41 44
5 AM 42 44
6 AM 44 45
7 AM 45 45
8 AM 45 45
9 AM 46 46
10 AM 46 --
11 AM -- --
12 PM 46 --
1 PM 47 --
2 PM 46 --
3 PM 45 --
Weather and Ozone Data Monday October 20, 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 47 0.8 S 22.4 35 0 0.0
1 AM 49 0.6 SW 22.5 34 0 0.0
2 AM 46 0.6 N 21.7 35 0 0.0
3 AM 42 0.3 NE 22.1 33 0 0.0
4 AM 41 0.6 N 21.9 35 0 0.0
5 AM 42 0.6 SW 22.0 35 0 0.0
6 AM 44 0.8 NE 22.1 34 0 0.0
7 AM 45 1.6 NE 21.5 36 1 0.0
8 AM 45 2.1 N 20.7 39 88 0.0
9 AM 46 1.5 NE 23.4 33 279 0.0
10 AM 46 2.5 S 24.9 31 459 0.0
11 AM -- 3.2 S 24.6 31 600 0.0
12 PM 46 3.7 S 25.6 29 688 0.0
1 PM 47 2.9 S 26.3 31 718 0.0
2 PM 46 2.3 SW 27.4 32 686 0.0
3 PM 45 2.4 SW 27.3 30 591 0.0
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updated on 10/20/2014 4:40 PM  I   http://www.nature.nps.gov/air/data/current/data_JOTR-CC.cfm   I  Email: Webmaster