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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 September 21, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 54 49
1 AM 51 48
2 AM 51 48
3 AM 50 48
4 AM 49 47
5 AM 49 48
6 AM 48 48
7 AM 47 48
8 AM 44 48
9 AM 48 48
10 AM 50 49
11 AM -- 49
12 PM 52 48
1 PM 49 47
2 PM 46 47
3 PM 47 47
4 PM 50 --
5 PM 51 --
6 PM 49 --
7 PM 45 --
8 PM 42 --
Weather and Ozone Data Sunday September 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 54 1.0 W 25.2 45 0 0.0
1 AM 51 0.8 W 24.6 47 0 0.0
2 AM 51 0.9 NE 24.3 48 0 0.0
3 AM 50 1.5 N 23.8 50 0 0.0
4 AM 49 1.1 N 23.7 50 0 0.0
5 AM 49 1.2 N 23.1 52 0 0.0
6 AM 48 1.6 N 22.3 55 0 0.0
7 AM 47 1.9 N 21.4 58 8 0.0
8 AM 44 1.5 N 22.7 54 161 0.0
9 AM 48 1.3 S 25.7 44 362 0.0
10 AM 50 2.4 S 26.3 45 548 0.0
11 AM -- 3.4 S 27.2 42 701 0.0
12 PM 52 2.9 S 28.2 37 803 0.0
1 PM 49 3.1 S 28.6 35 844 0.0
2 PM 46 2.5 SW 29.6 28 821 0.0
3 PM 47 3.0 SW 29.8 24 738 0.0
4 PM 50 2.6 S 29.7 22 604 0.0
5 PM 51 1.9 S 29.9 19 227 0.0
6 PM 49 2.0 SW 29.7 20 21 0.0
7 PM 45 1.0 SW 28.4 24 8 0.0
8 PM 42 1.2 SW 26.9 28 0 0.0
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updated on 09/21/2014 9:40 PM  I   http://www.nature.nps.gov/air/data/current/data_JOTR-CC.cfm   I  Email: Webmaster