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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 December 25, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 40 38
1 AM 41 39
2 AM 42 39
3 AM 41 39
4 AM 39 39
5 AM 34 39
6 AM 35 40
7 AM 37 41
8 AM 45 42
9 AM 44 41
10 AM -- 41
11 AM 41 41
12 PM 41 40
1 PM 41 40
2 PM 42 40
3 PM 42 39
4 PM 41 39
5 PM 41 --
6 PM 40 --
7 PM 39 --
8 PM 39 --
9 PM 37 --
Weather and Ozone Data Thursday December 25, 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 40 2.8 S 8.7 28 0 0.0
1 AM 41 2.6 SW 8.5 29 0 0.0
2 AM 42 1.1 SW 8.4 31 0 0.0
3 AM 41 2.0 N 8.7 43 0 0.0
4 AM 39 4.2 N 8.3 50 0 0.0
5 AM 34 3.8 N 8.0 64 0 0.0
6 AM 35 3.3 N 7.8 67 0 0.0
7 AM 37 5.1 N 6.6 63 2 0.0
8 AM 45 5.9 N 7.9 37 22 0.0
9 AM 44 9.8 N 8.3 33 150 0.0
10 AM -- 10.6 N 7.7 37 72 0.0
11 AM 41 9.2 N 8.9 32 488 0.0
12 PM 41 10.4 N 9.0 31 529 0.0
1 PM 41 10.3 N 8.9 30 519 0.0
2 PM 42 8.7 N 9.3 23 444 0.0
3 PM 42 9.5 N 8.9 19 331 0.0
4 PM 41 9.7 N 8.5 15 32 0.0
5 PM 41 9.6 N 7.6 17 7 0.0
6 PM 40 8.1 N 6.8 20 0 0.0
7 PM 39 8.9 N 6.0 21 0 0.0
8 PM 39 5.9 N 5.5 23 0 0.0
9 PM 37 4.9 NE 4.8 25 0 0.0
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updated on 12/25/2014 10:41 PM  I   http://www.nature.nps.gov/air/data/current/data_JOTR-CC.cfm   I  Email: Webmaster