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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 September 18, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 42 40
1 AM 41 39
2 AM 41 40
3 AM 40 40
4 AM 41 40
5 AM 40 41
6 AM 39 42
7 AM 39 44
8 AM 38 46
9 AM 42 49
10 AM 46 52
11 AM -- 54
12 PM 47 55
1 PM 48 56
2 PM 51 58
3 PM 54 --
4 PM 58 --
5 PM 61 --
6 PM 63 --
7 PM 61 --
Weather and Ozone Data Thursday September 18, 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 42 1.9 S 26.8 55 0 0.0
1 AM 41 1.5 SW 26.5 57 0 0.0
2 AM 41 0.8 SW 25.9 57 0 0.0
3 AM 40 0.4 SW 25.4 58 0 0.0
4 AM 41 1.3 SW 25.2 59 0 0.0
5 AM 40 1.3 S 24.9 60 0 0.0
6 AM 39 1.2 S 24.6 62 0 0.0
7 AM 39 1.4 SW 24.5 62 8 0.0
8 AM 38 0.9 SE 25.9 55 164 0.0
9 AM 42 1.7 SW 28.1 38 369 0.0
10 AM 46 3.4 W 30.4 21 548 0.0
11 AM -- 2.1 W 31.6 21 708 0.0
12 PM 47 2.1 W 32.5 18 819 0.0
1 PM 48 2.9 W 32.6 15 845 0.0
2 PM 51 2.2 W 33.4 15 822 0.0
3 PM 54 2.0 W 33.5 15 748 0.0
4 PM 58 3.0 SW 32.9 16 605 0.0
5 PM 61 3.1 SW 32.4 17 302 0.0
6 PM 63 2.8 SW 31.6 17 26 0.0
7 PM 61 2.0 SW 30.3 18 10 0.0
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updated on 09/18/2014 8:40 PM  I   http://nature.nps.gov/air/data/current/data_JOTR-CC.cfm   I  Email: Webmaster