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Current Ozone and Weather Data in National Parks


Joshua Tree National Park - Cottonwood Canyon, CA
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Today's Data   Data Timelines   Ozone Health Advisory  
Ozone Tuesday September 16, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 52 44
1 AM 50 41
2 AM 49 40
3 AM 45 38
4 AM 42 38
5 AM 40 37
6 AM 38 37
7 AM 36 38
8 AM 35 39
9 AM 36 40
10 AM 39 41
11 AM -- 42
12 PM 39 42
1 PM 40 42
2 PM 42 41
3 PM 43 40
4 PM 44 40
5 PM 43 38
6 PM 44 37
7 PM 43 36
8 PM 39 35
9 PM 34 34
10 PM 37 35
11 PM 37 35
Weather and Ozone Data Tuesday September 16, 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 52 1.1 N 29.6 33 0 0.0
1 AM 50 1.4 SW 29.7 35 0 0.0
2 AM 49 1.0 SW 28.6 43 0 0.0
3 AM 45 1.5 S 27.6 51 0 0.0
4 AM 42 3.0 S 26.3 61 0 0.0
5 AM 40 3.8 S 25.2 66 0 0.0
6 AM 38 5.2 S 24.7 68 0 0.0
7 AM 36 4.5 S 24.4 68 10 0.0
8 AM 35 5.9 S 24.5 72 164 0.0
9 AM 36 4.3 S 25.4 70 358 0.0
10 AM 39 3.6 S 26.8 63 542 0.0
11 AM -- 2.8 S 27.6 59 693 0.0
12 PM 39 2.7 S 28.7 57 794 0.0
1 PM 40 2.8 S 29.4 55 844 0.0
2 PM 42 2.2 SW 30.3 50 708 0.0
3 PM 43 2.8 S 31.2 48 650 0.0
4 PM 44 3.7 S 30.6 50 587 0.0
5 PM 43 2.7 SW 30.7 48 405 0.0
6 PM 44 3.7 S 26.8 63 131 0.5
7 PM 43 3.2 S 27.4 58 20 0.0
8 PM 39 3.3 S 27.2 57 0 0.0
9 PM 34 4.8 SE 26.5 61 0 0.0
10 PM 37 6.8 SE 24.3 68 0 0.0
11 PM 37 2.2 S 25.0 59 0 0.0
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updated on 09/17/2014 8:40 PM  I   http://www.nature.nps.gov/air/data/current/data_JOTR-CC2.cfm   I  Email: Webmaster