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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 July 28, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 65 63
1 AM 64 62
2 AM 63 61
3 AM 64 61
4 AM 64 61
5 AM 62 60
6 AM 62 60
7 AM 62 59
8 AM 56 58
9 AM 61 58
10 AM 62 55
11 AM -- 52
12 PM 59 50
1 PM 61 47
2 PM 58 45
3 PM 55 43
4 PM 51 41
5 PM 42 40
6 PM 38 39
7 PM 38 39
8 PM 39 39
9 PM 40 40
10 PM 41 40
11 PM 41 --
Weather and Ozone Data Tuesday July 28, 2015
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 65 2.7 S 28.0 23 0 0.0
1 AM 64 1.4 S 27.5 23 0 0.0
2 AM 63 1.6 S 27.2 22 0 0.0
3 AM 64 0.8 S 27.2 22 0 0.0
4 AM 64 1.0 SW 27.0 21 0 0.0
5 AM 62 1.1 S 26.5 19 0 0.0
6 AM 62 1.6 N 25.6 22 1 0.0
7 AM 62 1.4 N 26.3 21 88 0.0
8 AM 56 1.5 N 27.2 21 285 0.0
9 AM 61 1.9 S 29.2 19 493 0.0
10 AM 62 2.3 S 29.8 19 678 0.0
11 AM -- 3.0 S 30.7 20 822 0.0
12 PM 59 2.8 S 31.3 22 916 0.0
1 PM 61 3.4 S 32.1 22 957 0.0
2 PM 58 3.3 S 32.6 24 942 0.0
3 PM 55 3.2 S 33.0 24 877 0.0
4 PM 51 3.5 S 33.3 21 708 0.0
5 PM 42 2.4 SW 34.1 17 598 0.0
6 PM 38 2.3 SW 33.8 17 405 0.0
7 PM 38 2.0 SW 33.1 21 74 0.0
8 PM 39 1.1 SW 31.5 25 9 0.0
9 PM 40 1.2 SW 30.3 28 0 0.0
10 PM 41 2.0 S 29.8 32 0 0.0
11 PM 41 2.4 S 29.5 34 0 0.0
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updated on 07/29/2015 4:52 AM  I   http://www2.nature.nps.gov/air/data/current/data_JOTR-CC2.cfm   I  Email: Webmaster