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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 Thursday January 19, 2017 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 42 44
1 AM 43 44
2 AM 43 44
3 AM 43 44
4 AM 44 44
5 AM 46 44
6 AM 46 44
7 AM 45 44
8 AM 44 44
9 AM 43 45
10 AM -- 45
11 AM 44 45
12 PM 43 45
1 PM 44 45
2 PM 46 45
3 PM 47 45
4 PM 48 44
5 PM 47 44
6 PM 45 43
7 PM 44 43
8 PM 44 43
9 PM 42 43
10 PM 44 43
11 PM 44 43
Weather and Ozone Data Thursday January 19, 2017
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 4.1 S 6.4 84 0 0.2
1 AM 43 4.5 S 6.7 79 0 0.0
2 AM 43 4.5 S 6.6 78 0 0.0
3 AM 43 4.1 S 6.7 76 0 0.0
4 AM 44 4.4 S 6.4 79 0 0.0
5 AM 46 3.6 S 6.2 78 0 0.0
6 AM 46 2.4 S 6.3 76 0 0.0
7 AM 45 1.9 S 6.0 77 1 0.0
8 AM 44 2.7 S 6.0 79 33 0.0
9 AM 43 3.8 S 6.5 83 92 0.6
10 AM -- 6.7 S 6.1 92 110 1.4
11 AM 44 5.9 S 6.1 94 126 1.0
12 PM 43 3.5 SW 6.4 96 81 0.0
1 PM 44 3.4 SW 7.4 95 397 0.0
2 PM 46 3.0 S 8.8 84 415 0.0
3 PM 47 1.5 S 10.0 74 259 0.0
4 PM 48 1.9 SW 9.6 71 62 0.0
5 PM 47 1.7 SW 9.3 74 14 0.0
6 PM 45 3.4 S 8.2 83 1 0.0
7 PM 44 2.5 S 7.8 80 0 0.0
8 PM 44 1.9 SW 7.5 75 0 0.0
9 PM 42 0.7 SE 6.9 76 0 0.0
10 PM 44 1.2 NW 7.3 70 0 0.0
11 PM 44 1.6 W 7.0 72 0 0.0
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updated on 01/20/2017 11:41 PM  I   http://nature.nps.gov/air/data/current/data_JOTR-CC2.cfm   I  Email: Webmaster