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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 March 31, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 70 64
1 AM 70 62
2 AM 71 61
3 AM 69 60
4 AM 64 58
5 AM 60 57
6 AM 58 56
7 AM 56 55
8 AM 54 55
9 AM 59 56
10 AM 60 56
11 AM -- 56
12 PM 55 56
1 PM 52 58
2 PM 53 60
3 PM 56 61
4 PM 57 62
5 PM 59 62
6 PM 60 63
7 PM 63 62
8 PM 65 61
9 PM 68 59
10 PM 64 57
11 PM 63 55
Weather and Ozone Data Tuesday March 31, 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 70 1.7 S 22.5 25 0 0.0
1 AM 70 1.1 S 21.9 26 0 0.0
2 AM 71 1.0 SW 22.1 27 0 0.0
3 AM 69 0.5 W 21.6 27 0 0.0
4 AM 64 0.7 N 21.1 26 0 0.0
5 AM 60 0.7 NW 20.8 25 0 0.0
6 AM 58 0.9 NE 20.8 23 0 0.0
7 AM 56 1.1 N 20.7 20 7 0.0
8 AM 54 0.9 S 22.3 19 161 0.0
9 AM 59 2.6 S 22.8 22 376 0.0
10 AM 60 3.2 S 23.9 21 566 0.0
11 AM -- 3.7 S 24.7 17 736 0.0
12 PM 55 3.6 SW 25.2 14 850 0.0
1 PM 52 3.5 SW 25.4 17 871 0.0
2 PM 53 4.0 SW 25.9 16 930 0.0
3 PM 56 4.9 SW 25.2 17 755 0.0
4 PM 57 3.9 SW 25.9 16 604 0.0
5 PM 59 4.1 SW 25.8 16 435 0.0
6 PM 60 3.6 SW 25.5 15 108 0.0
7 PM 63 3.6 SW 24.4 16 15 0.0
8 PM 65 1.3 SW 23.1 14 1 0.0
9 PM 68 1.0 SW 21.9 19 0 0.0
10 PM 64 1.6 W 20.6 20 0 0.0
11 PM 63 1.6 N 20.5 19 0 0.0
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updated on 04/01/2015 3:43 PM  I   http://nature.nps.gov/air/data/current/data_JOTR-CC2.cfm   I  Email: Webmaster