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Current Ozone and Weather Data in National Parks


Joshua Tree National Park - Black Rock, CA
Portable Ozone Monitor


Today's Data   Data Timelines   Ozone Health Advisory  
Ozone Wednesday May 23, 2012 
Hour Ending
(Local Time)		 1-Hour Average
(parts per billion)		 8-Hour Average
(parts per billion)
12 AM 63 56
1 AM 60 54
2 AM 67 54
3 AM 57 54
4 AM 54 56
5 AM 51 58
6 AM 49 61
7 AM 48 64
8 AM 51 67
9 AM 58 72
10 AM 68 76
11 AM 71 80
12 PM 73 84
1 PM 72 86
2 PM 71 88
3 PM 78 89
4 PM 88 88
5 PM 93 86
6 PM 99 83
7 PM 98 81
8 PM 91 78
9 PM 86 --
10 PM 81 --
11 PM 74 --
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Weather and Ozone Data Wednesday May 23, 2012
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 63 2.9 SW 24.3 21 0 0.0
1 AM 60 2.9 SW 23.6 22 0 0.0
2 AM 67 3.4 SW 24.3 22 0 0.0
3 AM 57 3.1 SW 24.5 20 0 0.0
4 AM 54 3.1 S 20.8 26 0 0.0
5 AM 51 2.8 S 19.5 26 0 0.0
6 AM 49 3.0 S 19.8 25 5 0.0
7 AM 48 2.2 S 21.3 21 132 0.0
8 AM 51 1.2 SE 8.1 19 317 0.0
9 AM 58 4.1 E -14.3 17 545 0.0
10 AM 68 4.9 E -36.8 18 745 0.0
11 AM 71 3.5 NE -16.5 14 918 0.0
12 PM 73 4.2 NE 5.9 14 1019 0.0
1 PM 72 4.5 NE -8.1 16 1044 0.0
2 PM 71 3.3 E 25.9 15 1027 0.0
3 PM 78 4.1 S 27.8 17 946 0.0
4 PM 88 4.5 SW 27.7 21 804 0.0
5 PM 93 5.5 SW 26.8 24 615 0.0
6 PM 99 5.5 SW 25.2 30 398 0.0
7 PM 98 5.3 SW 23.7 34 187 0.0
8 PM 91 4.0 SW 22.3 38 20 0.0
9 PM 86 1.9 SW 21.5 40 0 0.0
10 PM 81 3.5 S 19.9 42 0 0.0
11 PM 74 3.3 S 19.6 36 0 0.0
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updated on 05/24/2012 2:39 AM  I   http://www.nature.nps.gov/air/data/current/data_JOBR2.cfm   I  Email: Webmaster