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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 Thursday April 17, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 75 73
1 AM 76 73
2 AM 75 73
3 AM 76 71
4 AM 75 71
5 AM 73 69
6 AM 70 68
7 AM 70 67
8 AM 73 66
9 AM 72 64
10 AM 66 62
11 AM 69 61
12 PM 65 59
1 PM 63 58
2 PM 63 57
3 PM 61 57
4 PM 57 55
5 PM 58 54
6 PM 57 54
7 PM 55 54
8 PM 55 --
9 PM 57 --
10 PM 56 --
11 PM 51 --
Weather and Ozone Data Thursday April 17, 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 75 3.8 SW 19.2 25 0 0.0
1 AM 76 4.4 SW 18.8 27 0 0.0
2 AM 75 3.7 SW 18.0 29 0 0.0
3 AM 76 3.2 SW 17.9 28 0 0.0
4 AM 75 3.4 SW 17.7 28 0 0.0
5 AM 73 3.4 S 16.6 31 0 0.0
6 AM 70 3.7 S 15.4 32 0 0.0
7 AM 70 3.6 S 15.6 32 40 0.0
8 AM 73 3.3 SW 18.8 31 218 0.0
9 AM 72 2.8 SW 20.7 27 449 0.0
10 AM 66 4.6 SW 20.2 28 660 0.0
11 AM 69 4.6 S 21.0 28 778 0.0
12 PM 65 4.9 S 21.2 27 957 0.0
1 PM 63 5.6 SW 20.6 26 935 0.0
2 PM 63 6.0 SW 20.9 25 798 0.0
3 PM 61 5.4 SW 21.3 26 613 0.0
4 PM 57 6.5 SW 20.5 28 486 0.0
5 PM 58 6.2 SW 20.1 31 364 0.0
6 PM 57 6.7 SW 19.0 40 172 0.0
7 PM 55 6.4 SW 17.8 52 53 0.0
8 PM 55 6.1 S 17.3 47 2 0.0
9 PM 57 7.2 S 16.9 49 0 0.0
10 PM 56 6.6 S 16.7 50 0 0.0
11 PM 51 5.6 S 16.3 41 0 0.0
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updated on 04/18/2014 1:41 AM  I   http://www.nature.nps.gov/air/data/current/data_JOTR-BR2.cfm   I  Email: Webmaster