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Current Ozone and Weather Data in National Parks


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


Yesterday's Data   Data Timelines   Ozone Health Advisory  


Ozone Friday October 31, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 51 55
1 AM 52 55
2 AM 53 56
3 AM 56 56
4 AM 58 56
5 AM 59 56
6 AM 59 56
7 AM 55 56
8 AM 54 57
9 AM 56 58
10 AM 56 59
11 AM 56 60
12 PM 57 60
1 PM 60 60
2 PM 60 59
3 PM 62 58
4 PM 62 57
5 PM 63 56
6 PM 60 --
7 PM 58 --
8 PM 55 --
9 PM 53 --
10 PM 51 --
Weather and Ozone Data Friday October 31, 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 51 1.5 S 17.2 35 0 0.0
1 AM 52 1.9 SW 16.7 38 0 0.0
2 AM 53 2.0 S 15.8 39 0 0.0
3 AM 56 2.3 SW 15.7 38 0 0.0
4 AM 58 2.9 SW 15.8 36 0 0.0
5 AM 59 2.7 SW 15.3 36 0 0.0
6 AM 59 2.4 S 15.2 36 0 0.0
7 AM 55 2.7 S 14.0 36 0 0.0
8 AM 54 2.5 S 15.0 33 32 0.0
9 AM 56 2.2 S 17.6 29 247 0.0
10 AM 56 3.1 S 18.7 28 435 0.0
11 AM 56 4.1 S 19.6 27 586 0.0
12 PM 57 4.5 SW 19.9 27 684 0.0
1 PM 60 4.8 SW 20.0 29 719 0.0
2 PM 60 5.3 SW 20.1 33 686 0.0
3 PM 62 4.5 SW 19.5 37 515 0.0
4 PM 62 4.2 SW 18.9 40 406 0.0
5 PM 63 4.9 SW 17.7 45 203 0.0
6 PM 60 4.9 SW 15.6 58 25 0.0
7 PM 58 4.2 SW 14.2 67 0 0.0
8 PM 55 5.6 SW 13.6 70 0 0.0
9 PM 53 7.1 SW 13.3 69 0 0.0
10 PM 51 7.0 SW 13.0 66 0 0.0
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updated on 10/31/2014 11:40 PM  I   http://www.nature.nps.gov/air/data/current/data_JOTR-BR.cfm   I  Email: Webmaster