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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 September 4, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 31 29
1 AM 29 29
2 AM 28 30
3 AM 29 30
4 AM 30 31
5 AM 31 31
6 AM 31 33
7 AM 29 35
8 AM 31 38
9 AM 31 39
10 AM 32 41
11 AM 33 --
12 PM 36 --
1 PM 41 --
2 PM 48 --
3 PM 57 --
Weather and Ozone Data Friday September 4, 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 31 3.1 SW 21.2 34 0 0.0
1 AM 29 4.1 SW 21.1 33 0 0.0
2 AM 28 3.9 SW 20.5 35 0 0.0
3 AM 29 4.3 S 19.3 50 0 0.0
4 AM 30 4.1 SW 18.7 65 0 0.0
5 AM 31 4.6 SW 18.4 71 0 0.0
6 AM 31 3.9 SW 17.9 62 0 0.0
7 AM 29 3.3 S 17.2 47 25 0.0
8 AM 31 3.7 S 19.5 40 199 0.0
9 AM 31 5.9 S 21.0 53 415 0.0
10 AM 32 5.7 S 22.4 55 618 0.0
11 AM 33 6.0 SW 23.5 41 787 0.0
12 PM 36 5.9 S 24.6 33 897 0.0
1 PM 41 5.9 S 25.3 28 944 0.0
2 PM 48 5.3 S 26.2 27 923 0.0
3 PM 57 5.5 SW 26.4 18 830 0.0
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updated on 09/04/2015 4:40 PM  I   http://www2.nature.nps.gov/air/data/current/data_JOTR-BR.cfm   I  Email: Webmaster