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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 Monday May 23, 2016 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 54 54
1 AM 55 54
2 AM 55 54
3 AM 56 54
4 AM 54 54
5 AM 54 54
6 AM 54 54
7 AM 55 54
8 AM 55 55
9 AM 54 55
10 AM 55 55
11 AM 54 56
12 PM 55 56
1 PM 54 55
2 PM 55 54
3 PM 58 53
4 PM 58 52
5 PM 56 51
6 PM 58 --
7 PM 58 --
8 PM 48 --
9 PM 44 --
10 PM 44 --
Weather and Ozone Data Monday May 23, 2016
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 54 3.8 SW 12.6 11 0 0.0
1 AM 55 4.0 SW 12.6 9 0 0.0
2 AM 55 3.0 S 11.3 5 0 0.0
3 AM 56 2.7 S 9.5 2 0 0.0
4 AM 54 3.5 S 7.6 9 0 0.0
5 AM 54 3.6 S 7.2 3 0 0.0
6 AM 54 3.5 S 6.3 7 6 0.0
7 AM 55 2.3 S 11.8 12 126 0.0
8 AM 55 3.1 SW 15.2 22 323 0.0
9 AM 54 2.0 SW 15.8 33 534 0.0
10 AM 55 3.4 SW 16.6 40 729 0.0
11 AM 54 3.6 SW 17.6 52 885 0.0
12 PM 55 4.7 SW 18.4 50 979 0.0
1 PM 54 5.0 SW 18.7 51 1013 0.0
2 PM 55 4.8 SW 19.1 51 983 0.0
3 PM 58 5.9 SW 19.3 47 918 0.0
4 PM 58 6.7 SW 19.0 40 778 0.0
5 PM 56 6.2 SW 18.9 38 599 0.0
6 PM 58 6.0 S 18.1 24 383 0.0
7 PM 58 6.0 SW 16.5 16 179 0.0
8 PM 48 5.2 SW 13.8 12 21 0.0
9 PM 44 5.5 SW 12.1 6 0 0.0
10 PM 44 5.2 SW 12.0 11 0 0.0
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updated on 05/23/2016 11:43 PM  I   http://www.nature.nps.gov/air/data/current/data_JOTR-BR.cfm   I  Email: Webmaster