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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 Sunday January 25, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 39 37
1 AM 38 37
2 AM 38 37
3 AM 35 37
4 AM 38 37
5 AM 38 37
6 AM 38 37
7 AM 38 37
8 AM 38 37
9 AM 37 37
10 AM 37 37
11 AM 37 37
12 PM 37 37
1 PM 37 37
2 PM 38 37
3 PM 39 --
4 PM 38 --
5 PM 37 --
6 PM 35 --
7 PM 35 --
Weather and Ozone Data Sunday January 25, 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 39 -- -- 8.0 31 0 0.0
1 AM 38 -- -- 7.8 30 0 0.0
2 AM 38 -- -- 7.3 31 0 0.0
3 AM 35 -- -- 7.0 32 0 0.0
4 AM 38 -- -- 6.8 32 0 0.0
5 AM 38 -- -- 7.3 32 0 0.0
6 AM 38 -- -- 8.4 29 0 0.0
7 AM 38 -- -- 9.1 28 2 0.0
8 AM 38 -- -- 10.1 27 81 0.0
9 AM 37 -- -- 12.3 25 301 0.0
10 AM 37 -- -- 13.8 25 472 0.0
11 AM 37 -- -- 14.5 26 595 0.0
12 PM 37 -- -- 15.5 26 660 0.0
1 PM 37 -- -- 16.3 25 663 0.0
2 PM 38 -- -- 16.5 25 440 0.0
3 PM 39 -- -- 15.9 26 206 0.0
4 PM 38 -- -- 15.8 28 180 0.0
5 PM 37 -- -- 14.4 30 41 0.0
6 PM 35 -- -- 10.7 38 1 0.0
7 PM 35 -- -- 10.5 39 0 0.0
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updated on 01/25/2015 8:44 PM  I   http://www2.nature.nps.gov/air/data/current/data_JOTR-BR.cfm   I  Email: Webmaster