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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 Tuesday September 23, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 61 45
1 AM 57 42
2 AM 50 40
3 AM 48 38
4 AM 41 36
5 AM 34 35
6 AM 35 35
7 AM 35 35
8 AM 37 36
9 AM 40 35
10 AM 34 36
11 AM 33 36
12 PM 33 37
1 PM 36 38
2 PM 39 --
3 PM -- --
4 PM -- --
5 PM 41 --
6 PM 38 --
7 PM 39 --
8 PM 40 --
Weather and Ozone Data Tuesday September 23, 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 61 3.5 SW 22.8 32 0 0.0
1 AM 57 4.0 SW 22.4 33 0 0.0
2 AM 50 4.1 SW 22.6 33 0 0.0
3 AM 48 3.2 SW 21.9 34 0 0.0
4 AM 41 2.9 SW 22.0 31 0 0.0
5 AM 34 2.4 SW 21.4 28 0 0.0
6 AM 35 3.0 SW 20.7 29 0 0.0
7 AM 35 3.4 SW 20.8 28 8 0.0
8 AM 37 1.8 S 22.5 26 161 0.0
9 AM 40 3.0 S 25.1 21 378 0.0
10 AM 34 4.0 S 26.2 20 583 0.0
11 AM 33 4.2 S 27.0 18 749 0.0
12 PM 33 4.0 S 27.8 16 860 0.0
1 PM 36 3.7 S 28.5 16 905 0.0
2 PM 39 3.6 SW 29.1 16 847 0.0
3 PM -- 3.4 S 29.6 16 703 0.0
4 PM -- 4.0 SW 29.7 17 627 0.0
5 PM 41 4.0 SW 29.4 18 431 0.0
6 PM 38 4.5 SW 28.3 22 159 0.0
7 PM 39 4.2 SW 27.3 25 8 0.0
8 PM 40 3.4 SW 26.3 28 0 0.0
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updated on 09/23/2014 9:40 PM  I   http://www.nature.nps.gov/air/data/current/data_JOTR-BR.cfm   I  Email: Webmaster