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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 September 22, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 53 49
1 AM 51 48
2 AM 49 48
3 AM 50 48
4 AM 50 48
5 AM 47 48
6 AM 46 48
7 AM 47 49
8 AM 48 50
9 AM 52 51
10 AM 51 51
11 AM 50 52
12 PM 49 52
1 PM 48 53
2 PM 51 --
3 PM 54 --
4 PM 54 --
5 PM 55 --
6 PM 59 --
Weather and Ozone Data Monday September 22, 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 53 2.9 S 21.6 40 0 0.0
1 AM 51 2.4 S 21.6 39 0 0.0
2 AM 49 2.6 S 21.1 38 0 0.0
3 AM 50 2.5 S 20.5 40 0 0.0
4 AM 50 3.2 S 19.3 43 0 0.0
5 AM 47 3.3 S 18.9 43 0 0.0
6 AM 46 3.5 S 18.6 40 0 0.0
7 AM 47 2.9 S 19.5 38 9 0.0
8 AM 48 2.8 S 21.4 34 159 0.0
9 AM 52 1.4 SE 24.2 26 374 0.0
10 AM 51 2.5 SW 25.2 23 553 0.0
11 AM 50 3.1 S 25.9 21 743 0.0
12 PM 49 3.8 S 26.8 17 860 0.0
1 PM 48 3.4 S 27.1 19 900 0.0
2 PM 51 4.0 SW 27.6 21 837 0.0
3 PM 54 3.9 SW 27.8 21 691 0.0
4 PM 54 3.0 SW 28.0 21 627 0.0
5 PM 55 2.4 S 27.8 21 424 0.0
6 PM 59 3.0 S 27.0 23 161 0.0
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updated on 09/22/2014 7:40 PM  I   http://www2.nature.nps.gov/air/data/current/data_JOTR-BR.cfm   I  Email: Webmaster