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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 September 21, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 53 42
1 AM 50 41
2 AM 44 40
3 AM 40 41
4 AM 39 42
5 AM 38 43
6 AM 39 44
7 AM 40 45
8 AM 40 47
9 AM 47 49
10 AM 49 50
11 AM 49 51
12 PM 43 52
1 PM 47 53
2 PM 51 --
3 PM 54 --
4 PM 55 --
5 PM 55 --
6 PM 60 --
Weather and Ozone Data Sunday September 21, 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 3.5 SW 21.2 51 0 0.0
1 AM 50 3.4 SW 20.9 50 0 0.0
2 AM 44 2.1 SW 20.4 46 0 0.0
3 AM 40 3.3 SW 18.6 48 0 0.0
4 AM 39 3.1 S 18.2 46 0 0.0
5 AM 38 4.0 S 17.5 47 0 0.0
6 AM 39 3.9 S 17.7 48 0 0.0
7 AM 40 3.3 S 17.8 49 9 0.0
8 AM 40 1.9 S 19.6 48 151 0.0
9 AM 47 1.5 N 22.4 39 360 0.0
10 AM 49 2.0 N 23.2 36 429 0.0
11 AM 49 2.0 NE 24.7 33 497 0.0
12 PM 43 3.7 S 25.8 29 715 0.0
1 PM 47 4.2 S 26.2 29 816 0.0
2 PM 51 4.3 SW 26.1 29 823 0.0
3 PM 54 3.4 S 26.3 30 684 0.0
4 PM 55 3.8 S 26.6 30 620 0.0
5 PM 55 4.3 S 26.3 29 431 0.0
6 PM 60 3.8 S 25.4 31 170 0.0
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updated on 09/21/2014 7:40 PM  I   http://www.nature.nps.gov/air/data/current/data_JOTR-BR.cfm   I  Email: Webmaster