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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 Friday July 25, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 80 60
1 AM 51 55
2 AM 55 53
3 AM 64 52
4 AM 67 49
5 AM 59 47
6 AM 57 46
7 AM 51 46
8 AM 36 46
9 AM 35 48
10 AM 50 50
11 AM 42 51
12 PM 52 53
1 PM 51 53
2 PM 52 54
3 PM 52 55
4 PM 55 55
5 PM 51 --
6 PM 56 --
7 PM 57 --
8 PM 56 --
9 PM 60 --
Weather and Ozone Data Friday July 25, 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 80 3.7 SW 30.4 24 0 0.0
1 AM 51 3.6 SW 29.2 29 0 0.0
2 AM 55 4.0 SW 28.6 30 0 0.0
3 AM 64 3.9 SW 28.1 28 0 0.0
4 AM 67 4.7 SW 27.0 25 0 0.0
5 AM 59 4.7 SW 26.3 28 0 0.0
6 AM 57 4.7 SW 25.7 29 1 0.0
7 AM 51 4.8 SW 25.5 33 15 0.0
8 AM 36 5.3 SW 25.0 47 118 0.0
9 AM 35 6.1 SW 24.7 53 87 0.0
10 AM 50 4.1 SW 24.9 53 102 0.1
11 AM 42 4.9 SW 24.5 57 94 0.0
12 PM 52 4.5 S 26.7 44 155 0.0
1 PM 51 4.7 S 27.5 44 242 0.0
2 PM 52 5.2 S 27.2 45 245 0.0
3 PM 52 4.6 SW 26.3 47 139 0.0
4 PM 55 4.6 W 26.1 47 146 1.0
5 PM 51 3.2 SW 25.6 52 173 0.2
6 PM 56 3.5 SW 29.6 31 271 0.0
7 PM 57 3.7 SW 29.8 26 205 0.0
8 PM 56 3.9 SW 28.2 26 30 0.0
9 PM 60 4.4 SW 27.2 28 0 0.0
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updated on 07/25/2014 10:41 PM  I   http://nature.nps.gov/air/data/current/data_JOTR-BR.cfm   I  Email: Webmaster