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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 April 19, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 70 62
1 AM 66 60
2 AM 65 60
3 AM 63 59
4 AM 61 60
5 AM 57 61
6 AM 57 63
7 AM 57 66
8 AM 58 67
9 AM 62 68
10 AM 64 --
11 AM 68 --
12 PM 71 --
1 PM 74 --
2 PM 74 --
Weather and Ozone Data Sunday April 19, 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 70 4.3 SW 17.7 19 0 0.0
1 AM 66 4.0 SW 17.7 17 0 0.0
2 AM 65 4.2 W 17.9 16 0 0.0
3 AM 63 2.9 SW 16.0 17 0 0.0
4 AM 61 3.1 S 13.0 20 0 0.0
5 AM 57 4.3 S 11.2 21 0 0.0
6 AM 57 4.7 S 11.9 20 0 0.0
7 AM 57 4.4 S 12.4 19 41 0.0
8 AM 58 2.1 S 18.1 15 229 0.0
9 AM 62 1.5 NE 21.4 11 452 0.0
10 AM 64 2.6 N 22.2 11 660 0.0
11 AM 68 2.7 N 23.5 10 830 0.0
12 PM 71 2.9 SW 24.0 10 944 0.0
1 PM 74 4.3 S 24.7 10 994 0.0
2 PM 74 4.9 SW 24.9 10 980 0.0
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updated on 04/19/2015 3:42 PM  I   http://www.nature.nps.gov/air/data/current/data_JOTR-BR.cfm   I  Email: Webmaster