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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 July 24, 2017 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 60 44
1 AM 53 40
2 AM 40 37
3 AM 45 36
4 AM 42 36
5 AM 41 36
6 AM 37 37
7 AM 35 40
8 AM 33 43
9 AM 29 45
10 AM 33 48
11 AM 38 50
12 PM 47 51
1 PM 51 54
2 PM 56 55
3 PM 59 55
4 PM 51 --
5 PM 49 --
6 PM 50 --
7 PM 51 --
8 PM 70 --
Weather and Ozone Data Monday July 24, 2017
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 60 6.1 SW 24.7 40 0 0.0
1 AM 53 4.5 SW 23.9 45 0 0.0
2 AM 40 5.3 SW 23.1 56 0 0.0
3 AM 45 4.7 SW 22.6 55 0 0.0
4 AM 42 4.0 SW 21.9 58 0 0.0
5 AM 41 4.5 SW 21.8 60 0 0.0
6 AM 37 3.8 SW 22.5 59 1 0.0
7 AM 35 3.2 SW 22.7 60 17 0.0
8 AM 33 3.2 SW 21.0 76 51 2.0
9 AM 29 2.9 SW 21.0 79 132 0.0
10 AM 33 4.0 SW 22.0 69 185 0.0
11 AM 38 4.8 SW 23.0 63 261 0.0
12 PM 47 4.9 S 24.4 51 389 0.0
1 PM 51 5.2 S 25.7 42 464 0.0
2 PM 56 5.2 S 27.1 34 734 0.0
3 PM 59 6.2 SW 28.4 33 832 0.0
4 PM 51 6.0 SW 28.4 41 642 0.0
5 PM 49 5.7 S 27.5 47 406 0.0
6 PM 50 5.0 S 27.0 48 246 0.0
7 PM 51 4.9 S 26.3 49 133 0.0
8 PM 70 4.5 SW 25.2 45 16 0.0
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updated on 07/24/2017 9:41 PM  I   http://nature.nps.gov/air/data/current/data_JOTR-BR.cfm   I  Email: Webmaster