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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 September 19, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 29 23
1 AM 27 22
2 AM 25 21
3 AM 23 21
4 AM 23 21
5 AM 20 22
6 AM 20 24
7 AM 19 26
8 AM 20 29
9 AM 22 32
10 AM 24 35
11 AM 27 38
12 PM 30 39
1 PM 34 41
2 PM 37 --
3 PM 39 --
4 PM 43 --
5 PM 46 --
6 PM 49 --
Weather and Ozone Data Friday September 19, 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 29 3.6 SW 21.3 40 0 0.0
1 AM 27 2.2 S 20.1 44 0 0.0
2 AM 25 2.6 S 19.6 44 0 0.0
3 AM 23 3.3 S 18.0 48 0 0.0
4 AM 23 1.9 S 19.2 48 0 0.0
5 AM 20 2.4 S 18.1 53 0 0.0
6 AM 20 2.3 SW 18.5 55 0 0.0
7 AM 19 2.1 S 17.8 57 11 0.0
8 AM 20 2.0 S 18.4 51 157 0.0
9 AM 22 1.6 N 21.1 43 277 0.0
10 AM 24 3.1 NE 22.1 42 573 0.0
11 AM 27 3.5 N 22.4 42 733 0.0
12 PM 30 2.7 N 23.2 39 842 0.0
1 PM 34 1.9 NW 24.6 36 684 0.0
2 PM 37 3.9 SW 25.8 29 543 0.0
3 PM 39 4.7 SW 26.1 30 711 0.0
4 PM 43 4.6 SW 26.1 31 634 0.0
5 PM 46 3.9 SW 25.6 33 437 0.0
6 PM 49 3.4 SW 25.0 35 182 0.0
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updated on 09/19/2014 7:40 PM  I   http://nature.nps.gov/air/data/current/data_JOTR-BR.cfm   I  Email: Webmaster