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Current Ozone and Weather Data in National Parks


Joshua Tree National Park - Black Rock, CA
Portable Ozone Monitor


Today's Data   Data Timelines   Ozone Health Advisory  
Ozone Tuesday July 28, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 63 64
1 AM 62 64
2 AM 61 65
3 AM 63 67
4 AM 67 67
5 AM 67 68
6 AM 66 68
7 AM 64 70
8 AM 68 70
9 AM 70 70
10 AM 71 69
11 AM 70 68
12 PM -- 67
1 PM 71 66
2 PM 76 64
3 PM 70 59
4 PM 64 54
5 PM 64 51
6 PM 64 47
7 PM 64 45
8 PM 61 42
9 PM 49 --
10 PM 39 --
11 PM 34 --
Weather and Ozone Data Tuesday July 28, 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 63 3.7 S 22.6 27 0 0.0
1 AM 62 4.0 S 21.3 29 0 0.0
2 AM 61 4.0 S 20.4 31 0 0.0
3 AM 63 3.7 S 20.2 30 0 0.0
4 AM 67 3.1 SW 21.5 29 0 0.0
5 AM 67 3.4 S 20.9 31 0 0.0
6 AM 66 4.0 S 18.9 36 1 0.0
7 AM 64 3.5 S 20.0 34 79 0.0
8 AM 68 1.7 NE 25.2 25 277 0.0
9 AM 70 2.6 N 26.7 22 489 0.0
10 AM 71 2.3 N 27.9 20 686 0.0
11 AM 70 -- -- 29.3 18 847 0.0
12 PM -- -- -- 31.0 14 972 --
1 PM 71 4.8 SW 31.7 14 1021 --
2 PM 76 5.0 SW 32.0 15 1013 0.0
3 PM 70 5.0 SW 32.3 15 927 0.0
4 PM 64 5.0 SW 32.1 15 806 0.0
5 PM 64 4.6 SW 31.8 15 617 0.0
6 PM 64 4.2 SW 31.2 14 408 0.0
7 PM 64 3.8 S 30.5 15 196 0.0
8 PM 61 3.6 SW 28.4 20 18 0.0
9 PM 49 3.8 SW 26.8 27 0 0.0
10 PM 39 4.2 SW 26.1 29 0 0.0
11 PM 34 3.7 S 26.0 24 0 0.0
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updated on 07/29/2015 2:53 AM  I   http://www.nature.nps.gov/air/data/current/data_JOTR-BR2.cfm   I  Email: Webmaster