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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 Sunday July 23, 2017 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 65 59
1 AM 63 58
2 AM 63 57
3 AM 64 56
4 AM 63 56
5 AM 55 56
6 AM 53 58
7 AM 53 61
8 AM 52 62
9 AM 55 62
10 AM 56 63
11 AM 61 65
12 PM 63 67
1 PM 74 69
2 PM 74 68
3 PM 63 67
4 PM 56 67
5 PM 61 68
6 PM 74 67
7 PM 77 62
8 PM 74 58
9 PM 68 54
10 PM 67 51
11 PM 63 47
Weather and Ozone Data Sunday July 23, 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 65 4.9 SW 27.6 36 0 0.0
1 AM 63 4.4 SW 27.1 38 0 0.0
2 AM 63 3.6 SW 26.6 41 0 0.0
3 AM 64 3.4 SW 25.5 44 0 0.0
4 AM 63 4.3 SW 25.0 46 0 0.0
5 AM 55 4.2 SW 25.5 42 0 0.0
6 AM 53 4.1 S 25.6 37 2 0.0
7 AM 53 3.4 SW 26.5 35 72 0.0
8 AM 52 2.8 SW 29.2 30 264 0.0
9 AM 55 2.4 NE 30.4 28 456 0.0
10 AM 56 2.4 N 31.4 26 632 0.0
11 AM 61 2.9 NE 32.9 22 770 0.0
12 PM 63 2.6 N 33.5 21 860 0.0
1 PM 74 5.1 S 33.5 24 874 0.0
2 PM 74 5.5 S 33.4 24 858 0.0
3 PM 63 5.8 S 33.0 30 792 0.0
4 PM 56 6.3 S 32.6 32 685 0.0
5 PM 61 5.5 SW 32.6 31 525 0.0
6 PM 74 5.9 SW 32.0 31 339 0.0
7 PM 77 6.0 SW 31.0 28 157 0.0
8 PM 74 6.5 SW 28.7 32 21 0.0
9 PM 68 6.6 SW 27.1 37 0 0.0
10 PM 67 6.6 SW 26.1 41 0 0.0
11 PM 63 5.9 SW 25.2 42 0 0.0
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updated on 07/24/2017 11:44 PM  I   http://www.nature.nps.gov/air/data/current/data_JOTR-BR2.cfm   I  Email: Webmaster