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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 Wednesday July 1, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 71 57
1 AM 69 54
2 AM 66 52
3 AM 62 49
4 AM 52 46
5 AM 43 46
6 AM 46 47
7 AM 47 48
8 AM 51 48
9 AM 51 49
10 AM 44 50
11 AM 38 53
12 PM 52 56
1 PM 51 56
2 PM 52 56
3 PM 52 56
4 PM 57 57
5 PM 60 58
6 PM 65 58
7 PM 59 57
8 PM 54 58
9 PM 53 59
10 PM 52 60
11 PM 58 61
Weather and Ozone Data Wednesday July 1, 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 71 3.7 SW 26.9 37 0 0.0
1 AM 69 4.2 SW 27.4 34 0 0.0
2 AM 66 4.8 SW 27.2 35 0 0.0
3 AM 62 3.6 S 23.6 57 -- 0.2
4 AM 52 1.7 W 21.9 70 0 0.0
5 AM 43 1.8 SW 21.4 71 0 0.0
6 AM 46 1.6 SW 21.5 68 2 0.0
7 AM 47 2.7 S 21.8 66 22 0.0
8 AM 51 3.7 SW 22.1 66 35 0.1
9 AM 51 3.6 SW 21.8 68 31 0.1
10 AM 44 1.4 SE 21.9 74 109 0.1
11 AM 38 1.5 N 20.9 85 90 0.6
12 PM 52 2.7 NW 22.0 71 194 0.1
1 PM 51 1.8 E 23.0 62 210 0.0
2 PM 52 1.8 NE 22.7 65 86 0.0
3 PM 52 2.5 SW 23.3 62 240 0.0
4 PM 57 4.6 SW 26.3 49 732 0.0
5 PM 60 5.4 SW 27.6 42 563 0.0
6 PM 65 5.8 SW 26.5 48 335 0.0
7 PM 59 5.3 SW 24.6 61 87 0.1
8 PM 54 5.6 SW 23.9 64 44 0.0
9 PM 53 5.3 SW 23.3 64 0 0.0
10 PM 52 5.0 SW 22.5 67 0 0.0
11 PM 58 4.6 SW 22.5 65 0 0.0
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updated on 07/02/2015 11:44 PM  I   http://nature.nps.gov/air/data/current/data_JOTR-BR2.cfm   I  Email: Webmaster