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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 Friday January 20, 2017 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 43 44
1 AM 44 44
2 AM 44 44
3 AM 44 44
4 AM 44 44
5 AM 45 43
6 AM 45 43
7 AM 46 43
8 AM 44 43
9 AM 44 43
10 AM 43 44
11 AM 42 44
12 PM 42 45
1 PM 42 46
2 PM 46 46
3 PM 46 46
4 PM 46 46
5 PM 47 46
6 PM 47 46
7 PM 47 45
8 PM 47 45
9 PM 46 45
10 PM 45 45
11 PM 46 45
Weather and Ozone Data Friday January 20, 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 43 7.3 SW 3.9 84 0 0.0
1 AM 44 6.9 SW 4.0 84 0 0.0
2 AM 44 6.5 SW 3.8 88 0 0.0
3 AM 44 7.7 SW 4.4 84 0 0.0
4 AM 44 5.6 SW 4.5 81 0 0.0
5 AM 45 7.4 SW 4.2 80 0 0.0
6 AM 45 8.3 SW 3.8 83 0 0.0
7 AM 46 10.0 SW 3.6 83 1 0.0
8 AM 44 9.4 SW 3.6 83 41 0.0
9 AM 44 9.1 SW 3.8 81 150 0.0
10 AM 43 9.0 SW 4.2 82 211 0.0
11 AM 42 7.7 SW 4.0 88 116 0.1
12 PM 42 8.1 SW 4.7 84 251 0.6
1 PM 42 6.1 SW 3.7 92 39 3.1
2 PM 46 8.9 S 3.1 93 25 6.8
3 PM 46 6.4 S 3.1 93 11 9.1
4 PM 46 4.7 S 3.6 93 24 3.4
5 PM 47 4.3 SW 3.8 92 11 3.0
6 PM 47 4.7 SW 3.7 92 0 1.7
7 PM 47 4.9 SW 3.3 93 0 2.5
8 PM 47 7.0 SW 3.1 92 0 0.5
9 PM 46 7.5 SW 2.8 90 0 0.1
10 PM 45 6.3 SW 2.6 90 0 0.0
11 PM 46 5.9 SW 2.3 92 0 0.2
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updated on 01/21/2017 11:40 AM  I   http://www.nature.nps.gov/air/data/current/data_JOTR-BR2.cfm   I  Email: Webmaster