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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 Saturday April 18, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 58 60
1 AM 62 60
2 AM 61 59
3 AM 60 59
4 AM 61 59
5 AM 61 60
6 AM 59 61
7 AM 59 62
8 AM 58 63
9 AM 59 64
10 AM 60 66
11 AM 60 67
12 PM 65 68
1 PM 69 --
2 PM 68 --
3 PM 68 --
4 PM 69 --
5 PM 73 --
Weather and Ozone Data Saturday April 18, 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 58 3.2 S 13.0 22 0 0.0
1 AM 62 3.5 SW 12.9 21 0 0.0
2 AM 61 3.9 SW 14.1 19 0 0.0
3 AM 60 3.7 SW 12.3 21 0 0.0
4 AM 61 3.6 SW 11.8 22 0 0.0
5 AM 61 3.5 SW 12.7 20 0 0.0
6 AM 59 4.5 S 12.0 20 0 0.0
7 AM 59 3.7 S 12.0 20 40 0.0
8 AM 58 1.8 S 17.3 15 229 0.0
9 AM 59 1.3 NE 20.4 12 453 0.0
10 AM 60 1.7 N 21.5 11 663 0.0
11 AM 60 2.6 N 22.6 10 836 0.0
12 PM 65 2.9 S 23.1 11 949 0.0
1 PM 69 4.1 S 23.9 11 1004 0.0
2 PM 68 4.4 SW 24.5 10 987 0.0
3 PM 68 3.9 SW 24.4 10 893 0.0
4 PM 69 4.5 SW 24.3 10 761 0.0
5 PM 73 4.0 SW 24.0 11 566 0.0
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updated on 04/18/2015 6:40 PM  I   http://nature.nps.gov/air/data/current/data_JOTR-BR.cfm   I  Email: Webmaster