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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 October 21, 2017 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 33 43
1 AM 33 45
2 AM 45 47
3 AM 48 47
4 AM 49 46
5 AM 49 46
6 AM 47 46
7 AM 47 46
8 AM 46 46
9 AM 46 47
10 AM 45 47
11 AM 46 47
12 PM 47 48
1 PM 47 48
2 PM 48 --
3 PM 49 --
4 PM 49 --
5 PM 49 --
6 PM 48 --
Weather and Ozone Data Saturday October 21, 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 33 2.4 S 8.0 77 0 0.0
1 AM 33 2.7 S 6.6 77 0 0.0
2 AM 45 1.5 SW 8.2 54 0 0.0
3 AM 48 1.3 S 9.1 38 0 0.0
4 AM 49 1.4 SE 9.0 34 0 0.0
5 AM 49 3.0 NE 10.9 29 0 0.0
6 AM 47 2.5 NE 10.1 30 0 0.0
7 AM 47 3.4 E 10.3 30 1 0.0
8 AM 46 3.3 NE 10.4 29 65 0.0
9 AM 46 4.0 NE 12.2 26 289 0.0
10 AM 45 5.4 NE 13.2 24 476 0.0
11 AM 46 5.6 NE 14.2 21 611 0.0
12 PM 47 5.3 NE 15.2 20 691 0.0
1 PM 47 6.4 NE 16.5 18 710 0.0
2 PM 48 6.4 NE 17.4 16 666 0.0
3 PM 49 5.8 NE 17.9 17 512 0.0
4 PM 49 5.3 NE 18.1 17 411 0.0
5 PM 49 4.7 NE 17.6 18 214 0.0
6 PM 48 3.9 NE 16.1 20 13 0.0
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updated on 10/21/2017 7:46 PM  I   http://www.nature.nps.gov/air/data/current/data_JOTR-BR.cfm   I  Email: Webmaster