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Current Ozone and Weather Data in National Parks


Joshua Tree National Park - Cottonwood Canyon, CA
EPA AQS Site Number:


Today's Data   Data Timelines   Ozone Health Advisory  
Ozone Friday October 20, 2017 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM -- --
1 AM -- --
2 AM -- --
3 AM -- --
4 AM -- --
5 AM -- --
6 AM -- --
7 AM -- --
8 AM -- --
9 AM -- --
10 AM -- --
11 AM -- --
12 PM -- --
1 PM -- --
2 PM -- --
3 PM -- --
4 PM -- --
5 PM -- --
6 PM -- --
7 PM -- --
8 PM -- --
9 PM -- --
10 PM -- --
11 PM -- --
Weather and Ozone Data Friday October 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 -- 2.8 W 20.9 23 0 0.0
1 AM -- 3.7 W 20.7 26 0 0.0
2 AM -- 3.5 SW 20.7 28 0 0.0
3 AM -- 5.4 NW 19.9 31 0 0.0
4 AM -- 4.4 W 20.0 32 0 0.0
5 AM -- 2.5 W 18.7 42 0 0.0
6 AM -- 3.5 W 18.2 49 0 0.0
7 AM -- 2.4 SW 18.1 47 2 0.0
8 AM -- 3.8 W 17.7 49 103 0.0
9 AM -- 3.5 W 18.3 48 302 0.0
10 AM -- 1.8 W 20.3 40 484 0.0
11 AM -- 2.1 W 21.9 33 631 0.0
12 PM -- 3.9 S 21.4 31 720 0.0
1 PM -- 4.0 S 21.1 34 730 0.0
2 PM -- 2.5 W 22.7 29 712 0.0
3 PM -- 3.3 W 23.0 24 549 0.0
4 PM -- 5.0 W 22.8 23 452 0.0
5 PM -- 3.1 W 22.1 31 80 0.0
6 PM -- 2.2 SW 20.6 38 18 0.0
7 PM -- 1.4 S 19.0 43 1 0.0
8 PM -- 1.2 NW 18.2 44 0 0.0
9 PM -- 2.7 N 17.4 44 0 0.0
10 PM -- 3.8 N 15.5 50 0 0.0
11 PM -- 5.2 NE 15.0 46 0 0.0
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updated on 10/21/2017 7:42 AM  I   http://nature.nps.gov/air/data/current/data_JOTR-CC2.cfm   I  Email: Webmaster