National Park Service Arrowhead
Explore Air

Current Ozone and Weather Data in National Parks


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


Yesterday's Data   Data Timelines   Ozone Health Advisory  


Ozone Monday October 16, 2017 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 49 48
1 AM 49 48
2 AM 49 48
3 AM 49 49
4 AM 49 49
5 AM 49 49
6 AM 49 49
7 AM 48 50
8 AM 49 50
9 AM 49 --
10 AM 50 --
11 AM -- --
12 PM 50 --
1 PM 52 --
2 PM 52 --
Weather and Ozone Data Monday October 16, 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 49 3.4 NE 18.9 11 0 0.0
1 AM 49 3.6 NE 19.0 10 0 0.0
2 AM 49 4.0 NE 18.8 11 0 0.0
3 AM 49 4.3 NE 18.8 11 0 0.0
4 AM 49 4.3 NE 18.2 11 0 0.0
5 AM 49 5.2 NE 17.8 11 0 0.0
6 AM 49 5.0 N 18.0 11 0 0.0
7 AM 48 5.3 N 17.8 11 2 0.0
8 AM 49 4.7 N 18.8 11 124 0.0
9 AM 49 4.9 NE 21.7 10 331 0.0
10 AM 50 5.8 NE 23.0 9 501 0.0
11 AM -- 6.2 NE 24.1 9 651 0.0
12 PM 50 6.2 NE 25.0 8 753 0.0
1 PM 52 5.5 NE 25.8 8 782 0.0
2 PM 52 5.2 NE 26.4 8 746 0.0
U.S. Department of the Interior Accessibility Freedom of Information Act USA.gov Search
Privacy Policy Disclaimer NPS Home Contact Us
updated on 10/16/2017 3:44 PM  I   http://nature.nps.gov/air/data/current/data_JOTR-CC.cfm   I  Email: Webmaster