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 December 5, 2016 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 42 42
1 AM 42 42
2 AM 42 42
3 AM 44 42
4 AM 42 41
5 AM 42 41
6 AM 43 42
7 AM 42 42
8 AM 41 43
9 AM 40 43
10 AM -- --
11 AM 42 --
12 PM 43 --
1 PM 43 --
2 PM 43 --
3 PM 52 --
Weather and Ozone Data Monday December 5, 2016
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 42 3.0 S 12.6 18 0 0.0
1 AM 42 3.3 S 12.3 17 0 0.0
2 AM 42 3.4 S 12.1 17 0 0.0
3 AM 44 2.0 SW 13.3 17 0 0.0
4 AM 42 1.9 SW 12.5 18 0 0.0
5 AM 42 1.9 SE 11.6 18 0 0.0
6 AM 43 1.9 N 12.3 19 0 0.0
7 AM 42 1.8 N 11.7 20 15 0.0
8 AM 41 2.1 N 12.2 20 124 0.0
9 AM 40 2.7 N 14.2 18 237 0.0
10 AM -- 3.5 N 15.3 17 404 0.0
11 AM 42 2.5 S 15.2 16 393 0.0
12 PM 43 2.6 S 14.9 16 394 0.0
1 PM 43 2.4 S 14.8 17 270 0.0
2 PM 43 2.6 S 15.1 18 284 0.0
3 PM 52 2.6 S 15.0 18 208 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 12/05/2016 4:43 PM  I   http://www.nature.nps.gov/air/data/current/data_JOTR-CC.cfm   I  Email: Webmaster