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 Thursday April 24, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 57 52
1 AM 54 51
2 AM 50 51
3 AM 50 51
4 AM 50 51
5 AM 51 --
6 AM 52 --
7 AM 52 --
8 AM 51 --
9 AM 53 --
Weather and Ozone Data Thursday April 24, 2014
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 57 1.4 N 17.0 18 0 0.0
1 AM 54 2.1 N 15.4 20 0 0.0
2 AM 50 3.1 N 14.5 19 0 0.0
3 AM 50 4.1 N 14.8 17 0 0.0
4 AM 50 3.5 N 14.2 19 0 0.0
5 AM 51 2.6 N 14.0 20 0 0.0
6 AM 52 2.7 N 14.7 20 0 0.0
7 AM 52 2.5 N 14.3 20 55 0.0
8 AM 51 2.2 N 16.7 18 267 0.0
9 AM 53 2.8 N 19.1 15 488 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 04/24/2014 11:41 AM  I   http://nature.nps.gov/air/data/current/data_JOTR-CC.cfm   I  Email: Webmaster