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:


Today's Data   Data Timelines   Ozone Health Advisory  
Ozone Tuesday July 29, 2014 
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 Tuesday July 29, 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 -- 2.6 N 29.3 31 0 0.0
1 AM -- 2.1 N 28.5 33 0 0.0
2 AM -- 2.2 N 27.8 36 0 0.0
3 AM -- 2.1 NE 27.5 36 0 0.0
4 AM -- 2.4 NE 27.4 34 0 0.0
5 AM -- 2.2 N 26.6 35 0 0.0
6 AM -- 2.2 N 26.8 34 1 0.0
7 AM -- 2.8 N 26.4 34 72 0.0
8 AM -- 3.7 NE 28.5 28 257 0.0
9 AM -- 5.4 NE 29.6 27 453 0.0
10 AM -- 5.2 NE 30.5 27 634 0.0
11 AM -- 3.4 NE 31.9 27 802 0.0
12 PM -- 2.4 N 32.7 27 514 0.0
1 PM -- 2.2 SW 33.8 27 470 0.0
2 PM -- 2.6 SW 34.8 25 809 0.0
3 PM -- 2.8 SW 35.1 25 689 0.0
4 PM -- 2.8 SW 35.4 25 714 0.0
5 PM -- 2.3 SW 35.5 24 574 0.0
6 PM -- 3.4 SW 35.1 24 385 0.0
7 PM -- 2.5 SW 34.6 24 79 0.0
8 PM -- 1.2 W 33.7 24 15 0.0
9 PM -- 0.9 W 32.7 23 0 0.0
10 PM -- 0.8 SW 32.2 22 0 0.0
11 PM -- 0.6 S 31.8 23 0 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 07/30/2014 4:40 AM  I   http://www.nature.nps.gov/air/data/current/data_JOTR-CC2.cfm   I  Email: Webmaster