National Park Service Arrowhead
Explore Air

Current Ozone and Weather Data in National Parks


Joshua Tree National Park - Black Rock, CA
Portable Ozone Monitor


Yesterday's Data   Data Timelines   Ozone Health Advisory  


Ozone Tuesday November 25, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 41 40
1 AM 42 41
2 AM 42 41
3 AM 41 41
4 AM 39 42
5 AM 40 42
6 AM 40 43
7 AM 42 43
8 AM 43 44
9 AM 43 --
10 AM 43 --
11 AM 46 --
12 PM 45 --
1 PM 45 --
Weather and Ozone Data Tuesday November 25, 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 41 1.1 NE 7.7 22 0 0.0
1 AM 42 0.6 NW 8.1 22 0 0.0
2 AM 42 1.5 S 7.3 22 0 0.0
3 AM 41 2.9 S 6.2 24 0 0.0
4 AM 39 4.7 S 4.6 26 0 0.0
5 AM 40 4.5 S 4.9 26 0 0.0
6 AM 40 4.6 S 5.4 24 0 0.0
7 AM 42 4.2 S 6.7 20 7 0.0
8 AM 43 2.4 S 9.9 17 157 0.0
9 AM 43 1.4 SE 12.6 14 354 0.0
10 AM 43 1.7 SW 13.6 12 503 0.0
11 AM 46 2.3 SW 14.5 9 601 0.0
12 PM 45 2.1 N 15.0 11 634 0.0
1 PM 45 2.4 N 15.9 10 602 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 11/25/2014 2:39 PM  I   http://www.nature.nps.gov/air/data/current/data_JOTR-BR.cfm   I  Email: Webmaster