National Park Service Arrowhead
Explore Air

Current Ozone and Weather Data in National Parks


Petrified Forest National Park - South Entrance, AZ
EPA AQS Site Number: 04-017-0119


Yesterday's Data   Data Timelines   Ozone Health Advisory  


Ozone Wednesday July 29, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 39 39
1 AM 39 --
2 AM 40 --
3 AM 39 --
4 AM 42 --
5 AM 38 --
Weather and Ozone Data Wednesday July 29, 2015
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 39 3.2 S 21.8 -- 0 0.0
1 AM 39 2.8 SE 22.0 -- 0 0.0
2 AM 40 2.9 S 21.8 -- 0 0.0
3 AM 39 3.4 S 21.1 -- 0 0.0
4 AM 42 3.3 W 21.5 -- 0 0.0
5 AM 38 2.6 S 20.6 -- 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 07/29/2015 6:52 AM  I   http://www2.nature.nps.gov/air/data/current/data_PEFO-SE.cfm   I  Email: Webmaster