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 Sunday April 23, 2017 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 49 40
1 AM 44 --
2 AM 43 --
3 AM 38 --
4 AM 35 --
5 AM 36 --
Weather and Ozone Data Sunday April 23, 2017
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 49 1.9 SE 15.3 -- 0 0.0
1 AM 44 2.5 E 13.2 -- 0 0.0
2 AM 43 3.9 E 12.3 -- 0 0.0
3 AM 38 1.6 SE 9.7 -- 0 0.0
4 AM 35 3.1 SE 8.2 -- 0 0.0
5 AM 36 4.1 SE 8.0 -- 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 04/23/2017 6:42 AM  I   http://www.nature.nps.gov/air/data/current/data_PEFO-SE.cfm   I  Email: Webmaster