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 Friday April 29, 2016 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 58 49
1 AM 55 48
2 AM 55 46
3 AM 49 --
4 AM 46 --
5 AM 45 --
6 AM 44 --
7 AM 42 --
Weather and Ozone Data Friday April 29, 2016
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 58 3.7 NW 5.2 -- 0 0.0
1 AM 55 2.2 W 4.3 -- 0 0.0
2 AM 55 2.1 SE 3.5 -- 0 0.0
3 AM 49 2.5 SE 2.8 -- 0 0.0
4 AM 46 1.6 SE 3.3 -- 0 0.0
5 AM 45 1.9 W 4.5 -- 0 0.0
6 AM 44 2.2 SW 4.9 -- 6 0.0
7 AM 42 3.5 SW 5.5 -- 124 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 04/29/2016 8:39 AM  I   http://nature.nps.gov/air/data/current/data_PEFO-SE.cfm   I  Email: Webmaster