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 July 25, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 45 39
1 AM 44 38
2 AM 38 38
3 AM 39 39
4 AM 47 41
5 AM 36 42
6 AM 34 45
7 AM 33 46
8 AM 38 49
9 AM 42 --
10 AM 48 --
11 AM 53 --
12 PM 55 --
1 PM 58 --
Weather and Ozone Data Friday July 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 45 2.0 N 24.5 -- 0 0.0
1 AM 44 2.4 E 23.5 -- 0 0.0
2 AM 38 2.1 SW 22.2 -- 0 0.0
3 AM 39 2.1 SW 21.7 -- 0 0.0
4 AM 47 2.2 SW 22.5 -- 0 0.0
5 AM 36 2.4 S 20.1 -- 0 0.0
6 AM 34 2.5 SE 19.8 -- 18 0.0
7 AM 33 3.4 SE 19.7 -- 166 0.0
8 AM 38 4.0 SE 23.0 -- 370 0.0
9 AM 42 3.7 S 26.1 -- 576 0.0
10 AM 48 3.1 SW 28.8 -- 755 0.0
11 AM 53 3.5 W 30.3 -- 890 0.0
12 PM 55 3.1 NW 31.4 -- 949 0.0
1 PM 58 3.3 W 31.6 -- 799 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 07/25/2014 2:40 PM  I   http://www2.nature.nps.gov/air/data/current/data_PEFO-SE.cfm   I  Email: Webmaster