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 Saturday April 19, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 45 40
1 AM 47 39
2 AM 45 38
3 AM 42 38
4 AM 40 39
5 AM 38 40
6 AM 36 42
7 AM 34 44
8 AM 35 47
9 AM 38 49
10 AM 41 51
11 AM 50 52
12 PM 54 52
1 PM 53 52
2 PM 54 52
3 PM 54 --
4 PM 53 --
5 PM 52 --
6 PM 52 --
7 PM 49 --
Weather and Ozone Data Saturday April 19, 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 2.3 E 9.5 -- 0 0.0
1 AM 47 3.2 E 9.7 -- 0 0.0
2 AM 45 3.2 E 9.2 -- 0 0.0
3 AM 42 3.3 E 8.4 -- 0 0.0
4 AM 40 2.7 E 7.7 -- 0 0.0
5 AM 38 3.3 E 6.9 -- 0 0.0
6 AM 36 3.2 SE 6.3 -- 5 0.0
7 AM 34 2.1 E 6.2 -- 79 0.0
8 AM 35 2.5 E 8.1 -- 164 0.0
9 AM 38 3.0 E 9.8 -- 289 0.0
10 AM 41 3.1 SE 12.1 -- 606 0.0
11 AM 50 2.2 S 15.0 -- 880 0.0
12 PM 54 2.5 NW 16.1 -- 816 0.0
1 PM 53 3.8 W 17.1 -- 952 0.0
2 PM 54 5.5 SW 16.8 -- 348 0.0
3 PM 54 7.4 S 15.3 -- 245 0.0
4 PM 53 9.6 SW 13.7 -- 250 0.0
5 PM 52 10.3 S 12.0 -- 196 0.0
6 PM 52 7.0 S 12.0 -- 213 0.0
7 PM 49 4.1 S 11.2 -- 43 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 04/19/2014 8:41 PM  I   http://nature.nps.gov/air/data/current/data_PEFO-SE.cfm   I  Email: Webmaster