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


Today's Data   Data Timelines   Ozone Health Advisory  
Ozone Tuesday April 22, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 48 45
1 AM 46 45
2 AM 45 45
3 AM 50 46
4 AM 48 47
5 AM 46 49
6 AM 42 51
7 AM 42 53
8 AM 42 56
9 AM 49 58
10 AM 54 60
11 AM 60 61
12 PM 61 61
1 PM 61 60
2 PM 61 59
3 PM 61 58
4 PM 62 56
5 PM 61 54
6 PM 62 52
7 PM 60 50
8 PM 56 48
9 PM 53 47
10 PM 51 45
11 PM 49 44
Weather and Ozone Data Tuesday April 22, 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 48 4.0 W 16.9 0 0 0.0
1 AM 46 2.4 SW 15.9 0 0 0.0
2 AM 45 2.2 S 15.1 0 0 0.0
3 AM 50 1.8 S 14.9 0 0 0.0
4 AM 48 2.8 SE 14.1 0 0 0.0
5 AM 46 3.3 E 13.7 0 0 0.0
6 AM 42 2.9 SE 11.8 0 9 0.0
7 AM 42 3.0 SE 12.2 0 109 0.0
8 AM 42 3.6 SE 15.0 0 359 0.0
9 AM 49 4.3 SE 18.5 0 596 0.0
10 AM 54 3.6 S 20.7 0 730 0.0
11 AM 60 8.0 SW 22.7 0 831 0.0
12 PM 61 12.0 SW 23.8 0 961 0.0
1 PM 61 11.7 SW 23.8 0 827 0.0
2 PM 61 12.0 SW 24.2 0 855 0.0
3 PM 61 11.0 SW 23.8 0 525 0.0
4 PM 62 11.0 SW 23.9 0 549 0.0
5 PM 61 12.1 SW 23.5 0 422 0.0
6 PM 62 12.3 SW 22.4 0 187 0.0
7 PM 60 10.3 SW 20.9 0 34 0.0
8 PM 56 7.1 SW 19.0 0 0 0.0
9 PM 53 4.9 SW 17.3 0 0 0.0
10 PM 51 5.3 SW 16.5 0 0 0.0
11 PM 49 5.8 SW 16.0 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 04/23/2014 11:44 PM  I   http://nature.nps.gov/air/data/current/data_PEFO-SE2.cfm   I  Email: Webmaster