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 Saturday April 30, 2016 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 45 42
1 AM 41 41
2 AM 41 42
3 AM 38 43
4 AM 42 44
5 AM 46 46
6 AM 46 46
7 AM 41 47
8 AM 40 48
9 AM 45 50
10 AM 49 51
11 AM 50 50
12 PM 51 50
1 PM 52 49
2 PM 52 47
3 PM 52 46
4 PM 53 45
5 PM 49 44
6 PM 46 45
7 PM 46 45
8 PM 43 45
9 PM 41 46
10 PM 41 46
11 PM 42 47
Weather and Ozone Data Saturday April 30, 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 45 3.8 SW 7.8 0 0 0.0
1 AM 41 1.9 SE 6.8 0 0 0.0
2 AM 41 1.9 SW 7.6 0 0 0.0
3 AM 38 3.7 S 7.0 0 0 0.0
4 AM 42 3.8 SW 6.3 0 0 0.0
5 AM 46 1.3 NE 6.5 0 0 0.0
6 AM 46 2.4 SE 6.3 0 9 0.0
7 AM 41 1.9 SE 6.5 0 116 0.0
8 AM 40 2.8 SE 8.0 0 282 0.0
9 AM 45 3.1 SE 10.1 0 606 0.0
10 AM 49 3.1 S 11.8 0 635 0.0
11 AM 50 2.5 SW 11.4 0 163 0.0
12 PM 51 4.4 SW 12.2 0 648 0.0
1 PM 52 3.7 S 14.0 0 529 0.0
2 PM 52 2.7 SW 13.5 0 234 0.0
3 PM 52 2.7 N 13.7 0 354 0.0
4 PM 53 3.2 SW 13.6 0 125 0.0
5 PM 49 3.8 NE 10.4 0 137 0.0
6 PM 46 5.3 NW 10.2 0 85 0.0
7 PM 46 7.3 N 8.3 0 7 0.0
8 PM 43 5.0 NE 6.5 0 0 0.0
9 PM 41 5.7 N 5.9 0 0 0.0
10 PM 41 6.8 NE 5.9 0 0 0.0
11 PM 42 4.9 E 6.1 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 05/01/2016 8:39 AM  I   http://nature.nps.gov/air/data/current/data_PEFO-SE2.cfm   I  Email: Webmaster