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 Thursday January 29, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 29 24
1 AM 27 24
2 AM 28 23
3 AM 25 22
4 AM 23 22
5 AM 20 22
6 AM 19 23
7 AM 25 24
8 AM 26 25
9 AM 23 25
10 AM 21 26
11 AM 22 26
12 PM 23 27
1 PM 28 27
2 PM 29 27
3 PM 30 27
4 PM 30 27
5 PM 28 28
6 PM 25 28
7 PM 25 29
8 PM 26 30
9 PM 27 30
10 PM 31 30
11 PM 31 30
Weather and Ozone Data Thursday January 29, 2015
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 29 1.3 E 6.9 0 0 0.0
1 AM 27 2.1 S 5.8 0 0 0.0
2 AM 28 2.0 W 6.4 0 0 0.0
3 AM 25 2.1 W 5.3 0 0 0.0
4 AM 23 2.3 E 4.3 0 0 0.0
5 AM 20 3.2 SE 3.5 0 0 0.0
6 AM 19 2.8 SE 2.6 0 0 0.0
7 AM 25 1.8 E 4.3 0 0 0.0
8 AM 26 1.5 E 4.7 0 15 0.0
9 AM 23 1.0 SE 4.4 0 84 0.0
10 AM 21 0.9 N 5.7 0 183 0.0
11 AM 22 1.3 W 6.9 0 225 0.0
12 PM 23 1.5 SW 8.1 0 399 0.0
1 PM 28 2.0 E 9.8 0 417 0.0
2 PM 29 1.5 E 11.1 0 257 0.0
3 PM 30 1.3 SE 12.4 0 191 0.0
4 PM 30 1.1 N 13.0 0 166 0.0
5 PM 28 2.3 W 12.5 0 30 0.0
6 PM 25 2.2 NW 11.8 0 7 0.0
7 PM 25 1.9 W 10.9 0 0 0.0
8 PM 26 1.9 NW 8.9 0 0 0.0
9 PM 27 3.8 E 7.4 0 0 0.0
10 PM 31 6.2 E 5.6 0 0 0.0
11 PM 31 7.9 E 5.5 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 01/30/2015 7:42 AM  I   http://www2.nature.nps.gov/air/data/current/data_PEFO-SE2.cfm   I  Email: Webmaster