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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 Tuesday July 28, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 28 28
1 AM 29 27
2 AM 29 27
3 AM 29 27
4 AM 28 28
5 AM 28 29
6 AM 29 30
7 AM 26 31
8 AM 23 32
9 AM 25 --
10 AM 32 --
11 AM 38 --
12 PM 37 --
1 PM -- --
2 PM 40 --
3 PM -- --
4 PM -- --
Weather and Ozone Data Tuesday July 28, 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 28 3.2 W 22.4 -- 0 0.0
1 AM 29 2.6 W 22.2 -- 0 0.0
2 AM 29 1.8 SW 21.8 -- 0 0.0
3 AM 29 2.0 SW 21.5 -- 0 0.0
4 AM 28 1.4 S 20.7 -- 0 0.0
5 AM 28 1.4 S 20.4 -- 0 0.0
6 AM 29 1.6 SW 20.6 -- 7 0.0
7 AM 26 1.5 SE 19.8 -- 58 0.0
8 AM 23 2.1 S 20.3 -- 107 0.0
9 AM 25 3.3 W 23.0 -- 296 0.0
10 AM 32 1.4 NW 25.0 -- 599 0.0
11 AM 38 2.8 W 26.5 -- 895 0.0
12 PM 37 3.1 W 27.4 -- 862 0.0
1 PM -- 3.5 W 28.3 -- 956 0.0
2 PM 40 3.4 W 29.1 -- 857 0.0
3 PM -- 4.3 W 29.8 -- 1004 0.0
4 PM -- 3.2 W 29.7 -- 468 0.0
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updated on 07/28/2015 5:54 PM  I   http://www.nature.nps.gov/air/data/current/data_PEFO-SE.cfm   I  Email: Webmaster