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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 25, 2017 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 25 26
1 AM 26 27
2 AM 26 28
3 AM 25 29
4 AM 26 30
5 AM 26 31
6 AM 29 --
7 AM 28 --
8 AM 31 --
9 AM 36 --
10 AM 37 --
Weather and Ozone Data Tuesday July 25, 2017
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 25 2.7 S 18.3 -- 0 0.0
1 AM 26 2.6 S 18.0 -- 0 0.0
2 AM 26 2.0 S 17.5 -- 0 0.0
3 AM 25 2.9 SE 17.5 -- 0 0.0
4 AM 26 2.9 S 17.5 -- 0 0.0
5 AM 26 2.9 SE 17.6 -- 0 0.0
6 AM 29 3.0 S 17.7 -- 5 0.0
7 AM 28 2.3 S 18.5 -- 109 0.0
8 AM 31 2.8 S 19.5 -- 142 0.0
9 AM 36 3.7 SW 21.7 -- 545 0.0
10 AM 37 2.5 SW 23.3 -- 743 0.0
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updated on 07/25/2017 11:44 AM  I   http://www.nature.nps.gov/air/data/current/data_PEFO-SE.cfm   I  Email: Webmaster