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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 Friday July 21, 2017 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 44 --
1 AM 43 --
2 AM 42 --
3 AM 43 --
4 AM 41 --
Weather and Ozone Data Friday July 21, 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 44 0.9 SE 0.0 -- 0 0.0
1 AM 43 2.0 NE 0.0 -- 0 0.0
2 AM 42 1.7 E 0.0 -- 0 0.0
3 AM 43 2.5 E 0.0 -- 0 0.0
4 AM 41 2.0 SE 0.0 -- 0 0.0
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updated on 07/21/2017 5:42 AM  I   http://nature.nps.gov/air/data/current/data_PEFO-SE.cfm   I  Email: Webmaster