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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 Monday January 23, 2017 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 40 39
1 AM 40 39
2 AM 39 38
3 AM 38 39
4 AM 39 39
5 AM 40 39
6 AM 38 39
7 AM 39 39
8 AM 39 39
9 AM 39 38
10 AM 40 38
11 AM 40 37
12 PM 40 37
1 PM 39 --
2 PM 38 --
3 PM 37 --
4 PM 36 --
5 PM 35 --
Weather and Ozone Data Monday January 23, 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 40 4.5 SW 2.8 -- 0 0.0
1 AM 40 4.0 SW 2.8 -- 0 0.0
2 AM 39 3.4 S 2.1 -- 0 0.0
3 AM 38 5.0 S 1.9 -- 0 0.0
4 AM 39 6.8 S 2.1 -- 0 0.0
5 AM 40 3.8 S 2.7 -- 0 0.0
6 AM 38 5.6 S 2.0 -- 0 0.0
7 AM 39 8.7 S 2.0 -- 0 0.0
8 AM 39 7.3 S 2.1 -- 21 0.0
9 AM 39 9.0 S 3.9 -- 187 0.0
10 AM 40 14.1 S 6.0 -- 364 0.0
11 AM 40 15.9 S 7.1 -- 508 0.0
12 PM 40 17.1 S 7.5 -- 602 0.0
1 PM 39 17.2 S 7.5 -- 640 0.0
2 PM 38 16.1 SW 7.3 -- 605 0.0
3 PM 37 15.0 SW 7.6 -- 523 0.0
4 PM 36 13.4 SW 7.0 -- 357 0.0
5 PM 35 11.4 SW 5.8 -- 137 0.0
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updated on 01/23/2017 5:40 PM  I   http://www.nature.nps.gov/air/data/current/data_PEFO-SE.cfm   I  Email: Webmaster