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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 October 23, 2017 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 33 27
1 AM 30 26
2 AM 28 25
3 AM 27 25
4 AM 27 25
5 AM 27 27
6 AM 27 28
7 AM 24 30
8 AM 20 32
9 AM 21 34
10 AM 29 37
11 AM 32 38
12 PM 37 38
1 PM 38 38
2 PM 41 37
3 PM 41 37
4 PM 40 36
5 PM 39 --
6 PM 36 --
7 PM 36 --
8 PM 34 --
9 PM 34 --
Weather and Ozone Data Monday October 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 33 1.8 S 10.7 -- 1 0.0
1 AM 30 2.0 S 9.5 -- 1 0.0
2 AM 28 1.9 SE 8.3 -- 1 0.0
3 AM 27 2.2 SE 7.2 -- 1 0.0
4 AM 27 2.2 SE 6.6 -- 1 0.0
5 AM 27 2.1 SE 6.4 -- 1 0.0
6 AM 27 2.4 SE 6.0 -- 1 0.0
7 AM 24 2.8 S 3.3 -- 16 0.0
8 AM 20 2.6 SE 4.9 -- 198 0.0
9 AM 21 2.9 SE 8.7 -- 416 0.0
10 AM 29 1.4 E 12.9 -- 593 0.0
11 AM 32 1.5 NW 16.6 -- 717 0.0
12 PM 37 2.3 NW 19.7 -- 788 0.0
1 PM 38 2.8 NW 21.5 -- 793 0.0
2 PM 41 3.3 N 23.1 -- 727 0.0
3 PM 41 3.9 NW 24.3 -- 601 0.0
4 PM 40 4.1 NW 24.5 -- 422 0.0
5 PM 39 3.7 NW 23.8 -- 214 0.0
6 PM 36 4.0 NW 20.5 -- 27 0.0
7 PM 36 3.4 NW 17.1 -- 1 0.0
8 PM 34 2.8 NW 16.3 -- 1 0.0
9 PM 34 3.7 N 15.2 -- 1 0.0
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updated on 10/23/2017 10:44 PM  I   http://nature.nps.gov/air/data/current/data_PEFO-SE.cfm   I  Email: Webmaster