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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 Wednesday May 27, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 50 42
1 AM 45 41
2 AM 42 41
3 AM 43 42
4 AM 43 43
5 AM 41 45
6 AM 41 47
7 AM 38 50
8 AM 37 52
9 AM 45 55
10 AM 49 57
11 AM 54 58
12 PM 57 --
1 PM 58 --
2 PM 62 --
3 PM 61 --
4 PM 59 --
Weather and Ozone Data Wednesday May 27, 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 50 2.5 W 15.8 -- 0 0.0
1 AM 45 1.9 SE 13.8 -- 0 0.0
2 AM 42 2.3 SE 13.2 -- 0 0.0
3 AM 43 2.0 SE 12.9 -- 0 0.0
4 AM 43 1.7 SE 12.7 -- 0 0.0
5 AM 41 2.8 SE 11.4 -- 0 0.0
6 AM 41 3.0 E 11.3 -- 44 0.0
7 AM 38 2.8 E 11.6 -- 132 0.0
8 AM 37 2.9 SE 13.5 -- 376 0.0
9 AM 45 2.9 SE 16.1 -- 469 0.0
10 AM 49 2.7 SE 18.3 -- 516 0.0
11 AM 54 2.5 S 20.7 -- 699 0.0
12 PM 57 2.0 SW 21.7 -- 646 0.0
1 PM 58 3.0 S 22.5 -- 633 0.0
2 PM 62 5.1 SW 23.3 -- 542 0.0
3 PM 61 4.8 SW 23.4 -- 486 0.0
4 PM 59 4.9 SW 23.8 -- 555 0.0
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updated on 05/27/2015 9:44 PM  I   http://www.nature.nps.gov/air/data/current/data_PEFO-SE.cfm   I  Email: Webmaster