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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 April 24, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 46 40
1 AM 45 40
2 AM 46 41
3 AM 40 41
4 AM 37 43
5 AM 36 45
6 AM 36 47
7 AM 37 49
8 AM 45 51
9 AM 51 52
10 AM 51 52
11 AM 54 52
12 PM 53 --
1 PM 52 --
2 PM 53 --
3 PM 52 --
4 PM 51 --
Weather and Ozone Data Friday April 24, 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 46 3.5 SW 9.4 -- 0 0.0
1 AM 45 2.2 SW 8.8 -- 0 0.0
2 AM 46 2.1 SW 8.9 -- 0 0.0
3 AM 40 2.0 S 7.1 -- 0 0.0
4 AM 37 2.6 S 6.1 -- 0 0.0
5 AM 36 3.7 SW 5.5 -- 0 0.0
6 AM 36 4.0 SW 5.9 -- 4 0.0
7 AM 37 3.2 S 6.5 -- 126 0.0
8 AM 45 7.8 SW 9.1 -- 280 0.0
9 AM 51 8.3 SW 10.8 -- 575 0.0
10 AM 51 6.4 SW 12.1 -- 686 0.0
11 AM 54 7.1 W 12.5 -- 439 0.0
12 PM 53 7.0 NW 12.1 -- 639 0.0
1 PM 52 6.3 W 12.9 -- 510 0.0
2 PM 53 8.3 SW 15.1 -- 598 0.0
3 PM 52 10.1 SW 14.2 -- 387 0.0
4 PM 51 12.3 SW 14.5 -- 600 0.0
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updated on 04/24/2015 5:44 PM  I   http://www.nature.nps.gov/air/data/current/data_PEFO-SE.cfm   I  Email: Webmaster