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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 April 23, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 47 43
1 AM 45 42
2 AM 43 43
3 AM 45 45
4 AM 45 47
5 AM 41 49
6 AM 40 52
7 AM 39 54
8 AM 45 57
9 AM 52 60
10 AM 57 61
11 AM 60 61
12 PM 61 60
1 PM 62 59
2 PM 63 57
3 PM 63 55
4 PM 63 54
5 PM 60 53
6 PM 58 --
7 PM 55 --
8 PM 49 --
9 PM 47 --
10 PM 49 --
Weather and Ozone Data Wednesday April 23, 2014
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 47 4.3 SW 15.2 -- 0 0.0
1 AM 45 5.0 SW 14.4 -- 0 0.0
2 AM 43 4.0 SW 12.8 -- 0 0.0
3 AM 45 4.2 SW 12.4 -- 0 0.0
4 AM 45 4.4 SW 12.6 -- 0 0.0
5 AM 41 4.5 SW 10.6 -- 0 0.0
6 AM 40 4.3 SW 9.5 -- 8 0.0
7 AM 39 3.8 SW 9.5 -- 150 0.0
8 AM 45 7.6 SW 12.6 -- 372 0.0
9 AM 52 8.7 SW 14.2 -- 505 0.0
10 AM 57 10.1 SW 15.7 -- 790 0.0
11 AM 60 9.2 SW 17.4 -- 912 0.0
12 PM 61 8.7 W 17.9 -- 787 0.0
1 PM 62 9.6 W 18.2 -- 791 0.0
2 PM 63 10.2 W 18.2 -- 827 0.0
3 PM 63 10.7 NW 17.7 -- 532 0.0
4 PM 63 8.9 NW 17.8 -- 623 0.0
5 PM 60 9.5 NW 17.9 -- 506 0.0
6 PM 58 8.5 NW 17.4 -- 274 0.0
7 PM 55 6.0 NW 16.0 -- 61 0.0
8 PM 49 4.6 NW 13.4 -- 0 0.0
9 PM 47 4.1 NW 12.0 -- 0 0.0
10 PM 49 3.4 NW 11.8 -- 0 0.0
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updated on 04/23/2014 11:44 PM  I   http://www.nature.nps.gov/air/data/current/data_PEFO-SE.cfm   I  Email: Webmaster