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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


Today's Data   Data Timelines   Ozone Health Advisory  
Ozone Wednesday October 18, 2017 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 36 33
1 AM 36 33
2 AM 35 32
3 AM 35 32
4 AM 35 32
5 AM 33 33
6 AM 31 35
7 AM 30 37
8 AM 29 39
9 AM 29 41
10 AM 34 44
11 AM 40 46
12 PM 43 48
1 PM 45 49
2 PM 47 49
3 PM 48 49
4 PM 49 47
5 PM 50 47
6 PM 52 47
7 PM 52 --
8 PM 51 --
9 PM 45 --
10 PM 46 --
11 PM 38 --
Weather and Ozone Data Wednesday October 18, 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 36 2.9 S 13.9 0 1 0.0
1 AM 36 1.2 SW 14.7 0 1 0.0
2 AM 35 0.9 NW 14.1 0 1 0.0
3 AM 35 1.4 E 13.6 0 1 0.0
4 AM 35 2.6 SE 11.9 0 1 0.0
5 AM 33 2.6 SE 10.8 0 1 0.0
6 AM 31 2.5 SE 10.8 0 1 0.0
7 AM 30 2.8 SE 9.7 0 11 0.0
8 AM 29 2.3 SE 11.6 0 180 0.0
9 AM 29 3.0 SE 14.4 0 331 0.0
10 AM 34 2.1 SE 18.5 0 600 0.0
11 AM 40 1.4 W 21.2 0 717 0.0
12 PM 43 1.7 W 22.9 0 758 0.0
1 PM 45 2.3 SW 24.6 0 767 0.0
2 PM 47 2.3 NW 25.2 0 720 0.0
3 PM 48 1.7 NW 25.9 0 603 0.0
4 PM 49 2.1 NW 25.8 0 354 0.0
5 PM 50 2.7 N 25.3 0 202 0.0
6 PM 52 2.7 NE 22.0 0 12 0.0
7 PM 52 3.0 NE 20.5 0 1 0.0
8 PM 51 2.0 NE 20.9 0 1 0.0
9 PM 45 2.1 S 19.4 0 1 0.0
10 PM 46 3.4 SW 18.6 0 1 0.0
11 PM 38 2.5 W 17.2 0 1 0.0
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updated on 10/19/2017 12:43 AM  I   http://nature.nps.gov/air/data/current/data_PEFO-SE2.cfm   I  Email: Webmaster