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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 July 29, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 39 38
1 AM 39 37
2 AM 40 36
3 AM 39 36
4 AM 42 37
5 AM 38 37
6 AM 38 38
7 AM 33 40
8 AM 30 42
9 AM 35 45
10 AM 40 46
11 AM 42 46
12 PM 45 46
1 PM 48 46
2 PM 51 45
3 PM 52 43
4 PM 51 41
5 PM 42 39
6 PM 41 37
7 PM 42 36
8 PM 42 34
9 PM 42 33
10 PM 39 32
11 PM 34 30
Weather and Ozone Data Wednesday July 29, 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 39 3.2 S 21.8 0 0 0.0
1 AM 39 2.8 SE 22.0 0 0 0.0
2 AM 40 2.9 S 21.8 0 0 0.0
3 AM 39 3.4 S 21.1 0 0 0.0
4 AM 42 3.3 W 21.5 0 0 0.0
5 AM 38 2.6 S 20.6 0 0 0.0
6 AM 38 2.2 SE 20.5 0 6 0.0
7 AM 33 4.5 SE 21.2 0 79 0.0
8 AM 30 4.8 SE 22.8 0 198 0.0
9 AM 35 4.7 SE 23.5 0 336 0.0
10 AM 40 3.4 SE 24.4 0 245 0.0
11 AM 42 3.7 SE 24.8 0 220 0.0
12 PM 45 3.0 E 24.8 0 257 0.0
1 PM 48 5.2 NE 26.2 0 548 0.0
2 PM 51 7.4 NE 26.8 0 399 0.0
3 PM 52 6.4 NE 28.5 0 740 0.0
4 PM 51 4.3 E 27.9 0 99 0.0
5 PM 42 7.5 S 19.1 0 26 0.0
6 PM 41 6.3 SE 17.3 0 24 0.0
7 PM 42 5.5 SE 16.8 0 22 0.0
8 PM 42 5.8 SE 16.6 0 1 0.0
9 PM 42 4.3 SE 16.8 0 0 0.0
10 PM 39 4.2 S 16.3 0 0 0.0
11 PM 34 3.5 S 16.5 0 0 0.0
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updated on 07/30/2015 1:49 PM  I   http://www2.nature.nps.gov/air/data/current/data_PEFO-SE2.cfm   I  Email: Webmaster