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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 Thursday July 20, 2017 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 36 39
1 AM 38 41
2 AM 43 44
3 AM 39 46
4 AM 42 49
5 AM 39 52
6 AM 39 55
7 AM 42 58
8 AM 53 60
9 AM 57 61
10 AM 60 62
11 AM 63 61
12 PM 63 61
1 PM 63 60
2 PM 63 58
3 PM 61 56
4 PM 62 54
5 PM 61 52
6 PM 58 50
7 PM 57 48
8 PM 55 46
9 PM 50 44
10 PM 48 43
11 PM 47 42
Weather and Ozone Data Thursday July 20, 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 3.3 SW 0.0 0 0 0.0
1 AM 38 5.9 SW 0.0 0 0 0.0
2 AM 43 4.7 SW 0.0 0 0 0.0
3 AM 39 3.3 S 0.0 0 0 0.0
4 AM 42 2.7 SW 0.0 0 0 0.0
5 AM 39 2.0 S 0.0 0 0 0.0
6 AM 39 3.7 S 0.0 0 7 0.0
7 AM 42 4.0 S 0.0 0 131 0.0
8 AM 53 4.9 SW 0.0 0 404 0.0
9 AM 57 4.8 S 0.0 0 526 0.0
10 AM 60 3.3 S 0.0 0 687 0.0
11 AM 63 2.9 SW 0.0 0 864 0.0
12 PM 63 3.9 SW 0.0 0 943 0.0
1 PM 63 3.4 W 0.0 0 720 0.0
2 PM 63 3.4 W 0.0 0 498 0.0
3 PM 61 6.2 NW 0.0 0 59 0.0
4 PM 62 4.4 SW 0.0 0 128 0.0
5 PM 61 1.9 SE 0.0 0 298 0.0
6 PM 58 6.9 NE 0.0 0 109 0.0
7 PM 57 5.2 N 0.0 0 11 0.0
8 PM 55 3.3 N 0.0 0 0 0.0
9 PM 50 3.0 E 0.0 0 0 0.0
10 PM 48 5.1 SE 0.0 0 0 0.0
11 PM 47 5.1 SE 0.0 0 0 0.0
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updated on 07/21/2017 8:41 AM  I   http://nature.nps.gov/air/data/current/data_PEFO-SE2.cfm   I  Email: Webmaster