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Current Ozone and Weather Data in National Parks


Theodore Roosevelt National Park - Visitor Center, ND
EPA AQS Site Number: 38-007-0002


Yesterday's Data   Data Timelines   Ozone Health Advisory  


Ozone Saturday April 25, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 42 30
1 AM 38 29
2 AM 36 27
3 AM 29 26
4 AM 25 26
5 AM 24 27
6 AM 26 27
7 AM 27 27
8 AM 28 27
9 AM 27 27
10 AM 29 26
11 AM 28 26
12 PM 27 26
1 PM 30 27
2 PM 27 27
3 PM 24 27
4 PM 24 28
5 PM 26 --
6 PM 27 --
7 PM 25 --
8 PM 33 --
9 PM 34 --
Weather and Ozone Data Saturday April 25, 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 42 9.3 E 9.2 59 0 0.0
1 AM 38 7.7 SE 7.9 69 0 0.0
2 AM 36 6.5 SE 6.6 79 0 0.0
3 AM 29 6.3 SE 5.6 87 0 0.0
4 AM 25 6.5 S 4.7 94 0 0.0
5 AM 24 7.0 SE 6.0 97 0 0.0
6 AM 26 7.9 SE 6.0 96 1 0.0
7 AM 27 6.3 SE 6.3 95 23 0.0
8 AM 28 6.5 SE 6.5 93 69 0.0
9 AM 27 7.6 SE 6.3 91 119 0.0
10 AM 29 7.0 SE 6.8 88 156 0.0
11 AM 28 8.2 SE 7.3 87 158 0.0
12 PM 27 9.1 SE 7.9 88 199 0.0
1 PM 30 8.7 SE 8.9 84 215 0.0
2 PM 27 8.1 SE 8.7 86 149 0.0
3 PM 24 7.7 SE 8.8 86 156 0.0
4 PM 24 8.0 SE 8.9 85 131 0.0
5 PM 26 8.1 SE 8.8 86 81 0.0
6 PM 27 8.0 S 8.7 86 82 0.0
7 PM 25 5.8 S 8.4 91 11 0.0
8 PM 33 4.6 W 7.5 94 3 0.5
9 PM 34 2.8 W 6.8 95 3 0.1
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updated on 04/25/2015 9:45 PM  I   http://www.nature.nps.gov/air/data/current/data_THRO-VC.cfm   I  Email: Webmaster