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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


Today's Data   Data Timelines   Ozone Health Advisory  
Ozone Wednesday July 23, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 27 21
1 AM 27 21
2 AM 25 21
3 AM 22 21
4 AM 17 22
5 AM 23 24
6 AM 15 26
7 AM 17 29
8 AM 23 31
9 AM 26 34
10 AM 29 36
11 AM 31 37
12 PM 34 38
1 PM 36 38
2 PM 36 38
3 PM 40 38
4 PM 42 38
5 PM 41 36
6 PM 40 35
7 PM 40 35
8 PM 36 34
9 PM 36 33
10 PM 34 33
11 PM 35 32
Weather and Ozone Data Wednesday July 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 27 3.1 S 18.3 85 1 0.0
1 AM 27 3.9 S 18.5 81 1 0.0
2 AM 25 4.7 SE 17.9 84 1 0.0
3 AM 22 3.9 SE 17.4 86 1 0.0
4 AM 17 3.6 SE 17.2 87 1 0.0
5 AM 23 4.4 E 17.4 87 1 0.0
6 AM 15 5.5 SE 16.6 91 13 0.0
7 AM 17 4.3 SE 16.7 89 116 0.0
8 AM 23 5.2 SE 18.1 83 267 0.0
9 AM 26 6.7 SE 19.9 78 419 0.0
10 AM 29 7.2 SE 21.3 72 570 0.0
11 AM 31 7.0 SE 22.2 70 675 0.0
12 PM 34 6.8 SE 23.7 66 776 0.0
1 PM 36 7.1 SE 24.5 64 730 0.0
2 PM 36 7.6 SE 25.8 63 785 0.0
3 PM 40 8.3 SE 26.9 56 762 0.0
4 PM 42 7.9 SE 27.1 54 505 0.0
5 PM 41 8.6 SE 27.5 54 564 0.0
6 PM 40 8.8 SE 27.0 55 365 0.0
7 PM 40 8.8 SE 26.1 56 260 0.0
8 PM 36 7.8 SE 24.7 60 100 0.0
9 PM 36 8.0 SE 22.9 65 10 0.0
10 PM 34 9.0 SE 21.8 64 1 0.0
11 PM 35 9.9 SE 21.1 62 1 0.0
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updated on 07/24/2014 6:41 PM  I   http://www2.nature.nps.gov/air/data/current/data_THRO-VC2.cfm   I  Email: Webmaster