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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 Monday May 4, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 51 46
1 AM 49 45
2 AM 48 44
3 AM 48 44
4 AM 46 45
5 AM 46 47
6 AM 42 48
7 AM 40 50
8 AM 41 52
9 AM 44 54
10 AM 52 56
11 AM 55 57
12 PM 57 57
1 PM 59 56
2 PM 58 55
3 PM 57 54
4 PM 57 52
5 PM 58 50
6 PM 58 48
7 PM 55 46
8 PM 53 44
9 PM 51 42
10 PM 45 40
11 PM 41 38
Weather and Ozone Data Monday May 4, 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 51 3.0 NE 9.5 35 0 0.0
1 AM 49 5.9 E 9.2 36 0 0.0
2 AM 48 6.5 E 9.2 35 0 0.0
3 AM 48 6.2 E 8.5 36 0 0.0
4 AM 46 6.8 E 7.8 37 0 0.0
5 AM 46 7.7 E 7.2 40 0 0.0
6 AM 42 6.2 SE 5.4 48 7 0.0
7 AM 40 5.5 SE 6.0 51 90 0.0
8 AM 41 7.5 SE 8.6 46 245 0.0
9 AM 44 9.1 SE 11.6 39 386 0.0
10 AM 52 11.0 S 14.5 31 634 0.0
11 AM 55 11.0 S 14.9 33 771 0.0
12 PM 57 10.4 S 16.1 34 857 0.0
1 PM 59 11.0 S 16.5 36 895 0.0
2 PM 58 10.8 S 16.8 42 877 0.0
3 PM 57 11.2 S 17.0 44 813 0.0
4 PM 57 12.1 S 16.2 47 708 0.0
5 PM 58 12.4 S 15.5 47 566 0.0
6 PM 58 11.7 S 15.1 43 383 0.0
7 PM 55 10.4 SE 13.5 48 206 0.0
8 PM 53 9.2 SE 11.5 59 55 0.0
9 PM 51 8.3 SE 9.7 57 2 0.0
10 PM 45 8.2 SE 8.3 60 0 0.0
11 PM 41 9.3 SE 7.8 60 0 0.0
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updated on 05/05/2015 11:50 PM  I   http://nature.nps.gov/air/data/current/data_THRO-VC2.cfm   I  Email: Webmaster