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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 Thursday July 20, 2017 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 44 43
1 AM 44 43
2 AM 44 43
3 AM 43 44
4 AM 43 46
5 AM 43 47
6 AM 41 49
7 AM 42 52
8 AM 44 54
9 AM 48 56
10 AM 52 56
11 AM 55 56
12 PM 57 55
1 PM 59 53
2 PM 60 52
3 PM 60 49
4 PM 58 46
5 PM 51 43
6 PM 49 40
7 PM 46 38
8 PM 47 37
9 PM 45 35
10 PM 39 34
11 PM 38 34
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 44 5.9 N 21.9 56 0 0.0
1 AM 44 5.8 N 20.8 60 0 0.0
2 AM 44 5.3 NE 20.1 63 0 0.0
3 AM 43 5.5 NE 19.5 66 0 0.0
4 AM 43 7.5 N 19.3 68 0 0.0
5 AM 43 8.0 NE 19.7 69 0 0.0
6 AM 41 6.4 NE 19.3 75 27 0.0
7 AM 42 6.1 NE 20.6 72 107 0.0
8 AM 44 6.9 NE 22.5 69 248 0.0
9 AM 48 8.1 NE 25.8 60 458 0.0
10 AM 52 6.9 NE 28.0 50 540 0.0
11 AM 55 6.6 N 31.5 36 714 0.0
12 PM 57 7.5 N 32.6 30 666 0.0
1 PM 59 7.6 N 34.2 27 874 0.0
2 PM 60 10.0 N 35.7 23 881 0.0
3 PM 60 10.4 N 36.8 21 835 0.0
4 PM 58 12.6 N 34.9 27 328 0.4
5 PM 51 8.1 N 28.6 55 564 4.1
6 PM 49 9.6 N 26.2 55 263 0.1
7 PM 46 7.8 N 26.5 49 340 0.0
8 PM 47 8.1 NW 24.7 56 71 0.0
9 PM 45 8.3 NW 22.2 63 9 0.0
10 PM 39 8.2 NW 21.1 69 0 0.0
11 PM 38 7.6 N 20.6 72 0 0.0
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updated on 07/21/2017 8:41 AM  I   http://www.nature.nps.gov/air/data/current/data_THRO-VC2.cfm   I  Email: Webmaster