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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 Tuesday March 31, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 35 33
1 AM 38 32
2 AM 39 30
3 AM 30 29
4 AM 31 31
5 AM 29 32
6 AM 31 34
7 AM 31 36
8 AM 30 39
9 AM 25 42
10 AM 32 45
11 AM 40 48
12 PM 43 49
1 PM 45 50
2 PM 49 49
3 PM 52 49
4 PM 53 47
5 PM 52 46
6 PM 51 45
7 PM 48 --
8 PM 50 --
9 PM 42 --
10 PM 45 --
11 PM 39 --
Weather and Ozone Data Tuesday March 31, 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 35 3.3 S 10.8 40 1 0.0
1 AM 38 1.8 E 10.2 42 1 0.0
2 AM 39 3.5 SE 9.2 46 1 0.0
3 AM 30 4.8 SE 6.8 54 1 0.0
4 AM 31 5.5 SE 6.3 56 1 0.0
5 AM 29 5.1 S 5.8 58 1 0.0
6 AM 31 5.4 S 4.4 63 1 0.0
7 AM 31 5.8 S 4.3 62 8 0.0
8 AM 30 6.4 S 4.7 61 121 0.0
9 AM 25 6.2 S 6.7 57 303 0.0
10 AM 32 4.5 S 11.4 46 430 0.0
11 AM 40 3.4 S 15.2 33 603 0.0
12 PM 43 3.5 S 17.6 28 684 0.0
1 PM 45 3.8 S 20.2 24 743 0.0
2 PM 49 5.4 SW 22.0 20 726 0.0
3 PM 52 6.0 SW 23.3 17 682 0.0
4 PM 53 6.4 W 23.9 14 560 0.0
5 PM 52 5.8 SW 23.6 15 266 0.0
6 PM 51 3.8 SW 23.2 16 168 0.0
7 PM 48 2.7 SW 22.6 18 107 0.0
8 PM 50 3.2 S 21.4 19 5 0.0
9 PM 42 5.0 SE 18.7 22 1 0.0
10 PM 45 5.5 S 17.0 26 1 0.0
11 PM 39 5.7 S 16.2 28 1 0.0
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updated on 03/31/2015 11:41 PM  I   http://www.nature.nps.gov/air/data/current/data_THRO-VC.cfm   I  Email: Webmaster