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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 Thursday May 28, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 32 27
1 AM 31 27
2 AM 29 27
3 AM 30 28
4 AM 24 30
5 AM 24 31
6 AM 22 32
7 AM 28 --
8 AM 28 --
9 AM 32 --
10 AM 38 --
11 AM 47 --
Weather and Ozone Data Thursday May 28, 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 32 3.7 SW 13.3 94 0 0.0
1 AM 31 4.3 SW 13.0 95 0 0.0
2 AM 29 4.6 S 12.6 95 0 0.0
3 AM 30 5.3 S 13.0 95 0 0.0
4 AM 24 3.9 S 12.3 95 0 0.0
5 AM 24 3.9 S 12.3 95 1 0.0
6 AM 22 3.4 S 12.5 95 18 0.0
7 AM 28 2.9 W 13.8 95 102 0.0
8 AM 28 2.3 W 14.4 91 318 0.0
9 AM 32 2.0 W 16.1 82 469 0.1
10 AM 38 2.7 W 18.0 75 610 0.0
11 AM 47 3.2 W 19.6 63 618 0.0
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updated on 05/28/2015 11:47 AM  I   http://www2.nature.nps.gov/air/data/current/data_THRO-VC.cfm   I  Email: Webmaster