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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 October 30, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 23 16
1 AM 21 14
2 AM 19 13
3 AM 16 12
4 AM 14 12
5 AM 13 --
6 AM 13 --
7 AM 12 --
8 AM 11 --
9 AM 11 --
Weather and Ozone Data Thursday October 30, 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 23 4.7 NW 5.6 75 1 0.0
1 AM 21 4.3 NW 4.4 81 1 0.0
2 AM 19 3.9 NW 3.5 85 1 0.0
3 AM 16 4.0 NW 2.5 89 1 0.0
4 AM 14 5.1 NW 1.7 91 1 0.0
5 AM 13 6.4 NW 1.1 92 1 0.0
6 AM 13 6.4 N 0.9 92 1 0.0
7 AM 12 5.3 N 0.9 93 1 0.0
8 AM 11 4.4 N 1.0 93 3 0.0
9 AM 11 3.7 N 1.2 93 15 0.0
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updated on 10/30/2014 9:40 AM  I   http://www.nature.nps.gov/air/data/current/data_THRO-VC.cfm   I  Email: Webmaster