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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 May 21, 2013 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 34 43
1 AM 39 45
2 AM 49 --
3 AM 48 --
4 AM 46 --
5 AM 45 --
6 AM 45 --
Weather and Ozone Data Tuesday May 21, 2013
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 34 6.9 N 9.6 94 1 0.3
1 AM 39 7.0 N 8.3 85 1 0.0
2 AM 49 7.9 N 7.1 93 1 0.3
3 AM 48 7.6 N 6.4 94 1 0.1
4 AM 46 8.3 N 6.3 94 1 0.0
5 AM 45 9.1 N 6.0 94 1 0.0
6 AM 45 8.9 N 6.0 94 3 0.0
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updated on 05/21/2013 6:40 AM  I   http://www2.nature.nps.gov/air/data/current/data_THRO-VC.cfm   I  Email: Webmaster