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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 Friday May 22, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 47 42
1 AM 47 42
2 AM 50 41
3 AM 49 --
4 AM 42 --
5 AM 43 --
6 AM 27 --
7 AM 37 --
Weather and Ozone Data Friday May 22, 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 47 4.1 S 10.3 51 0 0.0
1 AM 47 4.2 S 9.7 52 0 0.0
2 AM 50 4.3 S 9.4 50 0 0.0
3 AM 49 3.8 S 9.1 49 0 0.0
4 AM 42 3.8 S 8.7 48 0 0.0
5 AM 43 5.1 SE 7.6 55 0 0.0
6 AM 27 5.1 SE 7.3 58 24 0.0
7 AM 37 4.5 SE 9.9 53 162 0.0
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updated on 05/22/2015 7:41 AM  I   http://nature.nps.gov/air/data/current/data_THRO-VC.cfm   I  Email: Webmaster