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Current Ozone and Weather Data in National Parks


Voyageurs National Park - Sullivan Bay, MN
EPA AQS Site Number: 27-137-0034


Yesterday's Data   Data Timelines   Ozone Health Advisory  


Ozone Friday July 21, 2017 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 25 24
1 AM 24 23
2 AM 24 23
3 AM 25 23
4 AM 27 22
5 AM 25 --
6 AM 24 --
7 AM 20 --
8 AM 20 --
9 AM 20 --
Weather and Ozone Data Friday July 21, 2017
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 25 1.4 NW 17.5 75 1 0.0
1 AM 24 1.2 W 17.6 76 1 0.0
2 AM 24 1.0 SW 17.0 78 1 0.0
3 AM 25 1.0 SE 16.6 73 1 0.0
4 AM 27 1.1 E 17.0 72 1 0.0
5 AM 25 1.4 SE 17.9 71 1 0.0
6 AM 24 1.3 SE 17.3 74 4 0.0
7 AM 20 1.8 SE 17.9 77 53 0.0
8 AM 20 1.9 SE 19.4 74 129 0.0
9 AM 20 1.6 SE 24.9 63 381 0.0
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updated on 07/21/2017 8:41 AM  I   http://www.nature.nps.gov/air/data/current/data_voya-sb.cfm   I  Email: Webmaster