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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 July 25, 2017 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 42 34
1 AM 38 33
2 AM 37 33
3 AM 36 32
4 AM 32 32
5 AM 32 --
6 AM 32 --
7 AM 30 --
8 AM 32 --
9 AM 35 --
Weather and Ozone Data Tuesday July 25, 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 42 4.8 SW 23.9 47 0 0.0
1 AM 38 4.3 SW 22.4 51 0 0.0
2 AM 37 3.1 SW 21.6 51 0 0.0
3 AM 36 2.7 SW 20.6 54 0 0.0
4 AM 32 3.7 S 19.4 55 0 0.0
5 AM 32 4.5 SW 18.8 53 0 0.0
6 AM 32 5.4 SW 18.3 53 7 0.0
7 AM 30 4.1 SW 18.3 54 108 0.0
8 AM 32 4.0 SW 20.1 45 265 0.0
9 AM 35 5.2 SW 22.5 31 413 0.0
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updated on 07/25/2017 9:43 AM  I   http://www.nature.nps.gov/air/data/current/data_THRO-VC.cfm   I  Email: Webmaster