National Park Service Arrowhead
Explore Air

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 Sunday December 4, 2016 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 31 29
1 AM 31 28
2 AM 29 28
3 AM 30 28
4 AM 29 --
5 AM 28 --
6 AM 27 --
7 AM 27 --
8 AM 27 --
Weather and Ozone Data Sunday December 4, 2016
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 31 5.6 W -0.6 83 -- 0.0
1 AM 31 4.6 W -1.3 84 -- 0.0
2 AM 29 6.0 W -1.6 81 -- 0.0
3 AM 30 8.1 W -1.4 77 -- 0.0
4 AM 29 7.5 W -2.2 77 0 0.0
5 AM 28 6.5 W -2.6 77 -- 0.0
6 AM 27 6.4 W -2.9 77 -- 0.0
7 AM 27 5.1 SW -4.2 78 -- 0.0
8 AM 27 4.6 SW -5.5 79 16 0.0
U.S. Department of the Interior Accessibility Freedom of Information Act USA.gov Search
Privacy Policy Disclaimer NPS Home Contact Us
updated on 12/05/2016 9:43 AM  I   http://nature.nps.gov/air/data/current/data_THRO-VC.cfm   I  Email: Webmaster