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 Saturday April 19, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 50 --
1 AM 52 --
2 AM 50 --
3 AM 44 --
Weather and Ozone Data Saturday April 19, 2014
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 50 5.9 W 5.3 79 1 0.0
1 AM 52 6.0 W 6.5 66 1 0.0
2 AM 50 8.6 W 6.6 60 1 0.0
3 AM 44 7.1 W 5.3 64 1 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 04/19/2014 3:42 AM  I   http://nature.nps.gov/air/data/current/data_THRO-VC.cfm   I  Email: Webmaster