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


Today's Data   Data Timelines   Ozone Health Advisory  
Ozone Friday December 2, 2016 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 32 30
1 AM 33 28
2 AM 32 27
3 AM 32 25
4 AM 29 24
5 AM 27 23
6 AM 28 23
7 AM 27 22
8 AM 22 21
9 AM 19 21
10 AM 20 21
11 AM 21 21
12 PM 23 21
1 PM 24 21
2 PM 23 21
3 PM 21 21
4 PM 21 22
5 PM 21 22
6 PM 20 23
7 PM 21 23
8 PM 23 24
9 PM 23 25
10 PM 23 25
11 PM 24 25
Weather and Ozone Data Friday December 2, 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 32 3.9 SE -3.6 91 -- 0.0
1 AM 33 4.1 S -4.3 92 -- 0.0
2 AM 32 4.6 S -4.8 93 -- 0.0
3 AM 32 4.2 S -4.3 92 -- 0.0
4 AM 29 3.7 S -4.1 92 0 0.0
5 AM 27 3.4 S -4.0 92 -- 0.0
6 AM 28 2.9 S -3.6 92 0 0.0
7 AM 27 3.1 S -3.5 92 0 0.0
8 AM 22 2.3 SW -3.2 92 6 0.0
9 AM 19 1.7 SW -3.2 92 47 0.0
10 AM 20 2.0 SW -3.2 91 118 0.0
11 AM 21 3.4 W -2.9 84 316 0.0
12 PM 23 2.9 SW -1.9 80 269 0.0
1 PM 24 2.9 W -1.3 79 158 0.0
2 PM 23 2.7 SW -1.1 81 90 0.0
3 PM 21 3.0 SW -0.9 85 52 0.0
4 PM 21 3.6 SW -0.6 85 15 0.0
5 PM 21 4.1 S -1.2 87 1 0.0
6 PM 20 4.1 S -2.5 91 -- 0.0
7 PM 21 5.1 S -3.6 93 0 0.0
8 PM 23 5.5 S -4.2 92 -- 0.0
9 PM 23 6.1 S -4.1 92 -- 0.0
10 PM 23 6.1 S -4.6 91 -- 0.0
11 PM 24 6.2 S -4.8 91 -- 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 12/03/2016 11:44 PM  I   http://www.nature.nps.gov/air/data/current/data_THRO-VC2.cfm   I  Email: Webmaster