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 February 5, 2016 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 28 26
1 AM 28 25
2 AM 27 24
3 AM 26 24
4 AM 25 24
5 AM 25 25
6 AM 25 26
7 AM 25 27
8 AM 21 28
9 AM 21 30
10 AM 24 31
11 AM 30 32
12 PM 32 32
1 PM 34 32
2 PM 35 32
3 PM 34 31
4 PM 33 31
5 PM 32 31
6 PM 31 31
7 PM 31 31
8 PM 31 31
9 PM 31 31
10 PM 32 31
11 PM 31 32
Weather and Ozone Data Friday February 5, 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 28 4.7 SW -0.1 92 0 0.0
1 AM 28 4.9 W 0.2 92 0 0.0
2 AM 27 3.9 NW 0.4 93 0 0.1
3 AM 26 4.0 NW 0.0 93 0 0.0
4 AM 25 4.9 NW -0.7 93 0 0.0
5 AM 25 5.0 NW -1.3 93 0 0.0
6 AM 25 4.4 NW -2.4 92 0 0.0
7 AM 25 4.5 W -3.5 91 0 0.0
8 AM 21 3.8 W -4.8 92 14 0.0
9 AM 21 4.3 W -4.7 92 134 0.0
10 AM 24 5.2 W -2.9 80 324 0.0
11 AM 30 6.0 W -1.1 75 423 0.0
12 PM 32 5.4 W 0.8 69 477 0.0
1 PM 34 4.6 W 2.5 57 445 0.0
2 PM 35 5.0 W 4.0 49 421 0.0
3 PM 34 5.7 W 4.5 48 315 0.0
4 PM 33 5.7 W 4.7 49 197 0.0
5 PM 32 5.3 SW 3.9 52 55 0.0
6 PM 31 5.4 SW 2.4 56 1 0.0
7 PM 31 5.7 SW 1.7 59 0 0.0
8 PM 31 6.3 SW 0.9 62 0 0.0
9 PM 31 7.0 SW 1.1 60 0 0.0
10 PM 32 7.8 SW 1.1 59 0 0.0
11 PM 31 8.4 SW 1.2 59 0 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 02/06/2016 3:40 PM  I   http://www.nature.nps.gov/air/data/current/data_THRO-VC2.cfm   I  Email: Webmaster