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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 Friday April 28, 2017 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 43 40
1 AM 44 39
2 AM 41 39
3 AM 39 40
4 AM 38 42
5 AM 38 44
6 AM 38 45
7 AM 39 46
8 AM 39 --
9 AM 44 --
10 AM 49 --
11 AM 53 --
12 PM 55 --
Weather and Ozone Data Friday April 28, 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 43 5.5 E 3.8 40 -- 0.0
1 AM 44 5.7 E 3.1 42 -- 0.0
2 AM 41 5.0 E 1.9 46 -- 0.0
3 AM 39 5.1 SE 1.0 51 -- 0.0
4 AM 38 5.4 E -0.1 56 -- 0.0
5 AM 38 5.7 SE -0.7 62 -- 0.0
6 AM 38 4.8 SE -1.1 70 4 0.0
7 AM 39 5.1 SE -0.1 74 98 0.0
8 AM 39 4.6 SE 2.3 67 266 0.0
9 AM 44 3.9 SE 5.2 58 441 0.0
10 AM 49 3.0 E 6.6 47 608 0.0
11 AM 53 2.9 E 7.7 39 742 0.0
12 PM 55 3.2 E 8.9 32 828 0.0
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updated on 04/28/2017 1:41 PM  I   http://nature.nps.gov/air/data/current/data_THRO-VC.cfm   I  Email: Webmaster