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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


Today's Data   Data Timelines   Ozone Health Advisory  
Ozone Tuesday May 21, 2013 
Hour Ending
(Local Time)		 1-Hour Average
(parts per billion)		 8-Hour Average
(parts per billion)
12 AM 34 43
1 AM 39 44
2 AM 49 44
3 AM 48 42
4 AM 46 41
5 AM 45 40
6 AM 45 39
7 AM 43 39
8 AM 40 38
9 AM 38 39
10 AM 37 39
11 AM 36 41
12 PM 39 41
1 PM 40 42
2 PM 40 42
3 PM 40 42
4 PM 42 43
5 PM 45 43
6 PM 46 43
7 PM 43 42
8 PM 42 41
9 PM 42 40
10 PM 41 39
11 PM 44 38
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Weather and Ozone Data Tuesday May 21, 2013
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 34 6.9 N 9.6 94 1 0.3
1 AM 39 7.0 N 8.3 85 1 0.0
2 AM 49 7.9 N 7.1 93 1 0.3
3 AM 48 7.6 N 6.4 94 1 0.1
4 AM 46 8.3 N 6.3 94 1 0.0
5 AM 45 9.1 N 6.0 94 1 0.0
6 AM 45 8.9 N 6.0 94 3 0.0
7 AM 43 8.1 N 6.2 95 19 0.2
8 AM 40 7.4 N 6.4 95 44 0.0
9 AM 38 6.2 N 6.6 95 98 0.1
10 AM 37 6.5 N 6.4 90 124 0.0
11 AM 36 6.4 N 6.3 89 124 0.0
12 PM 39 5.2 N 6.4 94 185 0.0
1 PM 40 5.7 N 6.9 93 193 0.1
2 PM 40 4.9 N 7.1 94 163 0.0
3 PM 40 4.1 N 7.9 95 108 0.0
4 PM 42 4.4 N 8.8 95 96 0.0
5 PM 45 5.4 N 9.0 94 91 0.0
6 PM 46 5.6 N 8.9 94 82 0.0
7 PM 43 6.6 NE 9.0 94 44 0.1
8 PM 42 5.7 NE 8.9 94 19 0.0
9 PM 42 3.8 NE 8.6 94 2 0.0
10 PM 41 5.1 NE 8.8 94 1 0.0
11 PM 44 8.5 E 8.8 91 1 0.0
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updated on 05/22/2013 12:42 PM  I   http://www2.nature.nps.gov/air/data/current/data_THRO-VC2.cfm   I  Email: Webmaster