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Current Ozone and Weather Data in National Parks


Wind Cave NP - Visitor Center, SD
EPA AQS Site Number: 46-033-0132


Today's Data   Data Timelines   Ozone Health Advisory  
Ozone Wednesday May 23, 2012 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 44 47
1 AM 41 47
2 AM 44 47
3 AM 40 48
4 AM 44 49
5 AM 60 50
6 AM 55 49
7 AM 53 49
8 AM 44 48
9 AM 41 49
10 AM 50 50
11 AM 51 50
12 PM 50 50
1 PM 52 50
2 PM 53 49
3 PM 49 48
4 PM 48 47
5 PM 50 47
6 PM 50 46
7 PM 51 46
8 PM 48 45
9 PM 44 45
10 PM 46 --
11 PM 46 --
Weather and Ozone Data Wednesday May 23, 2012
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 44 2.0 E 18.8 42 0 0.0
1 AM 41 1.6 NE 16.5 53 0 0.0
2 AM 44 2.3 NE 15.6 54 0 0.0
3 AM 40 1.6 SW 14.7 58 0 0.0
4 AM 44 1.8 S 14.7 55 0 0.0
5 AM 60 2.1 NW 15.6 41 0 0.0
6 AM 55 1.5 W 15.1 44 1 0.0
7 AM 53 1.6 NE 14.2 48 9 0.0
8 AM 44 0.7 SE 12.7 58 20 0.0
9 AM 41 1.6 N 12.4 63 52 0.0
10 AM 50 4.0 NE 12.2 54 101 0.0
11 AM 51 4.2 NE 12.3 54 194 0.0
12 PM 50 4.7 E 13.1 54 403 0.0
1 PM 52 4.7 E 13.5 50 503 0.0
2 PM 53 4.1 E 12.8 53 317 0.2
3 PM 49 4.2 N 10.1 73 120 3.2
4 PM 48 6.3 NE 10.5 72 587 0.0
5 PM 50 5.9 NE 11.8 62 575 0.0
6 PM 50 5.6 NE 12.4 58 423 0.0
7 PM 51 5.0 NE 12.3 55 212 0.0
8 PM 48 3.1 NE 11.6 57 36 0.0
9 PM 44 1.8 N 10.5 63 3 0.0
10 PM 46 2.2 NW 10.5 61 0 0.0
11 PM 46 2.0 NW 10.9 60 0 0.0
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updated on 05/24/2012 3:40 AM  I   http://www.nature.nps.gov/air/data/current/data_WICA2.cfm   I  Email: Webmaster