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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 Saturday April 25, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 45 42
1 AM 45 40
2 AM 44 39
3 AM 44 39
4 AM 44 40
5 AM 45 40
6 AM 38 39
7 AM 33 39
8 AM 32 39
9 AM 37 39
10 AM 45 38
11 AM 47 36
12 PM 46 33
1 PM 38 31
2 PM 36 30
3 PM 36 29
4 PM 31 28
5 PM 28 29
6 PM 27 29
7 PM 27 30
8 PM 28 30
9 PM 29 29
10 PM 31 29
11 PM -- 28
Weather and Ozone Data Saturday April 25, 2015
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 45 3.0 NW 9.7 72 0 0.0
1 AM 45 2.9 N 9.9 66 0 0.0
2 AM 44 2.9 NW 9.7 66 0 0.0
3 AM 44 3.0 NW 9.3 68 0 0.0
4 AM 44 2.4 NW 8.4 74 0 0.0
5 AM 45 2.8 NW 8.5 75 0 0.0
6 AM 38 1.7 NW 6.5 83 1 0.0
7 AM 33 1.1 NW 5.6 87 60 0.0
8 AM 32 1.4 E 6.8 83 235 0.0
9 AM 37 1.6 N 9.4 75 411 0.0
10 AM 45 1.6 SE 12.2 68 575 0.0
11 AM 47 2.4 SE 13.3 61 716 0.0
12 PM 46 3.4 E 14.0 61 762 0.0
1 PM 38 4.4 E 13.0 69 800 0.0
2 PM 36 3.4 E 10.8 79 498 0.0
3 PM 36 2.1 E 9.9 83 114 0.0
4 PM 31 1.3 NE 9.2 92 72 0.4
5 PM 28 1.8 E 8.6 95 47 0.0
6 PM 27 2.5 NE 8.3 95 33 0.0
7 PM 27 4.2 N 8.9 93 77 0.0
8 PM 28 5.4 N 9.2 89 21 0.0
9 PM 29 4.8 N 8.8 91 0 0.0
10 PM 31 4.9 N 8.9 88 0 0.0
11 PM -- 3.5 N 8.9 87 0 0.0
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updated on 04/26/2015 10:44 AM  I   http://www2.nature.nps.gov/air/data/current/data_WICA-VC2.cfm   I  Email: Webmaster