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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 Sunday April 23, 2017 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 54 48
1 AM 54 47
2 AM 51 46
3 AM 49 45
4 AM 47 46
5 AM 45 47
6 AM 45 48
7 AM 44 50
8 AM 43 52
9 AM 45 54
10 AM 48 56
11 AM 54 56
12 PM 54 56
1 PM 56 55
2 PM 58 53
3 PM 58 52
4 PM 59 50
5 PM 61 49
6 PM 55 47
7 PM 48 45
8 PM 46 45
9 PM 46 45
10 PM 46 43
11 PM 46 43
Weather and Ozone Data Sunday April 23, 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 54 2.0 SW 10.2 42 0 0.0
1 AM 54 1.8 SW 9.7 45 0 0.0
2 AM 51 1.8 SW 8.9 49 0 0.0
3 AM 49 1.8 SW 8.4 51 0 0.0
4 AM 47 2.2 SW 8.2 52 0 0.0
5 AM 45 2.1 W 7.8 53 0 0.0
6 AM 45 1.9 W 7.8 53 0 0.0
7 AM 44 1.3 W 7.6 54 21 0.0
8 AM 43 1.0 S 8.5 53 71 0.0
9 AM 45 1.4 W 11.0 44 249 0.0
10 AM 48 2.7 W 13.3 39 338 0.0
11 AM 54 3.8 SW 15.8 30 606 0.0
12 PM 54 3.3 SW 16.8 28 776 0.0
1 PM 56 4.0 SW 18.1 27 873 0.0
2 PM 58 3.6 SW 19.4 25 866 0.0
3 PM 58 3.1 SW 20.5 24 806 0.0
4 PM 59 3.1 S 21.2 23 696 0.0
5 PM 61 2.4 S 21.9 22 546 0.0
6 PM 55 3.8 E 20.6 30 333 0.0
7 PM 48 4.6 NE 17.6 43 157 0.0
8 PM 46 3.7 N 14.9 50 21 0.0
9 PM 46 5.4 N 13.4 54 0 0.0
10 PM 46 5.1 N 12.6 55 0 0.0
11 PM 46 4.8 N 12.5 55 0 0.0
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updated on 04/24/2017 12:44 PM  I   http://nature.nps.gov/air/data/current/data_WICA-VC2.cfm   I  Email: Webmaster