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Current Ozone and Weather Data in National Parks


Mammoth Cave NP - Houchin Meadows, KY
EPA AQS Site Number: 21-061-0501


Today's Data   Data Timelines   Ozone Health Advisory  
Ozone Thursday April 23, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 44 35
1 AM 40 32
2 AM 39 31
3 AM 40 30
4 AM -- --
5 AM 30 --
6 AM 31 --
7 AM 25 --
8 AM 22 --
9 AM 32 --
10 AM -- --
11 AM -- --
12 PM -- 54
1 PM -- 54
2 PM 51 54
3 PM 52 54
4 PM 55 53
5 PM 55 52
6 PM 55 51
7 PM 56 50
8 PM 55 49
9 PM 53 48
10 PM 51 46
11 PM 48 45
Weather and Ozone Data Thursday April 23, 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 44 1.4 NW 8.2 51 0 0.0
1 AM 40 1.8 N 7.3 57 0 0.0
2 AM 39 0.6 NW 5.9 63 0 0.0
3 AM 40 0.5 SE 5.0 65 0 0.0
4 AM -- 0.6 SE 3.9 72 0 0.0
5 AM 30 0.7 SE 4.0 71 0 0.0
6 AM 31 0.6 SE 3.7 73 0 0.0
7 AM 25 0.7 SE 4.0 75 26 0.0
8 AM 22 1.2 S 5.8 74 172 0.0
9 AM 32 1.9 W 9.1 58 466 0.0
10 AM -- 2.3 NW 11.1 39 679 0.0
11 AM -- 3.3 W 12.3 31 847 0.0
12 PM -- 3.6 NW 13.3 28 956 0.0
1 PM -- 3.6 NW 14.1 28 1011 0.0
2 PM 51 3.5 W 14.8 27 997 0.0
3 PM 52 3.5 W 15.6 26 917 0.0
4 PM 55 3.5 NW 15.9 26 776 0.0
5 PM 55 3.1 W 16.1 26 586 0.0
6 PM 55 3.1 NW 15.9 26 367 0.0
7 PM 56 3.4 NW 15.0 26 131 0.0
8 PM 55 2.2 NW 13.6 29 6 0.0
9 PM 53 0.9 NW 11.8 32 0 0.0
10 PM 51 0.6 N 10.1 38 0 0.0
11 PM 48 0.6 NE 8.9 43 0 0.0
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updated on 04/24/2015 5:44 PM  I   http://www.nature.nps.gov/air/data/current/data_MACA-HM2.cfm   I  Email: Webmaster