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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


Yesterday's Data   Data Timelines   Ozone Health Advisory  


Ozone Friday October 20, 2017 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 39 36
1 AM 44 35
2 AM 40 33
3 AM 39 31
4 AM -- 32
5 AM 33 34
6 AM 33 36
7 AM 28 39
8 AM 32 43
9 AM 29 46
10 AM 28 50
11 AM 41 53
12 PM 50 54
1 PM 53 53
2 PM 55 52
3 PM 56 51
4 PM 60 49
5 PM 58 47
6 PM 52 46
7 PM 48 45
8 PM 46 --
9 PM 47 --
10 PM 44 --
11 PM 43 --
Weather and Ozone Data Friday October 20, 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 39 1.0 E 10.9 96 -- 0.0
1 AM 44 1.0 E 10.5 96 -- 0.0
2 AM 40 0.9 E 10.2 96 -- 0.0
3 AM 39 0.6 E 10.0 96 -- 0.0
4 AM -- 0.8 E 9.6 96 -- 0.0
5 AM 33 1.0 E 8.8 96 -- 0.0
6 AM 33 1.0 E 8.8 96 -- 0.0
7 AM 28 0.6 SE 8.3 96 -- 0.0
8 AM 32 1.0 SE 8.5 96 11 0.0
9 AM 29 0.9 SE 11.4 90 138 0.0
10 AM 28 0.8 SE 15.1 79 371 0.1
11 AM 41 0.9 SE 19.1 61 499 0.0
12 PM 50 1.0 S 21.7 51 582 0.0
1 PM 53 1.2 S 22.5 49 548 0.0
2 PM 55 1.2 SE 23.1 47 503 0.0
3 PM 56 1.1 SE 23.3 47 360 0.0
4 PM 60 1.2 E 24.0 45 357 0.0
5 PM 58 0.7 E 23.6 51 139 0.0
6 PM 52 0.5 NE 20.4 64 14 0.0
7 PM 48 0.4 NE 17.6 78 -- 0.0
8 PM 46 0.8 E 15.9 86 -- 0.0
9 PM 47 1.2 SE 15.1 88 -- 0.0
10 PM 44 1.2 E 15.9 77 -- 0.0
11 PM 43 1.0 SE 14.9 81 -- 0.0
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updated on 10/20/2017 11:44 PM  I   http://www.nature.nps.gov/air/data/current/data_MACA-HM.cfm   I  Email: Webmaster