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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 Monday May 25, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 46 40
1 AM 44 38
2 AM 43 36
3 AM 42 34
4 AM -- 33
5 AM 38 33
6 AM 36 32
7 AM 34 31
8 AM 29 31
9 AM 30 30
10 AM 32 30
11 AM 33 30
12 PM 34 29
1 PM 32 28
2 PM 29 28
3 PM 29 27
4 PM 27 27
5 PM 28 26
6 PM 28 26
7 PM 29 25
8 PM 27 --
9 PM 28 --
10 PM 26 --
11 PM 23 --
Weather and Ozone Data Monday May 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 46 2.4 S 23.9 61 0 0.0
1 AM 44 1.5 SE 22.9 65 0 0.0
2 AM 43 1.9 SE 22.7 65 0 0.0
3 AM 42 2.0 S 22.5 64 0 0.0
4 AM -- 2.2 S 22.6 63 0 0.0
5 AM 38 1.4 S 21.3 71 0 0.1
6 AM 36 0.8 SE 20.1 78 3 0.1
7 AM 34 1.2 SW 20.7 75 22 0.0
8 AM 29 1.1 SW 19.6 88 68 0.2
9 AM 30 1.6 S 19.1 92 55 1.3
10 AM 32 1.8 S 19.0 92 143 0.4
11 AM 33 2.2 S 20.0 90 235 0.3
12 PM 34 2.3 S 20.4 88 267 0.2
1 PM 32 1.6 S 20.5 89 188 0.6
2 PM 29 1.3 SE 20.3 92 200 0.8
3 PM 29 1.4 SE 20.2 93 153 0.3
4 PM 27 1.3 SE 20.3 93 111 0.2
5 PM 28 1.8 S 21.0 91 137 0.0
6 PM 28 2.1 S 21.7 89 103 0.0
7 PM 29 2.0 S 21.3 88 66 0.0
8 PM 27 1.5 S 20.7 89 19 0.0
9 PM 28 1.6 S 20.1 90 0 0.0
10 PM 26 1.4 S 19.6 91 0 0.0
11 PM 23 1.2 S 19.2 93 0 0.0
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updated on 05/26/2015 12:40 AM  I   http://www.nature.nps.gov/air/data/current/data_MACA-HM2.cfm   I  Email: Webmaster