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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 Friday April 28, 2017 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 8 13
1 AM 9 14
2 AM 13 16
3 AM 14 18
4 AM -- 20
5 AM 15 22
6 AM 16 25
7 AM 16 29
8 AM 18 32
9 AM 24 35
10 AM 23 37
11 AM 32 38
12 PM 37 39
1 PM 40 38
2 PM 44 37
3 PM 43 36
4 PM 40 34
5 PM 38 33
6 PM 36 32
7 PM 34 31
8 PM 33 30
9 PM 32 30
10 PM 33 29
11 PM 32 27
Weather and Ozone Data Friday April 28, 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 8 0.6 NE 10.0 94 -- 0.0
1 AM 9 0.7 NE 9.5 94 -- 0.0
2 AM 13 0.9 E 9.2 94 -- 0.0
3 AM 14 0.6 E 9.2 94 -- 0.0
4 AM -- 0.8 E 9.8 94 -- 0.0
5 AM 15 0.7 NE 10.3 94 -- 0.0
6 AM 16 0.7 NE 10.2 94 -- 0.0
7 AM 16 0.8 NE 10.6 94 40 0.0
8 AM 18 1.2 E 12.3 92 109 0.0
9 AM 24 1.6 SE 15.3 81 227 0.0
10 AM 23 1.8 SE 16.2 81 322 0.0
11 AM 32 2.3 SE 20.5 70 722 0.0
12 PM 37 3.1 S 23.3 68 746 0.0
1 PM 40 3.3 S 24.5 70 553 0.0
2 PM 44 3.1 S 25.4 67 545 0.0
3 PM 43 3.1 S 25.1 67 381 0.0
4 PM 40 2.8 S 24.3 70 143 0.0
5 PM 38 3.0 S 24.2 72 94 0.0
6 PM 36 2.2 S 23.8 76 60 0.0
7 PM 34 1.8 S 23.6 77 36 0.0
8 PM 33 1.9 S 23.0 79 2 0.0
9 PM 32 2.2 S 22.9 80 -- 0.0
10 PM 33 2.7 S 23.6 77 -- 0.0
11 PM 32 3.4 S 23.5 77 -- 0.0
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updated on 04/30/2017 12:42 AM  I   http://www.nature.nps.gov/air/data/current/data_MACA-HM2.cfm   I  Email: Webmaster