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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 27, 2017 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 48 43
1 AM 48 42
2 AM 48 41
3 AM 47 39
4 AM -- 37
5 AM 42 36
6 AM 38 34
7 AM 36 33
8 AM 35 32
9 AM 41 32
10 AM 38 31
11 AM 30 30
12 PM 28 31
1 PM 29 31
2 PM 30 30
3 PM 31 29
4 PM 31 27
5 PM 34 25
6 PM 34 21
7 PM 33 19
8 PM 27 16
9 PM 25 15
10 PM 22 14
11 PM 17 13
Weather and Ozone Data Thursday April 27, 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 48 2.2 S 20.4 71 -- 0.0
1 AM 48 3.4 S 21.5 67 -- 0.0
2 AM 48 4.2 SW 21.3 67 -- 0.0
3 AM 47 1.9 W 17.0 85 -- 2.4
4 AM -- 2.8 SE 15.6 94 -- 3.7
5 AM 42 1.9 SE 16.1 94 -- 0.1
6 AM 38 1.2 S 16.1 95 -- 0.0
7 AM 36 1.4 S 16.2 95 5 1.1
8 AM 35 1.9 S 16.7 95 69 0.0
9 AM 41 2.5 SW 17.9 90 268 0.0
10 AM 38 2.8 SW 18.5 82 340 0.0
11 AM 30 3.0 SW 17.7 77 280 0.0
12 PM 28 3.4 SW 17.9 74 614 0.0
1 PM 29 3.2 SW 17.4 73 654 0.0
2 PM 30 2.6 SW 18.0 71 693 0.0
3 PM 31 3.0 W 17.5 69 475 0.0
4 PM 31 2.6 W 17.6 68 454 0.0
5 PM 34 2.4 W 18.0 63 504 0.0
6 PM 34 1.9 W 17.8 63 305 0.0
7 PM 33 1.3 W 17.2 65 142 0.0
8 PM 27 0.5 S 14.5 81 9 0.0
9 PM 25 0.5 SW 12.8 89 -- 0.0
10 PM 22 0.7 E 11.5 94 -- 0.0
11 PM 17 0.5 NE 10.8 94 -- 0.0
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updated on 04/28/2017 1:41 PM  I   http://nature.nps.gov/air/data/current/data_MACA-HM2.cfm   I  Email: Webmaster