National Park Service Arrowhead
Explore Air

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 Thursday July 2, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 33 27
1 AM 31 27
2 AM 26 27
3 AM 30 28
4 AM -- 29
5 AM 25 30
6 AM 23 34
7 AM 26 37
8 AM 30 38
9 AM 31 40
10 AM 34 41
11 AM 36 42
12 PM 42 42
1 PM 50 40
2 PM 47 38
3 PM 39 34
4 PM 44 32
5 PM 43 30
6 PM 38 28
7 PM 33 26
8 PM 32 --
9 PM 29 --
10 PM 19 --
11 PM 22 --
Weather and Ozone Data Thursday July 2, 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 33 1.2 S 20.9 90 0 0.0
1 AM 31 1.0 S 20.8 90 0 0.0
2 AM 26 1.3 S 20.3 93 0 0.0
3 AM 30 1.7 S 20.1 93 0 0.0
4 AM -- 1.4 S 19.9 95 0 0.0
5 AM 25 0.9 SE 19.9 94 0 0.0
6 AM 23 0.7 SW 20.0 92 1 0.0
7 AM 26 1.4 S 20.0 90 5 0.0
8 AM 30 1.4 SE 20.0 88 25 0.0
9 AM 31 1.5 S 20.5 87 141 0.0
10 AM 34 1.7 S 21.2 88 183 0.0
11 AM 36 1.6 S 22.5 87 494 0.0
12 PM 42 1.7 SW 24.3 83 597 0.0
1 PM 50 1.7 SW 26.4 75 771 0.0
2 PM 47 1.8 SW 27.5 72 685 0.0
3 PM 39 1.5 W 26.2 79 130 0.0
4 PM 44 2.2 NW 21.5 92 37 0.0
5 PM 43 1.5 S 21.5 95 36 --
6 PM 38 0.9 E 21.8 93 219 0.8
7 PM 33 1.1 SE 22.1 93 155 --
8 PM 32 1.1 SE 21.6 94 25 --
9 PM 29 0.9 SE 21.2 94 0 --
10 PM 19 0.9 NE 20.9 94 0 --
11 PM 22 1.0 SE 20.9 91 0 --
U.S. Department of the Interior Accessibility Freedom of Information Act USA.gov Search
Privacy Policy Disclaimer NPS Home Contact Us
updated on 07/02/2015 11:44 PM  I   http://nature.nps.gov/air/data/current/data_MACA-HM.cfm   I  Email: Webmaster