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 Tuesday July 28, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 21 13
1 AM 20 13
2 AM 15 14
3 AM 14 17
4 AM -- 21
5 AM 9 24
6 AM 8 29
7 AM 10 34
8 AM 17 38
9 AM 26 41
10 AM 35 41
11 AM 43 41
12 PM 46 40
1 PM 50 37
2 PM 47 33
3 PM 45 29
4 PM 37 26
5 PM 32 23
6 PM 31 22
7 PM 33 21
8 PM 25 --
9 PM 17 --
10 PM 16 --
11 PM 18 --
Weather and Ozone Data Tuesday July 28, 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 21 0.6 SE 24.0 92 0 0.0
1 AM 20 1.1 SE 23.8 93 0 0.0
2 AM 15 0.8 SE 23.5 94 0 0.0
3 AM 14 0.9 SE 23.2 94 0 0.0
4 AM -- 0.6 SE 23.0 95 0 0.0
5 AM 9 0.9 E 22.8 95 0 0.0
6 AM 8 0.7 E 22.7 95 1 0.0
7 AM 10 0.7 SE 23.0 94 32 0.0
8 AM 17 0.8 S 25.0 89 175 0.0
9 AM 26 0.8 S 26.6 82 261 0.0
10 AM 35 1.0 S 28.3 76 570 0.0
11 AM 43 1.4 SW 29.7 71 658 0.0
12 PM 46 1.5 SW 30.3 71 632 0.0
1 PM 50 1.6 SW 30.7 71 698 0.0
2 PM 47 1.5 S 30.4 74 483 0.0
3 PM 45 2.1 SW 28.4 78 217 0.0
4 PM 37 1.7 SW 24.5 91 156 1.1
5 PM 32 1.1 S 25.4 86 225 0.0
6 PM 31 1.5 S 26.4 83 355 0.0
7 PM 33 0.9 SW 26.0 83 118 0.0
8 PM 25 0.6 S 24.8 90 9 0.0
9 PM 17 0.9 SE 23.9 95 0 0.0
10 PM 16 1.0 SW 23.8 94 0 0.0
11 PM 18 0.9 W 23.7 94 0 0.0
U.S. Department of the Interior Accessibility Freedom of Information Act USA.gov Search
Privacy Policy Disclaimer NPS Home Contact Us
updated on 07/28/2015 11:55 PM  I   http://nature.nps.gov/air/data/current/data_MACA-HM.cfm   I  Email: Webmaster