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


Today's Data   Data Timelines   Ozone Health Advisory  
Ozone Wednesday April 16, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 42 31
1 AM 42 30
2 AM 35 29
3 AM 29 30
4 AM -- 32
5 AM 23 33
6 AM 23 36
7 AM 24 40
8 AM 35 43
9 AM 37 46
10 AM 41 48
11 AM 43 49
12 PM 45 50
1 PM 47 51
2 PM 51 51
3 PM 52 50
4 PM 53 50
5 PM 54 49
6 PM 53 48
7 PM 50 46
8 PM 49 45
9 PM 48 45
10 PM 48 44
11 PM 48 43
Weather and Ozone Data Wednesday April 16, 2014
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 42 0.8 N 1.0 56 0 0.0
1 AM 42 0.8 NE 0.6 56 0 0.0
2 AM 35 0.9 NE -0.3 65 0 0.0
3 AM 29 0.4 N -1.3 74 0 0.0
4 AM -- 0.6 E -1.5 78 0 0.0
5 AM 23 0.8 NE -1.7 77 0 0.0
6 AM 23 0.8 SE -1.7 77 0 0.0
7 AM 24 1.2 NE -1.4 74 16 0.0
8 AM 35 2.3 E 0.9 59 163 0.0
9 AM 37 2.3 E 2.6 52 462 0.0
10 AM 41 2.8 E 4.2 45 668 0.0
11 AM 43 3.1 E 5.4 41 800 0.0
12 PM 45 2.7 E 7.0 37 930 0.0
1 PM 47 2.9 SE 8.5 34 999 0.0
2 PM 51 2.3 E 9.9 31 964 0.0
3 PM 52 2.5 E 11.2 29 905 0.0
4 PM 53 2.4 E 12.2 29 747 0.0
5 PM 54 2.2 E 12.8 28 543 0.0
6 PM 53 1.9 E 13.2 28 314 0.0
7 PM 50 1.3 E 12.4 31 73 0.0
8 PM 49 0.6 E 10.8 36 3 0.0
9 PM 48 0.5 NE 9.8 39 0 0.0
10 PM 48 0.6 NE 9.3 40 0 0.0
11 PM 48 0.6 NE 8.7 41 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 04/17/2014 8:44 PM  I   http://nature.nps.gov/air/data/current/data_MACA-HM2.cfm   I  Email: Webmaster