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 Sunday March 29, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 38 39
1 AM 40 39
2 AM 42 39
3 AM 41 39
4 AM -- 39
5 AM 40 40
6 AM 39 41
7 AM 38 43
8 AM 36 44
9 AM 37 46
10 AM 42 48
11 AM 46 49
12 PM 47 49
1 PM 49 49
2 PM 50 49
3 PM 50 48
4 PM 51 47
5 PM 51 46
6 PM 49 44
7 PM 49 42
8 PM 47 41
9 PM 45 40
10 PM 44 38
11 PM 43 37
Weather and Ozone Data Sunday March 29, 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 38 0.7 E -0.1 48 0 0.0
1 AM 40 0.8 E 0.0 48 0 0.0
2 AM 42 0.8 E -0.1 48 0 0.0
3 AM 41 0.8 E -0.3 49 0 0.0
4 AM -- 1.3 E -0.3 49 0 0.0
5 AM 40 1.3 E -0.7 50 0 0.0
6 AM 39 1.7 SE -0.9 52 0 0.0
7 AM 38 2.2 SE -1.0 53 4 0.0
8 AM 36 2.4 SE -0.8 55 86 0.0
9 AM 37 2.7 SE 0.9 53 368 0.0
10 AM 42 3.3 S 3.6 45 558 0.0
11 AM 46 3.7 SE 5.9 34 765 0.0
12 PM 47 3.6 S 8.2 30 883 0.0
1 PM 49 3.2 S 10.5 24 947 0.0
2 PM 50 3.6 S 12.1 22 931 0.0
3 PM 50 3.8 S 13.5 22 841 0.0
4 PM 51 3.8 S 14.6 24 636 0.0
5 PM 51 4.5 S 15.3 28 436 0.0
6 PM 49 4.1 S 15.4 32 235 0.0
7 PM 49 4.2 S 14.8 37 57 0.0
8 PM 47 2.7 S 13.8 42 0 0.0
9 PM 45 2.5 SW 13.0 46 0 0.0
10 PM 44 3.1 S 12.5 51 0 0.0
11 PM 43 2.6 S 12.3 56 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 03/30/2015 5:41 PM  I   http://www2.nature.nps.gov/air/data/current/data_MACA-HM2.cfm   I  Email: Webmaster