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 Monday January 23, 2017 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 26 25
1 AM 26 24
2 AM 27 24
3 AM -- 23
4 AM 27 23
5 AM 26 23
6 AM 23 22
7 AM 23 22
8 AM 22 23
9 AM 21 23
10 AM 22 23
11 AM 23 23
12 PM 25 23
1 PM 24 22
2 PM 23 22
3 PM 24 21
4 PM 24 21
5 PM 24 21
6 PM 22 21
7 PM 21 21
8 PM 20 21
9 PM 19 22
10 PM 20 22
11 PM 21 23
Weather and Ozone Data Monday January 23, 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 26 3.1 N 13.3 86 -- 0.0
1 AM 26 3.8 N 13.3 81 -- 0.0
2 AM 27 4.7 N 13.4 79 -- 0.0
3 AM -- 5.0 N 13.3 80 -- 0.0
4 AM 27 6.1 N 13.0 82 -- 0.1
5 AM 26 5.9 N 12.1 88 -- 0.5
6 AM 23 5.5 NW 11.4 88 -- 0.0
7 AM 23 6.0 NW 10.6 86 -- 0.0
8 AM 22 6.0 NW 9.3 88 3 0.0
9 AM 21 5.3 NW 8.3 91 17 0.0
10 AM 22 4.9 NW 7.8 92 40 0.0
11 AM 23 4.8 NW 7.5 92 50 0.0
12 PM 25 5.0 NW 7.5 90 69 0.0
1 PM 24 4.6 NW 7.2 88 64 0.0
2 PM 23 4.4 NW 7.0 88 64 0.0
3 PM 24 4.9 NW 6.7 87 35 0.0
4 PM 24 4.5 NW 6.5 87 20 0.0
5 PM 24 4.5 NW 6.1 87 5 0.0
6 PM 22 3.9 NW 6.0 85 -- 0.0
7 PM 21 3.4 NW 5.7 83 -- 0.0
8 PM 20 3.2 NW 5.4 83 -- 0.0
9 PM 19 3.5 NW 4.8 86 -- 0.0
10 PM 20 3.0 NW 4.6 85 -- 0.0
11 PM 21 3.6 NW 4.5 85 -- 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 01/24/2017 5:40 AM  I   http://www.nature.nps.gov/air/data/current/data_MACA-HM2.cfm   I  Email: Webmaster