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 July 1, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 26 22
1 AM 24 20
2 AM 22 19
3 AM 21 19
4 AM -- 19
5 AM 22 20
6 AM 20 21
7 AM 19 24
8 AM 16 27
9 AM 17 31
10 AM 20 35
11 AM 22 38
12 PM 24 42
1 PM 32 44
2 PM 43 46
3 PM 44 45
4 PM 47 44
5 PM 51 42
6 PM 48 40
7 PM 48 37
8 PM 45 36
9 PM 42 34
10 PM 39 --
11 PM 36 --
Weather and Ozone Data Wednesday July 1, 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 26 1.0 S 22.0 87 0 0.0
1 AM 24 1.1 S 21.4 90 0 0.0
2 AM 22 1.2 S 21.4 92 0 0.0
3 AM 21 1.2 S 21.3 94 0 0.0
4 AM -- 1.0 S 21.1 94 0 0.0
5 AM 22 1.0 S 21.0 94 0 0.0
6 AM 20 1.0 S 20.9 93 4 0.0
7 AM 19 1.0 SW 21.3 92 39 0.0
8 AM 16 1.0 S 21.9 91 111 0.0
9 AM 17 1.1 SW 22.9 91 200 0.0
10 AM 20 1.2 SW 23.5 90 155 0.0
11 AM 22 1.3 SW 23.2 92 80 0.0
12 PM 24 1.3 SW 23.5 91 172 0.0
1 PM 32 1.9 SW 24.7 84 268 0.0
2 PM 43 2.3 W 25.3 73 311 0.0
3 PM 44 1.7 SW 25.5 73 277 0.0
4 PM 47 1.4 SW 25.9 70 482 0.0
5 PM 51 1.4 SW 26.4 65 392 0.0
6 PM 48 1.6 W 25.7 70 211 0.0
7 PM 48 1.5 SW 25.2 72 117 0.0
8 PM 45 1.6 SW 24.5 76 43 0.0
9 PM 42 1.8 SW 23.5 82 1 0.0
10 PM 39 1.5 SW 22.4 86 0 0.0
11 PM 36 1.3 S 21.7 87 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 07/02/2015 1:54 AM  I   http://www.nature.nps.gov/air/data/current/data_MACA-HM2.cfm   I  Email: Webmaster