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Current Ozone and Weather Data in National Parks


Yellowstone National Park - Water Tower, WY
EPA AQS Site Number: 56-039-1011


Yesterday's Data   Data Timelines   Ozone Health Advisory  


Ozone Tuesday June 18, 2013 
Hour Ending
(Local Time)		 1-Hour Average
(parts per billion)		 8-Hour Average
(parts per billion)
12 AM 58 50
1 AM 53 49
2 AM 50 49
3 AM 49 49
4 AM 49 50
5 AM 48 51
6 AM 49 53
7 AM 47 55
8 AM 51 57
9 AM 53 59
10 AM -- 60
11 AM 57 60
12 PM 58 60
1 PM 60 60
2 PM 63 60
3 PM 63 58
4 PM 62 58
5 PM 61 57
6 PM 61 --
7 PM 59 --
8 PM 58 --
9 PM 54 --
10 PM 52 --
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Weather and Ozone Data Tuesday June 18, 2013
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 58 1.2 NW 12.7 28 1 0.0
1 AM 53 1.1 W 12.1 35 1 0.0
2 AM 50 1.1 W 11.6 42 1 0.0
3 AM 49 1.1 W 11.0 45 1 0.0
4 AM 49 1.0 NW 10.6 46 1 0.0
5 AM 48 1.0 NW 9.9 49 1 0.0
6 AM 49 1.0 NW 9.4 51 5 0.0
7 AM 47 1.0 W 9.6 53 23 0.0
8 AM 51 1.1 S 12.6 45 220 0.0
9 AM 53 1.7 S 14.1 41 446 0.0
10 AM -- -- -- -- -- -- --
11 AM 57 2.2 S 18.3 30 776 --
12 PM 58 2.5 SE 19.7 27 882 0.0
1 PM 60 2.7 SE 21.3 23 986 0.0
2 PM 63 2.5 SE 21.2 19 724 0.0
3 PM 63 2.7 S 20.3 20 656 0.0
4 PM 62 2.8 S 18.7 28 572 0.0
5 PM 61 3.5 S 18.0 29 378 0.0
6 PM 61 2.1 S 15.2 38 102 0.0
7 PM 59 1.2 SW 15.7 35 115 0.0
8 PM 58 1.2 W 15.7 33 92 0.0
9 PM 54 1.1 NW 14.3 37 39 0.0
10 PM 52 1.3 NW 13.0 42 2 0.0
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updated on 06/18/2013 11:40 PM  I   http://www2.nature.nps.gov/air/data/current/data_YELL-WT.cfm   I  Email: Webmaster