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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 Friday August 1, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 40 38
1 AM 39 37
2 AM 38 35
3 AM 39 34
4 AM 35 34
5 AM 40 35
6 AM 40 36
7 AM 37 37
8 AM 30 38
9 AM 27 40
10 AM 29 42
11 AM 37 44
12 PM 46 45
1 PM 46 44
2 PM 46 43
3 PM 47 43
4 PM 46 42
5 PM 45 --
6 PM 43 --
7 PM 41 --
8 PM 42 --
9 PM 38 --
Weather and Ozone Data Friday August 1, 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 40 0.8 W 11.3 70 1 0.0
1 AM 39 1.1 NW 9.7 73 1 0.0
2 AM 38 1.0 NW 8.9 75 1 0.0
3 AM 39 0.8 NW 8.7 73 1 0.0
4 AM 35 1.0 W 7.4 78 1 0.0
5 AM 40 1.2 W 7.3 76 1 0.0
6 AM 40 1.0 NW 6.8 78 1 0.0
7 AM 37 0.8 NW 6.7 79 12 0.0
8 AM 30 0.7 SE 8.6 78 45 0.0
9 AM 27 1.3 SE 11.4 74 293 0.0
10 AM 29 1.3 SE 13.8 66 544 0.0
11 AM 37 1.3 S 17.4 49 699 0.0
12 PM 46 1.9 S 19.9 31 820 0.0
1 PM 46 2.2 S 21.3 28 900 0.0
2 PM 46 2.3 SE 22.1 27 888 0.0
3 PM 47 3.2 SE 20.6 35 570 0.0
4 PM 46 2.5 S 17.9 44 169 0.0
5 PM 45 1.8 E 15.7 51 64 0.0
6 PM 43 1.1 NE 14.9 55 96 0.0
7 PM 41 0.9 N 14.3 59 86 0.0
8 PM 42 0.7 N 13.9 60 35 0.0
9 PM 38 0.7 NW 13.2 63 9 0.0
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updated on 08/01/2014 9:41 PM  I   http://nature.nps.gov/air/data/current/data_YELL-WT.cfm   I  Email: Webmaster