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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 Thursday October 9, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 41 36
1 AM 40 34
2 AM 38 32
3 AM 37 32
4 AM 37 31
5 AM 34 --
6 AM 33 --
7 AM 31 --
8 AM 28 --
9 AM 24 --
Weather and Ozone Data Thursday October 9, 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 41 1.1 NW 5.2 71 1 0.0
1 AM 40 0.9 NW 4.6 72 1 0.0
2 AM 38 0.8 NW 4.0 76 1 0.0
3 AM 37 0.9 NW 3.3 78 1 0.0
4 AM 37 0.8 NW 3.0 77 1 0.0
5 AM 34 0.7 N 2.0 82 1 0.0
6 AM 33 0.7 NW 1.5 86 1 0.0
7 AM 31 0.6 NW 1.4 88 1 0.0
8 AM 28 0.4 W 1.0 92 8 0.0
9 AM 24 0.9 S 3.7 86 132 0.0
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updated on 10/09/2014 11:41 PM  I   http://www2.nature.nps.gov/air/data/current/data_YELL-WT.cfm   I  Email: Webmaster