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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 Saturday February 28, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 42 42
1 AM 43 42
2 AM 43 42
3 AM 43 42
4 AM 43 41
5 AM 42 --
6 AM 42 --
7 AM 42 --
8 AM 42 --
9 AM 40 --
Weather and Ozone Data Saturday February 28, 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 42 0.8 NW -17.4 84 0 0.0
1 AM 43 0.9 N -18.0 85 0 0.0
2 AM 43 1.0 N -18.1 84 0 0.0
3 AM 43 1.2 NW -18.0 84 0 0.0
4 AM 43 1.1 NW -19.0 84 0 0.0
5 AM 42 0.8 NW -19.9 85 0 0.0
6 AM 42 0.8 NW -20.3 86 0 0.0
7 AM 42 0.6 N -21.1 85 1 0.0
8 AM 42 0.6 N -21.2 84 41 0.0
9 AM 40 0.9 SE -14.2 77 190 0.0
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updated on 02/28/2015 9:40 AM  I   http://www.nature.nps.gov/air/data/current/data_YELL-WT.cfm   I  Email: Webmaster