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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 May 24, 2012 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 32 --
1 AM 36 --
2 AM 42 --
3 AM 38 --
Weather and Ozone Data Thursday May 24, 2012
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 32 0.5 NE -1.2 98 1 0.1
1 AM 36 0.7 W -1.3 96 1 0.0
2 AM 42 0.9 NW -1.7 93 1 0.0
3 AM 38 1.0 W -2.1 93 1 0.0
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updated on 05/24/2012 3:40 AM  I   http://www.nature.nps.gov/air/data/current/data_yell.cfm   I  Email: Webmaster