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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 August 21, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 45 44
1 AM 46 --
2 AM 45 --
3 AM 43 --
4 AM 42 --
5 AM 45 --
Weather and Ozone Data Thursday August 21, 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 45 1.2 SW 6.4 96 1 0.0
1 AM 46 1.4 W 6.6 95 1 0.0
2 AM 45 1.1 W 6.7 96 1 0.0
3 AM 43 0.9 W 6.7 96 1 0.0
4 AM 42 0.9 W 6.6 96 1 0.1
5 AM 45 0.9 W 7.2 96 1 0.1
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updated on 08/21/2014 5:40 AM  I   http://www2.nature.nps.gov/air/data/current/data_YELL-WT.cfm   I  Email: Webmaster