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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 Wednesday May 27, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 32 --
1 AM 36 --
2 AM 26 --
3 AM 21 --
4 AM 19 --
Weather and Ozone Data Wednesday May 27, 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 32 1.0 N 2.6 92 0 0.0
1 AM 36 1.0 NW 2.3 92 0 0.0
2 AM 26 0.5 S 4.0 92 0 0.0
3 AM 21 0.6 N 4.0 93 0 0.0
4 AM 19 0.7 N 3.6 93 0 0.0
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updated on 05/27/2015 4:43 AM  I   http://www2.nature.nps.gov/air/data/current/data_YELL-WT.cfm   I  Email: Webmaster