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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 Tuesday May 26, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 31 --
1 AM 29 --
2 AM 27 --
3 AM 27 --
4 AM 33 --
Weather and Ozone Data Tuesday May 26, 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 31 0.9 NW 4.5 92 1 0.0
1 AM 29 0.7 N 4.8 92 1 0.0
2 AM 27 0.9 NW 3.7 94 1 0.0
3 AM 27 1.0 NW 2.5 95 1 0.0
4 AM 33 0.8 W 2.9 94 1 0.0
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updated on 05/26/2015 4:42 AM  I   http://nature.nps.gov/air/data/current/data_YELL-WT.cfm   I  Email: Webmaster