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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 Sunday October 22, 2017 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 38 --
1 AM 38 --
2 AM 37 --
3 AM -- --
4 AM -- --
5 AM 35 --
6 AM 34 --
Weather and Ozone Data Sunday October 22, 2017
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 38 2.4 SW -3.5 84 -- 0.0
1 AM 38 2.9 SW -3.4 85 -- 0.2
2 AM 37 2.8 SW -3.0 84 -- 0.0
3 AM -- 3.1 SW -2.8 88 -- 0.0
4 AM -- 3.2 SW -2.4 86 -- 0.0
5 AM 35 3.5 SW -2.0 86 -- 0.0
6 AM 34 2.1 SW -1.9 90 -- 0.0
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updated on 10/22/2017 7:42 AM  I   http://www.nature.nps.gov/air/data/current/data_YELL-WT.cfm   I  Email: Webmaster