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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 Saturday February 24, 2018 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 39 38
1 AM -- 38
2 AM 39 38
3 AM 39 38
4 AM 40 38
5 AM 39 38
6 AM 38 --
7 AM 37 --
8 AM 38 --
9 AM 39 --
10 AM 39 --
Weather and Ozone Data Saturday February 24, 2018
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 39 0.7 NW -19.7 82 -- 0.0
1 AM -- 0.6 N -19.1 82 -- 0.0
2 AM 39 0.6 NW -19.0 81 -- 0.0
3 AM 39 0.7 SW -18.1 81 -- 0.0
4 AM 40 1.4 S -17.5 79 -- 0.0
5 AM 39 1.3 S -17.3 79 -- 0.0
6 AM 38 1.3 S -17.0 77 -- 0.0
7 AM 37 1.5 SW -16.9 78 -- 0.0
8 AM 38 1.9 SW -16.9 77 -- 0.0
9 AM 39 1.5 SW -15.9 73 3 0.0
10 AM 39 2.8 SW -14.8 70 13 0.0
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updated on 02/24/2018 10:43 AM  I   http://www.nature.nps.gov/air/data/current/Data_YELL-WT.cfm   I  Email: Webmaster