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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 January 27, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 27 29
1 AM 31 29
2 AM 31 29
3 AM 31 28
4 AM 33 29
5 AM 34 28
6 AM 27 27
7 AM 24 --
8 AM 24 --
9 AM 28 --
10 AM 28 --
11 AM 36 --
12 PM -- --
Weather and Ozone Data Tuesday January 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 27 0.5 S -6.0 93 0 0.0
1 AM 31 0.6 SW -6.9 95 0 0.0
2 AM 31 0.4 W -6.5 94 0 0.0
3 AM 31 0.5 NW -6.9 94 0 0.0
4 AM 33 0.7 NW -7.3 93 0 0.0
5 AM 34 0.7 NW -7.3 93 0 0.0
6 AM 27 0.5 NE -8.1 91 0 0.0
7 AM 24 0.4 NW -10.3 88 0 0.0
8 AM 24 0.5 N -10.8 89 2 0.0
9 AM 28 0.5 S -9.2 90 25 0.0
10 AM 28 0.8 SE -3.8 87 177 0.0
11 AM 36 1.1 SE -0.9 69 290 0.0
12 PM -- -- -- -- -- -- --
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updated on 01/27/2015 11:47 PM  I   http://nature.nps.gov/air/data/current/data_YELL-WT.cfm   I  Email: Webmaster