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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 April 1, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 47 --
10 AM 32 46
11 AM 49 48
12 PM 48 48
1 PM 49 --
2 PM 48 --
3 PM 49 --
4 PM 49 --
5 PM 50 --
Weather and Ozone Data Wednesday April 1, 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 47 2.5 SW 3.8 44 0 0.0
10 AM 32 2.9 SW 0.0 61 52 --
11 AM 49 2.5 W -1.9 59 183 0.6
12 PM 48 3.3 SW -1.3 52 412 0.0
1 PM 49 3.8 SW -1.4 50 554 0.0
2 PM 48 3.4 SW -1.2 50 481 --
3 PM 49 4.4 SW -1.0 43 492 0.0
4 PM 49 3.8 SW -3.1 64 306 0.0
5 PM 50 3.5 SW -1.8 50 384 0.0
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updated on 04/01/2015 5:41 PM  I   http://www.nature.nps.gov/air/data/current/data_YELL-WT.cfm   I  Email: Webmaster