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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 24, 2016 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 44 43
1 AM 45 42
2 AM 46 42
3 AM 46 41
4 AM 44 40
5 AM 40 41
6 AM 40 41
7 AM 42 42
8 AM 39 43
9 AM 40 43
10 AM 41 --
11 AM -- --
12 PM 45 --
1 PM 46 --
2 PM 45 --
3 PM 46 --
Weather and Ozone Data Tuesday May 24, 2016
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 44 0.9 W 0.2 78 0 0.0
1 AM 45 1.6 SW 1.2 70 0 0.0
2 AM 46 1.9 SW 1.7 66 0 0.0
3 AM 46 1.6 SW 1.7 66 0 0.0
4 AM 44 0.7 S -0.2 77 0 0.0
5 AM 40 0.7 N -1.5 87 0 0.0
6 AM 40 0.7 NW -1.0 86 0 0.0
7 AM 42 0.7 W 0.0 81 27 0.0
8 AM 39 1.0 S 1.3 76 115 0.0
9 AM 40 1.6 S 3.5 68 341 0.0
10 AM 41 2.2 SE 5.0 67 474 --
11 AM -- 2.1 SE 5.3 65 248 --
12 PM 45 1.9 SE 7.1 59 456 0.0
1 PM 46 2.7 S 8.3 49 493 0.0
2 PM 45 3.3 S 8.2 54 519 --
3 PM 46 2.6 S 8.6 57 711 0.0
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updated on 05/24/2016 4:44 PM  I   http://www.nature.nps.gov/air/data/current/data_YELL-WT.cfm   I  Email: Webmaster