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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 Monday September 1, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 33 31
1 AM 30 31
2 AM 26 --
3 AM 25 --
4 AM 38 --
5 AM 35 --
6 AM 34 --
8 AM -- --
9 AM -- --
10 AM -- 45
11 AM 37 45
12 PM -- 46
1 PM 46 46
2 PM 47 45
3 PM 47 45
4 PM 47 45
5 PM 47 --
6 PM 45 --
7 PM 46 --
8 PM 43 --
9 PM 42 --
Weather and Ozone Data Monday September 1, 2014
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 33 0.8 NE 3.3 92 1 0.0
1 AM 30 0.8 NE 2.9 94 1 0.0
2 AM 26 0.8 N 2.4 95 1 0.0
3 AM 25 1.0 NW 3.1 95 1 --
4 AM 38 1.4 SW 3.6 93 1 0.5
5 AM 35 1.0 W 3.2 95 1 0.0
6 AM 34 1.5 W 3.4 95 1 0.0
8 AM -- -- -- -- -- -- --
9 AM -- -- -- -- -- -- --
10 AM -- -- -- -- -- -- --
11 AM 37 1.8 S 7.5 69 372 --
12 PM -- 2.0 SW 8.9 56 453 0.0
1 PM 46 2.6 SW 10.1 48 658 0.0
2 PM 47 3.4 SW 11.0 44 751 0.0
3 PM 47 2.8 SW 11.0 45 483 0.0
4 PM 47 3.2 SW 11.6 45 484 --
5 PM 47 3.3 SW 12.1 45 525 0.0
6 PM 45 2.7 SW 11.2 50 238 0.0
7 PM 46 2.5 SW 11.1 50 169 0.0
8 PM 43 1.6 SW 9.2 61 25 0.0
9 PM 42 1.1 W 6.5 76 1 0.0
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updated on 09/01/2014 9:41 PM  I   http://www.nature.nps.gov/air/data/current/data_YELL-WT.cfm   I  Email: Webmaster