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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 Friday July 29, 2016 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 35 36
1 AM 36 35
2 AM 37 34
3 AM 37 34
4 AM 36 34
5 AM 36 35
6 AM 36 35
7 AM 36 36
8 AM 31 36
9 AM 30 37
10 AM 33 38
11 AM 39 39
12 PM 41 39
1 PM 41 38
2 PM 38 38
3 PM 38 38
4 PM 39 --
5 PM 40 --
6 PM 41 --
7 PM 38 --
8 PM 34 --
Weather and Ozone Data Friday July 29, 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 35 1.0 N 12.6 51 0 0.0
1 AM 36 1.2 NW 11.7 54 0 0.0
2 AM 37 1.2 N 11.2 59 0 0.0
3 AM 37 1.0 N 11.4 62 0 0.0
4 AM 36 0.9 NW 10.6 66 0 0.0
5 AM 36 1.1 N 9.5 70 0 0.0
6 AM 36 1.1 N 9.2 73 0 0.0
7 AM 36 1.0 N 8.8 77 10 0.0
8 AM 31 0.7 S 10.1 74 43 0.0
9 AM 30 1.4 S 13.0 68 266 0.0
10 AM 33 1.5 SE 16.2 56 529 0.0
11 AM 39 1.8 S 18.1 42 686 0.0
12 PM 41 1.9 S 20.3 34 823 0.0
1 PM 41 2.2 S 21.9 29 753 0.0
2 PM 38 2.5 S 22.9 26 766 0.0
3 PM 38 2.2 S 22.3 29 510 0.0
4 PM 39 2.0 S 22.1 31 512 0.0
5 PM 40 2.4 SW 25.0 19 727 0.0
6 PM 41 2.5 W 25.2 17 599 0.0
7 PM 38 1.5 N 22.7 24 192 0.0
8 PM 34 1.1 NW 19.0 35 38 0.0
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updated on 07/29/2016 8:41 PM  I   http://www.nature.nps.gov/air/data/current/data_YELL-WT.cfm   I  Email: Webmaster