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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


Today's Data   Data Timelines   Ozone Health Advisory  
Ozone Sunday May 29, 2016 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 45 45
1 AM 51 43
2 AM 50 42
3 AM 47 42
4 AM 47 42
5 AM 44 42
6 AM 39 42
7 AM 38 44
8 AM 33 46
9 AM 42 48
10 AM 46 50
11 AM 49 51
12 PM 48 52
1 PM 48 53
2 PM 50 54
3 PM 53 54
4 PM 54 54
5 PM 56 53
6 PM 57 51
7 PM 56 49
8 PM 54 46
9 PM 52 45
10 PM 52 44
11 PM 52 --
Weather and Ozone Data Sunday May 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 45 1.2 NW 2.1 75 0 0.0
1 AM 51 1.1 NW 1.3 78 0 0.0
2 AM 50 1.1 NW 0.4 81 0 0.0
3 AM 47 1.2 NW -0.2 82 0 0.0
4 AM 47 1.1 NW -0.6 83 0 0.0
5 AM 44 1.0 NW -1.2 87 0 0.0
6 AM 39 0.9 NW -1.6 90 2 0.0
7 AM 38 0.7 SW -0.8 90 22 0.0
8 AM 33 1.2 SE 1.4 81 123 0.0
9 AM 42 1.8 SE 3.6 69 350 0.0
10 AM 46 1.8 SE 5.7 59 604 0.0
11 AM 49 2.1 SE 8.2 49 755 0.0
12 PM 48 2.4 SE 9.8 43 865 0.0
1 PM 48 4.0 S 13.1 32 966 0.0
2 PM 50 4.3 S 13.6 33 814 0.0
3 PM 53 3.9 S 13.8 32 818 0.0
4 PM 54 4.1 SW 14.8 29 859 0.0
5 PM 56 4.1 SW 14.5 28 712 0.0
6 PM 57 3.6 SW 14.4 27 571 0.0
7 PM 56 2.8 SW 13.4 31 279 0.0
8 PM 54 2.1 SW 11.8 38 92 0.0
9 PM 52 1.2 SW 9.9 48 18 0.0
10 PM 52 0.9 W 7.8 59 0 0.0
11 PM 52 2.7 SW 8.4 57 0 0.2
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updated on 05/30/2016 3:42 AM  I   http://www.nature.nps.gov/air/data/current/data_YELL-WT2.cfm   I  Email: Webmaster