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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 Tuesday May 3, 2016 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 50 47
1 AM 50 46
2 AM 49 44
3 AM 49 44
4 AM 47 43
5 AM 46 43
6 AM 44 44
7 AM 44 46
8 AM 39 48
9 AM 41 51
10 AM 44 54
11 AM -- 56
12 PM -- 56
1 PM 57 55
2 PM 56 55
3 PM 55 54
4 PM 56 54
5 PM 58 54
6 PM 57 53
7 PM 55 52
8 PM 53 52
9 PM 53 51
10 PM 52 --
11 PM 52 --
Weather and Ozone Data Tuesday May 3, 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 50 1.0 N 2.6 56 0 0.0
1 AM 50 1.1 N 1.6 64 0 0.0
2 AM 49 1.0 N 0.5 68 0 0.0
3 AM 49 1.0 NW -0.1 70 0 0.0
4 AM 47 0.8 NW -0.6 73 0 0.0
5 AM 46 0.7 NW -1.7 76 0 0.0
6 AM 44 0.8 N -2.0 79 0 0.0
7 AM 44 0.7 NW -1.9 79 11 0.0
8 AM 39 0.9 SE -0.1 72 47 0.0
9 AM 41 1.4 SE 2.6 63 351 0.0
10 AM 44 1.6 SE 4.5 55 534 0.0
11 AM -- -- -- -- -- -- --
12 PM -- 1.7 S 9.4 31 837 0.0
1 PM 57 2.2 SE 11.6 27 900 0.0
2 PM 56 1.9 S 13.1 28 921 0.0
3 PM 55 2.0 SE 13.7 28 887 0.0
4 PM 56 2.3 SE 14.3 27 808 0.0
5 PM 58 2.5 SE 13.9 28 632 0.0
6 PM 57 1.4 SE 12.7 29 330 0.0
7 PM 55 1.4 SE 12.8 29 303 0.0
8 PM 53 1.0 W 9.4 39 23 0.0
9 PM 53 1.2 W 8.1 40 5 0.0
10 PM 52 1.0 N 6.1 47 0 0.0
11 PM 52 1.1 N 4.6 52 0 0.0
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updated on 05/04/2016 2:40 AM  I   http://www.nature.nps.gov/air/data/current/data_YELL-WT2.cfm   I  Email: Webmaster