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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 Saturday July 30, 2016 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 38 36
1 AM 38 36
2 AM 39 34
3 AM 39 34
4 AM 38 33
5 AM 36 33
6 AM 34 35
7 AM 33 36
8 AM 32 38
9 AM 26 40
10 AM 34 43
11 AM 36 45
12 PM 39 46
1 PM 47 47
2 PM 48 46
3 PM 48 46
4 PM 48 45
5 PM 49 44
6 PM 47 43
7 PM 46 43
8 PM 46 43
9 PM 43 42
10 PM 44 --
11 PM 41 --
Weather and Ozone Data Saturday July 30, 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 38 1.1 N 14.0 54 0 0.0
1 AM 38 1.1 N 13.0 59 0 0.0
2 AM 39 1.2 N 12.5 61 0 0.0
3 AM 39 1.1 NW 11.8 66 0 0.0
4 AM 38 1.1 NW 11.2 70 0 0.0
5 AM 36 0.9 NW 10.9 72 0 0.0
6 AM 34 0.7 NW 10.1 73 0 0.0
7 AM 33 0.8 N 9.6 73 14 0.0
8 AM 32 0.6 S 11.6 71 52 0.0
9 AM 26 1.1 SE 13.9 65 252 0.0
10 AM 34 1.4 S 16.2 54 514 0.0
11 AM 36 1.9 SE 18.3 45 689 0.0
12 PM 39 2.0 S 20.7 38 811 0.0
1 PM 47 2.7 W 24.1 19 906 0.0
2 PM 48 3.0 W 24.9 19 837 0.0
3 PM 48 2.8 W 24.8 20 554 0.0
4 PM 48 2.6 SW 20.6 31 498 0.0
5 PM 49 1.8 SE 21.3 33 341 0.0
6 PM 47 1.8 NE 21.6 35 460 0.0
7 PM 46 1.3 E 20.6 36 214 0.0
8 PM 46 1.6 W 20.5 31 83 0.0
9 PM 43 0.8 NW 17.4 41 16 0.0
10 PM 44 1.1 W 16.5 42 0 0.0
11 PM 41 0.9 N 14.6 51 0 0.0
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updated on 07/31/2016 2:40 AM  I   http://www.nature.nps.gov/air/data/current/data_YELL-WT2.cfm   I  Email: Webmaster