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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 Saturday August 30, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 39 36
1 AM 37 35
2 AM 36 35
3 AM 35 36
4 AM 31 36
5 AM 35 37
6 AM 42 38
7 AM 34 38
8 AM 34 40
9 AM 39 40
10 AM 38 41
11 AM 40 41
12 PM 39 41
1 PM 44 41
2 PM 43 42
3 PM 43 42
4 PM 40 41
5 PM 41 41
6 PM 41 41
7 PM 38 --
8 PM 45 --
9 PM 47 --
10 PM 41 --
11 PM 36 --
Weather and Ozone Data Saturday August 30, 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 39 1.1 NW 10.8 64 1 0.0
1 AM 37 1.1 W 10.0 70 1 0.0
2 AM 36 1.0 W 9.9 74 1 0.0
3 AM 35 0.9 W 9.2 76 1 0.0
4 AM 31 0.8 N 9.3 80 1 0.0
5 AM 35 0.9 N 9.2 76 1 0.0
6 AM 42 1.2 NW 9.3 75 1 0.0
7 AM 34 1.0 NW 8.5 78 2 0.0
8 AM 34 1.5 NW 8.6 89 9 1.6
9 AM 39 2.1 NW 8.5 91 165 0.4
10 AM 38 1.7 NE 11.2 79 397 0.0
11 AM 40 1.4 E 12.6 67 507 0.0
12 PM 39 1.6 N 12.2 67 209 2.2
1 PM 44 3.7 NW 5.8 93 231 6.4
2 PM 43 2.7 NW 6.1 92 58 --
3 PM 43 1.5 N 4.8 93 38 3.8
4 PM 40 1.1 S 4.5 96 29 1.1
5 PM 41 1.7 SW 6.3 94 259 0.0
6 PM 41 1.5 SW 7.5 92 159 --
7 PM 38 1.7 W 7.0 93 31 0.3
8 PM 45 2.6 NW 4.6 94 4 1.9
9 PM 47 1.6 N 4.5 94 1 4.3
10 PM 41 1.2 E 4.1 95 1 0.5
11 PM 36 1.0 NE 4.1 96 1 0.0
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updated on 08/30/2014 11:41 PM  I   http://www.nature.nps.gov/air/data/current/data_YELL-WT.cfm   I  Email: Webmaster