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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 Tuesday September 2, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 45 41
1 AM 43 40
2 AM 42 40
3 AM 43 39
4 AM 43 39
5 AM 43 39
6 AM 39 40
7 AM 36 41
8 AM 36 43
9 AM 38 45
10 AM 40 47
11 AM 43 49
12 PM -- 51
1 PM 48 52
2 PM 48 52
3 PM 50 53
4 PM 51 53
5 PM 52 --
6 PM 56 --
7 PM 58 --
8 PM 53 --
9 PM 51 --
Weather and Ozone Data Tuesday September 2, 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 45 1.1 W 5.4 73 1 0.0
1 AM 43 1.0 W 4.5 79 1 0.0
2 AM 42 1.1 NW 3.5 84 1 0.0
3 AM 43 1.1 NW 3.4 84 1 0.0
4 AM 43 0.9 NW 3.2 85 1 0.0
5 AM 43 0.9 NW 2.8 86 1 0.0
6 AM 39 1.1 NW 2.4 88 1 0.0
7 AM 36 1.1 NW 1.9 91 2 0.0
8 AM 36 0.9 SW 3.5 85 53 0.0
9 AM 38 1.6 S 7.2 68 290 0.0
10 AM 40 2.3 S 9.3 60 459 0.0
11 AM 43 3.3 S 11.7 51 599 0.0
12 PM -- -- -- -- -- -- --
1 PM 48 4.6 SW 14.3 37 809 0.0
2 PM 48 4.6 SW 15.2 35 823 0.0
3 PM 50 4.6 SW 16.0 33 793 0.0
4 PM 51 4.5 SW 16.4 33 709 0.0
5 PM 52 4.0 SW 16.9 32 580 0.0
6 PM 56 3.8 SW 16.4 28 423 0.0
7 PM 58 3.1 SW 15.0 28 151 0.0
8 PM 53 1.4 W 11.8 42 11 0.0
9 PM 51 1.1 NW 9.1 55 1 0.0
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updated on 09/02/2014 9:41 PM  I   http://nature.nps.gov/air/data/current/data_YELL-WT.cfm   I  Email: Webmaster