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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 August 23, 2016 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 45 42
1 AM 42 41
2 AM 42 41
3 AM 43 41
4 AM 42 41
5 AM 43 41
6 AM 41 42
7 AM 41 42
8 AM 41 44
9 AM 40 46
10 AM 42 48
11 AM 42 49
12 PM 44 51
1 PM 45 51
2 PM -- 52
3 PM 54 50
4 PM 55 49
5 PM 55 47
6 PM 53 45
7 PM 51 43
8 PM 49 41
9 PM 47 39
10 PM 43 37
11 PM 42 35
Weather and Ozone Data Tuesday August 23, 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 SW 11.5 20 0 0.0
1 AM 42 0.8 NW 8.7 26 0 0.0
2 AM 42 1.0 W 8.2 25 0 0.0
3 AM 43 0.8 W 7.9 25 0 0.0
4 AM 42 1.1 SW 7.8 22 0 0.0
5 AM 43 1.8 W 7.9 24 0 0.0
6 AM 41 1.1 N 6.0 29 0 0.0
7 AM 41 0.8 N 4.5 34 6 0.0
8 AM 41 1.0 SW 7.0 31 70 0.0
9 AM 40 1.8 SW 10.4 26 303 0.0
10 AM 42 2.6 SW 12.4 20 486 0.0
11 AM 42 2.5 W 14.1 15 646 0.0
12 PM 44 2.9 SW 15.6 14 757 0.0
1 PM 45 2.6 W 16.3 13 672 --
2 PM -- 4.1 S 18.0 14 869 --
3 PM 54 4.0 SW 18.3 12 876 --
4 PM 55 3.1 SW 18.4 12 763 0.0
5 PM 55 2.9 SW 18.6 11 657 0.0
6 PM 53 3.3 SW 17.3 13 380 0.0
7 PM 51 2.3 SW 16.5 16 211 0.0
8 PM 49 1.9 W 14.7 17 29 0.0
9 PM 47 1.3 NW 11.7 22 3 0.0
10 PM 43 1.4 N 9.9 28 0 0.0
11 PM 42 1.3 N 8.9 31 0 0.0
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updated on 08/24/2016 9:41 PM  I   http://www.nature.nps.gov/air/data/current/data_YELL-WT2.cfm   I  Email: Webmaster