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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 September 1, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 52 42
1 AM 49 40
2 AM 43 38
3 AM 41 38
4 AM 39 38
5 AM 40 39
6 AM 38 40
7 AM 37 43
8 AM 36 45
9 AM 37 47
10 AM 40 50
11 AM -- 52
12 PM 46 52
1 PM 52 53
2 PM 53 53
3 PM 52 53
4 PM 53 53
5 PM 54 53
6 PM 55 52
7 PM 56 51
8 PM 54 50
9 PM 52 48
10 PM 53 47
11 PM 52 46
Weather and Ozone Data Tuesday September 1, 2015
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 52 1.1 W 8.7 40 0 0.0
1 AM 49 1.1 NW 8.3 46 -- 0.0
2 AM 43 1.1 NW 7.4 61 0 0.0
3 AM 41 1.1 NW 6.9 67 -- 0.0
4 AM 39 1.1 NW 6.2 72 -- 0.0
5 AM 40 1.1 NW 5.8 72 0 0.0
6 AM 38 1.2 NW 5.2 74 -- 0.0
7 AM 37 1.1 NW 4.8 78 1 0.0
8 AM 36 0.6 N 5.6 79 52 0.0
9 AM 37 0.9 SE 10.3 62 277 0.0
10 AM 40 1.6 S 12.6 48 453 0.0
11 AM -- -- -- -- -- -- --
12 PM 46 2.5 SE 18.5 33 731 0.0
1 PM 52 3.7 S 20.7 24 803 0.0
2 PM 53 4.8 SW 21.0 21 829 0.0
3 PM 52 4.7 SW 21.6 21 805 0.0
4 PM 53 4.8 SW 21.8 19 724 0.0
5 PM 54 3.7 SW 22.2 18 594 0.0
6 PM 55 4.0 SW 21.4 19 425 0.0
7 PM 56 3.3 SW 19.7 22 166 0.0
8 PM 54 2.1 SW 17.7 26 15 0.0
9 PM 52 0.9 W 14.2 34 0 0.0
10 PM 53 1.1 W 13.8 33 0 0.0
11 PM 52 0.9 NW 12.2 36 0 0.0
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updated on 09/02/2015 2:41 PM  I   http://www.nature.nps.gov/air/data/current/data_YELL-WT2.cfm   I  Email: Webmaster