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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 Wednesday August 24, 2016 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 37 34
1 AM 39 33
2 AM 38 32
3 AM 36 31
4 AM 32 30
5 AM 32 30
6 AM 31 32
7 AM 29 33
8 AM 29 35
9 AM 30 37
10 AM 29 37
11 AM 31 39
12 PM 36 39
1 PM 44 38
2 PM 43 37
3 PM 42 36
4 PM 42 34
5 PM 34 33
6 PM 40 32
7 PM 34 31
8 PM 32 30
9 PM 30 30
10 PM 34 30
11 PM 30 29
Weather and Ozone Data Wednesday August 24, 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 37 1.0 N 7.3 37 0 0.0
1 AM 39 1.5 N 6.9 38 0 0.0
2 AM 38 1.3 N 6.4 40 0 0.0
3 AM 36 1.2 N 5.2 46 0 0.0
4 AM 32 1.0 N 4.5 50 0 0.0
5 AM 32 1.1 N 4.0 55 0 0.0
6 AM 31 0.9 N 3.8 57 0 0.0
7 AM 29 1.0 N 3.2 61 4 0.0
8 AM 29 1.2 N 4.4 60 35 0.0
9 AM 30 1.4 NE 7.9 50 281 0.0
10 AM 29 1.7 NE 10.2 45 457 0.0
11 AM 31 1.8 E 12.7 37 621 0.0
12 PM 36 2.2 SE 14.8 30 770 0.0
1 PM 44 2.3 S 16.0 22 737 0.0
2 PM 43 1.7 SE 15.2 25 467 0.0
3 PM 42 1.7 S 13.3 30 97 0.0
4 PM 42 2.6 W 6.5 71 10 2.1
5 PM 34 1.5 NW 5.1 94 34 0.5
6 PM 40 1.5 NW 5.2 90 39 0.2
7 PM 34 1.1 N 7.7 84 254 0.0
8 PM 32 1.1 NE 6.0 87 48 0.0
9 PM 30 0.8 N 3.9 92 2 0.0
10 PM 34 1.1 N 3.1 92 0 0.0
11 PM 30 1.1 N 2.6 93 0 0.0
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updated on 08/25/2016 4:40 AM  I   http://nature.nps.gov/air/data/current/data_YELL-WT2.cfm   I  Email: Webmaster