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Current Ozone and Weather Data in National Parks


Yosemite National Park - Turtleback Dome, CA
EPA AQS Site Number: 06-043-0003


Today's Data   Data Timelines   Ozone Health Advisory  
Ozone Tuesday January 17, 2017 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 41 44
1 AM 45 44
2 AM 45 44
3 AM 44 45
4 AM 44 45
5 AM 46 44
6 AM 45 44
7 AM 44 43
8 AM 44 42
9 AM 47 41
10 AM 46 39
11 AM 44 38
12 PM 41 37
1 PM -- 36
2 PM 39 36
3 PM 38 35
4 PM 36 35
5 PM 35 35
6 PM 37 35
7 PM 36 34
8 PM 34 34
9 PM 34 35
10 PM 34 35
11 PM 35 36
Weather and Ozone Data Tuesday January 17, 2017
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 41 3.9 NE 4.2 53 0 0.0
1 AM 45 4.6 NE 4.1 49 0 0.0
2 AM 45 3.9 NE 4.7 45 0 0.0
3 AM 44 5.6 NE 3.3 53 0 0.0
4 AM 44 5.1 NE 3.1 52 0 0.0
5 AM 46 5.1 NE 3.7 46 0 0.0
6 AM 45 3.9 NE 3.3 48 0 0.0
7 AM 44 4.7 NE 3.2 47 0 0.0
8 AM 44 6.3 NE 2.4 49 9 0.0
9 AM 47 3.0 E 5.2 36 41 0.0
10 AM 46 1.5 NE 7.1 29 374 0.0
11 AM 44 3.2 E 6.8 34 483 0.0
12 PM 41 5.2 SW 6.9 38 503 0.0
1 PM -- -- -- 7.0 38 359 0.0
2 PM 39 4.1 S 7.2 39 334 0.0
3 PM 38 1.9 SW 7.0 42 238 0.0
4 PM 36 1.1 SW 7.2 46 166 0.0
5 PM 35 1.4 S 6.9 50 56 0.0
6 PM 37 1.9 NE 6.5 48 1 0.0
7 PM 36 3.1 NE 5.9 52 0 0.0
8 PM 34 2.5 E 5.4 57 -- 0.0
9 PM 34 2.8 NE 5.5 55 0 0.0
10 PM 34 4.0 NE 4.7 60 0 0.0
11 PM 35 4.4 NE 4.7 58 0 0.0
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updated on 01/18/2017 11:41 AM  I   http://nature.nps.gov/air/data/current/data_YOSE-TD2.cfm   I  Email: Webmaster