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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 September 30, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 31 28
1 AM 30 27
2 AM 31 27
3 AM 30 27
4 AM 25 27
5 AM 27 29
6 AM 27 30
7 AM 26 33
8 AM 26 35
9 AM 27 38
10 AM 30 41
11 AM 35 44
12 PM 35 46
1 PM 40 47
2 PM 45 48
3 PM 46 48
4 PM 50 47
5 PM 52 45
6 PM 51 43
7 PM 50 41
8 PM 48 40
9 PM 46 38
10 PM 42 37
11 PM 40 37
Weather and Ozone Data Tuesday September 30, 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 31 3.1 E 11.4 70 0 0.0
1 AM 30 3.5 E 11.6 67 0 0.0
2 AM 31 3.6 NE 11.9 65 0 0.0
3 AM 30 3.7 NE 11.3 67 0 0.0
4 AM 25 4.2 E 10.7 67 0 0.0
5 AM 27 4.0 E 11.0 64 0 0.0
6 AM 27 3.6 E 10.8 63 0 0.0
7 AM 26 4.3 NE 10.3 62 1 0.0
8 AM 26 4.7 NE 10.4 58 46 0.0
9 AM 27 4.1 NE 11.8 51 273 0.0
10 AM 30 1.8 E 13.9 46 467 0.0
11 AM 35 2.7 SW 14.8 49 631 0.0
12 PM 35 5.0 SW 15.6 48 740 0.0
1 PM 40 5.5 SW 16.2 51 793 0.0
2 PM 45 5.5 SW 17.2 49 785 0.0
3 PM 46 6.0 SW 17.8 44 713 0.0
4 PM 50 6.4 SW 17.8 45 582 0.0
5 PM 52 6.0 SW 17.6 47 406 0.0
6 PM 51 5.7 SW 16.7 53 209 0.0
7 PM 50 4.6 SW 15.3 60 35 0.0
8 PM 48 4.6 SW 14.1 65 0 0.0
9 PM 46 2.0 SE 13.4 67 0 0.0
10 PM 42 3.0 NE 13.0 68 0 0.0
11 PM 40 3.9 NE 12.7 68 0 0.0
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updated on 10/01/2014 2:40 PM  I   http://nature.nps.gov/air/data/current/data_YOSE-TD2.cfm   I  Email: Webmaster