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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 July 28, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 56 46
1 AM 51 44
2 AM 49 43
3 AM 47 43
4 AM 46 43
5 AM 43 44
6 AM 41 45
7 AM 40 47
8 AM 40 50
9 AM 40 52
10 AM 49 55
11 AM 50 57
12 PM 52 60
1 PM 53 62
2 PM 57 64
3 PM 60 65
4 PM 62 65
5 PM 63 64
6 PM 66 64
7 PM 68 62
8 PM 68 61
9 PM 68 58
10 PM 66 55
11 PM 62 54
Weather and Ozone Data Tuesday July 28, 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 56 3.6 NE 18.7 37 0 0.0
1 AM 51 3.7 NE 17.9 41 0 0.0
2 AM 49 4.6 NE 17.4 42 0 0.0
3 AM 47 5.0 NE 17.3 41 0 0.0
4 AM 46 4.9 NE 17.0 40 0 0.0
5 AM 43 4.8 NE 16.7 39 0 0.0
6 AM 41 4.9 NE 16.4 38 1 0.0
7 AM 40 4.9 NE 16.4 37 49 0.0
8 AM 40 5.0 NE 17.3 35 237 0.0
9 AM 40 2.5 NE 19.4 32 443 0.0
10 AM 49 2.1 SW 21.5 25 641 0.0
11 AM 50 4.1 SW 22.6 24 807 0.0
12 PM 52 4.2 SW 23.6 22 925 0.0
1 PM 53 4.5 SW 25.3 22 984 0.0
2 PM 57 5.9 SW 26.5 20 983 0.0
3 PM 60 5.8 SW 27.3 18 916 0.0
4 PM 62 6.2 SW 27.8 16 820 0.0
5 PM 63 6.8 SW 27.4 17 664 0.0
6 PM 66 6.3 SW 27.3 17 482 0.0
7 PM 68 6.4 SW 26.6 17 282 0.0
8 PM 68 5.1 SW 25.6 18 88 0.0
9 PM 68 3.4 S 24.5 19 3 0.0
10 PM 66 1.8 SE 24.0 20 0 0.0
11 PM 62 3.8 NE 22.3 24 0 0.0
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updated on 07/29/2015 6:52 AM  I   http://www2.nature.nps.gov/air/data/current/data_YOSE-TD2.cfm   I  Email: Webmaster