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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 Thursday December 18, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 32 32
1 AM 29 32
2 AM 28 34
3 AM 30 35
4 AM 34 36
5 AM 34 36
6 AM 36 37
7 AM 36 36
8 AM 36 36
9 AM 38 35
10 AM 39 35
11 AM 38 34
12 PM 36 33
1 PM 37 32
2 PM 34 32
3 PM 32 32
4 PM 32 32
5 PM 33 32
6 PM 33 32
7 PM 31 33
8 PM 31 34
9 PM 32 35
10 PM 33 36
11 PM 34 37
Weather and Ozone Data Thursday December 18, 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 32 2.0 NE 1.0 88 0 0.0
1 AM 29 1.7 E 0.8 91 0 0.0
2 AM 28 3.2 NE 0.5 87 0 0.0
3 AM 30 3.0 E 0.7 81 0 0.0
4 AM 34 3.5 NE 1.0 75 0 0.0
5 AM 34 2.9 NE 1.0 73 0 0.0
6 AM 36 4.7 NE 1.0 70 0 0.0
7 AM 36 4.7 NE 0.9 69 1 0.0
8 AM 36 4.4 NE 0.9 67 17 0.0
9 AM 38 2.9 NE 1.3 66 61 0.0
10 AM 39 1.6 E 2.5 61 270 0.0
11 AM 38 1.3 S 3.4 59 418 0.0
12 PM 36 2.2 SW 3.8 60 475 0.0
1 PM 37 1.8 SW 5.2 55 441 0.0
2 PM 34 2.2 SW 4.9 62 336 0.0
3 PM 32 2.2 SW 4.1 72 174 0.0
4 PM 32 1.8 NE 3.9 72 105 0.0
5 PM 33 1.0 E 4.6 66 34 0.0
6 PM 33 2.9 NE 4.0 68 1 0.0
7 PM 31 1.5 NE 3.5 73 0 0.0
8 PM 31 4.1 NE 3.6 71 0 0.0
9 PM 32 4.2 NE 3.3 72 0 0.0
10 PM 33 4.1 NE 3.4 69 0 0.0
11 PM 34 3.3 NE 3.5 67 0 0.0
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updated on 12/19/2014 8:39 AM  I   http://nature.nps.gov/air/data/current/data_YOSE-TD2.cfm   I  Email: Webmaster