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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 September 18, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 52 53
1 AM 53 52
2 AM 51 51
3 AM 60 50
4 AM 57 47
5 AM 55 45
6 AM 52 43
7 AM 48 41
8 AM 44 39
9 AM 44 37
10 AM 41 36
11 AM 40 35
12 PM 39 35
1 PM 37 35
2 PM 36 35
3 PM 33 36
4 PM 31 37
5 PM 34 37
6 PM 36 36
7 PM 37 36
8 PM 38 35
9 PM 41 33
10 PM 40 31
11 PM 39 30
Weather and Ozone Data Thursday September 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 52 2.2 E 20.7 33 0 0.0
1 AM 53 2.2 SE 20.4 34 0 0.0
2 AM 51 1.8 SE 19.4 36 0 0.0
3 AM 60 4.1 SW 16.2 52 0 0.0
4 AM 57 2.9 SW 16.0 53 0 0.0
5 AM 55 3.0 SW 15.5 55 0 0.0
6 AM 52 2.0 SW 15.5 56 0 0.0
7 AM 48 1.5 E 15.6 57 3 0.0
8 AM 44 2.1 NE 15.5 56 59 0.0
9 AM 44 3.9 SW 14.0 59 299 0.0
10 AM 41 3.8 SW 14.7 61 493 0.0
11 AM 40 3.4 SW 16.5 54 661 0.0
12 PM 39 4.6 SW 17.9 49 725 0.0
1 PM 37 4.1 SW 18.5 48 554 0.0
2 PM 36 4.9 SW 19.4 46 803 0.0
3 PM 33 6.2 SW 19.4 48 458 0.0
4 PM 31 6.2 SW 18.7 56 336 0.0
5 PM 34 6.2 SW 18.0 61 302 0.0
6 PM 36 6.0 SW 18.0 61 275 0.0
7 PM 37 4.3 SW 17.5 64 85 0.0
8 PM 38 4.1 SW 16.3 69 1 0.0
9 PM 41 3.9 SW 15.3 73 0 0.0
10 PM 40 2.3 SW 14.8 76 0 0.0
11 PM 39 1.6 NE 14.7 76 0 0.0
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updated on 09/19/2014 5:40 PM  I   http://www.nature.nps.gov/air/data/current/data_YOSE-TD2.cfm   I  Email: Webmaster