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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 Wednesday March 4, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 35 40
1 AM 38 42
2 AM 38 42
3 AM 41 43
4 AM 43 43
5 AM 44 43
6 AM 44 42
7 AM 44 41
8 AM 45 40
9 AM 44 39
10 AM 44 38
11 AM 42 38
12 PM 39 37
1 PM 35 38
2 PM 36 38
3 PM 37 38
4 PM 38 38
5 PM 39 37
6 PM 39 36
7 PM 40 36
8 PM 40 35
9 PM 40 --
10 PM 35 --
11 PM 33 --
Weather and Ozone Data Wednesday March 4, 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 35 4.1 E 1.4 75 0 0.0
1 AM 38 4.3 NE 0.8 64 0 0.0
2 AM 38 5.0 NE 0.4 58 0 0.0
3 AM 41 4.7 NE 0.4 48 0 0.0
4 AM 43 4.2 E 0.4 40 0 0.0
5 AM 44 5.1 NE 0.4 35 0 0.0
6 AM 44 5.3 NE 0.2 32 0 0.0
7 AM 44 5.1 NE 0.1 30 8 0.0
8 AM 45 5.1 NE 0.7 27 159 0.0
9 AM 44 2.1 E 2.4 29 373 0.0
10 AM 44 2.5 SW 3.7 38 566 0.0
11 AM 42 4.6 SW 4.8 39 697 0.0
12 PM 39 5.0 SW 5.1 51 732 0.0
1 PM 35 5.7 SW 5.9 60 785 0.0
2 PM 36 6.1 SW 6.5 59 733 0.0
3 PM 37 5.8 SW 7.2 58 632 0.0
4 PM 38 5.9 SW 6.9 62 399 0.0
5 PM 39 4.9 SW 6.0 69 132 0.0
6 PM 39 4.4 SW 5.3 73 18 0.0
7 PM 40 3.7 S 4.7 76 1 0.0
8 PM 40 1.4 SW 4.3 77 0 0.0
9 PM 40 1.3 NE 3.8 79 0 0.0
10 PM 35 3.1 NE 3.5 78 0 0.0
11 PM 33 3.3 NE 3.2 72 0 0.0
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updated on 03/05/2015 2:40 AM  I   http://nature.nps.gov/air/data/current/data_YOSE-TD2.cfm   I  Email: Webmaster