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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 Sunday April 23, 2017 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 46 49
1 AM 48 49
2 AM 49 49
3 AM 48 48
4 AM 51 47
5 AM 52 45
6 AM 52 43
7 AM 49 42
8 AM 47 41
9 AM 48 41
10 AM 43 40
11 AM 40 41
12 PM 34 42
1 PM 37 44
2 PM 40 46
3 PM 42 47
4 PM 44 47
5 PM 46 47
6 PM 48 47
7 PM 50 46
8 PM 51 45
9 PM 49 44
10 PM 50 44
11 PM 44 44
Weather and Ozone Data Sunday April 23, 2017
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 46 3.0 NE 11.1 74 0 0.0
1 AM 48 3.3 NE 10.6 66 0 0.0
2 AM 49 3.0 NE 10.3 63 0 0.0
3 AM 48 3.2 NE 9.4 59 0 0.0
4 AM 51 3.3 NE 9.5 55 0 0.0
5 AM 52 2.3 NE 9.9 53 0 0.0
6 AM 52 1.0 NE 10.3 55 0 0.0
7 AM 49 2.2 NE 9.8 60 11 0.0
8 AM 47 2.2 NE 9.7 61 100 0.0
9 AM 48 1.2 E 10.3 57 145 0.0
10 AM 43 3.2 SW 10.0 60 325 0.0
11 AM 40 4.7 SW 10.3 63 677 0.0
12 PM 34 5.3 SW 10.4 68 847 0.0
1 PM 37 4.5 SW 11.5 62 669 0.0
2 PM 40 5.8 SW 11.3 64 380 0.0
3 PM 42 6.5 SW 11.9 59 749 0.0
4 PM 44 6.4 SW 11.8 56 668 0.0
5 PM 46 6.3 SW 11.3 56 532 0.0
6 PM 48 5.5 SW 11.0 54 341 0.0
7 PM 50 4.9 SW 10.5 52 159 0.0
8 PM 51 5.6 SW 8.8 58 16 0.0
9 PM 49 3.4 S 7.7 64 0 0.0
10 PM 50 1.3 NE 7.5 68 0 0.0
11 PM 44 2.3 NE 7.2 69 0 0.0
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updated on 04/24/2017 8:41 AM  I   http://nature.nps.gov/air/data/current/data_YOSE-TD2.cfm   I  Email: Webmaster