National Park Service Arrowhead
Explore Air

Current Ozone and Weather Data in National Parks


Yosemite National Park - Turtleback Dome, CA
EPA AQS Site Number: 06-043-0003


Yesterday's Data   Data Timelines   Ozone Health Advisory  


Ozone Monday September 1, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 41 39
1 AM 39 39
2 AM 39 40
3 AM 38 41
4 AM 39 42
5 AM 39 44
6 AM 40 45
7 AM 42 46
8 AM 42 47
9 AM 43 49
10 AM 48 50
11 AM 49 52
12 PM 49 53
1 PM 49 53
2 PM 50 56
3 PM 53 57
4 PM 54 --
5 PM 55 --
6 PM 58 --
7 PM 58 --
9 PM 64 --
Weather and Ozone Data Monday September 1, 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 41 4.3 NE 19.5 32 0 0.0
1 AM 39 4.2 NE 18.8 33 0 0.0
2 AM 39 4.1 NE 18.4 33 0 0.0
3 AM 38 5.0 NE 18.4 32 0 0.0
4 AM 39 4.9 NE 18.2 32 0 0.0
5 AM 39 5.2 NE 18.1 31 0 0.0
6 AM 40 4.9 NE 17.6 32 0 0.0
7 AM 42 4.6 NE 17.6 31 8 0.0
8 AM 42 4.5 NE 18.3 29 156 0.0
9 AM 43 2.3 NE 19.7 27 361 0.0
10 AM 48 2.9 SW 21.2 26 562 0.0
11 AM 49 4.9 SW 22.2 26 728 0.0
12 PM 49 5.1 SW 23.4 23 847 0.0
1 PM 49 5.8 SW 25.1 21 909 0.0
2 PM 50 6.3 SW 26.4 20 907 0.0
3 PM 53 6.7 SW 27.0 20 846 0.0
4 PM 54 7.1 SW 26.9 22 724 0.0
5 PM 55 6.7 SW 26.7 24 557 0.0
6 PM 58 6.4 SW 26.0 26 359 0.0
7 PM 58 5.6 SW 24.9 29 160 0.0
9 PM 64 3.8 SW 22.1 38 0 0.0
U.S. Department of the Interior Accessibility Freedom of Information Act USA.gov Search
Privacy Policy Disclaimer NPS Home Contact Us
updated on 09/01/2014 11:41 PM  I   http://www2.nature.nps.gov/air/data/current/data_YOSE-TD.cfm   I  Email: Webmaster