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


Today's Data   Data Timelines   Ozone Health Advisory  
Ozone Tuesday October 21, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 36 35
1 AM 36 35
2 AM 40 35
3 AM 38 --
4 AM 36 --
5 AM 34 --
6 AM 33 --
7 AM 33 --
8 AM -- --
9 AM -- --
10 AM -- --
11 AM -- --
12 PM -- --
1 PM -- --
2 PM -- --
3 PM -- --
4 PM -- --
5 PM -- --
6 PM -- --
7 PM -- --
8 PM -- --
9 PM -- --
10 PM -- --
11 PM -- --
Weather and Ozone Data Tuesday October 21, 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 36 2.8 W 8.2 94 0 0.0
1 AM 36 1.7 NW 8.1 94 0 0.0
2 AM 40 2.3 N 8.5 81 0 0.0
3 AM 38 1.2 NW 9.0 76 0 0.0
4 AM 36 1.5 N 9.5 74 0 0.0
5 AM 34 2.0 N 9.1 75 0 0.0
6 AM 33 3.2 N 8.5 72 0 0.0
7 AM 33 3.7 N 8.4 67 0 0.0
8 AM -- 4.5 N 7.6 64 9 0.0
9 AM -- 4.6 N 8.0 57 179 0.0
10 AM -- 2.6 N 9.7 46 381 0.0
11 AM -- 1.9 NW 11.1 51 520 0.0
12 PM -- 3.6 W 12.1 51 617 0.0
1 PM -- 5.0 W 12.9 54 689 0.0
2 PM -- 6.0 W 13.5 50 674 0.0
3 PM -- 6.3 W 13.8 50 600 0.0
4 PM -- 6.1 W 13.6 50 463 0.0
5 PM -- 6.1 W 13.1 51 273 0.0
6 PM -- 4.9 W 12.2 52 116 0.0
7 PM -- 2.8 W 11.0 54 5 0.0
8 PM -- 1.6 NW 10.2 54 0 0.0
9 PM -- 1.3 NW 9.7 55 0 0.0
10 PM -- 1.3 N 9.9 55 0 0.0
11 PM -- 2.9 N 9.7 57 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 10/22/2014 10:40 PM  I   http://nature.nps.gov/air/data/current/data_YOSE-TD2.cfm   I  Email: Webmaster