National Park Service Arrowhead
Explore Air

Current Ozone and Weather Data in National Parks


Yellowstone National Park - Water Tower, WY
EPA AQS Site Number: 56-039-1011


Yesterday's Data   Data Timelines   Ozone Health Advisory  


Ozone Friday May 6, 2016 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 57 55
1 AM 58 53
2 AM 57 52
3 AM 56 51
4 AM 57 50
5 AM 53 49
6 AM 53 --
7 AM 51 --
8 AM 43 --
9 AM 49 --
10 AM 47 --
Weather and Ozone Data Friday May 6, 2016
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 57 1.3 NW 7.0 52 0 0.0
1 AM 58 1.2 W 8.1 48 0 0.0
2 AM 57 1.0 NW 6.9 56 0 0.0
3 AM 56 1.2 NW 6.7 53 0 0.0
4 AM 57 0.8 N 7.1 52 0 0.0
5 AM 53 0.7 NW 6.1 56 0 0.0
6 AM 53 0.8 NW 6.0 58 0 0.0
7 AM 51 0.7 W 5.6 62 33 0.0
8 AM 43 0.8 NE 5.9 67 88 0.0
9 AM 49 1.4 N 8.8 57 146 0.0
10 AM 47 1.3 E 10.4 52 205 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 05/06/2016 10:40 AM  I   http://www.nature.nps.gov/air/data/current/data_YELL-WT.cfm   I  Email: Webmaster