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 Tuesday May 3, 2016 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 50 48
1 AM 50 --
2 AM 49 --
3 AM 49 --
4 AM 47 --
5 AM 46 --
Weather and Ozone Data Tuesday May 3, 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 50 1.0 N 2.6 56 0 0.0
1 AM 50 1.1 N 1.6 64 0 0.0
2 AM 49 1.0 N 0.5 68 0 0.0
3 AM 49 1.0 NW -0.1 70 0 0.0
4 AM 47 0.8 NW -0.6 73 0 0.0
5 AM 46 0.7 NW -1.7 76 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 05/03/2016 5:39 AM  I   http://nature.nps.gov/air/data/current/data_YELL-WT.cfm   I  Email: Webmaster