National Park Service Arrowhead
Explore Air

Current Ozone and Weather Data in National Parks


Grand Canyon National Park - The Abyss, AZ
EPA AQS Site Number: 04-005-8001


Yesterday's Data   Data Timelines   Ozone Health Advisory  


Ozone Tuesday May 31, 2016 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 55 54
1 AM 55 54
2 AM 55 54
3 AM 55 --
4 AM 55 --
5 AM 55 --
6 AM 55 --
7 AM 54 --
Weather and Ozone Data Tuesday May 31, 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 55 1.2 NW 17.0 26 0 0.0
1 AM 55 1.5 NW 16.4 26 0 0.0
2 AM 55 1.9 N 16.2 26 0 0.0
3 AM 55 1.7 N 16.0 26 0 0.0
4 AM 55 1.3 N 15.9 26 0 0.0
5 AM 55 1.2 N 15.7 28 0 0.0
6 AM 55 1.3 N 15.3 29 20 0.0
7 AM 54 1.6 NE 16.3 28 188 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 05/31/2016 8:42 AM  I   http://nature.nps.gov/air/data/current/data_GRCA-AS.cfm   I  Email: Webmaster