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 Sunday April 19, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 54 52
1 AM 54 52
2 AM 54 51
3 AM 54 50
4 AM 53 49
5 AM 53 49
6 AM 52 48
7 AM 49 48
8 AM 47 48
9 AM 47 --
10 AM 47 --
11 AM 48 --
12 PM 50 --
1 PM 50 --
Weather and Ozone Data Sunday April 19, 2015
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 54 1.5 NW 12.4 21 0 0.0
1 AM 54 1.5 N 12.4 22 0 0.0
2 AM 54 1.5 NW 12.2 22 0 0.0
3 AM 54 1.1 N 12.3 22 0 0.0
4 AM 53 1.6 N 11.5 23 0 0.0
5 AM 53 1.1 N 11.4 23 0 0.0
6 AM 52 0.8 NE 11.0 24 2 0.0
7 AM 49 1.3 SE 9.9 28 94 0.0
8 AM 47 1.7 NE 11.0 27 287 0.0
9 AM 47 1.9 NE 11.9 27 448 0.0
10 AM 47 1.8 NE 12.4 28 675 0.0
11 AM 48 2.1 NE 12.7 31 815 0.0
12 PM 50 2.1 NE 13.6 28 903 0.0
1 PM 50 2.3 NE 14.5 24 935 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 04/19/2015 2:40 PM  I   http://nature.nps.gov/air/data/current/data_GRCA-AS.cfm   I  Email: Webmaster