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 Monday August 29, 2016 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 45 43
1 AM 44 43
2 AM 43 42
3 AM 43 42
4 AM 42 42
5 AM 43 42
6 AM 44 42
7 AM 43 42
8 AM 42 43
9 AM 42 44
10 AM 40 45
11 AM 41 45
12 PM 43 46
1 PM 46 --
2 PM 46 --
3 PM 47 --
4 PM 48 --
5 PM 49 --
Weather and Ozone Data Monday August 29, 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 45 0.8 N 18.7 51 0 0.0
1 AM 44 1.6 NW 18.2 53 0 0.0
2 AM 43 1.6 NW 17.9 55 0 0.0
3 AM 43 1.7 NW 17.4 55 0 0.0
4 AM 42 1.8 N 16.9 55 0 0.0
5 AM 43 1.3 NW 16.9 53 0 0.0
6 AM 44 1.5 N 17.2 45 1 0.0
7 AM 43 1.0 N 17.7 44 58 0.0
8 AM 42 0.9 NE 18.5 44 250 0.0
9 AM 42 1.2 NE 19.3 42 451 0.0
10 AM 40 1.3 N 19.5 43 630 0.0
11 AM 41 1.9 NE 20.8 39 770 0.0
12 PM 43 3.0 E 22.0 34 855 0.0
1 PM 46 3.0 NE 22.5 31 885 0.0
2 PM 46 2.1 NE 23.1 30 857 0.0
3 PM 47 2.2 N 23.8 29 770 0.0
4 PM 48 2.8 N 24.5 25 629 0.0
5 PM 49 3.0 N 24.5 23 445 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 08/29/2016 6:45 PM  I   http://www.nature.nps.gov/air/data/current/data_GRCA-AS.cfm   I  Email: Webmaster