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 Wednesday April 23, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 58 54
1 AM 56 53
2 AM 55 52
3 AM 54 52
4 AM 53 52
5 AM 52 --
6 AM 51 --
7 AM -- --
8 AM 52 --
9 AM 53 --
10 AM 53 --
Weather and Ozone Data Wednesday April 23, 2014
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 58 3.8 SW 8.7 26 0 0.0
1 AM 56 2.7 SW 7.5 28 0 0.0
2 AM 55 3.4 SW 6.1 29 0 0.0
3 AM 54 3.2 SW 5.5 26 0 0.0
4 AM 53 3.6 SW 5.4 23 0 0.0
5 AM 52 3.4 W 6.1 19 0 0.0
6 AM 51 2.3 W 5.9 20 3 0.0
7 AM -- 1.9 W 6.4 22 66 0.0
8 AM 52 2.2 NW 7.4 23 170 0.0
9 AM 53 3.3 W 7.6 22 292 0.0
10 AM 53 3.5 W 8.2 20 456 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 04/23/2014 11:42 AM  I   http://nature.nps.gov/air/data/current/data_GRCA-AS.cfm   I  Email: Webmaster