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 Thursday July 24, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 44 45
1 AM 45 45
2 AM 44 46
3 AM 44 47
4 AM 45 48
5 AM 46 49
6 AM 46 50
7 AM 47 50
8 AM 50 51
9 AM 49 51
10 AM 52 51
11 AM 54 51
12 PM 53 --
1 PM 51 --
2 PM 50 --
3 PM 52 --
4 PM 49 --
Weather and Ozone Data Thursday July 24, 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 44 5.7 S 24.5 32 -- 0.0
1 AM 45 5.4 S 23.6 37 -- 0.0
2 AM 44 4.8 S 22.8 42 -- 0.0
3 AM 44 4.1 S 22.0 46 -- 0.0
4 AM 45 3.1 S 21.6 48 -- 0.0
5 AM 46 2.8 S 21.6 48 -- 0.0
6 AM 46 2.7 S 20.8 50 2 0.0
7 AM 47 1.4 S 21.6 48 91 0.0
8 AM 50 1.5 S 23.4 43 190 0.0
9 AM 49 2.3 S 23.9 42 335 0.0
10 AM 52 3.5 S 24.9 39 463 0.0
11 AM 54 3.0 SW 26.1 35 472 0.0
12 PM 53 2.9 SW 26.5 31 550 0.0
1 PM 51 2.0 W 27.2 29 616 0.0
2 PM 50 1.7 SW 27.5 29 574 --
3 PM 52 1.4 NE 27.2 30 319 0.0
4 PM 49 1.3 S 27.4 29 150 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 07/24/2014 8:46 PM  I   http://www2.nature.nps.gov/air/data/current/data_GRCA-AS.cfm   I  Email: Webmaster