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 May 24, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 38 39
1 AM 41 40
2 AM 41 40
3 AM 40 41
4 AM 40 42
5 AM 37 42
6 AM 40 44
7 AM 41 44
8 AM 41 45
9 AM 44 --
10 AM 47 --
11 AM 47 --
12 PM 45 --
1 PM 47 --
Weather and Ozone Data Sunday May 24, 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 38 3.9 S 7.1 81 0 0.0
1 AM 41 3.9 SW 6.9 79 0 0.0
2 AM 41 3.4 SW 6.6 79 0 0.0
3 AM 40 2.9 SW 6.3 80 0 0.0
4 AM 40 2.9 S 6.0 80 0 0.0
5 AM 37 2.9 S 5.7 83 0 0.0
6 AM 40 3.6 S 5.7 81 3 0.0
7 AM 41 3.1 S 5.8 80 21 0.0
8 AM 41 3.2 S 6.1 79 58 0.0
9 AM 44 2.6 SW 6.7 78 73 0.0
10 AM 47 3.0 S 7.3 76 159 0.0
11 AM 47 3.5 SW 7.4 80 134 0.2
12 PM 45 3.2 S 6.5 94 133 0.4
1 PM 47 3.5 SW 7.5 91 223 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 05/24/2015 2:42 PM  I   http://www2.nature.nps.gov/air/data/current/data_GRCA-AS.cfm   I  Email: Webmaster