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 Saturday November 22, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 36 38
1 AM 37 38
2 AM 37 39
3 AM 38 39
4 AM 39 40
5 AM 39 41
6 AM 39 42
7 AM 40 43
8 AM 40 44
9 AM 40 45
10 AM 43 46
11 AM 44 47
12 PM 46 47
1 PM 47 47
2 PM 47 47
3 PM 49 47
4 PM 49 --
5 PM 49 --
6 PM 48 --
7 PM 46 --
8 PM 44 --
Weather and Ozone Data Saturday November 22, 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 36 0.5 SE 6.0 35 0 0.0
1 AM 37 0.7 SW 5.4 37 0 0.0
2 AM 37 0.9 W 5.0 38 0 0.0
3 AM 38 1.3 SW 4.0 40 0 0.0
4 AM 39 1.6 SW 3.7 42 0 0.0
5 AM 39 1.4 SW 3.7 41 0 0.0
6 AM 39 1.7 SW 4.0 41 0 0.0
7 AM 40 1.9 SW 4.1 40 0 0.0
8 AM 40 1.8 SW 3.7 42 28 0.0
9 AM 40 1.8 SW 4.7 41 191 0.0
10 AM 43 2.9 SW 6.7 37 344 0.0
11 AM 44 3.6 SW 8.1 33 471 0.0
12 PM 46 4.3 SW 8.8 31 433 0.0
1 PM 47 4.7 SW 9.5 29 454 0.0
2 PM 47 5.5 SW 10.9 25 475 0.0
3 PM 49 5.7 W 11.6 22 392 0.0
4 PM 49 5.1 W 11.3 22 201 0.0
5 PM 49 4.8 SW 10.7 24 97 0.0
6 PM 48 4.2 SW 9.1 28 2 0.0
7 PM 46 3.4 SW 7.5 30 0 0.0
8 PM 44 2.7 SW 5.2 36 0 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 11/22/2014 8:39 PM  I   http://www2.nature.nps.gov/air/data/current/data_GRCA-AS.cfm   I  Email: Webmaster