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


Today's Data   Data Timelines   Ozone Health Advisory  
Ozone Thursday October 30, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 47 44
1 AM 45 44
2 AM 46 44
3 AM 44 43
4 AM 44 43
5 AM 43 43
6 AM 43 43
7 AM 43 43
8 AM 44 43
9 AM 45 43
10 AM 44 42
11 AM 43 42
12 PM 43 42
1 PM 43 42
2 PM 43 42
3 PM 43 42
4 PM 42 42
5 PM 42 42
6 PM 42 42
7 PM 43 42
8 PM 43 42
9 PM 43 42
10 PM 42 42
11 PM 42 42
Weather and Ozone Data Thursday October 30, 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 47 1.5 E 14.7 22 0 0.0
1 AM 45 2.0 E 14.1 24 0 0.0
2 AM 46 1.4 NE 14.6 23 0 0.0
3 AM 44 1.6 NE 14.3 25 0 0.0
4 AM 44 1.6 NE 13.8 25 0 0.0
5 AM 43 1.9 NE 13.3 26 0 0.0
6 AM 43 2.1 NE 13.2 26 0 0.0
7 AM 43 1.6 NE 12.9 27 2 0.0
8 AM 44 2.0 NE 13.2 26 89 0.0
9 AM 45 2.5 E 14.3 24 283 0.0
10 AM 44 2.6 E 15.5 22 452 0.0
11 AM 43 2.9 E 16.4 20 580 0.0
12 PM 43 2.6 E 16.7 19 653 0.0
1 PM 43 2.8 E 16.9 18 662 0.0
2 PM 43 2.8 E 17.3 18 611 0.0
3 PM 43 2.5 NE 17.7 18 517 0.0
4 PM 42 2.1 NE 17.6 18 258 0.0
5 PM 42 1.8 E 16.9 19 89 0.0
6 PM 42 1.7 E 15.9 20 7 0.0
7 PM 43 2.3 E 15.4 21 0 0.0
8 PM 43 2.5 SE 14.3 23 0 0.0
9 PM 43 3.3 SE 13.8 24 0 0.0
10 PM 42 3.3 SE 13.3 26 0 0.0
11 PM 42 3.3 S 12.9 27 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 10/31/2014 12:40 PM  I   http://www.nature.nps.gov/air/data/current/data_GRCA-AS2.cfm   I  Email: Webmaster