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 September 3, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 33 36
1 AM 34 36
2 AM 37 36
3 AM 39 36
4 AM 38 36
5 AM 37 37
6 AM 36 37
7 AM 34 37
8 AM 34 38
9 AM 36 39
10 AM 39 39
11 AM 40 39
12 PM 41 39
1 PM 40 39
2 PM 39 38
3 PM 39 38
4 PM 39 38
5 PM 39 38
6 PM 40 38
7 PM 39 38
8 PM 37 38
9 PM 38 38
10 PM 39 37
11 PM 36 37
Weather and Ozone Data Thursday September 3, 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 33 5.2 S 16.3 44 0 0.0
1 AM 34 4.7 S 15.9 45 0 0.0
2 AM 37 4.6 S 15.6 45 0 0.0
3 AM 39 4.9 S 15.5 46 0 0.0
4 AM 38 4.7 S 15.2 48 0 0.0
5 AM 37 3.4 S 15.1 52 0 0.0
6 AM 36 3.3 S 14.8 56 0 0.0
7 AM 34 3.3 S 14.8 59 37 0.0
8 AM 34 2.8 S 16.7 56 222 0.0
9 AM 36 3.1 S 18.3 45 326 0.0
10 AM 39 3.7 SW 20.2 30 596 0.0
11 AM 40 4.1 SW 21.5 26 772 0.0
12 PM 41 4.9 SW 22.2 24 838 0.0
1 PM 40 5.1 SW 22.7 23 880 0.0
2 PM 39 4.2 SW 23.6 23 846 0.0
3 PM 39 4.0 SW 24.0 24 757 0.0
4 PM 39 4.4 SW 24.3 24 545 0.0
5 PM 39 4.2 SW 24.2 24 431 0.0
6 PM 40 4.4 SW 23.4 26 212 0.0
7 PM 39 3.6 SW 21.5 29 26 0.0
8 PM 37 3.9 SW 19.7 33 0 0.0
9 PM 38 5.1 SW 18.9 36 0 0.0
10 PM 39 5.5 S 18.7 39 0 0.0
11 PM 36 5.6 S 17.4 44 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 09/04/2015 2:41 PM  I   http://www.nature.nps.gov/air/data/current/data_GRCA-AS2.cfm   I  Email: Webmaster