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 Wednesday August 26, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 51 47
1 AM 51 46
2 AM 48 45
3 AM 48 44
4 AM 48 43
5 AM 43 43
6 AM 43 43
7 AM 46 43
8 AM 43 42
9 AM 42 42
10 AM 42 42
11 AM 44 43
12 PM 45 43
1 PM 44 42
2 PM 43 43
3 PM 39 44
4 PM 39 45
5 PM 46 45
6 PM 46 46
7 PM 44 45
8 PM 42 46
9 PM 47 46
10 PM 49 46
11 PM 47 46
Weather and Ozone Data Wednesday August 26, 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 51 3.5 E 17.1 71 0 0.0
1 AM 51 2.1 E 16.9 72 0 0.0
2 AM 48 1.4 E 16.3 76 0 0.0
3 AM 48 1.1 E 16.5 76 0 0.0
4 AM 48 1.3 E 16.5 75 0 0.0
5 AM 43 2.0 SE 15.8 82 0 0.0
6 AM 43 2.3 SE 14.9 86 0 0.0
7 AM 46 1.2 E 14.7 89 8 1.8
8 AM 43 0.9 E 14.0 96 20 3.8
9 AM 42 2.1 S 15.3 93 267 0.0
10 AM 42 2.6 S 16.5 89 242 0.0
11 AM 44 2.3 SW 17.7 83 399 0.0
12 PM 45 2.8 W 19.0 73 528 0.0
1 PM 44 2.7 SW 19.3 72 620 0.0
2 PM 43 2.5 NW 19.0 77 324 0.0
3 PM 39 2.2 SW 18.8 77 134 0.0
4 PM 39 2.5 W 18.8 78 330 --
5 PM 46 1.8 NW 18.1 75 305 0.0
6 PM 46 1.4 N 18.6 70 254 0.0
7 PM 44 1.2 S 18.5 67 61 0.0
8 PM 42 1.4 N 17.0 77 1 0.0
9 PM 47 1.3 NW 16.8 71 0 0.0
10 PM 49 1.3 NW 17.4 63 0 0.0
11 PM 47 1.5 N 16.9 69 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 08/27/2015 7:43 PM  I   http://nature.nps.gov/air/data/current/data_GRCA-AS2.cfm   I  Email: Webmaster