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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 September 28, 2016 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 45 43
1 AM 42 43
2 AM 42 43
3 AM 45 43
4 AM 44 42
5 AM 43 42
6 AM 43 41
7 AM 44 42
8 AM 43 41
9 AM 42 40
10 AM 40 40
11 AM 40 39
12 PM 41 38
1 PM 42 38
2 PM 44 37
3 PM 40 36
4 PM 36 35
5 PM 37 35
6 PM 37 34
7 PM 34 34
8 PM 36 34
9 PM 36 --
10 PM 36 --
11 PM 33 --
Weather and Ozone Data Wednesday September 28, 2016
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 45 2.1 E 15.8 43 0 0.0
1 AM 42 2.5 S 14.8 47 0 0.0
2 AM 42 2.8 SE 13.8 54 0 0.0
3 AM 45 1.9 NE 14.4 50 0 0.0
4 AM 44 1.1 NE 14.6 49 0 0.0
5 AM 43 1.2 NE 14.5 50 0 0.0
6 AM 43 1.5 NE 14.4 50 0 0.0
7 AM 44 2.4 E 14.5 49 11 0.0
8 AM 43 1.9 E 15.2 49 206 0.0
9 AM 42 3.1 E 16.3 47 374 0.0
10 AM 40 3.5 E 16.5 49 422 0.0
11 AM 40 3.1 SE 16.0 53 265 0.0
12 PM 41 3.1 SE 16.4 51 470 0.0
1 PM 42 3.1 SE 17.8 45 667 0.0
2 PM 44 3.1 SE 18.6 41 380 0.0
3 PM 40 3.1 SE 17.0 51 396 0.0
4 PM 36 2.6 E 15.1 69 243 1.3
5 PM 37 2.0 E 14.7 67 62 0.0
6 PM 37 1.0 N 14.3 68 23 0.0
7 PM 34 0.9 SE 13.2 78 1 1.6
8 PM 36 1.4 NE 13.4 76 1 0.2
9 PM 36 2.1 E 12.9 79 2 1.2
10 PM 36 2.6 E 12.6 81 2 1.4
11 PM 33 2.3 E 11.9 87 2 0.0
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updated on 09/29/2016 3:42 AM  I   http://www.nature.nps.gov/air/data/current/data_GRCA-AS2.cfm   I  Email: Webmaster