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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


Yesterday's Data   Data Timelines   Ozone Health Advisory  


Ozone Thursday August 21, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 41 37
1 AM 39 36
2 AM 35 35
3 AM 36 35
4 AM 39 36
5 AM 38 36
6 AM 35 36
7 AM 34 37
8 AM 35 38
9 AM 34 38
10 AM 36 39
11 AM 38 39
12 PM 40 39
1 PM 39 38
2 PM 42 38
3 PM 42 37
4 PM 40 --
5 PM 40 --
6 PM 36 --
7 PM 36 --
8 PM 33 --
Weather and Ozone Data Thursday August 21, 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 41 1.7 SE 16.4 56 -- 0.0
1 AM 39 2.1 SE 15.5 58 -- 0.0
2 AM 35 2.3 SE 14.8 62 0 0.0
3 AM 36 2.3 SE 15.1 61 0 0.0
4 AM 39 2.2 SE 15.6 57 0 0.0
5 AM 38 2.3 S 15.0 58 0 0.0
6 AM 35 2.6 S 14.1 64 1 0.0
7 AM 34 2.1 SE 14.5 64 36 0.0
8 AM 35 0.8 SE 15.9 61 158 0.0
9 AM 34 0.2 S 17.2 59 169 0.0
10 AM 36 0.4 SE 17.6 57 280 0.0
11 AM 38 1.0 S 18.7 52 462 0.0
12 PM 40 1.7 NE 19.2 49 845 0.0
1 PM 39 1.6 NE 19.3 49 531 0.0
2 PM 42 1.1 NE 20.2 39 446 0.0
3 PM 42 5.0 S 16.1 63 71 9.0
4 PM 40 5.1 S 12.4 89 44 0.4
5 PM 40 3.1 S 13.2 79 87 0.2
6 PM 36 2.4 SE 13.1 84 53 0.0
7 PM 36 2.9 S 13.0 82 10 0.7
8 PM 33 1.7 S 11.7 94 0 2.3
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updated on 08/21/2014 9:41 PM  I   http://nature.nps.gov/air/data/current/data_GRCA-AS.cfm   I  Email: Webmaster