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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 17, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 41 39
1 AM 42 38
2 AM 41 37
3 AM 42 36
4 AM 38 34
5 AM 37 34
6 AM 36 34
7 AM 35 34
8 AM 36 34
9 AM 34 35
10 AM 32 35
11 AM 31 36
12 PM 32 37
1 PM 36 37
2 PM 37 38
3 PM 39 38
4 PM 39 38
5 PM 38 38
6 PM 38 38
7 PM 38 38
8 PM 38 38
9 PM 41 37
10 PM 40 36
11 PM 39 36
Weather and Ozone Data Wednesday September 17, 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 1.2 NE 18.6 54 0 0.0
1 AM 42 1.0 NE 18.8 53 0 0.0
2 AM 41 0.8 NE 18.5 55 0 0.0
3 AM 42 1.7 E 18.2 55 0 0.0
4 AM 38 1.7 E 17.3 60 0 0.0
5 AM 37 1.4 E 17.1 63 0 0.0
6 AM 36 1.3 E 16.5 66 0 0.0
7 AM 35 3.0 SE 15.5 72 14 0.0
8 AM 36 2.4 E 17.3 63 200 0.0
9 AM 34 2.2 E 18.3 60 408 0.0
10 AM 32 1.9 NE 19.1 57 573 0.0
11 AM 31 2.0 NE 19.7 56 770 0.0
12 PM 32 2.8 E 20.8 52 849 0.0
1 PM 36 3.5 E 21.5 48 856 0.0
2 PM 37 3.2 E 21.3 48 572 0.0
3 PM 39 2.9 NE 21.3 46 540 0.0
4 PM 39 2.9 E 21.8 42 514 0.0
5 PM 38 2.1 E 22.0 40 341 0.0
6 PM 38 1.8 E 21.5 41 154 0.0
7 PM 38 1.7 E 20.4 45 12 0.0
8 PM 38 2.3 SE 18.7 52 0 0.0
9 PM 41 3.2 E 19.5 50 0 0.0
10 PM 40 2.4 E 19.2 51 0 0.0
11 PM 39 2.6 E 19.1 53 0 0.0
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updated on 09/18/2014 2:40 PM  I   http://www.nature.nps.gov/air/data/current/data_GRCA-AS2.cfm   I  Email: Webmaster