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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 June 19, 2013 
Hour Ending
(Local Time)		 1-Hour Average
(parts per billion)		 8-Hour Average
(parts per billion)
12 AM 56 59
1 AM 55 60
2 AM 55 62
3 AM 57 63
4 AM 60 63
5 AM 64 63
6 AM 63 62
7 AM 63 62
8 AM 66 61
9 AM 69 60
10 AM 63 58
11 AM 58 57
12 PM 58 57
1 PM 60 56
2 PM 59 55
3 PM 58 53
4 PM 56 52
5 PM 55 51
6 PM 56 50
7 PM 54 49
8 PM 53 48
9 PM 49 46
10 PM 45 46
11 PM 48 46
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Weather and Ozone Data Wednesday June 19, 2013
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 56 4.5 S 18.3 13 0 0.0
1 AM 55 5.0 S 17.3 14 0 0.0
2 AM 55 4.6 S 16.8 14 0 0.0
3 AM 57 4.1 S 16.3 16 0 0.0
4 AM 60 4.2 S 16.0 17 0 0.0
5 AM 64 3.6 S 15.9 18 0 0.0
6 AM 63 4.0 S 15.5 19 24 0.0
7 AM 63 4.6 S 17.1 18 213 0.0
8 AM 66 5.7 S 18.9 17 417 0.0
9 AM 69 6.1 S 20.9 15 609 0.0
10 AM 63 6.0 S 22.5 11 774 0.0
11 AM 58 6.5 S 24.0 8 904 0.0
12 PM 58 6.4 S 25.3 7 982 0.0
1 PM 60 6.1 S 25.9 7 1009 0.0
2 PM 59 6.3 SW 26.4 7 988 0.0
3 PM 58 6.0 SW 26.7 7 917 0.0
4 PM 56 5.9 SW 26.5 7 791 0.0
5 PM 55 5.7 SW 26.4 8 624 0.0
6 PM 56 5.7 SW 25.8 9 429 0.0
7 PM 54 4.9 SW 24.8 10 225 0.0
8 PM 53 3.8 SW 23.1 11 37 0.0
9 PM 49 3.3 S 20.4 13 0 0.0
10 PM 45 3.9 S 18.3 15 0 0.0
11 PM 48 4.0 SW 18.0 17 0 0.0
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updated on 06/20/2013 5:39 AM  I   http://www.nature.nps.gov/air/data/current/data_GRCA-AS2.cfm   I  Email: Webmaster