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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 October 29, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 43 41
1 AM 43 41
2 AM 43 41
3 AM 41 41
4 AM 40 41
5 AM 42 41
6 AM 41 42
7 AM 40 42
8 AM 40 43
9 AM 43 44
10 AM 41 44
11 AM 43 45
12 PM 45 46
1 PM 46 46
2 PM 45 46
3 PM 45 46
4 PM 46 46
5 PM 46 47
6 PM 47 46
7 PM 48 46
8 PM 47 46
9 PM 47 45
10 PM 47 45
11 PM 47 44
Weather and Ozone Data Wednesday October 29, 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 43 1.1 NE 13.2 27 0 0.0
1 AM 43 1.4 NE 13.4 26 0 0.0
2 AM 43 1.0 NE 12.5 28 0 0.0
3 AM 41 1.3 NE 11.8 30 0 0.0
4 AM 40 1.7 NE 11.7 29 0 0.0
5 AM 42 1.9 E 12.0 28 0 0.0
6 AM 41 1.8 NE 11.5 29 0 0.0
7 AM 40 1.9 NE 10.8 30 2 0.0
8 AM 40 1.8 NE 11.0 29 89 0.0
9 AM 43 1.5 E 13.1 25 282 0.0
10 AM 41 1.4 NE 14.4 25 448 0.0
11 AM 43 1.6 NE 14.4 24 573 0.0
12 PM 45 1.6 NE 15.5 22 644 0.0
1 PM 46 1.7 NE 16.3 22 655 0.0
2 PM 45 1.8 NE 16.8 23 598 0.0
3 PM 45 1.9 NE 16.8 23 491 0.0
4 PM 46 1.7 N 16.9 23 339 0.0
5 PM 46 1.0 N 16.6 23 127 0.0
6 PM 47 1.0 E 16.1 23 8 0.0
7 PM 48 1.0 NE 15.9 21 0 0.0
8 PM 47 1.7 E 15.7 21 0 0.0
9 PM 47 1.8 E 15.4 22 0 0.0
10 PM 47 1.7 E 15.3 22 0 0.0
11 PM 47 1.5 NE 15.3 22 0 0.0
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updated on 10/30/2014 9:40 PM  I   http://www2.nature.nps.gov/air/data/current/data_GRCA-AS2.cfm   I  Email: Webmaster