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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 Saturday April 19, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 52 53
1 AM 53 54
2 AM 52 54
3 AM 54 54
4 AM 53 54
5 AM 56 53
6 AM 56 53
7 AM 55 53
8 AM 54 52
9 AM 53 52
10 AM 52 52
11 AM 53 52
12 PM 52 51
1 PM 52 50
2 PM 53 50
3 PM 53 48
4 PM 52 47
5 PM 51 46
6 PM 50 46
7 PM 45 45
8 PM 49 45
9 PM 47 --
10 PM 44 --
11 PM 45 --
Weather and Ozone Data Saturday April 19, 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 52 4.1 S 6.7 82 0 0.0
1 AM 53 3.3 S 6.5 83 0 0.0
2 AM 52 2.6 S 6.1 86 0 0.1
3 AM 54 1.1 NE 6.8 80 0 0.1
4 AM 53 1.6 NE 6.8 80 0 0.0
5 AM 56 1.6 N 7.3 73 0 0.0
6 AM 56 1.3 NE 7.7 68 1 0.0
7 AM 55 1.4 NE 8.3 65 101 0.0
8 AM 54 1.5 NE 9.6 60 316 0.0
9 AM 53 1.5 NE 10.3 59 575 0.0
10 AM 52 2.0 NE 10.8 57 567 0.0
11 AM 53 2.3 N 11.5 53 618 0.0
12 PM 52 1.6 N 12.1 51 482 0.0
1 PM 52 1.4 NE 11.4 57 244 0.6
2 PM 53 1.6 NE 11.8 54 552 0.0
3 PM 53 1.9 N 13.1 46 595 0.0
4 PM 52 1.8 NE 10.2 64 53 6.6
5 PM 51 1.5 NE 9.9 66 90 0.1
6 PM 50 1.6 E 10.2 64 119 0.0
7 PM 45 1.7 SE 10.7 65 103 0.0
8 PM 49 2.2 SE 10.3 59 0 0.0
9 PM 47 2.4 SE 9.5 66 -- 0.0
10 PM 44 2.8 S 8.7 70 -- 0.0
11 PM 45 3.0 S 8.6 68 -- 0.0
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updated on 04/20/2014 4:40 AM  I   http://www2.nature.nps.gov/air/data/current/data_GRCA-AS2.cfm   I  Email: Webmaster