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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 July 23, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 46 41
1 AM 43 40
2 AM 43 40
3 AM 44 39
4 AM 41 38
5 AM 40 38
6 AM 39 39
7 AM 38 39
8 AM 38 40
9 AM 37 41
10 AM 37 42
11 AM 39 43
12 PM 41 44
1 PM 43 45
2 PM 44 45
3 PM 45 44
4 PM 46 44
5 PM 46 43
6 PM 47 43
7 PM 47 43
8 PM 45 42
9 PM 42 42
10 PM 40 43
11 PM 39 44
Weather and Ozone Data Wednesday July 23, 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 46 2.5 SW 25.5 24 0 0.0
1 AM 43 3.4 S 23.5 27 0 0.0
2 AM 43 3.1 S 22.5 29 0 0.0
3 AM 44 2.8 SE 21.4 31 0 0.0
4 AM 41 2.0 SE 21.7 29 0 0.0
5 AM 40 1.7 N 23.8 23 0 0.0
6 AM 39 0.7 N 24.5 21 8 0.0
7 AM 38 0.9 NE 24.9 20 154 0.0
8 AM 38 1.4 NE 25.4 19 331 0.0
9 AM 37 1.6 NE 26.0 19 508 0.0
10 AM 37 1.7 NE 26.8 20 683 0.0
11 AM 39 1.9 NE 27.8 20 889 0.0
12 PM 41 2.2 NE 28.2 20 633 0.0
1 PM 43 1.8 NE 29.1 19 590 0.0
2 PM 44 2.0 NE 30.1 18 754 0.0
3 PM 45 1.6 E 29.9 18 390 0.0
4 PM 46 1.6 E 30.2 18 268 0.0
5 PM 46 2.0 S 30.1 18 189 0.0
6 PM 47 1.8 SW 30.1 17 216 0.0
7 PM 47 1.6 SW 29.9 18 113 0.0
8 PM 45 2.5 SW 28.3 22 5 0.0
9 PM 42 2.6 SW 26.9 25 0 0.0
10 PM 40 3.3 S 26.0 27 -- 0.0
11 PM 39 4.8 S 25.1 30 -- 0.0
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updated on 07/24/2014 10:40 AM  I   http://www2.nature.nps.gov/air/data/current/data_GRCA-AS2.cfm   I  Email: Webmaster