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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


Yesterday's Data   Data Timelines   Ozone Health Advisory  


Ozone Sunday September 21, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 38 34
1 AM 38 33
2 AM 35 32
3 AM 34 32
4 AM 34 32
5 AM 33 32
6 AM 31 33
7 AM 30 33
8 AM 31 34
9 AM 33 34
10 AM 34 --
11 AM 36 --
12 PM 35 --
1 PM 34 --
2 PM 36 --
Weather and Ozone Data Sunday September 21, 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 38 1.7 E 18.0 57 0 0.0
1 AM 38 1.8 E 17.6 60 0 0.0
2 AM 35 2.1 SE 16.6 65 0 0.0
3 AM 34 1.5 SE 16.4 67 0 0.0
4 AM 34 1.9 S 15.5 73 0 0.0
5 AM 33 2.0 S 15.5 76 0 0.0
6 AM 31 2.1 S 15.4 79 0 0.0
7 AM 30 3.0 S 15.3 80 22 0.0
8 AM 31 3.1 S 16.6 78 176 0.0
9 AM 33 3.3 S 18.0 68 310 0.0
10 AM 34 3.4 S 19.3 57 566 0.0
11 AM 36 2.9 SW 19.6 58 440 0.0
12 PM 35 3.5 SW 20.5 52 546 0.0
1 PM 34 3.7 SW 21.3 48 457 0.0
2 PM 36 4.4 SW 22.4 43 607 0.0
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updated on 09/21/2014 3:40 PM  I   http://www2.nature.nps.gov/air/data/current/data_GRCA-AS.cfm   I  Email: Webmaster