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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 Thursday October 19, 2017 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 46 43
1 AM 46 43
2 AM 43 43
3 AM 41 43
4 AM 42 44
5 AM 42 44
6 AM 44 45
7 AM 45 45
8 AM 44 45
9 AM 44 45
10 AM 46 45
11 AM 47 --
12 PM 45 --
1 PM 46 --
2 PM 45 --
3 PM 44 --
Weather and Ozone Data Thursday October 19, 2017
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 1.3 SE 15.8 36 0 0.0
1 AM 46 2.5 S 13.8 40 0 0.0
2 AM 43 2.8 S 12.9 41 0 0.0
3 AM 41 2.8 S 12.4 40 0 0.0
4 AM 42 2.6 SE 12.4 41 0 0.0
5 AM 42 2.3 SE 12.6 41 0 0.0
6 AM 44 2.2 SE 12.6 41 0 0.0
7 AM 45 1.8 S 13.2 40 16 0.0
8 AM 44 1.7 S 13.0 43 127 0.0
9 AM 44 1.8 SE 13.6 38 62 0.0
10 AM 46 2.0 SE 16.4 29 502 0.0
11 AM 47 2.6 S 18.2 24 631 0.0
12 PM 45 3.8 SW 19.3 24 714 0.0
1 PM 46 3.7 SW 19.4 25 594 0.0
2 PM 45 4.3 SW 19.5 25 414 0.0
3 PM 44 4.5 SW 18.5 26 185 0.0
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updated on 10/19/2017 4:45 PM  I   http://nature.nps.gov/air/data/current/data_GRCA-AS.cfm   I  Email: Webmaster