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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 Friday April 28, 2017 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 62 60
1 AM 62 60
2 AM 62 60
3 AM 62 --
4 AM 63 --
5 AM 59 --
6 AM 58 --
7 AM 59 --
Weather and Ozone Data Friday April 28, 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 62 3.2 NW 10.0 22 0 0.0
1 AM 62 2.9 NW 9.3 22 0 0.0
2 AM 62 3.0 NW 8.7 22 0 0.0
3 AM 62 2.4 NW 8.1 24 0 0.0
4 AM 63 3.1 NW 7.1 23 0 0.0
5 AM 59 3.2 NW 6.0 32 0 0.0
6 AM 58 4.4 NW 4.7 37 2 0.0
7 AM 59 3.5 NW 3.7 38 55 0.0
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updated on 04/28/2017 8:42 AM  I   http://nature.nps.gov/air/data/current/data_GRCA-AS.cfm   I  Email: Webmaster