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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 Tuesday March 31, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 54 54
1 AM 52 54
2 AM 51 55
3 AM 51 56
4 AM 55 --
5 AM 57 --
6 AM 58 --
7 AM 58 --
8 AM 57 --
Weather and Ozone Data Tuesday March 31, 2015
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 54 1.9 S 12.1 25 0 0.0
1 AM 52 2.3 SE 11.4 27 0 0.0
2 AM 51 2.5 SE 10.6 29 0 0.0
3 AM 51 2.9 SE 9.6 30 0 0.0
4 AM 55 2.5 S 11.8 26 0 0.0
5 AM 57 2.5 SW 12.2 25 0 0.0
6 AM 58 2.3 SW 12.1 25 0 0.0
7 AM 58 2.6 S 12.1 24 29 0.0
8 AM 57 1.5 S 13.4 25 210 0.0
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updated on 03/31/2015 9:40 AM  I   http://www2.nature.nps.gov/air/data/current/data_GRCA-AS.cfm   I  Email: Webmaster