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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 Saturday January 31, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 24 25
1 AM 23 25
2 AM 24 26
3 AM 30 26
4 AM 29 25
5 AM 24 25
6 AM 25 25
7 AM 26 26
8 AM 26 26
9 AM 25 27
10 AM 24 27
11 AM 25 28
12 PM 26 29
1 PM 28 29
2 PM 28 29
3 PM 30 29
4 PM 31 29
5 PM 28 28
6 PM 31 28
7 PM 30 28
8 PM 30 27
9 PM 27 27
10 PM 28 28
11 PM 27 28
Weather and Ozone Data Saturday January 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 24 1.5 SE 2.6 95 0 0.3
1 AM 23 0.9 SE 2.6 95 0 0.1
2 AM 24 0.9 S 2.8 95 0 0.0
3 AM 30 1.4 S 2.7 95 0 0.0
4 AM 29 0.8 S 2.5 95 0 0.0
5 AM 24 0.8 NE 1.7 95 0 0.0
6 AM 25 1.0 NE 1.5 95 0 0.1
7 AM 26 0.9 NE 1.4 95 0 0.0
8 AM 26 1.2 NE 0.7 95 5 0.0
9 AM 25 1.4 NE 0.6 95 42 0.0
10 AM 24 1.2 NE 0.9 95 150 0.0
11 AM 25 1.4 NE 0.9 95 248 0.0
12 PM 26 1.7 NE 1.4 95 338 0.0
1 PM 28 1.6 NE 1.7 95 502 0.0
2 PM 28 1.8 NE 1.5 95 414 0.0
3 PM 30 1.7 NE 2.1 95 455 0.0
4 PM 31 1.5 N 2.7 95 335 0.0
5 PM 28 1.3 NE 2.3 95 123 0.0
6 PM 31 1.1 N 2.4 95 28 0.0
7 PM 30 1.0 NE 2.3 95 0 0.0
8 PM 30 1.4 NE 2.9 95 0 0.0
9 PM 27 1.0 N 1.8 94 0 0.0
10 PM 28 1.8 N 2.3 94 0 0.0
11 PM 27 1.6 N 2.4 94 0 0.0
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updated on 02/01/2015 8:40 AM  I   http://www2.nature.nps.gov/air/data/current/data_GRCA-AS2.cfm   I  Email: Webmaster