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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 Friday January 20, 2017 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 44 43
1 AM 44 43
2 AM 44 43
3 AM 44 43
4 AM 43 42
5 AM 43 43
6 AM 43 42
7 AM 42 42
8 AM 43 42
9 AM 43 42
10 AM 43 42
11 AM 43 42
12 PM 44 42
1 PM 42 42
2 PM 41 42
3 PM 43 41
4 PM 43 41
5 PM 44 40
6 PM 43 39
7 PM 42 39
8 PM 40 39
9 PM 40 40
10 PM 38 41
11 PM 38 42
Weather and Ozone Data Friday January 20, 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 44 4.2 SW -3.4 95 0 0.1
1 AM 44 4.1 SW -3.2 95 0 0.0
2 AM 44 4.9 SW -3.2 95 0 0.3
3 AM 44 4.4 SW -3.2 95 0 0.0
4 AM 43 3.7 SW -3.5 95 0 0.0
5 AM 43 3.5 SW -3.4 95 0 0.0
6 AM 43 4.0 SW -3.4 95 0 0.0
7 AM 42 3.2 SW -3.3 95 0 0.0
8 AM 43 4.3 SW -3.0 95 2 0.0
9 AM 43 4.3 SW -2.9 95 17 0.0
10 AM 43 3.8 S -2.6 95 104 0.0
11 AM 43 3.3 S -2.4 95 88 0.0
12 PM 44 4.5 S -2.6 95 140 0.0
1 PM 42 4.5 S -2.8 95 84 0.7
2 PM 41 4.0 S -2.4 95 106 0.0
3 PM 43 4.9 S -2.3 95 69 0.4
4 PM 43 5.2 S -2.3 95 66 0.2
5 PM 44 6.1 S -2.5 95 26 0.4
6 PM 43 6.1 S -2.4 95 4 1.1
7 PM 42 5.5 S -2.3 95 0 0.7
8 PM 40 5.9 S -2.2 95 0 0.7
9 PM 40 4.9 S -1.9 95 0 0.5
10 PM 38 4.4 S -2.0 95 0 1.5
11 PM 38 4.1 S -2.2 95 0 0.6
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updated on 01/21/2017 5:41 PM  I   http://nature.nps.gov/air/data/current/data_GRCA-AS2.cfm   I  Email: Webmaster