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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 April 22, 2017 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 59 56
1 AM 58 55
2 AM 57 55
3 AM 57 54
4 AM 56 54
5 AM 55 54
6 AM 54 54
7 AM 54 54
8 AM 54 54
9 AM 53 54
10 AM 54 54
11 AM 55 54
12 PM 55 54
1 PM 55 54
2 PM 55 53
3 PM 55 53
4 PM 55 53
5 PM 54 53
6 PM 54 53
7 PM 53 53
8 PM 53 53
9 PM 52 53
10 PM 52 53
11 PM 53 53
Weather and Ozone Data Saturday April 22, 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 59 2.4 N 10.3 25 0 0.0
1 AM 58 1.6 N 10.0 26 0 0.0
2 AM 57 1.2 NE 9.8 26 0 0.0
3 AM 57 1.2 NE 9.2 28 0 0.0
4 AM 56 1.4 NE 8.8 29 0 0.0
5 AM 55 1.2 NE 8.3 30 0 0.0
6 AM 54 1.3 NE 7.7 31 3 0.0
7 AM 54 1.3 NE 7.8 31 105 0.0
8 AM 54 1.8 NE 8.6 31 318 0.0
9 AM 53 1.6 NE 9.1 30 532 0.0
10 AM 54 1.9 NE 9.7 30 688 0.0
11 AM 55 2.0 NE 10.9 28 841 0.0
12 PM 55 2.3 NE 11.8 27 914 0.0
1 PM 55 2.4 N 12.8 26 940 0.0
2 PM 55 2.3 N 13.8 24 907 0.0
3 PM 55 2.6 N 14.9 23 823 0.0
4 PM 55 2.2 N 15.6 22 671 0.0
5 PM 54 1.8 N 16.3 21 491 0.0
6 PM 54 1.5 N 16.5 21 278 0.0
7 PM 53 1.3 NE 15.9 22 64 0.0
8 PM 53 2.1 SE 14.8 24 1 0.0
9 PM 52 1.9 SE 14.4 24 0 0.0
10 PM 52 1.4 E 14.2 24 0 0.0
11 PM 53 2.6 E 13.8 23 0 0.0
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updated on 04/23/2017 2:42 PM  I   http://www.nature.nps.gov/air/data/current/data_GRCA-AS2.cfm   I  Email: Webmaster