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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 Sunday March 29, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 57 56
1 AM 54 56
2 AM 51 57
3 AM 55 58
4 AM 58 58
5 AM 58 58
6 AM 58 58
7 AM 59 58
8 AM 58 57
9 AM 60 57
10 AM 59 57
11 AM 59 57
12 PM 59 57
1 PM 57 57
2 PM 56 56
3 PM 55 55
4 PM 56 55
5 PM 58 54
6 PM 58 54
7 PM 58 53
8 PM 58 53
9 PM 52 52
10 PM 51 53
11 PM 51 53
Weather and Ozone Data Sunday March 29, 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 57 1.9 SW 14.0 22 0 0.0
1 AM 54 2.5 S 12.1 25 0 0.0
2 AM 51 3.2 S 10.4 30 0 0.0
3 AM 55 2.9 SW 11.4 29 0 0.0
4 AM 58 2.7 W 12.7 26 0 0.0
5 AM 58 2.3 SW 12.0 27 0 0.0
6 AM 58 1.4 SW 12.3 26 0 0.0
7 AM 59 0.7 SE 13.0 26 23 0.0
8 AM 58 0.7 SE 14.0 26 200 0.0
9 AM 60 0.8 NE 15.5 22 406 0.0
10 AM 59 1.4 N 16.0 22 592 0.0
11 AM 59 1.9 NE 16.2 21 738 0.0
12 PM 59 1.9 NE 16.8 20 846 0.0
1 PM 57 2.0 N 17.6 20 870 0.0
2 PM 56 2.0 N 18.2 19 830 0.0
3 PM 55 1.5 N 19.0 18 683 0.0
4 PM 56 1.9 N 18.7 18 434 0.0
5 PM 58 1.8 N 18.9 17 323 0.0
6 PM 58 1.7 N 18.7 17 219 0.0
7 PM 58 0.8 N 18.3 17 45 0.0
8 PM 58 1.4 SE 17.2 18 0 0.0
9 PM 52 4.4 S 13.8 25 0 0.0
10 PM 51 4.4 S 13.0 26 0 0.0
11 PM 51 3.8 S 11.8 28 0 0.0
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updated on 03/30/2015 4:46 PM  I   http://nature.nps.gov/air/data/current/data_GRCA-AS2.cfm   I  Email: Webmaster