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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 Monday July 21, 2014 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 27 26
1 AM 26 26
2 AM 27 27
3 AM 26 27
4 AM 26 28
5 AM 27 29
6 AM 27 30
7 AM 28 31
8 AM 28 32
9 AM 28 34
10 AM 28 35
11 AM 33 37
12 PM 33 38
1 PM 36 39
2 PM 38 39
3 PM 38 39
4 PM 39 38
5 PM 41 37
6 PM 42 37
7 PM 41 36
8 PM 39 35
9 PM 37 35
10 PM 35 35
11 PM 34 35
Weather and Ozone Data Monday July 21, 2014
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 27 3.6 S 18.5 30 0 0.0
1 AM 26 3.0 SW 17.3 31 0 0.0
2 AM 27 3.0 S 16.9 33 0 0.0
3 AM 26 2.9 SW 16.2 35 0 0.0
4 AM 26 2.4 S 15.2 38 0 0.0
5 AM 27 2.5 S 15.3 37 0 0.0
6 AM 27 2.7 S 15.1 38 4 0.0
7 AM 28 2.0 S 17.4 35 146 0.0
8 AM 28 2.7 SW 19.8 31 345 0.0
9 AM 28 3.1 SW 21.6 27 541 0.0
10 AM 28 4.0 SW 22.8 25 716 0.0
11 AM 33 4.5 SW 24.0 24 853 0.0
12 PM 33 3.2 SW 25.0 21 941 0.0
1 PM 36 3.7 SW 26.5 18 972 0.0
2 PM 38 3.3 SW 27.2 17 950 0.0
3 PM 38 3.6 SW 27.7 17 872 0.0
4 PM 39 3.8 SW 28.1 16 741 0.0
5 PM 41 3.7 SW 28.2 16 569 0.0
6 PM 42 3.6 SW 27.9 16 372 0.0
7 PM 41 3.0 W 27.0 15 175 0.0
8 PM 39 2.5 SW 25.3 16 22 0.0
9 PM 37 2.9 SW 23.7 18 -- 0.0
10 PM 35 3.0 SW 22.4 19 -- 0.0
11 PM 34 3.2 SW 21.2 21 0 0.0
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updated on 07/22/2014 8:40 AM  I   http://nature.nps.gov/air/data/current/data_GRCA-AS2.cfm   I  Email: Webmaster