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Current Ozone and Weather Data in National Parks


Chiricahua National Monument - Entrance Station, AZ
EPA AQS Site Number: 04-003-8001


Today's Data   Data Timelines   Ozone Health Advisory  
Ozone Thursday July 20, 2017 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 26 21
1 AM 21 23
2 AM 15 26
3 AM 15 29
4 AM 20 32
5 AM 22 34
6 AM 26 37
7 AM 29 40
8 AM 39 43
9 AM 42 45
10 AM 46 47
11 AM -- 47
12 PM 40 46
1 PM 41 46
2 PM 46 45
3 PM 52 42
4 PM 54 39
5 PM 51 35
6 PM 45 31
7 PM 45 28
8 PM 35 24
9 PM 32 21
10 PM 28 19
11 PM 24 17
Weather and Ozone Data Thursday July 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 26 2.1 E 18.6 92 0 0.0
1 AM 21 2.2 E 18.2 93 0 0.0
2 AM 15 1.4 E 17.6 96 0 0.0
3 AM 15 0.5 NE 17.1 95 0 0.0
4 AM 20 0.5 NW 16.9 94 0 0.0
5 AM 22 0.6 NE 16.9 94 0 0.0
6 AM 26 0.6 E 17.2 93 8 0.0
7 AM 29 0.5 NE 18.2 90 118 0.0
8 AM 39 0.7 W 20.2 83 344 0.0
9 AM 42 1.8 W 21.1 80 348 0.0
10 AM 46 1.5 W 22.0 75 597 0.0
11 AM -- 1.2 NW 22.5 75 203 0.0
12 PM 40 1.4 E 21.7 84 218 0.6
1 PM 41 1.6 S 22.0 82 386 0.4
2 PM 46 0.9 NE 25.1 64 894 0.0
3 PM 52 1.8 NW 26.8 55 647 0.0
4 PM 54 3.2 NE 25.9 56 354 0.5
5 PM 51 3.8 NE 19.4 87 53 9.4
6 PM 45 2.2 N 19.7 92 12 --
7 PM 45 1.9 E 19.4 90 6 1.0
8 PM 35 2.2 E 19.3 94 1 0.4
9 PM 32 3.1 E 19.0 93 0 0.2
10 PM 28 3.3 E 18.7 94 0 0.0
11 PM 24 2.9 E 18.8 94 0 0.0
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updated on 07/21/2017 8:40 AM  I   http://www.nature.nps.gov/air/data/current/data_CHIR-ES2.cfm   I  Email: Webmaster