National Park Service Arrowhead
Explore Air

Current Ozone and Weather Data in National Parks


Walden - Chandler Ranch, CO
EPA AQS Site Number: 08-057-0003


Today's Data   Data Timelines   Ozone Health Advisory  
Ozone Saturday August 1, 2015 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 38 23
1 AM 33 20
2 AM 30 19
3 AM 25 21
4 AM 18 23
5 AM 15 27
6 AM 13 33
7 AM 12 38
8 AM 17 44
9 AM 29 48
10 AM 39 52
11 AM 45 54
12 PM 53 55
1 PM 59 54
2 PM 56 52
3 PM 55 50
4 PM 55 48
5 PM 55 47
6 PM 54 44
7 PM 53 41
8 PM 46 37
9 PM 43 36
10 PM 44 35
11 PM 41 --
Weather and Ozone Data Saturday August 1, 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 38 1.8 N 12.5 61 0 0.0
1 AM 33 0.9 W 10.8 67 0 0.0
2 AM 30 2.5 S 8.8 72 0 0.0
3 AM 25 0.9 SE 7.8 78 0 0.0
4 AM 18 1.3 S 6.3 80 0 0.0
5 AM 15 1.2 SE 5.1 83 0 0.0
6 AM 13 1.6 S 3.7 87 1 0.0
7 AM 12 0.5 SE 4.8 84 49 0.0
8 AM 17 1.1 S 8.3 75 203 0.0
9 AM 29 1.1 S 12.8 61 386 0.0
10 AM 39 1.5 SW 17.2 51 561 0.0
11 AM 45 2.1 S 21.3 36 720 0.0
12 PM 53 2.2 S 24.1 23 842 0.0
1 PM 59 2.6 SW 25.5 14 979 0.0
2 PM 56 2.6 NW 25.9 14 486 0.0
3 PM 55 2.0 W 26.1 14 513 0.0
4 PM 55 3.0 NW 26.2 14 473 0.0
5 PM 55 2.9 N 26.6 14 393 0.0
6 PM 54 3.3 N 25.7 17 165 0.0
7 PM 53 2.9 NE 24.9 19 94 0.0
8 PM 46 2.7 NE 23.0 24 43 0.0
9 PM 43 3.0 NE 20.1 29 3 0.0
10 PM 44 3.7 N 18.2 31 0 0.0
11 PM 41 3.5 N 16.1 37 0 0.0
U.S. Department of the Interior Accessibility Freedom of Information Act USA.gov Search
Privacy Policy Disclaimer NPS Home Contact Us
updated on 08/02/2015 3:43 AM  I   http://www.nature.nps.gov/air/data/current/data_WALD-CR2.cfm   I  Email: Webmaster