Minnesota Star Tribune

Recent carbon dioxide measurements

Holding steady close to 400 ppm

March 25, 2015 at 4:12PM

Week beginning on March 15, 2015: 400.76 ppm
Weekly value from 1 year ago: 400.61 ppm
Weekly value from 10 years ago: 381.26 ppm

Daily Average
March 23 - 401.61
March 22 - 401.22
March 21 - 400.73
March 20 - 399.92
March 19 - 400.06

Recent Monthly Average
February 2015: 400.26 ppm
February 2014: 397.91 ppm

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