Times Standard (Eureka)

Daily Average Mauna Loa CO2:

- Source: National Oceanic and Atmospheri­c Administra­tion; Mauna Loa Observator­y has been monitoring C02 levels since 1958

Week beginning on May 17, 2020: 416.97 ppm Weekly value from 1 year ago: 414.72 ppm Weekly value from 10years ago: 393.46 ppm Last updated: May 30, 2020

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