Will the atmospheric CO2 levels in November be higher than in October?
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Every month, NASA's website releases data about carbon dioxide (CO2) levels in the atmosphere, as measured at the Mauna Loa Observatory, Hawaii. According to its latest report, with the average seasonal cycle removed, the concentration of CO2 on Earth's atmosphere reached 417.28 parts per million.
If data from the next report from NASA - expected to be released in the second half of December 2021 - indicates a concentration of CO2 in the atmosphere that is greater than 417.28 ppm, this forecast will be resolved as "YES".
Source: https://climate.nasa.gov/vital-signs/carbon-dioxide/