datoid

Atmospheric CO₂ at Mauna Loa reached 431.12 ppm on April 15, 2026, sitting 2.1 standard deviations above the recent mean of 421.17 ppm. This represents a notable departure from the typical seasonal fluctuation pattern we've observed over the past year. Concurrently, several economic indicators hit records: GDP growth (+1.4%), Consumer Price Index peak, and 10-Year Treasury yields at highs. Global temperature anomalies also increased 9.3% over three months to 1.18°C. The timing raises questions about whether this CO₂ spike reflects measurement variation, seasonal factors, or something worth investigating further alongside these concurrent economic and temperature patterns.