Atmospheric CO₂ Monitoring Dashboard

The Keeling Curve - Continuous atmospheric CO₂ measurements from Mauna Loa Observatory, Hawaii (1958-Present)

Current CO₂

PPM ()

Increase

PPM Since 1958

Average Rate

PPM/Year

Recent Trend

PPM/Year (10yr)

Historic Record: 67+ years of continuous atmospheric CO₂ measurements
Acceleration: Rate of increase has nearly doubled from 1960s to today
Seasonal Cycle: 6-8 PPM annual variation from Northern Hemisphere vegetation
Pre-industrial: CO₂ was ~280 PPM for thousands of years before 1800
Milestone: Crossed 400 PPM threshold in 2013, now above PPM
Location: Mauna Loa Observatory at 3,397m elevation in Hawaii

Data: Scripps Institution of Oceanography, NOAA Earth System Research Laboratory