The National Institute for Environmental Studies (NIES), the Ministry of the Environment of Japan (MOE), and the Japan ...

Between 2023 and 2024, the concentration of carbon dioxide in the atmosphere rose by 3.58 parts per million (ppm), to reach a total of 427 ppm—the largest increase between calendar years ...

The monitor works by showing you parts per million, a common method to measure carbon dioxide particles in the ... The app also includes a history chart so you can see patterns over time.