Red colored line graph time series of global atmospheric methane abundance from January 1984 through July 2025. Methane abundance is measured in units of parts per billion. Current levels are 1928 ppb. A seasonal cycle is visible on the graph. There is also decadal variability and a long-term increasing trend.
Methane (CHβ) is a potent greenhouse gas. Here are the newest monthly-averaged observations... π§ͺβοΈ
July 2025 - 1927.61 ppb
July 2024 - 1920.39 ppb
+ Data: gml.noaa.gov/ccgg/trends_...
+ Learn more: doi.org/10.5194/essd...