Climate TRACE reported that global greenhouse gas (GHG) emissions for the month of April 2026 totaled 4.9 billion tonnes CO₂e. This represents an increase of 0.1% vs. April 2025. Total global year-to-date emissions are 20.1 billion tonnes CO₂e. This is 0.1% lower than 2025’s year-to-date total for the same time period. Global methane emissions in April 2026 were 33.5 million tonnes CH₄, an increase of 0.1% vs. April 2025.

Data tables summarizing GHG and primary particulate matter (PM2.5) emissions totals by sector, country, and the top 100 urban areas for April 2026 are available for download here.

Greenhouse Gas Emissions by Country: April 2026

Climate TRACE’s preliminary estimate of April 2026 emissions in China, the world’s top emitting country, is 1.4 billion tonnes CO₂e, a decline of 3.9 million tonnes of CO₂e, or 0.3% vs. April 2025.

Of the other top five emitting countries:

In the EU, which as a bloc would be the fourth largest source of emissions in April 2026, emissions increased by 2.3 million tonnes CO₂e compared to April 2025, or 0.8%.

Data on all other countries and territories are available in our Country/Territory Inventory.

Greenhouse Gas Emissions by Sector: April 2026

Greenhouse gas emissions increased in April 2026 vs. April 2025 in buildings, power, and waste, and decreased in fossil fuel operations, manufacturing, and transportation. Buildings saw the greatest change in emissions year over year, with emissions increasing by 2.4% as compared to April 2025.

Greenhouse Gas Emissions by City: April 2026

The urban areas with the highest total GHG emissions in April 2026 were Shanghai, China; Tokyo, Japan; Los Angeles, United States; New York, United States; and Houston, United States.

The urban areas with the greatest increases in absolute emissions in April 2026 as compared to April 2025 were Tehran, Iran; Chicago, United States; Opole, Poland; Butibori, India; and Mannheim, Germany. Those with the largest absolute emissions declines between this April and last April were Dubai, United Arab Emirates; Detroit, United States; Holland, United States; Newcastle, Australia; and Rotterdam [The Hague], Netherlands.

The urban areas with the greatest increases in emissions as a percentage of their total emissions were Butibori, India; Uruguaiana, Brazil; Mansa Nagar, India; Zenica, Bosnia and Herzegovina; and Opole, Poland. Those with the greatest decreases by percentage were Lufeng, China; Yenakiieve, Ukraine; Monclova, México; Mariupol, Ukraine; and Lueyang, China.