CT-ACE Monthly Product

Datasets

Global land anthropogenic CO2 emissions at 0.25 degree monthly resolution.

Available Period

Monthly global land CO2 emissions from 2019-01 to 2026-04.

Files from 2019-01 to 2024-12 are hindcast products, while 2025-01 onward are rolling near-real-time products generated by the Carbon-Transformer pipeline.

Grid 720 x 1440 WGS84 global raster

Resolution 0.25 degree Longitude and latitude

Unit Tons CO2 Per month

Coverage & Access

Data products prepared for regional monitoring

Administrative Regions Region search uses the local GADM cache, covering countries, first-level administrative regions, and second-level administrative or city-level units.

Download Options Access monthly global GeoTIFF files through the API or download annual ZIP packages for offline analysis.

Display Units Emission values are stored as Tons CO2 per month and displayed as Tons, Kt, Mt, or Gt when appropriate.

Annual GeoTIFF Packages

Download monthly CT-ACE rasters by year

Select a year to download a ZIP package of all available monthly CT-ACE global GeoTIFF files.

Site Usage

Website visits --

Downloads --

Downloaded volume --

API Examples

Direct access for scripts and notebooks

GET /api/metadata/months
GET /api/emissions/query?region_id=gadm:admin1:CHN.26_1&month=2022-08
GET /api/download/raw-tif?month=2022-08
GET /api/download/year-zip?year=2026
GET /api/stats/usage

Citation Note

Keep product context attached to every exported result

When using CT-ACE outputs in presentations or downstream analysis, cite the Carbon Transformer manuscript and report the selected month, region, metric, product mode, and access date.