In response to escalating global and national commitments to net-zero carbon targets, there is an increasing imperative to enhance awareness of carbon dioxide (CO₂) concentrations at the community level. This study investigates spatial patterns of CO₂ emissions across Wrexham County Borough, which comprises 34 administrative communities in northeastern Wales. By integrating satellite-derived CO₂ concentration datasets with official boundary data using Python-based geospatial libraries and online geographic information systems, we generated interactive spatial visualisations to identify persistent emission hotspots. The analysis reveals consistently elevated CO₂ levels in the northeastern communities, particularly Rossett and Holt. These visual outputs offer transparent, reproducible, and accessible insights to support evidence-based environmental planning, public engagement, and local policy development.