WISE-S100’s modular sensor bay accommodates up to 8 electrochemical and optical sensors simultaneously, enabling a single deployment to monitor the full urban air quality parameter set required by WHO and EPA standards. IP65 outdoor enclosure with solar panel option enables pole-top installation at streetlights and traffic signals without mains power cabling. LoRaWAN Class C connectivity achieves citywide coverage from a small number of gateways while sensor-level GPS timestamp correlation enables plume source attribution. WISE-PaaS cloud analytics dashboard generates compliance reports in PDF format for regulatory submissions. Dual-band cellular variant adds 4G LTE backup for high-reliability environmental enforcement applications.