Ambient Air Quality Monitoring Systems (AAQMS) are automated systems used for continuous monitoring of ambient air quality in industrial, urban and environmentally sensitive areas. The system measures concentrations of key air pollutants such as PM₁₀, PM₂.₅, SO₂, NOx, CO, O₃ and NH₃, along with meteorological parameters including temperature, relative humidity, wind speed, wind direction, rainfall and atmospheric pressure. AAQMS typically comprises analyzers, sample collection and conditioning systems, calibration facilities and a data acquisition and handling system housed within a weatherproof analyzer shelter designed for outdoor operation. The system supports continuous data monitoring, recording and transmission for environmental monitoring