Abstract: The rapid increase in vehicular traffic has led to significant environmental concerns, particularly due to the emission of harmful gases such as carbon monoxide (CO), nitrogen oxides (NOx), and hydrocarbons (HC). Traditional methods of emission monitoring are often periodic and fail to provide real-time data, limiting their effectiveness in controlling pollution. This project presents an IoT-based Vehicle Emission Monitoring System designed to continuously track and report emission levels from individual vehicles. Using gas sensors integrated with a microcontroller and IoT module, the system detects pollutant levels and transmits the data to a cloud platform for real-time analysis and storage. Users and authorities can access this information via a web or mobile application, enabling immediate identification of vehicles exceeding emission norms. The proposed system aims to promote environmental awareness, support regulatory compliance, and contribute to cleaner air by facilitating timely maintenance and stricter enforcement of emission standards.
Keywords: harmful gases, individual vehicles, emission standards
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