SIH 2026 Smart City Theme: IoT and AI Project Ideas That Win

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Smart City Solutions for SIH 2026

India’s Smart Cities Mission covers 100 cities. SIH judges love solutions that can be deployed in real urban environments. Here are ideas that combine IoT sensors with AI analytics.

Traffic & Transportation

  1. Adaptive Traffic Signal Control – Cameras at intersections detect vehicle density, AI adjusts signal timing in real-time. Reduces average wait time by 30-40%. Tech: YOLO object detection + RL algorithm + Raspberry Pi + API dashboard
  2. Pothole Detection & Reporting – Accelerometer data from buses/autos detects potholes automatically, maps them, alerts municipality. Tech: Arduino + GPS + mobile app + heatmap
  3. Public Transport Arrival Predictor – ML model predicts actual bus/metro arrival using GPS, traffic, historical patterns. Tech: LSTM model + real-time GPS + React Native app

Waste Management

  1. Smart Bin with Fill-Level Monitoring – Ultrasonic sensors in bins report fill levels, AI optimizes collection routes. Reduces fuel costs 25%. Tech: ESP32 + ultrasonic sensor + route optimization + dashboard
  2. Waste Segregation Assistant – Camera identifies waste type (wet/dry/hazardous), guides citizens to correct bin. Tech: Image classification + mobile app

Energy & Environment

  1. Air Quality Index Predictor – Combines sensor data + weather + traffic patterns to predict AQI 24-48 hours ahead. Tech: Low-cost PM2.5 sensors + ML regression + alert system
  2. Streetlight Energy Optimizer – Dims lights based on traffic/pedestrian presence, saves 40-60% energy. Tech: PIR sensors + IoT controller + analytics dashboard
  3. Solar Panel Output Predictor – Predicts daily solar generation for city microgrids using weather data. Tech: Weather API + regression model + scheduling optimizer

Citizen Services

  1. Complaint Resolution Tracker – Citizens file complaints via WhatsApp, AI categorizes, routes to department, tracks resolution. Tech: WhatsApp API + NLP classification + status dashboard
  2. Parking Finder App – Real-time parking availability using camera-based occupancy detection. Tech: Computer vision + mobile app + maps integration

What Smart City Judges Value

  • Scalability – can it work across 100 cities?
  • Cost-effectiveness – uses commodity hardware, not expensive proprietary systems
  • Real data integration – uses actual government data APIs
  • Citizen-centric – average person can use it without tech knowledge

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