In emergency situations, timely information and quick response can save lives. However:
- People lack a centralized platform for hazard detection and alerts.
- Communication during emergencies is fragmented.
- No integrated solution combining SOS, hazard detection, and medical advice exists.
HazardIQ+ bridges the gap by providing:
- Real-time hazard alerts and SOS communication.
- AI-powered medical recommender for quick health insights.
- Community chat and instant chatbot help.
- Role-based system for Citizens and Responders to collaborate effectively.
⚡ All real-time data, chat, and notifications are powered by our own secure Node.js backend, with Socket.io for messaging and custom ML integrations.
📢 Notifications are sent directly from our server — no reliance on third-party push providers for core alerts.
- 🔐 Email/Password Login & Signup – Secure Firebase authentication.
- 🌐 Google Sign-In – Seamless login with account selector every time.
- 👥 🧑🤝🧑 Roles in the App :
- Citizen – Receives hazard alerts, sends SOS requests, participates in community discussions.
- Responder – Responds to SOS requests, coordinates in hazard situations, and provides assistance in emergencies.
- ♾ Persistent Session – Stay logged in until you sign out manually.
- 👤 View your name, email, UID, and role fetched securely via Retrofit.
- 🚪 One-tap logout for secure sign-out.
- ⚡ Floating Action Button (FAB) for quick profile access.
- 🌦 Real-Time Weather Data – Temperature, humidity, and current conditions.
- 🌫 Air Quality Index (AQI) – Live AQI readings for your location.
- 🗺 Mapbox Integration – Hazard & AQI zones visualized interactively.
- 🇮🇳 India Map Boundaries – Keeps the focus relevant to Indian regions.
- 📡 Live Hazard Detection – Hazards near you in real-time.
- 🎨 Color-Coded Indicators – Quick visual differentiation of hazards.
- 📍 Interactive Map Markers – Tap for hazard details.
- 🚷 Hazard Entry Warning – If you step inside a hazard zone, you’ll get an instant notification from our backend advising you not to enter.
- 🚨 One-Tap SOS Sending – Immediate request to nearby responders.
- 📊 Status Tracking – See when a responder accepts your request.
- 🔄 Background Polling – Keeps you updated even if you switch screens.
- 👨🚒 Displays responder details once accepted.
- 💬 Live Chat with Responder – After SOS acceptance, chat directly with your responder in real-time (Socket.io, hosted on our Node.js backend).
- 💊 50 Symptom Chips – Select symptoms from a visually appealing chip list.
- 🤖 ML Model (Hugging Face) – Predicts the most probable disease.
- 📄 Detailed Report:
- Disease Name
- Description
- Recommended Diet
- Medications
- Precautions
- Suggested Workouts
- 💬 Community Hazard Chat – Room-based discussions for each hazard so citizens in that hazard area can interact in real time.
- 🔒 Private SOS Chat – One-on-one messaging between SOS sender & responder.
- ⚡ Powered by Socket.io on our Node.js backend for low-latency communication.
- 📷 Capture or Upload hazard photos.
- 🧠 ML Model – Classifies the hazard type from the image.
- 📍 Auto-tags hazard on the map and notifies relevant users instantly via our server.
- 🤝 Conversational AI – Get instant answers to hazard safety questions, health concerns, and emergency steps.
- 🧠 Powered by LLM-based chatbot for context-aware responses.
- 📈 Custom ML Model – Predicts future AQI levels for underserved areas using historical data.
- 📢 Daily AQI Notifications – Sent from our backend with safety tips based on your location.
- 🧠 Smart City Mapping – If your city doesn’t have a trained AQI model, our system automatically maps you to the nearest trained city for accurate predictions.
- 🗺 Hazard, SOS, and AQI markers with interactive popups.
- 🔍 Region-restricted navigation.
- 📌 Tap for quick info popups.
- 🎨 Material Design 3 components.
- 🌈 Gradient buttons for key actions.
- 🃏 Rounded cards & chips for visual appeal.
- 📱 Fully responsive layouts for all screen sizes.
- 📡 Toast notifications for connectivity issues.
- 🛟 Fallback UI for unavailable data.
- 🔄 Retry options for failed network requests.
- 🔐 Firebase Authentication for secure access.
- 🛡 Role-based access control for feature segregation.
- ⚡ Retrofit with caching for speed.
- 📂 SharedPreferences for instant local data retrieval.
- AI Medical Recommender – Symptom → Disease prediction (Hugging Face model).
- AI Hazard Detection from Images – Computer vision model for hazard classification.
- AQI Prediction Model – Custom ML model forecasting air quality levels with nearest trained city fallback.
- AI Chatbot Assistant – LLM-powered conversational helper for hazard and health queries.
| Category | Technologies |
|---|---|
| Frontend | Android (Kotlin), Material Design 3 |
| Backend | Node.js, Express.js, PostgreSQL/Neon, FirebaseAuth, Firebase Cloud Notifications |
| APIs | OpenWeather, AQI APIs, Mapbox, Hugging Face, Fast API |
| AI | TfLite, Custom ML model hosted on Hugging Face Spaces |
| Other | Retrofit, WebSocket, Work Manager, Geofencing, Geocoding & Reverse Geocoding, Shared Preferences |
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- Android Studio Giraffe+
- JDK 17+
- Node.js 18+
- PostgreSQL
- Firebase Project with Auth enabled
# Clone the repo
git clone https://github.com/yourusername/HazardIQ-Plus.git
# Open in Android Studio
# Add your keys in local.properties
MAPBOX_ACCESS_TOKEN=your_mapbox_token
FIREBASE_CONFIG=your_firebase_config
# Backend Setup
cd backend
npm install
node server.js