Interactive dashboard that visualizes carbon monoxide (CO) concentrations across Nigerian states from 2020 to 2024.
# 🌍 Nigeria Carbon Monoxide (CO) Dashboard (2020–2024)
This interactive dashboard visualizes **carbon monoxide (CO) concentrations** across Nigerian states from **2020 to 2024**.
It allows users to explore air quality patterns, identify pollution hotspots, and track changes over time.
Link to Dashboard:
nigeria-carbon-monoxide-das…
## 🚀 Features
* 🗺️ **Choropleth Map** (Natural Breaks classification with green scale)
* Dark-themed basemap for better visualization
* Interactive popups showing state-specific CO levels
* 📊 **Top & Bottom States**
* Automatically updates when a year is selected
* Displays 3 highest and 3 lowest states
* 📈 **Time-Series Analysis**
* Line chart showing annual variations in CO levels for each state
* 🍩 **National Average Donut Chart**
* Displays Nigeria’s average CO concentration per year
* 📝 **Dashboard Information Modal**
* Pops up when the dashboard loads
* Sidebar button to view information later
## 📂 Project Structure
```
co-dashboard/
│
├── app.py # Main Streamlit app
├── requirements.txt # Python dependencies
├── data/
│ └── nigeria_state_co.geojson # Input data
└── images/
└── screenshot.png # Example screenshot (optional)
```
## 📊 Data
* **Source:** Processed from Sentinel-5P CO dataset (2020–2024)
* **Format:** GeoJSON with state-level annual mean CO values (mol/m²)
* **Projection:** EPSG:4326 (WGS 84)
## 📸 Preview
## 🛠️ Installation
⚡ Built with **Python, Streamlit, Leafmap, Folium, Plotly, and Geopandas**.