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🌍 Global Air Pollution Analysis using Tableau

📊 This project visualizes global air pollution data using Tableau to uncover geographic disparities, pollutant trends, and historical emission changes. It highlights countries with high pollutant output and enables comparison over time using interactive dashboards.

📁 Project Overview

The goal of this project is to:

  • Analyze global air pollution trends over time
  • Compare pollutant types across countries
  • Highlight regions with significant emission levels
  • Support public awareness and environmental reporting

🔧 Tools & Technologies

  • Tableau – For interactive visualizations
  • Excel – For data preprocessing
  • PowerPoint – Final summary and presentation

📊 Key Features

📌 Dashboard Highlights
  • TreeMap View – Top 20 countries contributing to global emissions
  • FacetGrid Charts – Trends of pollutants over decades across regions
  • Geospatial Mapping – Distribution of pollutants globally
  • Country Comparison – U.S. vs China air pollution trends
  • Interactive Filters – Region, pollutant type, and year

📂 Files Included

  • airpollution(analysis).twbx – Tableau workbook with all dashboards
  • Air-Pollution Excel.xlsx – Cleaned dataset
  • A Global Perspective on Air Pollution.pdf – Final presentation/report
  • README.md – Documentation for this project

🚀 How to Run

# Step 1: Download the .twbx file
# Step 2: Open it in Tableau Desktop or Tableau Public
# Step 3: Explore dashboard interactivity and export insights