Delhi Pollution AQI is an environmental dataset for air quality analysis and forecasting. This dataset provides hourly air quality and environmental data for major cities in the Delhi NCR region, suitable for pollution analysis, time series forecasting, and machine learning applications. Dataset composition:

• Time range: January 1, 2020 to December 31, 2025
• Cities covered: Delhi, Noida, Gurgaon, Faridabad, and Ghaziabad
• Number of monitoring stations: 23
• Total number of records: Over 200,000 hourly observation samples Data Fields:
• Pollutants: PM2.5, PM10, NO₂, SO₂, CO, O₃
• Meteorological factors: temperature, humidity, wind speed, visibility
• Air quality indicators: AQI (Air Quality Index) and its categories (e.g., good, moderate, poor, severe, etc.)