Historical AIR QUALITY Analysis (2022–2025)
Exploring long-term air quality trends, seasonal variations, and regional patterns across India through data-driven analysis.
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About This Analysis
About This Analysis
This section examines Air Quality Index (AQI) data collected between 2022 and 2025 to identify long-term trends and recurring patterns in air quality across India.
Key questions explored include:
How has AQI changed over time?
Which regions experience the highest pollution levels?
Are there seasonal patterns in air quality?
What trends emerge from historical observations?
KEY FINDINGS
📉 Long-Term Trend
📉 Long-Term Trend
AQI levels show notable variation across the study period, highlighting changing environmental conditions.
🌦 Seasonal Variation
🌦 Seasonal Variation
Air quality fluctuates significantly throughout the year, with certain seasons consistently experiencing higher pollution levels.
🏭 Regional Differences
🏭 Regional Differences
Some regions experience considerably poorer air quality than others.
📊 Data Insights
📊 Data Insights
Historical analysis provides the foundation for forecasting future AQI patterns.
Interactive Dashboard
Explore the Data
Instructions
Instructions
Use filters to select state/area/time period
Hover over charts for detailed values.
Find out what poor/good AQI values look like by using the 'AQI Status' filter.
Timeline analysed
2022-2025
Cities Covered
291
States Covered
32
Data Points
23,5786
Why Historical Analysis Matters
Why Historical Analysis Matters
Understanding historical air quality trends helps identify persistent pollution challenges, evaluate environmental progress, and provide context for future forecasting efforts.
Frequently Asked Questions(FAQs)-
WHICH CITIES HAVE THE HIGHEST AQI?
WHICH CITIES HAVE THE HIGHEST AQI?
Byrnihat, Begusarai, and Delhi have the highest AQI
How does AQI vary across seasons?
How does AQI vary across seasons?
India experiences high AQI during the winter months(Nov-Jan). However, AQI gets better during the monsoon months(June-Aug).
How do pollution trends compare over time?
How do pollution trends compare over time?
India’s Air Quality Index (AQI) saw a brief, temporary improvement during 2023-24 due to favorable meteorological conditions and post-pandemic economic stabilization. However, the AQI worsened significantly by 2025 due to a rapid rebound in urban emissions, escalating construction dust, and stalled enforcement of environmental regulations
Looking Ahead
Looking Ahead
Historical trends reveal what has happened in the past. The next stage of the project uses these patterns to estimate future air quality conditions.
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