What is AQI?
AQI Definition: The Air Quality Index (AQI) is a numerical scale used to communicate the quality of air. A higher AQI number indicates poorer air quality.
Color-Coded Index: Introduced in India in 2014, the AQI classifies air quality into six categories: 'Good' (0-50), 'Satisfactory' (50-100), 'Moderately polluted' (100-200), 'Poor' (200-300), 'Very Poor' (300-400), and 'Severe' (400-500).
Recent Scenario in Delhi: On November 3, 2023, Delhi's AQI hit an alarming 471, indicating 'Severe' air quality.
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