Toxic Air Grips Delhi: AQI Soars Past 500, 'Severe Plus'

• Delhi's air quality is in a severe state.
• The AQI has surpassed 450, placing it in the 'severe plus' category.
• Delhi's average AQI was 460 early Monday.
• Ashok Vihar recorded the highest AQI at 500.

Why It Matters: Delhi's extreme air pollution (AQI 500+) threatens public health.