Delhi's AQI hits 497, 'severe' despite GRAP-IV; schools go hybrid

• Delhi's air quality turned 'severe' with an AQI reaching 497.
• The average Air Quality Index (AQI) in Delhi was 461 on Sunday morning, despite GRAP-IV being in effect.
• Thick smog caused low visibility in areas like Ghazipur, ITO, and Anand Vihar.
• Bawana recorded the highest AQI at 497, with many other localities also in the 'severe' category.
• Delhi schools for classes up to IX and XI were directed to operate in hybrid mode due to the 'severe' air quality.

Why It Matters: Delhi's extreme pollution creates severe health hazards for all.