Delhi AQI soars to 497, 'severe' despite GRAP-IV in effect

• Delhi's air quality turned 'severe' with an average AQI of 461 on Sunday morning, despite GRAP-IV being in effect.
• Bawana recorded the highest AQI at 497, with many other areas also experiencing 'severe' levels.
• Schools for grades IX and XI were directed to operate in hybrid mode due to the deteriorating air quality.
• The 'severe' AQI category (401-500) indicates dangerous air quality for everyone.

Why It Matters: Delhi's severe air quality threatens public health, even with GRAP-IV.