Delhi's Air Quality Remains 'Poor', AQI at 259; Several Areas 'Very Poor'

• Delhi's Air Quality Index (AQI) recorded at 259, maintaining a 'poor' category.
• Marginal deterioration from the previous day's AQI of 214.
• Areas like Nehru Nagar, Dwarka, India Gate, ITO Delhi, and Jawaharlal Nehru Stadium remain 'Poor'.
• Multiple locations including Mundka, Anand Vihar, Rohini, and Jahangirpuri slipped into the 'Very Poor' category.
• CPCB categorizes AQI: 0-50 'Good', 51-100 'Satisfactory', 101-200 'Moderate', 201-300 'Poor', 301-400 'Very Poor', 401-500 'Severe'.