Dense Fog Derails Train Schedules: 18 Trains, Including Avadh Express and Lucknow Mail, Delayed

Delhi's air quality slips back to 'poor'; AQI hits 233, with further deterioration expected

Delhi air quality worsens: AQI crosses 400, enters 'severe' category in multiple areas

Rising pollution: Schools closed in this district from today

Delhi-NCR suffocates as AQI reaches 'severe plus' 500-mark

Delhi-NCR AQI nears 'severe' levels in several areas; average remains 362

Delhi-NCR air quality remains in 'poor' category

Delhi's air quality plummets to 'very poor' category