Toxic air chokes Delhi-NCR: AQI remains in 'severe' zone; GRAP-4 curbs continue

Delhi-NCR woke up to severe smog on Tuesday, with Air Quality Index (AQI) reaching 'severe' levels in several areas. In response, authorities have invoked Stage-IV of the Graded Response Action Plan, suspending construction, mining, and imposing stricter vehicle restrictions to combat the worsening air quality.