Delhi’s air stays ‘very poor’ with AQI above 300 in several areas; govt enforces BS-VI vehicle rules, checks, and bans on construction vehicles to curb pollutionDelhi’s air stays ‘very poor’ with AQI above 300 in several areas; govt enforces BS-VI vehicle rules, checks, and bans on construction vehicles to curb pollution Latest News [ SOBAN NEWS: International and National ]