This Diwali brought a shocking lapse to Delhi’s pollution story: 173 hours of air quality readings vanished from across 31 monitoring stations, with 163 hours lost during peak pollutionThis Diwali brought a shocking lapse to Delhi’s pollution story: 173 hours of air quality readings vanished from across 31 monitoring stations, with 163 hours lost during peak pollution Latest News [ SOBAN NEWS: International and National ]