Delhi AQI Crosses 480, Private Platforms Report 1,000+: Why the Discrepancy?

Delhi's official AQI touched 483 on Monday, while private monitoring platforms reported readings above 1,000 in some areas.

Why is there such a massive difference? We explain the AQI discrepancy, the CPCB's measurement system, missing monitoring data and the allegations surrounding Delhi's pollution readings after Diwali.