Surge in Air‑Pollution Following Diwali 2025 Across India
Surge in Air‑Pollution: The festive glow of Diwali was quickly overshadowed across northern India by a blanket of toxic air. On Tuesday 21 October 2025, air‑quality in the national capital and neighbouring regions plunged into the “hazardous” category. The Swiss monitoring group IQAir recorded an AQI reading of 442 for New Delhi, with PM2.5 levels more than 59…