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Rare smog spike hits Beijing after years of pollution clean-up

Beijing experienced a rare spike in very unhealthy smog levels, reaching an AQI of 215 after years of significant pollution reduction efforts. Despite past successes in improving air quality through industrial relocation and cleaner heating, the city faced a temporary setback. This event has sparked comparisons with New Delhi's ongoing pollution crisis.

18 Dec 2025 3:18 pm