Delhi Air Quality Drops to ‘Very Poor’ After Diwali Fireworks

Delhi’s air quality deteriorated sharply on Monday after residents celebrated Diwali with fireworks despite restrictions imposed by the courts. At 9 a.m., the city recorded an Air Quality Index (AQI) of 370, falling into the ‘very poor’ category, according to the Central Pollution Control Board. Several areas reported AQI readings above 400, indicating severe pollution levels.

The Supreme Court had permitted only certified low-polluting firecrackers during limited hours over the Diwali weekend. However, residents in Delhi and Mumbai reported fireworks continuing late into the night. Reuters visuals showed thick smog surrounding India Gate in central Delhi. According to IQAir’s live ranking, Delhi was the world’s third-most polluted city on Monday morning, behind Lahore in Pakistan, which recorded an AQI of 563.

Air pollution remains an annual concern across northern India during winter, as cold air traps vehicle emissions, construction dust and smoke from crop burning. Heavy traffic and construction activities further worsen the situation in Delhi, increasing respiratory health risks for residents. The city has already experienced poor air quality for over a week and introduced restrictions on Friday, including instructions for schools to conduct online classes under its graded action plan.

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