New Delhi: A day after Diwali celebrations filled the skies with firecrackers and festive smoke, the Commission for Air Quality Management (CAQM) on Tuesday reported an alarming deterioration in air quality across northern India.

According to the latest Air Quality Index (AQI) bulletin, several cities in Haryana and the National Capital Region (NCR) have recorded “severe” and “very poor” air quality levels.

Jind topped the national chart with an AQI of 421, followed by Dharuhera (412), Narnaul (390), and Rohtak (376) — all falling in the severe category, which severely impacts even healthy individuals. Other highly polluted cities include Bahadurgarh (368), Sirsa (353), Charkhi Dadri (353), Gurugram (370), and the national capital Delhi (351), all in the very poor range.

Data shows tha

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