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'Silent Killer' present in Bangladesh, killed over 1 lakh people, anti-India Yunus govt fails to..., the killer is...
Joy Pillai March 2, 2025 7:53 AM IST
An air quality index ranging from 151 to 200 is categorised as 'severe', while AQI between 201 to 300 are considered 'very severe', and 301 to 400 are labelled as 'hazardous'.
