Air quality in Delhi-NCR deteriorates

New Delhi: The air quality in Delhi-NCR deteriorated further, slipping to 'severe' category on Friday.

Also Read: Air quality in Delhi turns "very poor"

Also Read | Air quality in city in poor category

The Air Quality Index in the national capital was 411.

The satellite cities of Ghaziabad (426), Greater Noida (426) and Noida (423) also recorded air quality in the severe category.

Also Read | Delhi AQI improves due to rains, moves to 'satisfactory' category

Also Read: Air quality in city in poor category

An AQI between 0-50 is considered 'good', 51-100 'satisfactory', 101-200 'moderate', 201-300 'poor', 301-400 'very poor' and 401-500 'severe'. An AQI above 500 falls in the 'severe plus' category.  (PTI)

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• #Air quality
• #Air Quality Index
• #Delhi NCR
• #Greater Noida
• #environment
• #Health
• #AQI