Air Quality Improves In Delhi From 'Very Poor' to 'Poor' Category
Delhi's air quality has improved from 'very poor' to 'poor' on January 17, with an Air Quality Index (AQI) of 262. The air quality in Noida (323) remains in the 'very poor' category, while the air quality in Gurugram (201) is in the 'poor' category. An AQI from 0-5 is considered 'good', 51-100 'satisfactory', 101-200 'moderate', 201-300 'poor', 301-400 'very poor', and 401-500 'severe'.