âš¡Air Quality Remains Toxic as Thick Fog Envelops, Hovers Between 'Severe' And 'Very Poor' Category
By Team Latestly
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.