According to Quality Index (AQI) data, the major pollutants PM 2.5 at 247 in the 'Moderate' category and PM 10 at 243 in the 'Poor' category, in Lodhi Road area on Friday. An AQI between 0 and 50 is considered "good", 51 and 100 "satisfactory", 101 and 200 "moderate", 201 and 300 "poor", 301 and 400 "very poor", and 401 and 500 "severe".