Delhi air quality remains in 'very poor' category for second consecutive day, AQI at 322
Oct 30, 2023, 10:38 AM ISTNoida witnessed air quality in 'very poor' category as well with AQI soaring to 322. According to the AQI scale, the air quality check between 0 and 50 is 'good', 51 and 100 'satisfactory', 101 and 200 'moderate', 201 and 300 'poor', 301 and 400 'very poor', and 401 and 450 'severe'.