Delhi’s air quality remained in the ‘poor’ category for the second consecutive day on Monday even as the maximum temperature settled at 32.5 degrees Celsius, a notch below the season’s average, the Met office said.The minimum temperature settled at 17.5 degrees Celsius on Monday morning, two notches below the season’s average, it said.The weatherman has predicted mainly clear skies for Tuesday while the maximum and minimum temperatures are expected to settle at 32 and 17 degrees Celsius respectively, they said.Humidity levels oscillated between 42 per cent and 96 per cent.Delhi’s air quality remained “poor” for the second consecutive day and no improvement is likely in the next six days, forecasting agencies here said.