New Delhi, Jan. 27 -- : The Air Quality Index (AQI) of Delhi on Friday dropped to the 'poor' category after being in the 'moderate' on Republic Day.
According to the System of Air Quality and Weather Forecasting and Research (SAFAR), the conditions are expected to worsen further to the 'very poor' in the next few days.
The PM 2.5 pollutants in the National Capital's air stood at 276 on Friday morning. However, PM 10 is at 157, which is considered to be moderate.
The Air Quality Index from 0 to 100 is considered as good, while from 100 to 200 it is moderate, from 200 to 300 it is poor, and from 300 to 400 it is said to be very poor and from 400 to 500 or above it is considered as severe.
The pollution levels in the national capital a...