Delhi's air pollution remains 'severe'

National Capital's air pollution is going worse day by day. According to Central Pollution Control Board at ITO major pollutant PM 2.5 was 521 and PM 10 reached at 556 in the morning. On the other hand, major pollutant PM 2.5 and PM 10 was reached at 500 according to the System of Air Quality and Weather Forecasting and Research (SAFAR) at Lodhi Road.