New Delhi, October 22: The National Capital's Air Quality Index (AQI) improved marginally from 'very poor' to 'poor' category, as winds speed picked up marginally. The air quality has become extremely polluted and people in the city are getting breathless, just after Dusherra. According to ANI report, PM 10 level at 237 and PM 2.5 level at 219 both in 'Poor' category on Air Quality Index (AQI), at Lodhi Road. Delhi and Mumbai among World’s Most Polluted: How Will Air Pollution Affect Our Mental and Physical Health?
According to a Hindustan Times report, air quality levels are set to deteriorate over the coming week, due to unfavourable meteorological conditions. Delhi's AQI stood at 324 on Saturday. Few measures that are being undertaken across the city for ‘poor’ and ‘very poor’ categories include sprinkling water on major stretches, mechanical sweeping of key roads, and ban on the use of diesel generator sets.
— ANI (@ANI) October 22, 2018
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 that between 401 and 500 is categorised as ‘severe’. It is being said that if the air quality drops to 'severe', then other measures such as the banning of construction activities and entry of trucks can be taken.