According to the System of Air Quality and Weather Forecasting and Research (SAFAR), the air quality in Delhi improved slightly on Thursday, bringing down the pollution level from ‘very poor’ to poor’ category. It improved from ‘severe’ category to ‘very poor’ on Wednesday.
(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 401 and 500 ‘severe’.)
According to CPCB, 25 areas registered poor air quality and 11 registered moderate air quality today.
The PM2.5 (particles in the air with a diameter of less than 2.5 micrometres) level was recorded at 95, while the PM10 (particles in the air with a diameter of less than 10 micrometres) was recorded at 177.
Air quality was recorded as ‘very poor’ in Chandani Chowk whereas it was ‘poor’ in other parts of Delhi including Lodhi Road, Delhi University, Pitampura, Delhi Airport, Mathura Road, Pusa and Dhirpur.