Delhi's air quality plunges to 'very poor' levels with fall in wind speed

The AQI is predicted to oscillate between high and middle range of the "very poor" category for the next two days

Delhi's air quality plunged to "very poor" category on Friday, owing primarily to unfavourable wind speed.

The PM2.5 -- particles in the air with a diameter of less than 2.5 micrometres -- level was recorded at 326 around 8:20 am, according to data from SAFAR.

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'.

While the monitoring station at Mundka recorded the air quality index at 381, which falls in the lower end of the "very poor" category,