Air Quality Remains 'Very Poor' In Delhi-NCR, Severe Smog Adds To Woes: IN PICS

Air Quality Index (AQI) in Noida was recorded 392 on Saturday morning, which is in the 'very poor' category. (Source: ANI)

An AQI between zero 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. (Source: ANI)

The National Capital Region's air quality remains to be in the 'very poor' category for the sixth consecutive day. (Source: ANI)

The System of Air Quality and Weather Forecasting And Research (SAFAR) on Saturday showed AQI in the Delhi University area at 355 and in the Mathura road area at 340. (Source: ANI)

Delhi's air quality was recorded at 309. (Source: ANI)

Pollution levels crept up on the night of October 23 amid a drop in temperature and wind speed and due to people bursting firecrackers and a rise in the number of farm fires. (Source: ANI)