Delhi's air quality remains severe on New Year eve
The pollution level of the national capital remained in the 'severe' category with air quality index (AQI) crossing 430 mark on Tuesday, prompting System of Air Quality and Weather Forecasting And Research (SAFAR) to advise people to avoid outdoor activities.
An AQI between 0-50 is considered good, 51-100 is satisfactory, 101-200 moderate, 201-300 poor, 301-400 very poor and 401-500 is marked as severe/hazardous.
The AQI was recorded at 433 with PM10 at 269 and PM2.5 at 281 in the morning today.