Gurgaon: The city witnessed a slight improvement in air quality on Sunday, with the air quality index (AQI) recording at 251, down from 291 the previous day, though remaining in the ‘poor’ category. Among the city’s four monitoring stations, Gwalpahari recorded the highest AQI at 284 (poor). While Teri Gram recorded the index at 252, Sector 51 station clocked 236 and Vikas Sadan 205, all within the ‘poor’ level.
The System of Air Quality and Weather Forecasting and Research (SAFAR)…
