Rain brings breather as Delhi-NCR air moves to 'poor' category from hazardous levels
New Delhi, Jan 24 (IANS) After several days of dense smog and hazardous pollution levels, Delhi-NCR saw a noticeable improvement in air quality on Saturday, with the Air Quality Index (AQI) slipping to the 'poor' category at 264. The improvement followed the season's first spell of rain on Friday, which brought much-needed respite from persistently high pollution levels across the region.