Delhi recorded a marginal improvement in air quality on Wednesday morning, with the overall Air Quality Index (AQI) standing at 273 around 7 am, placing it in the `poor` category, as per data released by the Central Pollution Control Board (CPCB).

Smog persists despite slight improvement

The reading showed a slight recovery from Tuesday, when the city’s AQI was recorded at 294. Despite the dip in pollution levels, large swathes of the capital continued to remain under a haze of smog, with air quality conditions still far from healthy.