New Delhi, Feb. 15 -- National capital's air quality deteriorated again on Sunday, with the Air Quality Index (AQI) returning to the 'poor' category at 221, after showing signs of improvement earlier this week, the weather department said.
According to the Sameer app, even as the cold spell has eased, giving way to milder weather and clear mornings, air quality remains a concern, with 24 out of 40 monitoring stations reporting 'poor' AQI readings. Several monitoring stations in Delhi reported 'poor' AQI levels, while others fell in the 'moderate' category, renewing concerns over residents' exposure to polluted air.
Although the winter's departure had briefly brought warmer days and cleaner air, the improvement appears to be short-lived. A...