Air quality turns 'poor' in four NCR towns; Greater Noida worst at AQI 233, Delhi remains 'moderate'

Chandigarh, Oct. 18 -- Air quality slipped into the 'poor' category in four towns of the National Capital Region (NCR) on Saturday, with Greater Noida recording the highest Air Quality Index (AQI) of 233, while Delhi and all monitored locations in Haryana remained in the 'moderate' or 'satisfactory' categories, according to the latest regional air quality bulletin.

The bulletin, issued at 4 p.m. and based on average air quality over the preceding 24 hours, showed that Greater Noida was followed by Khora at 213, Ghaziabad at 206 and Noida at 203. All four locations are in Uttar Pradesh.

Of the 31 NCR cities and towns covered in the report, four recorded 'poor' air quality, 18 fell in the 'moderate' category and nine registered 'satisfactor...