India, Oct. 30 -- With air quality remaining in the "poor" category till Thursday afternoon, the Greater Noida authority has stepped up monitoring of construction dust, road cleanliness and garbage burning across the city.

The city-level Air Quality Index (AQI) stood at 212 at 2pm on Thursday. It was record at 220 on Wednesday and 82 on Tuesday, according to Uttar Pradesh Pollution Control Board app.

The latest reading comes as the authority has deployed anti-smog guns at construction sites and other public locations. The authority is using mechanical sweepers to clean roads while deploying field teams for areas where dust and waste-management violations are reported.

On Wednesday, Vijay Rawal, deputy general manager (projects) at Grea...