With many Bihar cities recording very poor air quality, the state pollution control board on Sunday asked the district administrations to strictly enforce laws to check air pollution in their respective areas.

According to the Central Pollution Control Board (CPCB) daily AQI bulletin  (November 11 at 4 pm) of 243 cities in the country, Begusarai was on top of the list with AQI at 382, closely followed by Saran at 376 and Patna at 375 in Patna.