“Air pollution: Houses on polluted street face demolition”

“Residents on one of the UK’s most polluted roads are set to be given 150% of the value of their homes to knock them down.

Recorded levels of nitrogen dioxide on the A472 at Hafodyrynys were higher than anywhere else apart from central London 2015 and 2016.

These far exceed World Health Organisation guidelines.

Next week, Caerphilly council’s cabinet will be asked to approve plans to purchase the 23 worst-affected homes.

The A472, between Newbridge and Pontypool, suffers pollution from an estimated 21,000 vehicle movements a day.

Life on Wales’ most polluted road – Hafodyrynys, Caerphilly

There have been many proposals for improving air quality, including buying and demolishing the houses and businesses, which would cost about £4.5m.
This was the Welsh Government’s preferred option. …”

https://www.bbc.co.uk/news/uk-wales-48694087