Where to move for... fresh air

The wealthy have long avoided pollution by living in the south-west of British cities. Is that still the case?Back to school. Geography lesson. Subject: UK towns and cities and the distribution of social classes. Question: Where do you find the wealthiest urban populations? Come on, come on. Yes, you. “In the west and south-west of towns, often on hills.” Bingo. Bonus question: Why? “Air pollution. The UK’s prevailing wind is southwesterly, blowing smog north and east. It