10. Belfast, United Kingdom
Pollution Index: 16.84
Average Annual Temperature: 48.3
Northern Ireland has an organization for those who suffer from asthma that’s dedicated to help those in need and provide them with advice. Asthma Organization works with other health organizations and health professionals. The pollution index is also low, which contributes to why it’s a great place for asthma sufferers.
James Kennedy NI/Shutterstock.com
