Data from the World Health Organisation (WHO) shows that 99% of the global population resides in areas where air pollution exceeds its safe living guidelines.
So, how does Swansea rank when it comes to air quality? And how does that compare to the rest of the UK?
The data shows that Swansea has the seventh highest amount of good air days in the UK, with 305 days out of 365 every year.
Looking for Clean Air? Move to Australia
Globally, if you’re looking to move to a city with clean air, the research shows that the best place to start is Australia.
Six of the ten global urban areas with the most good air days can be found there, all of which benefit from 365 days a year without high levels of PM 2.5 matter in the atmosphere.
Only one city in the Americas enjoys 365 days of good air per year — Honolulu, Hawaii. Located around 2,000 miles from the U.S. mainland, its residents benefit from some of the cleanest city air in the world.
At the opposite end of the spectrum, four of India’s major cities have one day or less each year of good air. This could be a result of the country’s geography, where pollution in the country’s northern states is trapped by the Himalayan mountains — an occurrence felt especially in the winter months. As an emerging economy reliant on heavy industry and fossil fuel usage, 93% of its population is exposed to unsafe levels of PM 2.5 matter.
You can find out more about the world’s cities with the cleanest and most polluted air here.
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