A major South West city has been ranked as one of the worst in the country for 'bad air days' in the UK, according to new data.revealed the air quality in Bristol dropped below the World Health Organisation's safe guidelines for an average of 90 days per year.
The UK's three biggest cities, London, Birmingham and Manchester, all ranked above Bristol with an average of more than 290 "good days" every year.The researchers only took data from cities which have more than two air quality measuring devices that recorded air quality during 2022 for more than 300 days a year.
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