It has been described as one of the most polluted cities in the country - and now Southampton is being shamed into taking more action - by a billboard.
Pollution is responsible for 110 deaths in the city each year. And it's estimated to cost the local NHS an annual 50 million pounds.
Emissions from traffic and Southampton Port. has prompted the Clean Air Initiative to create a new sign to get their message across. Sam Holder reports.
More top news
The news comes as an inquest is due to open for Dawn Sturgess, who died days after apparently coming into contact with Novichok.
Holly has your latest weather.
Holly has the latest weather forecast.