Merseyside is one of 16 areas that has been flagged for breaching pollution levels by the European commission.
16 areas across the UK have breached legal air pollution limits for nitrogen dioxide.
High pollution levels can have a serious impact upon health.
Road traffic is responsible for around 40% of emissions of nitrogen oxides in the EU, with the contribution at ground level much higher.
The Commission’s spokesman said”It is a warning that we send to member states asking to comply, to take measures to fight this poor air quality that provokes respiratory disease and cardiovascular disease.
“It is an important factor on the health of citizens.
“So we ask the UK, as the other four member states, to take appropriate measures to fight this type of air pollution and we hope they comply”.
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