A project to measure air pollution from traffic in Dublin has found levels of nitrogen dioxide that are close to breaching safe limits.
The locations with the highest levels included in the city centre within the canals and along some of Dublin's major roads.
The Clean Air Together project saw around a thousand citizens in Dublin measuring nitrogen dioxide near their home, business or school.
The joint project between the EPA and An Taisce found all results were within EU limits but some were just below the threshold, while many were above stricter WHO limits.
Traffic pollution was monitored over four weeks last October and November, with the highest levels in the city centre including roads near Trinity College, by Connolly station and the quays, as well as Heuston Station.
Levels of nitrogen dioxide were also high along the likes of the Malahide Road, Stillorgan Road and by the M50. While the lowest results were recorded in areas further out including Balscadden and Stepaside.
The results also suggest that the greater the distance between a dwelling and a busy road the lower the NO2 levels. NO2 quickly reduces with distance, for example, a long front garden or living on an upper floor of an apartment building can offer some protection against pollution.
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