With regard to nitrogen dioxide levels in our cities and towns, action is required to reduce levels in Dublin to comply with the EU limit value. Additional indicative diffusion tube campaigns on nitrogen dioxide levels in other Irish cities indicate some areas of elevated concentrations close to busy streets. To reduce levels of nitrogen dioxide, local authorities will prepare and implement an air quality plan for Dublin. Measures could include those used in other European cities, such as promoting the use of public transport, cycling and walking, and restricting more polluting vehicles from central areas. The announcement that Dublin has become the first Irish city to sign up to the WHO Breathe Life campaign, which entails making a commitment to meeting the WHO guideline values by 2030 (Breathe Life, 2020), is a positive step.
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