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Are Low-Emission Zones Freeing European Cities from Smog?

Elyse Hauser

October 10, 2025 |

Triple Pundit |

Text |

800-1500 Words

Response Location: Belgium, Brussels

European cities have implemented low-emission zones that gradually restrict older, polluting vehicles from entering designated urban areas, in an effort to reduce air pollution. While effectiveness varies by region, since implementing these zones, Brussels has seen a 36% reduction in nitrogen oxide levels over five years, and air quality improvements extending up to five kilometers beyond the zone boundaries.

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