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Distribution of nitrogen oxides (NOx) emissions in the United Kingdom (UK) in 2023, by source

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Source

Release date

March 2025

Region

United Kingdom

Survey time period

2023

Special properties

Nitrogen oxides emissions as NOâ‚‚. Based on total emissions of 601,900 metric tons

Supplementary notes

This statistic is using original data from the Department for Environment, Food and Rural Affairs and includes copyright material from © Crown, licensed under the

Citation formats

Share of nitrogen oxides emissions in the UK 2023, by source

Published by ÌÇÐÄÆƽâ°æ Research Department, Mar 26, 2025

Emissions of nitrogen oxides (NOx) in the United Kingdom totaled ** metric tons in 2023. Road transportation was the largest source of nitrogen oxides, accounting for ** percent of total emissions that year, while non-road transportation contributed an additional **** percent. Annual emissions of NOx in the UK have fallen considerably in recent decades due to stricter regulations and the introduction of catalytic converters which reduce toxic gases from vehicle exhausts.

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