This statistic illustrates the nitrogen oxides (NOx) emission trend in Italy in selected years between 1990 and 2018. According to data, the level of this kind of pollutants in the air has decreased, over the period of consideration. In 1990, the emissions of nitrogen oxides amounted to Giga-grams, while in 2018 the level of NOx emissions was equal to *** Giga-grams.
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ISPRA. (April 1, 2020). Nitrogen oxides (NOx) emission trend in Italy in selected years between 1990 and 2018 (in Gg) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 27, 2026, from /statistics/809161/nitrogen-oxides-nox-emission-trend-in-italy/
ISPRA. "Nitrogen oxides (NOx) emission trend in Italy in selected years between 1990 and 2018 (in Gg)." Chart. April 1, 2020. ÌÇÐÄÆƽâ°æ. Accessed July 27, 2026. /statistics/809161/nitrogen-oxides-nox-emission-trend-in-italy/
ISPRA. (2020). Nitrogen oxides (NOx) emission trend in Italy in selected years between 1990 and 2018 (in Gg). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 27, 2026. /statistics/809161/nitrogen-oxides-nox-emission-trend-in-italy/
ISPRA. "Nitrogen Oxides (Nox) Emission Trend in Italy in Selected Years between 1990 and 2018 (in Gg)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 1 Apr 2020, /statistics/809161/nitrogen-oxides-nox-emission-trend-in-italy/
ISPRA, Nitrogen oxides (NOx) emission trend in Italy in selected years between 1990 and 2018 (in Gg) ÌÇÐÄÆƽâ°æ, /statistics/809161/nitrogen-oxides-nox-emission-trend-in-italy/ (last visited July 27, 2026)
Nitrogen oxides (NOx) emission trend in Italy in selected years between 1990 and 2018 (in Gg) [Graph], ISPRA, April 1, 2020. [Online]. Available: /statistics/809161/nitrogen-oxides-nox-emission-trend-in-italy/
