The city with the highest pollution index in Romania in 2025 was Bucharest, with an index of 75.4, followed by Iasi. Brasov ranked fifth, with a pollution index of 35.7.
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Numbeo. (April 1, 2025). Pollution index for the biggest cities in Romania in 2025 [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 25, 2026, from /statistics/1101663/romania-pollution-index-of-largest-cities/
Numbeo. "Pollution index for the biggest cities in Romania in 2025." Chart. April 1, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 25, 2026. /statistics/1101663/romania-pollution-index-of-largest-cities/
Numbeo. (2025). Pollution index for the biggest cities in Romania in 2025. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 25, 2026. /statistics/1101663/romania-pollution-index-of-largest-cities/
Numbeo. "Pollution Index for The Biggest Cities in Romania in 2025." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 1 Apr 2025, /statistics/1101663/romania-pollution-index-of-largest-cities/
Numbeo, Pollution index for the biggest cities in Romania in 2025 ÌÇÐÄÆƽâ°æ, /statistics/1101663/romania-pollution-index-of-largest-cities/ (last visited July 25, 2026)
Pollution index for the biggest cities in Romania in 2025 [Graph], Numbeo, April 1, 2025. [Online]. Available: /statistics/1101663/romania-pollution-index-of-largest-cities/
