Environment in Rouen 13 indicators covering environment for Rouen. IndicatorLatest Year10-yr change Rank Drought - Cities and FUAs — Land soil moisture anomaly -8.4 Percentage change 2025 down 394.1% 1074th Greenhouse gas emissions - Cities and FUAs — GHG emissions from waste 0.07 Tonnes of CO2-equivalent 2024 unchanged 407th Total and environment-related patents - FUAs — Patent applications 34.1 Patents 2022 down 31.1% 271st Land surface temperature - Cities and FUAs — Daytime summer land 27.41 Degrees celsius 2024 down 13.6% 1001st Land surface temperature - Cities and FUAs — Daytime winter land 4.95 Degrees celsius 2024 down 7.7% 895th Land surface temperature - Cities and FUAs — Daytime yearly land 18.58 Degrees celsius 2024 down 10.8% 1037th Land surface temperature - Cities and FUAs — Nighttime summer land 13.87 Degrees celsius 2024 down 10.9% 1035th Land surface temperature - Cities and FUAs — Nighttime winter land 1.23 Degrees celsius 2024 up 107.4% 605th Land surface temperature - Cities and FUAs — Nighttime yearly land 7.64 Degrees celsius 2024 down 10.2% 766th Air pollution - Cities and FUAs — Population exposure to nitrogen 41.76 Microgrammes per cubic metre 2025 — 383rd Air pollution - Cities and FUAs — Population exposure to ozone 85.2 Microgrammes per cubic metre 2025 — 617th Air pollution - Cities and FUAs — Population exposure to PM10 37.53 Microgrammes per cubic metre 2025 — 686th Air pollution - Cities and FUAs — Population exposure to PM2.5 27.07 Microgrammes per cubic metre 2025 — 679th