Environment in Saint-Brieuc 13 indicators covering environment for Saint-Brieuc. IndicatorLatest Year10-yr change Rank Drought - Cities and FUAs β Land soil moisture anomaly -6.3 Percentage change 2025 down 320.0% 956th Greenhouse gas emissions - Cities and FUAs β GHG emissions from waste 0.01 Tonnes of CO2-equivalent 2024 unchanged 872nd Total and environment-related patents - FUAs β Patent applications 4.7 Patents 2022 up 6.8% 558th Land surface temperature - Cities and FUAs β Daytime summer land 27.88 Degrees celsius 2024 down 6.2% 959th Land surface temperature - Cities and FUAs β Daytime winter land 7.15 Degrees celsius 2024 up 9.7% 725th Land surface temperature - Cities and FUAs β Daytime yearly land 18.19 Degrees celsius 2024 down 8.7% 1088th Land surface temperature - Cities and FUAs β Nighttime summer land 12.09 Degrees celsius 2024 down 7.4% 1217th Land surface temperature - Cities and FUAs β Nighttime winter land 2.54 Degrees celsius 2024 up 84.4% 470th Land surface temperature - Cities and FUAs β Nighttime yearly land 7.85 Degrees celsius 2024 up 7.6% 720th Air pollution - Cities and FUAs β Population exposure to nitrogen 29.62 Microgrammes per cubic metre 2025 β 707th Air pollution - Cities and FUAs β Population exposure to ozone 118.66 Microgrammes per cubic metre 2025 β 143rd Air pollution - Cities and FUAs β Population exposure to PM10 35.6 Microgrammes per cubic metre 2025 β 787th Air pollution - Cities and FUAs β Population exposure to PM2.5 23.21 Microgrammes per cubic metre 2025 β 857th