Environment in Saint-Louis 12 indicators covering environment for Saint-Louis. IndicatorLatest Year10-yr change Rank Drought - Cities and FUAs — Land soil moisture anomaly 26.1 Percentage change 2025 up 2,107.7% 2nd Greenhouse gas emissions - Cities and FUAs — GHG emissions from waste 0.03 Tonnes of CO2-equivalent 2024 up 50.0% 590th Land surface temperature - Cities and FUAs — Daytime summer land 27.68 Degrees celsius 2024 down 4.4% 979th Land surface temperature - Cities and FUAs — Daytime winter land 20.76 Degrees celsius 2024 down 4.1% 180th Land surface temperature - Cities and FUAs — Daytime yearly land 23.49 Degrees celsius 2024 down 1.8% 519th Land surface temperature - Cities and FUAs — Nighttime summer land 17.62 Degrees celsius 2024 down 3.0% 539th Land surface temperature - Cities and FUAs — Nighttime winter land 13.43 Degrees celsius 2024 up 0.7% 79th Land surface temperature - Cities and FUAs — Nighttime yearly land 15.39 Degrees celsius 2024 down 0.5% 154th Air pollution - Cities and FUAs — Population exposure to nitrogen 2.22 Microgrammes per cubic metre 2025 — 1283rd Air pollution - Cities and FUAs — Population exposure to ozone 52.73 Microgrammes per cubic metre 2025 — 1125th Air pollution - Cities and FUAs — Population exposure to PM10 46.47 Microgrammes per cubic metre 2025 — 347th Air pollution - Cities and FUAs — Population exposure to PM2.5 31.28 Microgrammes per cubic metre 2025 — 479th