Environment in Thessaloniki 13 indicators covering environment for Thessaloniki. IndicatorLatest Year10-yr change Rank Drought - Cities and FUAs — Land soil moisture anomaly 6.6 Percentage change 2025 down 45.9% 56th Greenhouse gas emissions - Cities and FUAs — GHG emissions from waste 0.22 Tonnes of CO2-equivalent 2024 up 29.4% 183rd Total and environment-related patents - FUAs — Patent applications 10.8 Patents 2022 down 10.0% 437th Land surface temperature - Cities and FUAs — Daytime summer land 39.29 Degrees celsius 2024 up 7.2% 119th Land surface temperature - Cities and FUAs — Daytime winter land 12.62 Degrees celsius 2024 up 6.0% 426th Land surface temperature - Cities and FUAs — Daytime yearly land 28.34 Degrees celsius 2024 up 3.0% 246th Land surface temperature - Cities and FUAs — Nighttime summer land 24.34 Degrees celsius 2024 up 10.1% 34th Land surface temperature - Cities and FUAs — Nighttime winter land 4.22 Degrees celsius 2024 up 49.3% 375th Land surface temperature - Cities and FUAs — Nighttime yearly land 14.04 Degrees celsius 2024 up 9.7% 198th Air pollution - Cities and FUAs — Population exposure to nitrogen 58.64 Microgrammes per cubic metre 2025 — 39th Air pollution - Cities and FUAs — Population exposure to ozone 81.07 Microgrammes per cubic metre 2025 — 699th Air pollution - Cities and FUAs — Population exposure to PM10 54.69 Microgrammes per cubic metre 2025 — 227th Air pollution - Cities and FUAs — Population exposure to PM2.5 36.14 Microgrammes per cubic metre 2025 — 352nd