Environment in Sofia 15 indicators covering environment for Sofia. IndicatorLatest Year10-yr change Rank Drought - Cities and FUAs — Land soil moisture anomaly -4.5 Percentage change 2025 down 236.4% 813th Historical exposure to drought — Cropland soil moisture anomaly -3.42 Percentage change 2025 down 332.3% 1749th Historical exposure to drought — Land soil moisture anomaly -3.52 Percentage change 2025 down 338.6% 1882nd Greenhouse gas emissions - Cities and FUAs — GHG emissions from waste 0.81 Tonnes of CO2-equivalent 2024 down 29.6% 45th River flooding exposure — Cropland share exposed to river flooding 0.3901 Percentage of agricultural land area 2022 up 2.0% 2311th Land surface temperature - Cities and FUAs — Daytime summer land 31.55 Degrees celsius 2024 up 16.1% 527th Land surface temperature - Cities and FUAs — Daytime winter land 6.27 Degrees celsius 2024 up 22.0% 762nd Land surface temperature - Cities and FUAs — Daytime yearly land 21.84 Degrees celsius 2024 up 3.4% 642nd Land surface temperature - Cities and FUAs — Nighttime summer land 16.58 Degrees celsius 2024 up 13.9% 639th Land surface temperature - Cities and FUAs — Nighttime winter land -2.8 Degrees celsius 2024 up 30.0% 1049th Land surface temperature - Cities and FUAs — Nighttime yearly land 7.31 Degrees celsius 2024 up 9.8% 830th Air pollution - Cities and FUAs — Population exposure to nitrogen 52.46 Microgrammes per cubic metre 2025 — 84th Air pollution - Cities and FUAs — Population exposure to ozone 90.75 Microgrammes per cubic metre 2025 — 502nd Air pollution - Cities and FUAs — Population exposure to PM10 51.92 Microgrammes per cubic metre 2025 — 260th Air pollution - Cities and FUAs — Population exposure to PM2.5 37.37 Microgrammes per cubic metre 2025 — 322nd