Environment in Sliven 15 indicators covering environment for Sliven. IndicatorLatest Year10-yr change Rank Drought - Cities and FUAs — Land soil moisture anomaly -0.1 Percentage change 2025 down 102.6% 391st Historical exposure to drought — Cropland soil moisture anomaly -0.1204 Percentage change 2025 down 103.1% 882nd Historical exposure to drought — Land soil moisture anomaly 0.5722 Percentage change 2025 down 80.6% 776th Greenhouse gas emissions - Cities and FUAs — GHG emissions from waste 0.49 Tonnes of CO2-equivalent 2024 down 3.9% 88th River flooding exposure — Cropland share exposed to river flooding 3.14 Percentage of agricultural land area 2022 up 0.4% 1304th Land surface temperature - Cities and FUAs — Daytime summer land 33.64 Degrees celsius 2024 up 11.1% 376th Land surface temperature - Cities and FUAs — Daytime winter land 9.86 Degrees celsius 2024 up 20.6% 592nd Land surface temperature - Cities and FUAs — Daytime yearly land 23.83 Degrees celsius 2024 up 4.4% 482nd Land surface temperature - Cities and FUAs — Nighttime summer land 17.85 Degrees celsius 2024 up 8.9% 516th Land surface temperature - Cities and FUAs — Nighttime winter land -0.919 Degrees celsius 2024 up 42.7% 836th Land surface temperature - Cities and FUAs — Nighttime yearly land 9.64 Degrees celsius 2024 up 4.3% 513th Air pollution - Cities and FUAs — Population exposure to nitrogen 39 Microgrammes per cubic metre 2025 — 478th Air pollution - Cities and FUAs — Population exposure to ozone 116.68 Microgrammes per cubic metre 2025 — 154th Air pollution - Cities and FUAs — Population exposure to PM10 34.05 Microgrammes per cubic metre 2025 — 846th Air pollution - Cities and FUAs — Population exposure to PM2.5 29.69 Microgrammes per cubic metre 2025 — 542nd