Environment in Swansea 12 indicators covering environment for Swansea. IndicatorLatest Year10-yr change Rank Drought - Cities and FUAs — Land soil moisture anomaly 0.3 Percentage change 2025 down 86.4% 362nd Greenhouse gas emissions - Cities and FUAs — GHG emissions from waste 0.03 Tonnes of CO2-equivalent 2024 unchanged 590th Land surface temperature - Cities and FUAs — Daytime summer land 21 Degrees celsius 2024 down 21.8% 1349th Land surface temperature - Cities and FUAs — Daytime winter land 4.8 Degrees celsius 2024 down 1.8% 907th Land surface temperature - Cities and FUAs — Daytime yearly land 14.21 Degrees celsius 2024 down 14.9% 1323rd Land surface temperature - Cities and FUAs — Nighttime summer land 9.13 Degrees celsius 2024 down 15.4% 1337th Land surface temperature - Cities and FUAs — Nighttime winter land 1.15 Degrees celsius 2024 up 11,097.0% 617th Land surface temperature - Cities and FUAs — Nighttime yearly land 5.19 Degrees celsius 2024 up 0.5% 1227th Air pollution - Cities and FUAs — Population exposure to nitrogen 32.62 Microgrammes per cubic metre 2025 — 654th Air pollution - Cities and FUAs — Population exposure to ozone 112.61 Microgrammes per cubic metre 2025 — 180th Air pollution - Cities and FUAs — Population exposure to PM10 28.6 Microgrammes per cubic metre 2025 — 1000th Air pollution - Cities and FUAs — Population exposure to PM2.5 19.3 Microgrammes per cubic metre 2025 — 948th