Environment in Cardiff 12 indicators covering environment for Cardiff. IndicatorLatest Year10-yr change Rank Drought - Cities and FUAs — Land soil moisture anomaly -2.8 Percentage change 2025 down 566.7% 659th Greenhouse gas emissions - Cities and FUAs — GHG emissions from waste 0.05 Tonnes of CO2-equivalent 2024 down 28.6% 486th Land surface temperature - Cities and FUAs — Daytime summer land 24.75 Degrees celsius 2024 down 18.2% 1255th Land surface temperature - Cities and FUAs — Daytime winter land 5.41 Degrees celsius 2024 up 2.4% 847th Land surface temperature - Cities and FUAs — Daytime yearly land 15.91 Degrees celsius 2024 down 12.2% 1272nd Land surface temperature - Cities and FUAs — Nighttime summer land 10.59 Degrees celsius 2024 down 18.3% 1295th Land surface temperature - Cities and FUAs — Nighttime winter land 1.4 Degrees celsius 2024 up 228.5% 583rd Land surface temperature - Cities and FUAs — Nighttime yearly land 6.16 Degrees celsius 2024 down 3.5% 1103rd Air pollution - Cities and FUAs — Population exposure to nitrogen 39.15 Microgrammes per cubic metre 2025 — 477th Air pollution - Cities and FUAs — Population exposure to ozone 96.64 Microgrammes per cubic metre 2025 — 386th Air pollution - Cities and FUAs — Population exposure to PM10 34.55 Microgrammes per cubic metre 2025 — 830th Air pollution - Cities and FUAs — Population exposure to PM2.5 24.89 Microgrammes per cubic metre 2025 — 770th