Environment in Hamm 12 indicators covering environment for Hamm. IndicatorLatest Year10-yr change Rank Drought - Cities and FUAs — Land soil moisture anomaly -10.1 Percentage change 2025 down 425.8% 1176th Greenhouse gas emissions - Cities and FUAs — GHG emissions from waste 0.02 Tonnes of CO2-equivalent 2024 down 33.3% 703rd Land surface temperature - Cities and FUAs — Daytime summer land 27.24 Degrees celsius 2024 down 18.3% 1019th Land surface temperature - Cities and FUAs — Daytime winter land 2.14 Degrees celsius 2024 down 21.6% 1208th Land surface temperature - Cities and FUAs — Daytime yearly land 18.85 Degrees celsius 2024 down 13.7% 1008th Land surface temperature - Cities and FUAs — Nighttime summer land 14.23 Degrees celsius 2024 down 2.1% 982nd Land surface temperature - Cities and FUAs — Nighttime winter land -1.4 Degrees celsius 2024 up 50.4% 905th Land surface temperature - Cities and FUAs — Nighttime yearly land 6.65 Degrees celsius 2024 down 9.1% 1006th Air pollution - Cities and FUAs — Population exposure to nitrogen 46.45 Microgrammes per cubic metre 2025 — 204th Air pollution - Cities and FUAs — Population exposure to ozone 89.07 Microgrammes per cubic metre 2025 — 529th Air pollution - Cities and FUAs — Population exposure to PM10 40.55 Microgrammes per cubic metre 2025 — 534th Air pollution - Cities and FUAs — Population exposure to PM2.5 31.31 Microgrammes per cubic metre 2025 — 477th