Environment in Gniezno 13 indicators covering environment for Gniezno. IndicatorLatest Year10-yr change Rank Drought - Cities and FUAs — Land soil moisture anomaly -4 Percentage change 2025 up 68.5% 780th Greenhouse gas emissions - Cities and FUAs — GHG emissions from waste 0 Tonnes of CO2-equivalent 2024 — 1178th Total and environment-related patents - FUAs — Patent applications 0.5 Patents 2018 down 50.0% 800th Land surface temperature - Cities and FUAs — Daytime summer land 30.04 Degrees celsius 2024 down 8.1% 683rd Land surface temperature - Cities and FUAs — Daytime winter land 0.4531 Degrees celsius 2024 up 82.1% 1302nd Land surface temperature - Cities and FUAs — Daytime yearly land 22.09 Degrees celsius 2024 up 1.9% 626th Land surface temperature - Cities and FUAs — Nighttime summer land 14.76 Degrees celsius 2024 down 1.8% 909th Land surface temperature - Cities and FUAs — Nighttime winter land -6.25 Degrees celsius 2024 down 1.3% 1285th Land surface temperature - Cities and FUAs — Nighttime yearly land 6.96 Degrees celsius 2024 up 4.4% 928th Air pollution - Cities and FUAs — Population exposure to nitrogen 43.74 Microgrammes per cubic metre 2025 — 294th Air pollution - Cities and FUAs — Population exposure to ozone 103.13 Microgrammes per cubic metre 2025 — 283rd Air pollution - Cities and FUAs — Population exposure to PM10 62.2 Microgrammes per cubic metre 2025 — 167th Air pollution - Cities and FUAs — Population exposure to PM2.5 51.48 Microgrammes per cubic metre 2025 — 161st