Environment in Cluj-Napoca 12 indicators covering environment for Cluj-Napoca. IndicatorLatest Year10-yr change Rank Drought - Cities and FUAs — Land soil moisture anomaly 2 Percentage change 2025 up 183.3% 235th Greenhouse gas emissions - Cities and FUAs — GHG emissions from waste 0.23 Tonnes of CO2-equivalent 2024 up 9.5% 177th Land surface temperature - Cities and FUAs — Daytime summer land 32.4 Degrees celsius 2024 up 6.6% 464th Land surface temperature - Cities and FUAs — Daytime winter land 4.97 Degrees celsius 2024 up 166.2% 890th Land surface temperature - Cities and FUAs — Daytime yearly land 22.47 Degrees celsius 2024 down 5.4% 589th Land surface temperature - Cities and FUAs — Nighttime summer land 16.75 Degrees celsius 2024 up 9.2% 627th Land surface temperature - Cities and FUAs — Nighttime winter land -3.65 Degrees celsius 2024 up 40.5% 1115th Land surface temperature - Cities and FUAs — Nighttime yearly land 7.81 Degrees celsius 2024 up 0.8% 731st Air pollution - Cities and FUAs — Population exposure to nitrogen 50.98 Microgrammes per cubic metre 2025 — 109th Air pollution - Cities and FUAs — Population exposure to ozone 77.89 Microgrammes per cubic metre 2025 — 751st Air pollution - Cities and FUAs — Population exposure to PM10 39.73 Microgrammes per cubic metre 2025 — 575th Air pollution - Cities and FUAs — Population exposure to PM2.5 34.77 Microgrammes per cubic metre 2025 — 377th