Environment in Istanbul 13 indicators covering environment for Istanbul. IndicatorLatest Year10-yr change Rank Drought - Cities and FUAs — Land soil moisture anomaly -5.6 Percentage change 2025 down 168.3% 909th Greenhouse gas emissions - Cities and FUAs — GHG emissions from waste 1.09 Tonnes of CO2-equivalent 2024 up 16.0% 32nd Total and environment-related patents - FUAs — Patent applications 180.1 Patents 2022 up 66.5% 88th Land surface temperature - Cities and FUAs — Daytime summer land 33.78 Degrees celsius 2024 up 3.8% 371st Land surface temperature - Cities and FUAs — Daytime winter land 12.78 Degrees celsius 2024 up 5.0% 418th Land surface temperature - Cities and FUAs — Daytime yearly land 25.55 Degrees celsius 2024 down 0.3% 383rd Land surface temperature - Cities and FUAs — Nighttime summer land 20.37 Degrees celsius 2024 up 3.5% 301st Land surface temperature - Cities and FUAs — Nighttime winter land 4.31 Degrees celsius 2024 up 20.7% 363rd Land surface temperature - Cities and FUAs — Nighttime yearly land 12.99 Degrees celsius 2024 up 1.3% 249th Air pollution - Cities and FUAs — Population exposure to nitrogen 81.22 Microgrammes per cubic metre 2025 — 2nd Air pollution - Cities and FUAs — Population exposure to ozone 88.12 Microgrammes per cubic metre 2025 — 547th Air pollution - Cities and FUAs — Population exposure to PM10 81.14 Microgrammes per cubic metre 2025 — 85th Air pollution - Cities and FUAs — Population exposure to PM2.5 72.7 Microgrammes per cubic metre 2025 — 67th