Environment in Ostrava 13 indicators covering environment for Ostrava. IndicatorLatest Year10-yr change Rank Drought - Cities and FUAs — Land soil moisture anomaly -0.9 Percentage change 2025 up 89.7% 460th Greenhouse gas emissions - Cities and FUAs — GHG emissions from waste 0.09 Tonnes of CO2-equivalent 2024 unchanged 352nd Total and environment-related patents - FUAs — Patent applications 10.9 Patents 2022 up 230.3% 441st Land surface temperature - Cities and FUAs — Daytime summer land 29.93 Degrees celsius 2024 down 5.5% 696th Land surface temperature - Cities and FUAs — Daytime winter land 3.52 Degrees celsius 2024 up 46.1% 1068th Land surface temperature - Cities and FUAs — Daytime yearly land 20.49 Degrees celsius 2024 down 11.8% 786th Land surface temperature - Cities and FUAs — Nighttime summer land 16.09 Degrees celsius 2024 up 4.4% 691st Land surface temperature - Cities and FUAs — Nighttime winter land -5.08 Degrees celsius 2024 up 4.4% 1220th Land surface temperature - Cities and FUAs — Nighttime yearly land 6.73 Degrees celsius 2024 up 13.7% 985th Air pollution - Cities and FUAs — Population exposure to nitrogen 47.23 Microgrammes per cubic metre 2025 — 190th Air pollution - Cities and FUAs — Population exposure to ozone 93.3 Microgrammes per cubic metre 2025 — 462nd Air pollution - Cities and FUAs — Population exposure to PM10 44.16 Microgrammes per cubic metre 2025 — 408th Air pollution - Cities and FUAs — Population exposure to PM2.5 36.94 Microgrammes per cubic metre 2025 — 333rd