Environment in Saltillo 13 indicators covering environment for Saltillo. IndicatorLatest Year10-yr change Rank Drought - Cities and FUAs — Land soil moisture anomaly -16.9 Percentage change 2025 down 238.5% 1288th Greenhouse gas emissions - Cities and FUAs — GHG emissions from waste 0.14 Tonnes of CO2-equivalent 2024 up 16.7% 257th Total and environment-related patents - FUAs — Patent applications 4 Patents 2022 up 25.0% 584th Land surface temperature - Cities and FUAs — Daytime summer land 36.81 Degrees celsius 2024 down 5.0% 210th Land surface temperature - Cities and FUAs — Daytime winter land 23.32 Degrees celsius 2024 down 6.9% 144th Land surface temperature - Cities and FUAs — Daytime yearly land 32.24 Degrees celsius 2024 down 2.6% 98th Land surface temperature - Cities and FUAs — Nighttime summer land 15.88 Degrees celsius 2024 up 6.2% 715th Land surface temperature - Cities and FUAs — Nighttime winter land 5.24 Degrees celsius 2024 down 11.8% 313th Land surface temperature - Cities and FUAs — Nighttime yearly land 11.67 Degrees celsius 2024 up 4.8% 335th Air pollution - Cities and FUAs — Population exposure to nitrogen 11.51 Microgrammes per cubic metre 2025 — 985th Air pollution - Cities and FUAs — Population exposure to ozone 77.69 Microgrammes per cubic metre 2025 — 753rd Air pollution - Cities and FUAs — Population exposure to PM10 54.82 Microgrammes per cubic metre 2025 — 227th Air pollution - Cities and FUAs — Population exposure to PM2.5 41.99 Microgrammes per cubic metre 2025 — 243rd