Environment in Montreal 13 indicators covering environment for Montreal. IndicatorLatest Year10-yr change Rank Drought - Cities and FUAs — Land soil moisture anomaly 0.5 Percentage change 2025 up 266.7% 347th Greenhouse gas emissions - Cities and FUAs — GHG emissions from waste 3.13 Tonnes of CO2-equivalent 2024 up 3.6% 11th Total and environment-related patents - FUAs — Patent applications 469.8 Patents 2022 down 2.5% 32nd Land surface temperature - Cities and FUAs — Daytime summer land 29.59 Degrees celsius 2024 down 7.3% 743rd Land surface temperature - Cities and FUAs — Daytime winter land -2.7 Degrees celsius 2024 up 63.7% 1335th Land surface temperature - Cities and FUAs — Daytime yearly land 19.4 Degrees celsius 2024 down 7.6% 936th Land surface temperature - Cities and FUAs — Nighttime summer land 16.2 Degrees celsius 2024 down 0.1% 677th Land surface temperature - Cities and FUAs — Nighttime winter land -10.7 Degrees celsius 2024 up 20.0% 1362nd Land surface temperature - Cities and FUAs — Nighttime yearly land 2.88 Degrees celsius 2024 up 42.6% 1328th Air pollution - Cities and FUAs — Population exposure to nitrogen 22.98 Microgrammes per cubic metre 2025 — 778th Air pollution - Cities and FUAs — Population exposure to ozone 53.46 Microgrammes per cubic metre 2025 — 1104th Air pollution - Cities and FUAs — Population exposure to PM10 36.92 Microgrammes per cubic metre 2025 — 710th Air pollution - Cities and FUAs — Population exposure to PM2.5 10.27 Microgrammes per cubic metre 2025 — 1078th