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% 345th Greenhouse gas emissions - Cities and FUAs — GHG emissions from waste 3.13 Tonnes of CO2-equivalent 2024 up 3.6% 10th 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% 736th Land surface temperature - Cities and FUAs — Daytime winter land -2.7 Degrees celsius 2024 up 63.7% 1327th Land surface temperature - Cities and FUAs — Daytime yearly land 19.4 Degrees celsius 2024 down 7.6% 928th Land surface temperature - Cities and FUAs — Nighttime summer land 16.2 Degrees celsius 2024 down 0.1% 674th Land surface temperature - Cities and FUAs — Nighttime winter land -10.7 Degrees celsius 2024 up 20.0% 1354th Land surface temperature - Cities and FUAs — Nighttime yearly land 2.88 Degrees celsius 2024 up 42.6% 1320th Air pollution - Cities and FUAs — Population exposure to nitrogen 22.98 Microgrammes per cubic metre 2025 — 771st Air pollution - Cities and FUAs — Population exposure to ozone 53.46 Microgrammes per cubic metre 2025 — 1097th Air pollution - Cities and FUAs — Population exposure to PM10 36.92 Microgrammes per cubic metre 2025 — 704th Air pollution - Cities and FUAs — Population exposure to PM2.5 10.27 Microgrammes per cubic metre 2025 — 1071st