Environment in New Haven 13 indicators covering environment for New Haven. IndicatorLatest Year10-yr change Rank Drought - Cities and FUAs — Land soil moisture anomaly 3.8 Percentage change 2025 up 153.3% 142nd Greenhouse gas emissions - Cities and FUAs — GHG emissions from waste 0.15 Tonnes of CO2-equivalent 2024 unchanged 247th Total and environment-related patents - FUAs — Patent applications 420.4 Patents 2022 up 10.5% 37th Land surface temperature - Cities and FUAs — Daytime summer land 27.64 Degrees celsius 2024 down 5.0% 982nd Land surface temperature - Cities and FUAs — Daytime winter land 4.94 Degrees celsius 2024 up 101.9% 896th Land surface temperature - Cities and FUAs — Daytime yearly land 18.45 Degrees celsius 2024 up 1.9% 1063rd Land surface temperature - Cities and FUAs — Nighttime summer land 16.94 Degrees celsius 2024 down 3.3% 610th Land surface temperature - Cities and FUAs — Nighttime winter land -3.57 Degrees celsius 2024 up 48.0% 1112th Land surface temperature - Cities and FUAs — Nighttime yearly land 5.55 Degrees celsius 2024 up 28.8% 1184th Air pollution - Cities and FUAs — Population exposure to nitrogen 14.64 Microgrammes per cubic metre 2025 — 883rd Air pollution - Cities and FUAs — Population exposure to ozone 53.72 Microgrammes per cubic metre 2025 — 1097th Air pollution - Cities and FUAs — Population exposure to PM10 14.93 Microgrammes per cubic metre 2025 — 1310th Air pollution - Cities and FUAs — Population exposure to PM2.5 7.45 Microgrammes per cubic metre 2025 — 1271st