Environment in Alphen aan den Rijn 13 indicators covering environment for Alphen aan den Rijn. IndicatorLatest Year10-yr change Rank Drought - Cities and FUAs — Land soil moisture anomaly -10.3 Percentage change 2025 down 835.7% 1185th Greenhouse gas emissions - Cities and FUAs — GHG emissions from waste 0.03 Tonnes of CO2-equivalent 2024 down 40.0% 590th Total and environment-related patents - FUAs — Patent applications 6.1 Patents 2022 up 8.9% 524th Land surface temperature - Cities and FUAs — Daytime summer land 25.61 Degrees celsius 2024 down 16.8% 1196th Land surface temperature - Cities and FUAs — Daytime winter land 3.83 Degrees celsius 2024 up 17.7% 1030th Land surface temperature - Cities and FUAs — Daytime yearly land 17.36 Degrees celsius 2024 down 8.1% 1191st Land surface temperature - Cities and FUAs — Nighttime summer land 13.44 Degrees celsius 2024 up 0.2% 1105th Land surface temperature - Cities and FUAs — Nighttime winter land 0.1992 Degrees celsius 2024 up 110.1% 713th Land surface temperature - Cities and FUAs — Nighttime yearly land 7.03 Degrees celsius 2024 up 7.6% 905th Air pollution - Cities and FUAs — Population exposure to nitrogen 52.16 Microgrammes per cubic metre 2025 — 91st Air pollution - Cities and FUAs — Population exposure to ozone 76.63 Microgrammes per cubic metre 2025 — 768th Air pollution - Cities and FUAs — Population exposure to PM10 42.27 Microgrammes per cubic metre 2025 — 467th Air pollution - Cities and FUAs — Population exposure to PM2.5 29.9 Microgrammes per cubic metre 2025 — 537th