Environment in Napier 12 indicators covering environment for Napier. IndicatorLatest Year10-yr change Rank Drought - Cities and FUAs — Land soil moisture anomaly 3.3 Percentage change 2025 up 135.1% 160th Greenhouse gas emissions - Cities and FUAs — GHG emissions from waste 0.02 Tonnes of CO2-equivalent 2024 unchanged 703rd Land surface temperature - Cities and FUAs — Daytime summer land 28.11 Degrees celsius 2024 down 9.1% 926th Land surface temperature - Cities and FUAs — Daytime winter land 11.81 Degrees celsius 2024 down 6.0% 481st Land surface temperature - Cities and FUAs — Daytime yearly land 20.44 Degrees celsius 2024 down 4.2% 791st Land surface temperature - Cities and FUAs — Nighttime summer land 13.79 Degrees celsius 2024 down 10.4% 1047th Land surface temperature - Cities and FUAs — Nighttime winter land 4.25 Degrees celsius 2024 down 0.6% 376th Land surface temperature - Cities and FUAs — Nighttime yearly land 8.54 Degrees celsius 2024 down 5.1% 625th Air pollution - Cities and FUAs — Population exposure to nitrogen 1.31 Microgrammes per cubic metre 2025 — 1315th Air pollution - Cities and FUAs — Population exposure to ozone 44.6 Microgrammes per cubic metre 2025 — 1281st Air pollution - Cities and FUAs — Population exposure to PM10 25.02 Microgrammes per cubic metre 2025 — 1106th Air pollution - Cities and FUAs — Population exposure to PM2.5 18.75 Microgrammes per cubic metre 2025 — 958th