Environment in Christchurch 12 indicators covering environment for Christchurch. IndicatorLatest Year10-yr change Rank Drought - Cities and FUAs β Land soil moisture anomaly 10.3 Percentage change 2025 up 207.3% 12th Greenhouse gas emissions - Cities and FUAs β GHG emissions from waste 0.62 Tonnes of CO2-equivalent 2024 down 15.1% 68th Land surface temperature - Cities and FUAs β Daytime summer land 29.07 Degrees celsius 2024 down 7.8% 807th Land surface temperature - Cities and FUAs β Daytime winter land 9.37 Degrees celsius 2024 down 11.2% 625th Land surface temperature - Cities and FUAs β Daytime yearly land 19.05 Degrees celsius 2024 down 1.6% 977th Land surface temperature - Cities and FUAs β Nighttime summer land 11.69 Degrees celsius 2024 down 14.2% 1236th Land surface temperature - Cities and FUAs β Nighttime winter land 2.55 Degrees celsius 2024 up 27.7% 469th Land surface temperature - Cities and FUAs β Nighttime yearly land 6.72 Degrees celsius 2024 down 3.0% 987th Air pollution - Cities and FUAs β Population exposure to nitrogen 2.92 Microgrammes per cubic metre 2025 β 1264th Air pollution - Cities and FUAs β Population exposure to ozone 40.6 Microgrammes per cubic metre 2025 β 1312th Air pollution - Cities and FUAs β Population exposure to PM10 29.09 Microgrammes per cubic metre 2025 β 987th Air pollution - Cities and FUAs β Population exposure to PM2.5 22.44 Microgrammes per cubic metre 2025 β 892nd