Environment in St. Helens 12 indicators covering environment for St. Helens. IndicatorLatest Year10-yr change Rank Drought - Cities and FUAs — Land soil moisture anomaly -6.9 Percentage change 2025 down 276.9% 999th Greenhouse gas emissions - Cities and FUAs — GHG emissions from waste 0.05 Tonnes of CO2-equivalent 2024 down 16.7% 486th Land surface temperature - Cities and FUAs — Daytime summer land 23.68 Degrees celsius 2024 down 22.7% 1288th Land surface temperature - Cities and FUAs — Daytime winter land 4.08 Degrees celsius 2024 up 3.5% 998th Land surface temperature - Cities and FUAs — Daytime yearly land 14.79 Degrees celsius 2024 down 18.5% 1300th Land surface temperature - Cities and FUAs — Nighttime summer land 9.57 Degrees celsius 2024 down 19.3% 1326th Land surface temperature - Cities and FUAs — Nighttime winter land 0.3619 Degrees celsius 2024 up 145.9% 696th Land surface temperature - Cities and FUAs — Nighttime yearly land 4.92 Degrees celsius 2024 down 20.8% 1244th Air pollution - Cities and FUAs — Population exposure to nitrogen 44.41 Microgrammes per cubic metre 2025 — 276th Air pollution - Cities and FUAs — Population exposure to ozone 88.37 Microgrammes per cubic metre 2025 — 541st Air pollution - Cities and FUAs — Population exposure to PM10 34.24 Microgrammes per cubic metre 2025 — 843rd Air pollution - Cities and FUAs — Population exposure to PM2.5 24.55 Microgrammes per cubic metre 2025 — 794th