Environment in St Helens

St Helens in North West scores 78/100 (very good) for environment, measured against the national average — a score of 60 is typical for the country.

Green spaces

379

Deprivation decile

4

NO₂ (µg/m³)

10.7

Flood Zone 3 (% area)

2%

Road noise ≥55 dB (% area)

30%

Data last updated: 15 August 2026