About air quality in Tower Hamlets
Tower Hamlets stretches from the City fringe at Aldgate and Spitalfields east through Bethnal Green and Bow to the Isle of Dogs and Canary Wharf. The principal NO₂ pressure tracks the A11 (Whitechapel Road / Mile End Road) corridor, the A12 (Blackwall Tunnel approach), and the A13 (Commercial Road / East India Dock Road). Tower Hamlets has one of the best background-monitoring densities in Inner London — five active reference background sites — so the borough-level verdict here is among the more robust of the borough pages. Background levels have improved since the ULEZ extension in 2023.
PM₂.₅ across the borough is driven by regional inflows; on most days the borough shares air with the City of London, Hackney, and Newham. Coverage is dense across the central and northern wards and reasonable on the Isle of Dogs.
Last reviewed: 2026-05-18