Impact assessment

HS2 Air Quality Annual Report 2025

This 2025 Annual Air Quality Report focuses on the air quality monitoring undertaken in the 2025 calendar year across HS2.

• From: High Speed Two (HS2) Limited
• Published: 1 September 2026

Documents

HS2 air quality annual report 2025

PDF, 4.08 MB, 78 pages

Details

The reports detail the monitoring undertaken during the construction works on Phase One.

Published 1 September 2026