Air pollution from road traffic—particularly nitrogen dioxide from diesel engines—is a major health and environmental concern in UK cities. Children, the elderly, and people with underlying health conditions are most at risk, but poor air quality impacts everyone.

To combat this, many UK cities are introducing Clean Air Zones (CAZs). These zones are designed to reduce exposure to toxic air by discouraging high-polluting vehicles and promoting cleaner transport alternatives like walking, cycling, or public transport.

This month’s Clean Air Zone toolbox talk equips drivers with essential information about how these zones work, and what they need to know to stay compliant and avoid penalties. It includes:

• The health risks of air pollution and why action is being taken
• Different types of Clean Air Zones (A to D) and the emissions standards that apply
• A rundown of current CAZ locations, applicable vehicle charges, and upcoming expansions
• Details of the London Ultra Low Emission Zone (ULEZ) expansion to cover all boroughs from Autumn 2023

Drivers must recognise that environmental legislation is becoming a core part of operating in urban environments. Driving a non-compliant vehicle in a live Clean Air Zone will lead to daily charges – and failure to understand these requirements can result in costly Penalty Charge Notices (PCNs).

More importantly, drivers need to adopt a positive mindset toward environmental responsibility. While CAZs may introduce operational challenges beyond their control, professional drivers play a vital role in supporting cleaner, safer cities.