Air quality

For a decade, Delhi has regularly received the dishonourable title of being the world’s most polluted city. The 30 million people living ...

The Swedish capital will soon have its first Zero Emission Zone (ZEZ), only allowing access in a central area to those vehicles that meet strict electrification and emission standards.

The EU's revised Ambient Air Quality Directive (AAQD) was officially adopted at the EU Environment Council on 14 October ...

The Singapore Land Transport Authority has announced that from 2025, new registrations of diesel cars and taxis will be ceased ...

In February 2024 the US Environmental Protection Agency finalised the new National Ambient Air Quality Standard (NAAQS) for PM2.5, reducing the limit from 12.0 µg/m3 to 9.0 µg/m3.

A new report by the Clean Air Centre shows that Poland has the potential to reach the AAQD thresholds proposed by the European Commission by 2030.

At the end of December, AirClim and a group of universities in the US, Sweden and Ethiopia organised the first air pollution meeting in Addis Ababa

More than $1 billion in government funding has been allocated to cities, but just 60% has been spent. Only 16 cities have achieved the targeted pollution cuts. What can be done?

A group of health scientists has recently published a scientific commentary which shows the significant consequences that postponing deadlines to achieve new EU air quality objectives would have for Europeans’ health.

So called, Low Traffic Neighbourhoods (LTN) were, in a recent study, shown to have the potential to substantially reduce air pollution and traffic in target areas.

The Mayor of London has launched a new scrappage scheme totalling £110 million to help prepare for the expansion of the Ultra-Low Emission Zone (ULEZ) from 29 August 2023.

Condensable primary organic aerosol emissions, described from here on as condensables, are organic compounds that occur in the gas (vapour) phase at the chimney stack, but as the stack air is cooled and diluted, they can undergo both condensation and evaporation processes.

C40 is a network of mayors from nearly 100 world-leading cities that has promised to deliver the action needed to reduce the climate crisis.

The European Commission recently announced decisions it had made in its July Infringements package.

The Covid lockdown led to reduced pollution from traffic in 2020. Nevertheless, 96 per cent of Europeans were exposed to harmful levels of fine particultate matter (PM_2.5).