Jersey Reports Continued Improvements in Air Quality for 2024 Jersey’s Natural Environment Water and Air team, part of the Infrastructure and Environment Department, has released its 2024 Annual Air Quality Report, produced in partnership with Ricardo Ltd. Monitoring throughout the year included automatic measurements of nitrogen dioxide (NO₂) and particulate matter (PM₁₀ and PM₂.₅) at sites across St Helier and other locations, as well as diffusion tube sampling for NO₂ and
