In 2023, the exposure to PM2.5 air pollution in the UK stood at 9.50 micrograms per cubic meter. From 2024 onwards, a gradual decline in exposure is forecasted, with 9.32 in 2024 and decreasing to 8.78 by 2028. Year-on-year decreases reflect small but steady improvements: a 1.5% reduction from 2024 to 2025, a 1.4% decrease to 2026, a 1.6% drop to 2027, and a 1.5% reduction to 2028. The compound annual growth rate (CAGR) over this forecasted period reveals an average decline of approximately 1.5% per year.
Future trends to watch for include the impact of evolving environmental policies, advancements in renewable energy, and increasing public awareness on air quality improvements. Monitoring these areas may provide insights into accelerating exposure reduction efforts.
