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Overview

South East · County council

East Sussex County Council

2026/27 view

East Sussex County Council · ONS E10000011

Financial position as at 2026/27 Q1 quarter end

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AIR QUALITY

How clean is the air?

Long-term particulate pollution across the council area, alongside measurements from local UK-AIR monitoring stations.

Defra 2,024
POPULATION-WEIGHTED ANNUAL MEAN

Fine particulate matter

6.5 µg/m³

PM2.5 · 2,024

Human-related sources 5.9 µg/m³
Other sources 0.5 µg/m³
Modelled population-weighted annual concentration across the local authority area. This is not a live sensor reading.
LONG-TERM TREND

PM2.5 over time

43.9%
11.5 5.2
2011: 11.50 µg/m³ 2012: 10.19 µg/m³ 2013: 10.56 µg/m³ 2014: 9.89 µg/m³ 2015: 8.92 µg/m³ 2016: 10.44 µg/m³ 2017: 10.11 µg/m³ 2018: 9.67 µg/m³ 2019: 8.94 µg/m³ 2020: 7.36 µg/m³ 2021: 6.28 µg/m³ 2022: 5.20 µg/m³ 2023: 6.17 µg/m³ 2024: 6.46 µg/m³
2011 2024
Since 2011 ↓ 43.9%
5 years ↓ 27.8%
10 years ↓ 34.7%
CURRENT MONITORING

Latest station measurement

UK-AIR
No active UK-AIR monitoring station is currently mapped to this council.
HEALTH IMPACT

Particulate air pollution

4.8% of mortality attributable to particulate air pollution
2024 Not compared

This OHID measure estimates the mortality burden associated with particulate air pollution. It is a health-impact measure, not a pollution concentration.

Annual PM2.5 is Defra Pollution Climate Mapping data. Monitoring readings are station-specific UK-AIR measurements and may be provisional. Defra source