London · London borough

Hounslow

2026/27 view

Hounslow · ONS E09000018

Financial position as at 2026/27 Q1 quarter end

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PEOPLE AND PLACE

Population and community profile

Latest official statistics

Population 299,424 2024

London region 9,089,736

Five-year population change

+9,772 residents ↑ 3.4%

Hounslow +3.4%

London +2.2%

England +4.3%

Growth context

Hounslow's population grew over five years. Its change was 1.1 percentage points above the London and 0.9 percentage points below England.

2019–2024 ONS mid-year estimates

Population estimates and labour-market measures from ONS/Nomis.Official profile

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

8.6 µg/m³

PM2.5 · 2,024

Human-related sources 8.0 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

44.3%

15.4 8.0

2011 2024

Since 2011 ↓ 44.3%

5 years ↓ 25.8%

10 years ↓ 35.9%

CURRENT MONITORING

Latest station measurement

UK-AIR

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

HEALTH IMPACT

Particulate air pollution

6.4% 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