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Air Quality in Test Valley

Maximum modelled annual-mean 8 μg/m³ PM2.5 and 23 μg/m³ NO2 in Test Valley (DEFRA 2024), with ONS life expectancy of 83.1 years. Part of Hampshire.

What is the air quality in Test Valley?

In Test Valley, the highest modelled annual-mean concentrations in 2024 were 8 μg/m³ for PM2.5 and 23 μg/m³ for NO2, per DEFRA's UK-AIR Local Authority compliance data, and ONS life expectancy at birth is 83.1 years. The WHO 2021 annual-mean guidelines are 5 μg/m³ (PM2.5) and 10 μg/m³ (NO2).

Source:Gera Healthy-Place Index — composite of DEFRA + ONS + CQC open data·as of Air 2024 calendar year; life expectancy 2017-19; GP ratings 2026-06-01updated annually (last: )
Test Valley air quality vs published limits (DEFRA 2024)
PollutantTest Valley (max annual mean)ComplianceWHO 2021UK limit
PM2.58 μg/m³Compliant5 μg/m³20 μg/m³
NO223 μg/m³Compliant10 μg/m³40 μg/m³

Test Valley within Hampshire

Hampshire scores 67.1/100 on the Gera Healthy-Place Index (rank 48), with 98.0% of GP practices rated Good or Outstanding by the CQC and life expectancy of 83.0 years.

See the full Healthy-Place profile for Hampshire

Air quality in Test Valley: FAQs

What is the air pollution level in Test Valley?
The maximum modelled annual-mean air pollution in Test Valley in 2024 was 8 μg/m³ for fine particulate matter (PM2.5) and 23 μg/m³ for nitrogen dioxide (NO2), from DEFRA UK-AIR compliance data. DEFRA reports the maximum across the authority for limit-value assessment; the WHO 2021 guideline annual means are 5 μg/m³ (PM2.5) and 10 μg/m³ (NO2).
What is the life expectancy in Test Valley?
Life expectancy at birth in Test Valley is 83.1 years (combined male and female, ONS). This is a population period estimate, not a prediction for any individual.
Where does Test Valley sit within the Healthy-Place ranking?
Test Valley is a lower-tier district within Hampshire, which scores 67.1/100 on the Gera Healthy-Place Index (rank 48) and has 98.0% of GP practices rated Good or Outstanding by the CQC. The Healthy-Place Index is computed at upper-tier authority level because air, life expectancy and GP-access data align there.

Healthcare in Test Valley

A GeraClinic UK-registered clinician can see you by secure video from anywhere in the UK — useful for air-quality-related concerns such as asthma or COPD.

Contains public sector information published by Gera Systems and licensed under the Open Government Licence v3.0 (source data). Source: Gera Healthy-Place Index — composite of DEFRA + ONS + CQC open data (Air 2024 calendar year; life expectancy 2017-19; GP ratings 2026-06-01, published 19 June 2026).