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Air Quality in East Hertfordshire

Maximum modelled annual-mean 9 μg/m³ PM2.5 and 21 μg/m³ NO2 in East Hertfordshire (DEFRA 2024), with ONS life expectancy of 83.3 years. Part of Hertfordshire.

What is the air quality in East Hertfordshire?

In East Hertfordshire, the highest modelled annual-mean concentrations in 2024 were 9 μg/m³ for PM2.5 and 21 μg/m³ for NO2, per DEFRA's UK-AIR Local Authority compliance data, and ONS life expectancy at birth is 83.3 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: )
East Hertfordshire air quality vs published limits (DEFRA 2024)
PollutantEast Hertfordshire (max annual mean)ComplianceWHO 2021UK limit
PM2.59 μg/m³Compliant5 μg/m³20 μg/m³
NO221 μg/m³Compliant10 μg/m³40 μg/m³

East Hertfordshire within Hertfordshire

Hertfordshire scores 60.3/100 on the Gera Healthy-Place Index (rank 84), with 91.7% of GP practices rated Good or Outstanding by the CQC and life expectancy of 82.6 years.

See the full Healthy-Place profile for Hertfordshire

Air quality in East Hertfordshire: FAQs

What is the air pollution level in East Hertfordshire?
The maximum modelled annual-mean air pollution in East Hertfordshire in 2024 was 9 μg/m³ for fine particulate matter (PM2.5) and 21 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 East Hertfordshire?
Life expectancy at birth in East Hertfordshire is 83.3 years (combined male and female, ONS). This is a population period estimate, not a prediction for any individual.
Where does East Hertfordshire sit within the Healthy-Place ranking?
East Hertfordshire is a lower-tier district within Hertfordshire, which scores 60.3/100 on the Gera Healthy-Place Index (rank 84) and has 91.7% 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 East Hertfordshire

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).