dataset · United Kingdom

Defra national Pollution Climate Mapping (PCM) modelled background concentrations

Annually produced 1x1km background concentrations from Department for Environment, Food and Rural Affairs (Defra) national Pollution Climate (PCM) models. These are typically (but not uniquely) annual mean concentrations. The download webpage shows the years available for each pollutant and provides additional information on the relevant units/metrics. The model results are used in conjunction with measured concentrations from Defra's national monitoring networks to provide an air quality assess

Visit source ↗

Source details

Licence: UK Open Government Licence (OGL)

Evidence quality: 38.6

Listed in data.gov.uk public catalogue API on 2026-10-16; relevance/value screened (haiku).

Metadata checked: 2026-10-14T13:20:00.000Z

Evidence

https://uk-air.defra.gov.uk/data/pcm-data
https://www.data.gov.uk/dataset/394bf17d-ef9f-4649-b628-64d99de69618/defra-national-pollution-climate-mapping-pcm-modelled-background-concentrations

Check upstream coverage, uncertainty and licence before use. Station observations are not forecasts or design levels.