National alerts
Air pollution index, highest forecast
3 · Low
Today's forecast
Fresh · as of 12 Oct 2026no date announced
under 1h old · Forecast issued daily
Explained
Air pollution index, highest forecast: the official figure explained
The latest air pollution index, highest forecast figure from Defra · UK-AIR, with its period, release dates and full source link.
The live figure
Defra
What it measures
Air pollution index, highest forecast — Highest index forecast today across 5886 Defra forecast sites. The figure is published by Defra · UK-AIR and covers Today's forecast.
How often it is published
Defra · UK-AIR publishes this forecast issued daily. UKStats shows the figure exactly as published and never estimates values between releases.
Publisher notes
Defra's published Daily Air Quality Index, banded 1-10 by COMEAP. Forecast issued 11 Oct 2026 05:15:36 +0100; the highest site value is shown, not a national average.
Methodology
Defra · UK-AIR — original publicationUKStats reproduces the published figure exactly; the publisher's own methodology notes are the authoritative description of how it is compiled.
Cite this figure
Defra · UK-AIR, "Air pollution index, highest forecast", Today's forecast. Via UKStats (ukstats.co.uk/explained/uk-air-quality), accessed 12 October 2026. Original: https://uk-air.defra.gov.uk/forecasting/Embed this figure
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