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Ilam

PM₁₀, carbon monoxide and sulphur dioxide were all measured at this site between 2004 and 2005. PM₁₀ exceeded the daily guideline on a number of days during winter. Carbon monoxide and sulphur dioxide were always below guidelines.

Scientific Indicators

Scientific data for this site

This dashboard shows the latest results for air quality indicators collected by regional councils and unitary authorities. Indicators are shown against the National Environmental Standards for Air Quality (NES-AQ). Where no national standards exist for the air quality measurements shown, the data are compared against other guidelines (e.g. World Health Organization (WHO) 2021 guidelines, Ambient Air Quality Guidelines (AAQG)).

Select 'Show more information +' under a dashboard to see the current and historical monitoring data.