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Air quality data guidance

Explore our guide to understand our data sources, collection methods, and how to evaluate and interpret the data effectively.

Our online tools offer a comprehensive view of air quality data in Westminster. Learn how to analyse and interpret this data with our detailed guidelines.

On these pages you can find guidance on how best to interpret and understand this data. We also outline, amongst other things:

  • how data is collected and how often
  • where data is collected from
  • types of pollutants monitored

Published: 11 May 2023

Last updated: 21 November 2024