Air quality data

View and analyse air quality data using our online tools.

How to view and analyse Westminster's air quality data using our online tools.

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

Access and download air quality data for Westminster as CSV files.

Search real-time air quality data across Westminster with our interactive map. Updated hourly for accurate and timely information.

Explore data on asthma and COPD by ward and view the distribution of deprivation data across Westminster.

A map based view of monthly and bi-monthly air quality diffusion tube data.

A reporting tool to analyse near-real time air quality monitors across the city

The latest air quality data for your area

A summary of our most recently published air quality data-related resources and what we plan to do next.