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Air quality data

View and analyse air quality data using our online tools.

About our air quality data monitoring tools

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

Air quality data guidance

This guide describes the various data sources presented through our air quality tool and how they can be evaluated.

Air quality data download

Download Westminster's air quality data.

Near real-time air quality monitors map

A map based near real-time view of high frequency air quality monitors across the city.

Health and deprivation data

Asthma and COPD data by ward, conditions that can be worsened by poor air quality, and overall deprivation data.

Air quality diffusion tube map

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

Air quality trend analysis tool

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

Air Quality in your area

The latest air quality data for your area

What's Next

Keep up to date with the latest releases and planned activities related to the Air Quality Data Platform.