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Air quality monitoring

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1. Air Quality Monitoring Summary

Air Quality Virtual Sensor Project
We are currently participating in a project to develop understanding of air pollution levels in the Heavitree area. See more details about the Air Quality Virtual Sensor Project.


Most of the time pollution levels in Exeter are low, and are unlikely to affect you if you are healthy. But on days where pollution levels are higher, or for particularly vulnerable groups, air pollution can cause immediate effects like coughing and wheezing.

We have declared part of the city to be an air quality management area, and are taking steps to reduce air pollution.

On this page you can find our recent reports on air quality and our air quality data.


Non-technical report

Air quality in Exeter mainly meets government objectives, with concentrations showing long-term downward trends and just a small number of hot spots where levels of nitrogen dioxide (NO2) are above government objectives. This document aims to summarise the monitoring undertaken by Exeter City Council and the city’s latest air pollution levels:


Annual Status Report

Every year the City Council produces a report which summarises the latest air pollution levels, and actions that are being taken in the city to reduce pollution. The reports for the last seven years are available to download below.


Appraisal reports

The Annual Status Report is sent to the Department for Environment, Food and Rural Affairs (DEFRA) to be checked. They issue an Appraisal Report which says whether the report meets the standards they expect and if any other work is required.


Air quality monitoring data

This map shows the locations of our air monitoring sites. Click on a site to see its name and annual average nitrogen dioxide concentration for 2021. See our detailed list of  monitoring sites and results.

As well as this, some of our monitoring can be seen in real time.