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Air pollution in Glastonbury, Somerset

Air pollution breaches

The Air Quality Standards Regulations (2010) sets out the legal safe limits for specific air pollutants.

When a pollutant goes over (breaches) its legal safe limit in one area, it may be a serious health risk to people nearby. Find out what to do if you’re in an area with an active air pollution breach.

Air pollution levels across the UK are measured hourly.

Active breaches

There is currently 0 active air pollution breach

Past breaches

Recorded in the last 12 months

Honiton, South West (27 May 2026)

Alert region
South West
Monitoring area
Honiton
Pollutant
Ozone (What causes high ozone levels?)
Data source
Automatic Urban and Rural Network (AURN)
Alert period
From 11:00pm, 27 May 2026
To 11:00pm, 28 May 2026

Honiton, South West (27 May 2026)

Alert region
South West
Monitoring area
Honiton
Pollutant
Ozone (What causes high ozone levels?)
Data source
Automatic Urban and Rural Network (AURN)
Alert period
From 10:00pm, 27 May 2026
To 10:00pm, 28 May 2026

Yarner Wood, South West (27 May 2026)

Alert region
South West
Monitoring area
Yarner Wood
Pollutant
Ozone (What causes high ozone levels?)
Data source
Automatic Urban and Rural Network (AURN)
Alert period
From 10:00pm, 27 May 2026
To 10:00pm, 28 May 2026

Yarner Wood, South West (27 May 2026)

Alert region
South West
Monitoring area
Yarner Wood
Pollutant
Ozone (What causes high ozone levels?)
Data source
Automatic Urban and Rural Network (AURN)
Alert period
From 10:00pm, 27 May 2026
To 10:00pm, 28 May 2026

Exeter Roadside, South West (27 May 2026)

Alert region
South West
Monitoring area
Exeter Roadside
Pollutant
Ozone (What causes high ozone levels?)
Data source
Automatic Urban and Rural Network (AURN)
Alert period
From 9:00pm, 27 May 2026
To 9:00pm, 28 May 2026

Honiton, South West (27 May 2026)

Alert region
South West
Monitoring area
Honiton
Pollutant
Ozone (What causes high ozone levels?)
Data source
Automatic Urban and Rural Network (AURN)
Alert period
From 9:00pm, 27 May 2026
To 9:00pm, 28 May 2026

Exeter Roadside, South West (27 May 2026)

Alert region
South West
Monitoring area
Exeter Roadside
Pollutant
Ozone (What causes high ozone levels?)
Data source
Automatic Urban and Rural Network (AURN)
Alert period
From 8:00pm, 27 May 2026
To 8:00pm, 28 May 2026

Honiton, South West (27 May 2026)

Alert region
South West
Monitoring area
Honiton
Pollutant
Ozone (What causes high ozone levels?)
Data source
Automatic Urban and Rural Network (AURN)
Alert period
From 8:00pm, 27 May 2026
To 8:00pm, 28 May 2026

Exeter Roadside, South West (27 May 2026)

Alert region
South West
Monitoring area
Exeter Roadside
Pollutant
Ozone (What causes high ozone levels?)
Data source
Automatic Urban and Rural Network (AURN)
Alert period
From 7:00pm, 27 May 2026
To 7:00pm, 28 May 2026

Honiton, South West (27 May 2026)

Alert region
South West
Monitoring area
Honiton
Pollutant
Ozone (What causes high ozone levels?)
Data source
Automatic Urban and Rural Network (AURN)
Alert period
From 7:00pm, 27 May 2026
To 7:00pm, 28 May 2026

Yarner Wood, South West (27 May 2026)

Alert region
South West
Monitoring area
Yarner Wood
Pollutant
Ozone (What causes high ozone levels?)
Data source
Automatic Urban and Rural Network (AURN)
Alert period
From 7:00pm, 27 May 2026
To 7:00pm, 28 May 2026

Bournemouth, South West (27 May 2026)

Alert region
South West
Monitoring area
Bournemouth
Pollutant
Ozone (What causes high ozone levels?)
Data source
Automatic Urban and Rural Network (AURN)
Alert period
From 6:00pm, 27 May 2026
To 6:00pm, 28 May 2026

Yarner Wood, South West (27 May 2026)

Alert region
South West
Monitoring area
Yarner Wood
Pollutant
Ozone (What causes high ozone levels?)
Data source
Automatic Urban and Rural Network (AURN)
Alert period
From 6:00pm, 27 May 2026
To 6:00pm, 28 May 2026

Bournemouth, South West (27 May 2026)

Alert region
South West
Monitoring area
Bournemouth
Pollutant
Ozone (What causes high ozone levels?)
Data source
Automatic Urban and Rural Network (AURN)
Alert period
From 5:00pm, 27 May 2026
To 5:00pm, 28 May 2026

Exeter Roadside, South West (27 May 2026)

Alert region
South West
Monitoring area
Exeter Roadside
Pollutant
Ozone (What causes high ozone levels?)
Data source
Automatic Urban and Rural Network (AURN)
Alert period
From 5:00pm, 27 May 2026
To 5:00pm, 28 May 2026

Swindon Walcot, South West (27 May 2026)

Alert region
South West
Monitoring area
Swindon Walcot
Pollutant
Ozone (What causes high ozone levels?)
Data source
Automatic Urban and Rural Network (AURN)
Alert period
From 4:00pm, 27 May 2026
To 4:00pm, 28 May 2026

Leicester University, East Midlands (25 May 2026)

Alert region
East Midlands
Monitoring area
Leicester University
Pollutant
Ozone (What causes high ozone levels?)
Data source
Automatic Urban and Rural Network (AURN)
Alert period
From 8:00pm, 25 May 2026
To 8:00pm, 26 May 2026

Northampton Spring Park, East Midlands (25 May 2026)

Alert region
East Midlands
Monitoring area
Northampton Spring Park
Pollutant
Ozone (What causes high ozone levels?)
Data source
Automatic Urban and Rural Network (AURN)
Alert period
From 7:00pm, 25 May 2026
To 7:00pm, 26 May 2026

Northampton Spring Park, East Midlands (25 May 2026)

Alert region
East Midlands
Monitoring area
Northampton Spring Park
Pollutant
Ozone (What causes high ozone levels?)
Data source
Automatic Urban and Rural Network (AURN)
Alert period
From 6:00pm, 25 May 2026
To 6:00pm, 26 May 2026

Salford Eccles, North West & Merseyside (13 August 2025)

Alert region
North West & Merseyside
Monitoring area
Salford Eccles
Pollutant
Ozone (What causes high ozone levels?)
Data source
Automatic Urban and Rural Network (AURN)
Alert period
From 5:00pm, 13 August 2025
To 5:00pm, 14 August 2025

Glazebury, North West & Merseyside (13 August 2025)

Alert region
North West & Merseyside
Monitoring area
Glazebury
Pollutant
Ozone (What causes high ozone levels?)
Data source
Automatic Urban and Rural Network (AURN)
Alert period
From 4:00pm, 13 August 2025
To 4:00pm, 14 August 2025

Salford Eccles, North West & Merseyside (13 August 2025)

Alert region
North West & Merseyside
Monitoring area
Salford Eccles
Pollutant
Ozone (What causes high ozone levels?)
Data source
Automatic Urban and Rural Network (AURN)
Alert period
From 4:00pm, 13 August 2025
To 4:00pm, 14 August 2025

Swindon Walcot, South West (12 August 2025)

Alert region
South West
Monitoring area
Swindon Walcot
Pollutant
Ozone (What causes high ozone levels?)
Data source
Automatic Urban and Rural Network (AURN)
Alert period
From 6:00pm, 12 August 2025
To 6:00pm, 13 August 2025

Leamington Spa, West Midlands (11 July 2025)

Alert region
West Midlands
Monitoring area
Leamington Spa
Pollutant
Ozone (What causes high ozone levels?)
Data source
Automatic Urban and Rural Network (AURN)
Alert period
From 7:00pm, 11 July 2025
To 7:00pm, 12 July 2025

Birmingham Hall Green, West Midlands (11 July 2025)

Alert region
West Midlands
Monitoring area
Birmingham Hall Green
Pollutant
Ozone (What causes high ozone levels?)
Data source
Automatic Urban and Rural Network (AURN)
Alert period
From 5:00pm, 11 July 2025
To 5:00pm, 12 July 2025

Birmingham Hall Green, West Midlands (11 July 2025)

Alert region
West Midlands
Monitoring area
Birmingham Hall Green
Pollutant
Ozone (What causes high ozone levels?)
Data source
Automatic Urban and Rural Network (AURN)
Alert period
From 4:00pm, 11 July 2025
To 4:00pm, 12 July 2025

Sibton, Eastern (1 July 2025)

Alert region
Eastern
Monitoring area
Sibton
Pollutant
Ozone (What causes high ozone levels?)
Data source
Automatic Urban and Rural Network (AURN)
Alert period
From 5:00pm, 1 July 2025
To 5:00pm, 2 July 2025

Sibton, Eastern (1 July 2025)

Alert region
Eastern
Monitoring area
Sibton
Pollutant
Ozone (What causes high ozone levels?)
Data source
Automatic Urban and Rural Network (AURN)
Alert period
From 4:00pm, 1 July 2025
To 4:00pm, 2 July 2025

Sibton, Eastern (1 July 2025)

Alert region
Eastern
Monitoring area
Sibton
Pollutant
Ozone (What causes high ozone levels?)
Data source
Automatic Urban and Rural Network (AURN)
Alert period
From 3:00pm, 1 July 2025
To 3:00pm, 2 July 2025

St Osyth, Eastern (1 July 2025)

Alert region
Eastern
Monitoring area
St Osyth
Pollutant
Ozone (What causes high ozone levels?)
Data source
Automatic Urban and Rural Network (AURN)
Alert period
From 1:00pm, 1 July 2025
To 1:00pm, 2 July 2025

London Harlington, Greater London (20 June 2025)

Alert region
Greater London
Monitoring area
London Harlington
Pollutant
Ozone (What causes high ozone levels?)
Data source
Automatic Urban and Rural Network (AURN)
Alert period
From 4:00pm, 20 June 2025
To 4:00pm, 21 June 2025

London Harlington, Greater London (20 June 2025)

Alert region
Greater London
Monitoring area
London Harlington
Pollutant
Ozone (What causes high ozone levels?)
Data source
Automatic Urban and Rural Network (AURN)
Alert period
From 4:00pm, 20 June 2025
To 4:00pm, 21 June 2025

Reading New Town, South East (19 June 2025)

Alert region
South East
Monitoring area
Reading New Town
Pollutant
Ozone (What causes high ozone levels?)
Data source
Automatic Urban and Rural Network (AURN)
Alert period
From 7:00pm, 19 June 2025
To 7:00pm, 20 June 2025

London Honor Oak Park, Greater London (19 June 2025)

Alert region
Greater London
Monitoring area
London Honor Oak Park
Pollutant
Ozone (What causes high ozone levels?)
Data source
Automatic Urban and Rural Network (AURN)
Alert period
From 6:00pm, 19 June 2025
To 6:00pm, 20 June 2025

London N. Kensington, Greater London (19 June 2025)

Alert region
Greater London
Monitoring area
London N. Kensington
Pollutant
Ozone (What causes high ozone levels?)
Data source
Automatic Urban and Rural Network (AURN)
Alert period
From 6:00pm, 19 June 2025
To 6:00pm, 20 June 2025

London Bloomsbury, Greater London (19 June 2025)

Alert region
Greater London
Monitoring area
London Bloomsbury
Pollutant
Ozone (What causes high ozone levels?)
Data source
Automatic Urban and Rural Network (AURN)
Alert period
From 5:00pm, 19 June 2025
To 5:00pm, 20 June 2025

London Honor Oak Park, Greater London (19 June 2025)

Alert region
Greater London
Monitoring area
London Honor Oak Park
Pollutant
Ozone (What causes high ozone levels?)
Data source
Automatic Urban and Rural Network (AURN)
Alert period
From 5:00pm, 19 June 2025
To 5:00pm, 20 June 2025

London N. Kensington, Greater London (19 June 2025)

Alert region
Greater London
Monitoring area
London N. Kensington
Pollutant
Ozone (What causes high ozone levels?)
Data source
Automatic Urban and Rural Network (AURN)
Alert period
From 5:00pm, 19 June 2025
To 5:00pm, 20 June 2025

London Bloomsbury, Greater London (19 June 2025)

Alert region
Greater London
Monitoring area
London Bloomsbury
Pollutant
Ozone (What causes high ozone levels?)
Data source
Automatic Urban and Rural Network (AURN)
Alert period
From 4:00pm, 19 June 2025
To 4:00pm, 20 June 2025

London N. Kensington, Greater London (19 June 2025)

Alert region
Greater London
Monitoring area
London N. Kensington
Pollutant
Ozone (What causes high ozone levels?)
Data source
Automatic Urban and Rural Network (AURN)
Alert period
From 4:00pm, 19 June 2025
To 4:00pm, 20 June 2025