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Written Question
Nitrogen Dioxide: Pollution Control
Tuesday 8th July 2025

Asked by: Tim Farron (Liberal Democrat - Westmorland and Lonsdale)

Question to the Department for Environment, Food and Rural Affairs:

To ask the Secretary of State for Environment, Food and Rural Affairs, pursuant to the Answer of 28 April to Question 45559 on Nitrogen Dioxide: Pollution Control, which localised hotspot in the Bristol Urban Area reporting zone is delaying compliance until 2031.

Answered by Emma Hardy - Parliamentary Under-Secretary (Department for Environment, Food and Rural Affairs)

The localised hotspots that inform our estimates of when each reporting zone is predicted to become compliant are set out in the following table. The predicted years of compliance in Question 45559 were based on 2023 data. For each zone, the hotspot location with the highest 2023 annual average NO2 concentration has been given, as that site drives the predicted compliance year.

This data is based on data gathered under the previous Government.

Reporting Zone

Estimated Compliance Year

Hotspot Location

Measured 2023 Concentration µg/m3

Bristol Urban Area

2031

Colston Avenue, Bristol

48.9

Coventry and Bedworth

2026

Holyhead Road, Coventry

45.9

Eastern

2026

Southend Arterial Road, Basildon

48.9

Greater London Urban Area

2024

A201 (City of London), A501 (Westminster)

41.9; 41.6 (modelled value)

Liverpool Urban Area

2029

Pembroke Place, Liverpool

49.7

Nottingham Urban Area

2024

Ilkeston Road, Nottingham

41.1

Portsmouth Urban Area

2026

Alred Road, Portsmouth

43.7

Reading and Wokingham Urban Area

2024

Malcolm Place, Reading

42.6

Sheffield Urban Area

2031

Brightside Lane, Sheffield

48.8

The Potteries

2032

Etruria Road, Stoke-on-Trent

58.4

West Midlands Urban Area

2032

Moor Street Queensway, Birmingham.
Priory Queensway, Birmingham

51.5, 51.5

West Yorkshire Urban Area

2029

Shipley Airedale Rd, Bradford

47.8


Written Question
Nitrogen Dioxide: Pollution Control
Tuesday 8th July 2025

Asked by: Tim Farron (Liberal Democrat - Westmorland and Lonsdale)

Question to the Department for Environment, Food and Rural Affairs:

To ask the Secretary of State for Environment, Food and Rural Affairs, pursuant to the Answer of 28 April to Question 45559 on Nitrogen Dioxide: Pollution Control, which localised hotspot in The Potteries reporting zone is delaying compliance until 2032.

Answered by Emma Hardy - Parliamentary Under-Secretary (Department for Environment, Food and Rural Affairs)

The localised hotspots that inform our estimates of when each reporting zone is predicted to become compliant are set out in the following table. The predicted years of compliance in Question 45559 were based on 2023 data. For each zone, the hotspot location with the highest 2023 annual average NO2 concentration has been given, as that site drives the predicted compliance year.

This data is based on data gathered under the previous Government.

Reporting Zone

Estimated Compliance Year

Hotspot Location

Measured 2023 Concentration µg/m3

Bristol Urban Area

2031

Colston Avenue, Bristol

48.9

Coventry and Bedworth

2026

Holyhead Road, Coventry

45.9

Eastern

2026

Southend Arterial Road, Basildon

48.9

Greater London Urban Area

2024

A201 (City of London), A501 (Westminster)

41.9; 41.6 (modelled value)

Liverpool Urban Area

2029

Pembroke Place, Liverpool

49.7

Nottingham Urban Area

2024

Ilkeston Road, Nottingham

41.1

Portsmouth Urban Area

2026

Alred Road, Portsmouth

43.7

Reading and Wokingham Urban Area

2024

Malcolm Place, Reading

42.6

Sheffield Urban Area

2031

Brightside Lane, Sheffield

48.8

The Potteries

2032

Etruria Road, Stoke-on-Trent

58.4

West Midlands Urban Area

2032

Moor Street Queensway, Birmingham.
Priory Queensway, Birmingham

51.5, 51.5

West Yorkshire Urban Area

2029

Shipley Airedale Rd, Bradford

47.8


Written Question
Nitrogen Dioxide: Pollution Control
Tuesday 8th July 2025

Asked by: Tim Farron (Liberal Democrat - Westmorland and Lonsdale)

Question to the Department for Environment, Food and Rural Affairs:

To ask the Secretary of State for Environment, Food and Rural Affairs, pursuant to the Answer of 28 April to Question 45559 on Nitrogen Dioxide: Pollution Control, which localised hotspot in the West Midlands Urban Area reporting zone is delaying compliance until 2032.

Answered by Emma Hardy - Parliamentary Under-Secretary (Department for Environment, Food and Rural Affairs)

The localised hotspots that inform our estimates of when each reporting zone is predicted to become compliant are set out in the following table. The predicted years of compliance in Question 45559 were based on 2023 data. For each zone, the hotspot location with the highest 2023 annual average NO2 concentration has been given, as that site drives the predicted compliance year.

This data is based on data gathered under the previous Government.

Reporting Zone

Estimated Compliance Year

Hotspot Location

Measured 2023 Concentration µg/m3

Bristol Urban Area

2031

Colston Avenue, Bristol

48.9

Coventry and Bedworth

2026

Holyhead Road, Coventry

45.9

Eastern

2026

Southend Arterial Road, Basildon

48.9

Greater London Urban Area

2024

A201 (City of London), A501 (Westminster)

41.9; 41.6 (modelled value)

Liverpool Urban Area

2029

Pembroke Place, Liverpool

49.7

Nottingham Urban Area

2024

Ilkeston Road, Nottingham

41.1

Portsmouth Urban Area

2026

Alred Road, Portsmouth

43.7

Reading and Wokingham Urban Area

2024

Malcolm Place, Reading

42.6

Sheffield Urban Area

2031

Brightside Lane, Sheffield

48.8

The Potteries

2032

Etruria Road, Stoke-on-Trent

58.4

West Midlands Urban Area

2032

Moor Street Queensway, Birmingham.
Priory Queensway, Birmingham

51.5, 51.5

West Yorkshire Urban Area

2029

Shipley Airedale Rd, Bradford

47.8


Written Question
Nitrogen Dioxide: Pollution Control
Tuesday 8th July 2025

Asked by: Tim Farron (Liberal Democrat - Westmorland and Lonsdale)

Question to the Department for Environment, Food and Rural Affairs:

To ask the Secretary of State for Environment, Food and Rural Affairs, pursuant to the Answer of 28 April 2025 to Question 45557 on Nitrogen Dioxide: Pollution Control, in which year she expects the Eastern reporting zone to become compliant.

Answered by Emma Hardy - Parliamentary Under-Secretary (Department for Environment, Food and Rural Affairs)

The localised hotspots that inform our estimates of when each reporting zone is predicted to become compliant are set out in the following table. The predicted years of compliance in Question 45559 were based on 2023 data. For each zone, the hotspot location with the highest 2023 annual average NO2 concentration has been given, as that site drives the predicted compliance year.

This data is based on data gathered under the previous Government.

Reporting Zone

Estimated Compliance Year

Hotspot Location

Measured 2023 Concentration µg/m3

Bristol Urban Area

2031

Colston Avenue, Bristol

48.9

Coventry and Bedworth

2026

Holyhead Road, Coventry

45.9

Eastern

2026

Southend Arterial Road, Basildon

48.9

Greater London Urban Area

2024

A201 (City of London), A501 (Westminster)

41.9; 41.6 (modelled value)

Liverpool Urban Area

2029

Pembroke Place, Liverpool

49.7

Nottingham Urban Area

2024

Ilkeston Road, Nottingham

41.1

Portsmouth Urban Area

2026

Alred Road, Portsmouth

43.7

Reading and Wokingham Urban Area

2024

Malcolm Place, Reading

42.6

Sheffield Urban Area

2031

Brightside Lane, Sheffield

48.8

The Potteries

2032

Etruria Road, Stoke-on-Trent

58.4

West Midlands Urban Area

2032

Moor Street Queensway, Birmingham.
Priory Queensway, Birmingham

51.5, 51.5

West Yorkshire Urban Area

2029

Shipley Airedale Rd, Bradford

47.8


Written Question
Nitrogen Dioxide: Pollution Control
Tuesday 8th July 2025

Asked by: Tim Farron (Liberal Democrat - Westmorland and Lonsdale)

Question to the Department for Environment, Food and Rural Affairs:

To ask the Secretary of State for Environment, Food and Rural Affairs, pursuant to the Answer of 28 April to Question 45559 on Nitrogen Dioxide: Pollution Control, which localised hotspot in the Portsmouth Urban Area reporting zone is delaying compliance until 2026.

Answered by Emma Hardy - Parliamentary Under-Secretary (Department for Environment, Food and Rural Affairs)

The localised hotspots that inform our estimates of when each reporting zone is predicted to become compliant are set out in the following table. The predicted years of compliance in Question 45559 were based on 2023 data. For each zone, the hotspot location with the highest 2023 annual average NO2 concentration has been given, as that site drives the predicted compliance year.

This data is based on data gathered under the previous Government.

Reporting Zone

Estimated Compliance Year

Hotspot Location

Measured 2023 Concentration µg/m3

Bristol Urban Area

2031

Colston Avenue, Bristol

48.9

Coventry and Bedworth

2026

Holyhead Road, Coventry

45.9

Eastern

2026

Southend Arterial Road, Basildon

48.9

Greater London Urban Area

2024

A201 (City of London), A501 (Westminster)

41.9; 41.6 (modelled value)

Liverpool Urban Area

2029

Pembroke Place, Liverpool

49.7

Nottingham Urban Area

2024

Ilkeston Road, Nottingham

41.1

Portsmouth Urban Area

2026

Alred Road, Portsmouth

43.7

Reading and Wokingham Urban Area

2024

Malcolm Place, Reading

42.6

Sheffield Urban Area

2031

Brightside Lane, Sheffield

48.8

The Potteries

2032

Etruria Road, Stoke-on-Trent

58.4

West Midlands Urban Area

2032

Moor Street Queensway, Birmingham.
Priory Queensway, Birmingham

51.5, 51.5

West Yorkshire Urban Area

2029

Shipley Airedale Rd, Bradford

47.8


Written Question
Nitrogen Dioxide: Pollution Control
Tuesday 8th July 2025

Asked by: Tim Farron (Liberal Democrat - Westmorland and Lonsdale)

Question to the Department for Environment, Food and Rural Affairs:

To ask the Secretary of State for Environment, Food and Rural Affairs, pursuant to the Answer of 28 April to Question 45559 on Nitrogen Dioxide: Pollution Control, which localised hotspot in the Reading and Wokingham Area reporting zone delayed compliance until 2024.

Answered by Emma Hardy - Parliamentary Under-Secretary (Department for Environment, Food and Rural Affairs)

The localised hotspots that inform our estimates of when each reporting zone is predicted to become compliant are set out in the following table. The predicted years of compliance in Question 45559 were based on 2023 data. For each zone, the hotspot location with the highest 2023 annual average NO2 concentration has been given, as that site drives the predicted compliance year.

This data is based on data gathered under the previous Government.

Reporting Zone

Estimated Compliance Year

Hotspot Location

Measured 2023 Concentration µg/m3

Bristol Urban Area

2031

Colston Avenue, Bristol

48.9

Coventry and Bedworth

2026

Holyhead Road, Coventry

45.9

Eastern

2026

Southend Arterial Road, Basildon

48.9

Greater London Urban Area

2024

A201 (City of London), A501 (Westminster)

41.9; 41.6 (modelled value)

Liverpool Urban Area

2029

Pembroke Place, Liverpool

49.7

Nottingham Urban Area

2024

Ilkeston Road, Nottingham

41.1

Portsmouth Urban Area

2026

Alred Road, Portsmouth

43.7

Reading and Wokingham Urban Area

2024

Malcolm Place, Reading

42.6

Sheffield Urban Area

2031

Brightside Lane, Sheffield

48.8

The Potteries

2032

Etruria Road, Stoke-on-Trent

58.4

West Midlands Urban Area

2032

Moor Street Queensway, Birmingham.
Priory Queensway, Birmingham

51.5, 51.5

West Yorkshire Urban Area

2029

Shipley Airedale Rd, Bradford

47.8


Written Question
Nitrogen Dioxide: Pollution Control
Tuesday 8th July 2025

Asked by: Tim Farron (Liberal Democrat - Westmorland and Lonsdale)

Question to the Department for Environment, Food and Rural Affairs:

To ask the Secretary of State for Environment, Food and Rural Affairs, pursuant to the Answer of 28 April to Question 45559 on Nitrogen Dioxide: Pollution Control, whether Bradford is the only (a) city and (b) town in the West Yorkshire Urban Area reporting zone delaying compliance until 2029.

Answered by Emma Hardy - Parliamentary Under-Secretary (Department for Environment, Food and Rural Affairs)

All NO2 exceedances delaying compliance in the Coventry and Bedworth zone are in the city of Coventry. Bradford is the only city, and Keighley is the only town, in the West Yorkshire Urban Area delaying compliance with the NO2 limit value. All NO2 exceedances delaying compliance in the Eastern zone are in the town of Basildon.

The 2023 compliance assessment reported one exceedance of the annual mean limit value for NO2 in the South East reporting zone - on the A34 in the Vale of White Horse. This road link is part of the Strategic Road Network (SRN) which is managed by National Highways.


Written Question
Nitrogen Dioxide: Pollution Control
Tuesday 8th July 2025

Asked by: Tim Farron (Liberal Democrat - Westmorland and Lonsdale)

Question to the Department for Environment, Food and Rural Affairs:

To ask the Secretary of State for Environment, Food and Rural Affairs, pursuant to the Answer of 28 April to Question 45559 on Nitrogen Dioxide: Pollution Control, whether Coventry is the only (a) city and (b) town in the Coventry and Bedworth zone delaying compliance until 2026.

Answered by Emma Hardy - Parliamentary Under-Secretary (Department for Environment, Food and Rural Affairs)

All NO2 exceedances delaying compliance in the Coventry and Bedworth zone are in the city of Coventry. Bradford is the only city, and Keighley is the only town, in the West Yorkshire Urban Area delaying compliance with the NO2 limit value. All NO2 exceedances delaying compliance in the Eastern zone are in the town of Basildon.

The 2023 compliance assessment reported one exceedance of the annual mean limit value for NO2 in the South East reporting zone - on the A34 in the Vale of White Horse. This road link is part of the Strategic Road Network (SRN) which is managed by National Highways.


Written Question
Nitrogen Dioxide: Pollution Control
Tuesday 8th July 2025

Asked by: Tim Farron (Liberal Democrat - Westmorland and Lonsdale)

Question to the Department for Environment, Food and Rural Affairs:

To ask the Secretary of State for Environment, Food and Rural Affairs, pursuant to the Answer of 28 April to Question 45559 on Nitrogen Dioxide: Pollution Control, which towns in the South East reporting zone are delaying compliance until 2028.

Answered by Emma Hardy - Parliamentary Under-Secretary (Department for Environment, Food and Rural Affairs)

All NO2 exceedances delaying compliance in the Coventry and Bedworth zone are in the city of Coventry. Bradford is the only city, and Keighley is the only town, in the West Yorkshire Urban Area delaying compliance with the NO2 limit value. All NO2 exceedances delaying compliance in the Eastern zone are in the town of Basildon.

The 2023 compliance assessment reported one exceedance of the annual mean limit value for NO2 in the South East reporting zone - on the A34 in the Vale of White Horse. This road link is part of the Strategic Road Network (SRN) which is managed by National Highways.


Written Question
Nitrogen Dioxide: Pollution Control
Tuesday 8th July 2025

Asked by: Tim Farron (Liberal Democrat - Westmorland and Lonsdale)

Question to the Department for Environment, Food and Rural Affairs:

To ask the Secretary of State for Environment, Food and Rural Affairs, pursuant to the Answer of 28 April to Question 45559 on Nitrogen Dioxide: Pollution Control, which (a) cities and (b) towns in the Eastern reporting zone are delaying compliance.

Answered by Emma Hardy - Parliamentary Under-Secretary (Department for Environment, Food and Rural Affairs)

All NO2 exceedances delaying compliance in the Coventry and Bedworth zone are in the city of Coventry. Bradford is the only city, and Keighley is the only town, in the West Yorkshire Urban Area delaying compliance with the NO2 limit value. All NO2 exceedances delaying compliance in the Eastern zone are in the town of Basildon.

The 2023 compliance assessment reported one exceedance of the annual mean limit value for NO2 in the South East reporting zone - on the A34 in the Vale of White Horse. This road link is part of the Strategic Road Network (SRN) which is managed by National Highways.