What's the air quality in London Borough of Croydon? NO₂ 11.2 µg/m³
In 2025 the average resident of London Borough of Croydon lived with background NO₂ of 11.2 µg/m³, Very High for England and Wales and 1.1 times the WHO guideline of 10. PM2.5 was 8.5 µg/m³, Very High for England and Wales and 1.7 times the WHO guideline of 5. The typical area in England and Wales has NO₂ of 7.2 and PM2.5 of 7.4 µg/m³.
- PM2.5
- 8.5 µg/m³
- NO₂ for England and Wales
- Very High
- Figures for
- 2025 annual average
Modelled background levels averaged over where residents live (Census 2021), not roadside levels. Contains public sector information licensed under the Open Government Licence v3.0. Source: Defra modelled background pollution, 2025. How we calculate this
All house prices in London Borough of CroydonIs the air quality good in London Borough of Croydon?
Background NO₂ in London Borough of Croydon is 11.2 µg/m³, 1.1 times the WHO guideline of 10, and higher than the typical area (7.2). That puts it in the Very High band. Background PM2.5 in London Borough of Croydon is 8.5 µg/m³, 1.7 times the WHO guideline of 5, and higher than the typical area (7.4). That puts it in the Very High band. Most of England and Wales is above the WHO guideline for PM2.5, so the bands compare places with each other rather than giving a pass or fail.
Nitrogen dioxide (NO₂): 11.2 µg/m³
NO₂ level is Very High, on a scale from Very Low to Very High.
Very High means the highest fifth of areas in England and Wales for NO₂.
| Very Low | up to 4.7 |
|---|---|
| Low | 4.7 to 6.5 |
| Typical | 6.5 to 7.7 |
| High | 7.7 to 9.2 |
| Very High | over 9.2 |
WHO guideline: 10 µg/m³ (in the Very High band). UK legal limit: 40 µg/m³.
Fine particles (PM2.5): 8.5 µg/m³
PM2.5 level is Very High, on a scale from Very Low to Very High.
Very High means the highest fifth of areas in England and Wales for PM2.5.
| Very Low | up to 6.0 |
|---|---|
| Low | 6.0 to 7.2 |
| Typical | 7.2 to 7.7 |
| High | 7.7 to 8.2 |
| Very High | over 8.2 |
WHO guideline: 5 µg/m³ (in the Very Low band). UK legal limit: 20 µg/m³, with a target of 10 µg/m³ in England by 2040.
The bands split every area we cover into fifths by its level, from Very Low to Very High. The map uses the same colours.
Which part of London Borough of Croydon has the cleanest air?
New Addington Ward has the lowest background NO₂ of the 22 areas of London Borough of Croydon, at 8.5 µg/m³. Norbury Ward has the highest, at 13.3 µg/m³. Average house prices are shown alongside, so you can weigh air quality against cost.
| Area | NO₂ | PM2.5 | NO₂ band | Average price |
|---|---|---|---|---|
| New Addington WardHigh | 8.5 | 8.0 | High | £361,008 |
| Fieldway WardHigh | 8.9 | 8.1 | High | £355,087 |
| Coulsdon East WardHigh | 9.1 | 8.2 | High | £568,321 |
| Sanderstead WardVery High | 9.4 | 8.2 | Very High | £592,713 |
| Selsdon & Ballards WardVery High | 9.5 | 8.2 | Very High | £541,191 |
| Heathfield WardVery High | 9.5 | 8.2 | Very High | £455,201 |
| Kenley WardVery High | 9.6 | 8.2 | Very High | £502,884 |
| Coulsdon West WardVery High | 9.8 | 8.4 | Very High | £569,315 |
| Shirley WardVery High | 9.9 | 8.2 | Very High | £491,824 |
| Purley WardVery High | 10.5 | 8.4 | Very High | £524,306 |
| Croham WardVery High | 10.6 | 8.3 | Very High | £446,205 |
| Ashburton WardVery High | 11.0 | 8.4 | Very High | £517,169 |
| Waddon WardVery High | 11.5 | 8.5 | Very High | £339,566 |
| Woodside WardVery High | 11.6 | 8.6 | Very High | £403,703 |
| South Norwood WardVery High | 12.1 | 8.6 | Very High | £403,698 |
| Fairfield WardVery High | 12.1 | 8.6 | Very High | £373,267 |
| Thornton Heath WardVery High | 12.4 | 8.7 | Very High | £366,935 |
| Bensham Manor WardVery High | 12.4 | 8.7 | Very High | £353,060 |
| Upper Norwood WardVery High | 12.6 | 8.6 | Very High | £469,880 |
| Broad Green WardVery High | 12.8 | 8.7 | Very High | £323,522 |
| West Thornton WardVery High | 12.9 | 8.8 | Very High | £392,831 |
| Norbury WardVery High | 13.3 | 8.8 | Very High | £523,415 |
Levels in µg/m³, 2025 annual average.
How does air quality in London Borough of Croydon compare with nearby areas?
Background NO₂ in London Borough of Croydon compared with the 6 nearest other areas in Greater London.
London Borough of Croydon vs London Borough of Sutton
- London Borough of Croydon
- NO₂ 11.2 µg/m³
- London Borough of Sutton
- NO₂ 11.0 µg/m³
Open comparison
London Borough of Croydon vs London Borough of Bromley
- London Borough of Croydon
- NO₂ 11.2 µg/m³
- London Borough of Bromley
- NO₂ 10.2 µg/m³
Open comparison
London Borough of Croydon vs Royal Borough of Kingston upon Thames
- London Borough of Croydon
- NO₂ 11.2 µg/m³
- Royal Borough of Kingston upon Thames
- NO₂ 12.7 µg/m³
Open comparison
London Borough of Croydon vs London Borough of Richmond upon Thames
- London Borough of Croydon
- NO₂ 11.2 µg/m³
- London Borough of Richmond upon Thames
- NO₂ 13.5 µg/m³
Open comparison
London Borough of Croydon vs London Borough of Bexley
- London Borough of Croydon
- NO₂ 11.2 µg/m³
- London Borough of Bexley
- NO₂ 12.3 µg/m³
Open comparison
London Borough of Croydon vs London Borough of Hounslow
- London Borough of Croydon
- NO₂ 11.2 µg/m³
- London Borough of Hounslow
- NO₂ 15.1 µg/m³
Open comparison
Does this include busy roads?
No. These are background levels: yearly averages over 1 km squares, away from the immediate influence of roads. Right beside a busy road in London Borough of Croydon, NO₂ can be much higher. Councils publish roadside monitoring in their annual air quality reports.
What else do people ask about London Borough of Croydon?
More quick answers on house prices, sales, areas, green space, crime, air quality and listed buildings in London Borough of Croydon.
- What is the average house price in London Borough of Croydon?
- When did average house prices in London Borough of Croydon reach their peak?
- How many properties are being sold in London Borough of Croydon?
- What type of properties are sold in London Borough of Croydon?
- What price range do most homes sell for in London Borough of Croydon?
- What is the most expensive (and cheapest) area of London Borough of Croydon?
- How many parks and green spaces are in London Borough of Croydon?
- What is the crime rate in London Borough of Croydon?
- How many listed buildings are in London Borough of Croydon?
- How do London Borough of Croydon house prices compare with another area?
Where does this data come from?
Price information is from HM Land Registry, location boundaries are from OpenStreetMap, and households and population are from Nomis Census 2021 postcode estimates (21 March 2021). Parks and green space are from OS Open Greenspace. Contains OS data © Crown copyright and database right 2026. Crime is from police.uk street-level data. Contains public sector information licensed under the Open Government Licence v3.0. Source: police.uk. Listed buildings and scheduled monuments are from Historic England and Cadw, and conservation areas from planning.data.gov.uk. © Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. Source: planning.data.gov.uk, Open Government Licence v3.0. Air quality is from Defra modelled background pollution maps. Contains public sector information licensed under the Open Government Licence v3.0. Source: Defra modelled background pollution, 2025.
Last updated 11 November 2026 at 01:27 with the latest Land Registry data (September 2026). The London Borough of Croydon dataset covers 13,361 postcodes.
Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
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