What's the air quality in Newport? NO₂ 10.1 µg/m³
In 2025 the average resident of Newport lived with background NO₂ of 10.1 µg/m³, Very High for England and Wales and about the WHO guideline of 10. PM2.5 was 7.8 µg/m³, High for England and Wales and 1.6 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
- 7.8 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 NewportIs the air quality good in Newport?
Background NO₂ in Newport is 10.1 µg/m³, about 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 Newport is 7.8 µg/m³, 1.6 times the WHO guideline of 5, and higher than the typical area (7.4). That puts it in the 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): 10.1 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): 7.8 µg/m³
PM2.5 level is High, on a scale from Very Low to Very High.
High means the second-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 Newport has the cleanest air?
Llanvaches has the lowest background NO₂ of the 29 areas of Newport, at 5.7 µg/m³. Shaftesbury has the highest, at 12.6 µg/m³. Average house prices are shown alongside, so you can weigh air quality against cost.
| Area | NO₂ | PM2.5 | NO₂ band | Average price |
|---|---|---|---|---|
| LlanvachesLow | 5.7 | 7.2 | Low | £611,666 |
| PenhowLow | 6.3 | 7.2 | Low | £522,062 |
| RedwickLow | 6.4 | 7.4 | Low | — |
| GoldcliffLow | 6.4 | 7.5 | Low | £508,066 |
| NashHigh | 7.9 | 7.4 | High | £379,468 |
| BettwsHigh | 8.1 | 7.5 | High | £185,385 |
| WentloogeHigh | 8.4 | 7.7 | High | £452,400 |
| BishtonHigh | 8.4 | 7.5 | High | £227,236 |
| LlanwernHigh | 8.5 | 7.5 | High | £330,581 |
| CaerleonHigh | 8.8 | 7.9 | High | £315,631 |
| LangstoneHigh | 9.0 | 7.6 | High | £503,711 |
| RogerstoneVery High | 9.2 | 7.5 | Very High | £308,682 |
| GraigVery High | 9.5 | 7.5 | Very High | £333,636 |
| RinglandVery High | 9.8 | 7.7 | Very High | £202,551 |
| MarshfieldVery High | 9.8 | 7.7 | Very High | £447,941 |
| Michaelston-y-VedwVery High | 10.2 | 7.7 | Very High | £320,000 |
| LiswerryVery High | 10.3 | 7.8 | Very High | £188,353 |
| VictoriaVery High | 10.3 | 7.9 | Very High | £168,431 |
| AlwayVery High | 10.4 | 7.8 | Very High | £227,281 |
| Stow HillVery High | 10.4 | 7.9 | Very High | £189,063 |
| GaerVery High | 10.5 | 7.9 | Very High | £198,483 |
| Allt-Yr-YnVery High | 10.6 | 7.9 | Very High | £347,461 |
| BeechwoodVery High | 10.7 | 7.9 | Very High | £234,768 |
| MalpasVery High | 10.9 | 7.9 | Very High | £243,722 |
| Tredegar ParkVery High | 11.1 | 8.0 | Very High | £238,179 |
| PillgwenllyVery High | 11.2 | 7.9 | Very High | £194,103 |
| CoedkernewVery High | 11.2 | 8.0 | Very High | £265,400 |
| St. JuliansVery High | 11.7 | 8.0 | Very High | £200,950 |
| ShaftesburyVery High | 12.6 | 8.0 | Very High | £169,940 |
Levels in µg/m³, 2025 annual average.
How does air quality in Newport compare with nearby areas?
Background NO₂ in Newport compared with the 6 nearest other areas in Cymru / Wales.
Newport vs Torfaen
- Newport
- NO₂ 10.1 µg/m³
- Torfaen
- NO₂ 6.7 µg/m³
Open comparison
Newport vs Caerphilly
- Newport
- NO₂ 10.1 µg/m³
- Caerphilly
- NO₂ 6.7 µg/m³
Open comparison
Newport vs Blaenau Gwent
- Newport
- NO₂ 10.1 µg/m³
- Blaenau Gwent
- NO₂ 4.9 µg/m³
Open comparison
Newport vs South Glamorgan
- Newport
- NO₂ 10.1 µg/m³
- South Glamorgan
- NO₂ 10.5 µg/m³
Open comparison
Newport vs Mid Glamorgan
- Newport
- NO₂ 10.1 µg/m³
- Mid Glamorgan
- NO₂ 6.2 µg/m³
Open comparison
Newport vs West Glamorgan
- Newport
- NO₂ 10.1 µg/m³
- West Glamorgan
- NO₂ 6.1 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 Newport, NO₂ can be much higher. Councils publish roadside monitoring in their annual air quality reports.
What else do people ask about Newport?
More quick answers on house prices, sales, areas, green space, crime, air quality and listed buildings in Newport.
- What is the average house price in Newport?
- When did average house prices in Newport reach their peak?
- How many properties are being sold in Newport?
- What type of properties are sold in Newport?
- What price range do most homes sell for in Newport?
- What is the most expensive (and cheapest) area of Newport?
- How many parks and green spaces are in Newport?
- What is the crime rate in Newport?
- How many listed buildings are in Newport?
- How do Newport 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. Designated Historic Asset GIS Data, The Welsh Historic Environment Service (Cadw), licensed under the Open Government Licence. 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 00:19 with the latest Land Registry data (September 2026). The Newport dataset covers 10,754 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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