What's the air quality in King's Lynn and West Norfolk? NO₂ 7.2 µg/m³

In 2025 the average resident of King's Lynn and West Norfolk lived with background NO₂ of 7.2 µg/m³, Typical for England and Wales and below 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
Typical
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 King's Lynn and West Norfolk
Lower Higher

Is the air quality good in King's Lynn and West Norfolk?

Background NO₂ in King's Lynn and West Norfolk is 7.2 µg/m³, below the WHO guideline of 10, and higher than the typical area (7.2). That puts it in the Typical band. Background PM2.5 in King's Lynn and West Norfolk 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): 7.2 µg/m³

NO₂ level is Typical, on a scale from Very Low to Very High.

Typical means the middle fifth of areas in England and Wales for NO₂.

NO₂ bands for areas in England and Wales, in µg/m³, with the map colour for each
Very Lowup to 4.7
Low4.7 to 6.5
Typical6.5 to 7.7
High7.7 to 9.2
Very Highover 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.

PM2.5 bands for areas in England and Wales, in µg/m³, with the map colour for each
Very Lowup to 6.0
Low6.0 to 7.2
Typical7.2 to 7.7
High7.7 to 8.2
Very Highover 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 King's Lynn and West Norfolk has the cleanest air?

Brancaster has the lowest background NO₂ of the 101 areas of King's Lynn and West Norfolk, at 4.6 µg/m³. Walsoken has the highest, at 7.9 µg/m³. Average house prices are shown alongside, so you can weigh air quality against cost.

Areas of King's Lynn and West Norfolk by background NO₂, lowest first, with PM2.5 and average house price
AreaNO₂PM2.5Average price
BrancasterVery Low4.66.9£809,127
ChoseleyVery Low4.67.0—
Holme next the SeaVery Low4.77.0£677,000
TitchwellVery Low4.76.9£614,999
Burnham OveryVery Low4.77.0£941,266
ThornhamVery Low4.77.0£542,000
Burnham NortonVery Low4.77.0—
Burnham ThorpeLow4.77.0£416,666
RingsteadLow4.77.1£388,687
Burnham MarketLow4.87.0£578,800
Old HunstantonLow4.87.1£542,500
North CreakeLow4.87.1£267,928
StanhoeLow4.97.1£688,611
DockingLow4.97.2£381,274
FringLow5.07.2£525,000
SedgefordLow5.07.2£277,100
BarwickLow5.07.2£705,000
South CreakeLow5.07.2£352,000
Bagthorpe with BarmerLow5.17.2—
HunstantonLow5.17.2£299,434
BirchamLow5.17.2£562,300
SyderstoneLow5.17.3£252,166
HeachamLow5.27.3£285,756
ShernborneLow5.27.3—
AnmerLow5.37.3—
HoughtonLow5.47.4—
Little MassinghamLow5.47.5£190,000
Great MassinghamLow5.47.5£332,750
HarpleyLow5.57.4£466,666
West RudhamLow5.57.4£341,750
IngoldisthorpeLow5.57.4£278,000
SnettishamLow5.67.4£321,120
East RudhamLow5.67.4£344,833
DersinghamLow5.67.4£296,450
Flitcham with AppletonLow5.77.4£527,500
SandringhamLow5.87.3—
West AcreLow5.97.7—
Castle AcreLow5.97.7£332,250
ConghamLow6.17.5£438,780
HillingtonLow6.17.4£190,000
RoydonLow6.17.5£825,000
GrimstonLow6.17.6£330,205
East WaltonLow6.27.7—
GaytonLow6.37.7£336,333
PentneyLow6.47.8£295,072
LeziateLow6.47.7£414,000
Castle RisingLow6.57.5£520,000
North WoottonLow6.57.6£309,616
ShouldhamLow6.57.8£312,000
MarhamTypical6.67.8£199,772
Barton BendishTypical6.67.9£350,000
Shouldham ThorpeTypical6.77.8£295,000
Terrington St. ClementTypical6.77.7£303,220
WormegayTypical6.87.8£270,000
BoughtonTypical6.87.9£411,700
BawseyTypical6.87.7£272,500
NorthwoldTypical6.87.9£384,653
Hockwold cum WiltonTypical6.97.9£300,392
WalpoleTypical6.97.7£357,696
East WinchTypical6.97.8£245,900
FinchamTypical6.97.9£233,750
CrimpleshamTypical6.97.9£350,400
MethwoldTypical6.97.9£355,568
West DerehamTypical6.97.9£291,625
WrettonTypical6.97.9£226,875
Stoke FerryTypical7.08.1£312,795
FeltwellTypical7.07.9£272,564
Runcton HolmeTypical7.07.9£344,857
Marshland St JamesTypical7.07.8£288,166
ClenchwartonTypical7.17.7£276,782
WerehamTypical7.17.9£263,100
StradsettTypical7.17.8—
MiddletonTypical7.17.8£347,000
WatlingtonTypical7.17.9£270,770
Walpole Cross KeysTypical7.17.7£358,277
Tilney St. LawrenceTypical7.17.8£297,611
Stow BardolphTypical7.17.8£346,575
RystonTypical7.27.9—
Tilney All SaintsTypical7.27.7£268,800
South WoottonTypical7.27.7£340,455
TottenhillTypical7.27.9£148,000
West WaltonTypical7.37.8£294,986
Terrington St. JohnTypical7.37.8£280,943
Walpole HighwayTypical7.37.8£261,050
WimbotshamTypical7.37.9£313,975
Wiggenhall St. Mary MagdalenTypical7.37.9£284,625
WelneyTypical7.37.8£366,500
NordelphTypical7.47.8£311,400
FordhamTypical7.47.9—
UpwellTypical7.47.9£323,419
Wiggenhall St. GermansTypical7.57.8£292,700
HilgayTypical7.57.9£283,967
OutwellTypical7.57.9£256,772
SoutheryTypical7.68.0£293,321
Downham MarketTypical7.68.0£279,274
EmnethTypical7.77.9£291,972
DenverHigh7.78.0£346,666
West WinchHigh7.87.9£283,342
Downham WestHigh7.97.9£162,500
North RunctonHigh7.97.9£469,375
WalsokenHigh7.98.0£287,333

Levels in µg/m³, 2025 annual average.

How does air quality in King's Lynn and West Norfolk compare with nearby areas?

Background NO₂ in King's Lynn and West Norfolk compared with the 6 nearest other areas in Norfolk.

Compare King's Lynn and West Norfolk with a different area

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 King's Lynn and West Norfolk, NO₂ can be much higher. Councils publish roadside monitoring in their annual air quality reports.

What else do people ask about King's Lynn and West Norfolk?

More quick answers on house prices, sales, areas, green space, crime, air quality and listed buildings in King's Lynn and West Norfolk.

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 01:12 with the latest Land Registry data (September 2026). The King's Lynn and West Norfolk dataset covers 6,059 postcodes.

Read our full data methodology

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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