Worst air pollution Swaffham, today and tomorrow
Today (16 July): Air quality in Swaffham is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 3:00 PM (O3: 29.1/100).
Tomorrow (17 July 2026): Air quality in Swaffham is fair. All pollutants stay as today. Pollution peaks around 1:00 PM (O3: 29.4/100). Airmine updates local air quality forecasts four times daily.
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Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Swaffham's air quality reflects its position within Norfolk, with local traffic and the town's built-up core as the main contributors. The A26 sees the heaviest traffic, and that shows up clearly in local roadside monitoring. Cooler northerly winds tend to disperse pollutants reasonably well, keeping readings close to typical UK small-town levels.
Today - 16 July | Pollution peaks at 15:00
AQI:
Fair
29.1/100
PM2.5 (fine particles):
Good
14.5/100
PM10 (coarse particles):
Good
5.0/100
NO2 (nitrogen dioxide):
Good
9.3/100
O3 (ozone):
Fair
29.1/100
SO2 (sulfur dioxide):
Good
2.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.8/100
PM1 (ultrafine particles):
Good
11.4/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 13:00
AQI:
Fair
29.4/100
PM2.5 (fine particles):
Good
15.4/100
PM10 (coarse particles):
Good
5.6/100
NO2 (nitrogen dioxide):
Good
8.7/100
O3 (ozone):
Fair
29.4/100
SO2 (sulfur dioxide):
Good
2.4/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.6/100
PM1 (ultrafine particles):
Good
12.3/100
Pollen forecast in Swaffham
View pollen forecastFrequently Asked Questions
Is air quality bad in Swaffham right now?
On 16 July 2026, overall air quality in Swaffham is fair. AQI is the main air quality indicator at 29.1/100. Pollution peaks around 3:00 PM (O3: 29.1/100).
Will air quality be worse tomorrow in Swaffham?
On 17 July 2026, air quality conditions in Swaffham will be similar to today, with AQI forecast at fair at 29.4/100. Pollution peaks around 1:00 PM (O3: 29.4/100).
When is air pollution at its worst in Swaffham?
Spring and autumn usually sit somewhere in between, so it's really the extremes of the year worth watching. If you're tracking air quality in Swaffham, expect it to move around quite a bit through the year. In deep winter, a lack of wind lets A26 traffic fumes and woodsmoke settle instead of blowing through. Summer brings a different issue — stronger sunlight can push up ozone levels on hot, sunny days, even though traffic pollution itself often disperses more easily.
Are air quality levels in Swaffham based on measurements or forecasts?
It is forecasts derived by downscaling forecasts provided by EU’s Copernicus Atmosphere Monitoring Service (CAMS) by taking into account local conditions such as traffic patterns. CAMS bases its forecast on satellite measurements of particles and chemical compounds in the atmosphere. Airmine’s services were developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team.
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Data provided by Airmine — Last update: 16 July 2026 at 10:33 CEST (Data is updated four times daily.)
This forecast is produced independently using Airmine's own atmospheric data and models.
Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.
For long term forecasts and maps, see the Airmine app