Worst air pollution Leyland, today and tomorrow
Today (16 July): Air quality in Leyland 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: 28.3/100).
Tomorrow (17 July 2026): Air quality in Leyland is fair. All pollutants stay as today. Pollution peaks around 2:00 PM (O3: 27.1/100). 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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Being part of Lancashire, Leyland sees an air quality profile that's largely down to traffic and general town-centre activity. Shifting coastal winds do most of the work keeping things in check, more so than any local policy or infrastructure change. Traffic on the M90 is the most significant local emissions source, especially at peak times.
Today - 16 July | Pollution peaks at 15:00
AQI:
Fair
28.3/100
PM2.5 (fine particles):
Good
10.4/100
PM10 (coarse particles):
Good
3.7/100
NO2 (nitrogen dioxide):
Good
3.8/100
O3 (ozone):
Fair
28.3/100
SO2 (sulfur dioxide):
Good
1.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.9/100
PM1 (ultrafine particles):
Good
8.5/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 14:00
AQI:
Fair
27.1/100
PM2.5 (fine particles):
Good
12.6/100
PM10 (coarse particles):
Good
4.5/100
NO2 (nitrogen dioxide):
Good
3.9/100
O3 (ozone):
Fair
27.1/100
SO2 (sulfur dioxide):
Good
1.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.6/100
PM1 (ultrafine particles):
Good
9.8/100
Pollen forecast in Leyland
View pollen forecastFrequently Asked Questions
Is air quality bad in Leyland right now?
On 16 July 2026, overall air quality in Leyland is fair. AQI is the main air quality indicator at 28.3/100. Pollution peaks around 3:00 PM (O3: 28.3/100).
Will air quality be worse tomorrow in Leyland?
On 17 July 2026, air quality conditions in Leyland will be similar to today, with AQI forecast at fair at 27.1/100. Pollution peaks around 2:00 PM (O3: 27.1/100).
When is air pollution at its worst in Leyland?
Spring and autumn usually sit somewhere in between, so it's really the extremes of the year worth watching. Leyland's air quality follows a familiar seasonal pattern most UK towns share. Come winter, NO₂ and PM2.5 usually creep up, as heating and calmer air let M90 traffic emissions linger rather than disperse. In summer, ozone can build up on sunny afternoons, though windier, warmer weather usually helps clear traffic-related pollution faster than in winter.
Are air quality levels in Leyland 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