Worst air pollution Sowerby Bridge, today and tomorrow

Today (20 September): Air quality in Sowerby Bridge is good. AQI, PM2.5, PM10, NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 4:00 PM (O3: 19.9/100).
Tomorrow (21 September 2026): Air quality in Sowerby Bridge is fair. AQI worsens to fair; PM2.5 increases to fair; PM10 increases to fair; NO2 increases to fair; O3 increases to fair; all other pollutants stay as today. Pollution peaks around 2:00 PM (PM2.5: 24.0/100). 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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Sowerby Bridge's air quality reflects its position within Calderdale, with local traffic and the town's built-up core as the main contributors. The prevailing Atlantic airflow do most of the work keeping things in check, more so than any local policy or infrastructure change. Rush-hour queues near the A90 are usually when readings climb the most.

Today - 20 September | Pollution peaks at 16:00

AQI:

Good

19.9/100

PM2.5 (fine particles):

Good

18.4/100

PM10 (coarse particles):

Good

17.2/100

NO2 (nitrogen dioxide):

Good

9.9/100

O3 (ozone):

Good

19.9/100

SO2 (sulfur dioxide):

Good

1.9/100

CO (carbon monoxide):

Good

0.7/100

HCHO (formaldehyde):

Good

3.0/100

PM1 (ultrafine particles):

Good

4.9/100

Levels show the poorest local air quality during the day

Tomorrow - 21 September | Pollution peaks at 14:00

AQI:

Fair

24.0/100

PM2.5 (fine particles):

Fair

24.0/100

PM10 (coarse particles):

Fair

20.5/100

NO2 (nitrogen dioxide):

Fair

23.5/100

O3 (ozone):

Fair

21.0/100

SO2 (sulfur dioxide):

Good

4.1/100

CO (carbon monoxide):

Good

0.8/100

HCHO (formaldehyde):

Good

3.9/100

PM1 (ultrafine particles):

Good

10.6/100

Pollen forecast in Sowerby Bridge

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Frequently Asked Questions

Is air quality bad in Sowerby Bridge right now?

On 20 September 2026, overall air quality in Sowerby Bridge is good. AQI is the main air quality indicator at 19.9/100. Pollution peaks around 4:00 PM (O3: 19.9/100).

Will air quality be worse tomorrow in Sowerby Bridge?

On 21 September 2026, air quality conditions in Sowerby Bridge will be worse than today, with AQI forecast at fair at 24.0/100. Pollution peaks around 2:00 PM (PM2.5: 24.0/100).

When is air pollution at its worst in Sowerby Bridge?

If you're tracking air quality in Sowerby Bridge, expect it to move around quite a bit through the year. Winter mornings can be the trickiest, with cold, still conditions trapping A90 traffic fumes and smoke from home fires close to the ground. In summer, ozone can build up on sunny afternoons, though windier, warmer weather usually helps clear traffic-related pollution faster than in winter. For much of spring and autumn, things settle into a fairly unremarkable middle ground.

Are air quality levels in Sowerby Bridge 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.

Why doesn’t the forecast always reflect wildfire impacts?

Airmine’s forecast uses CAMS (Copernicus Atmosphere Monitoring Service) as its background atmospheric model. While CAMS includes wildfire emissions, these are derived from satellite observations and are not available in real time. During rapidly evolving wildfire events, there may therefore be a delay before increased emissions are incorporated into the model. As a result, the forecast may temporarily underestimate PM₂.₅ and other pollutants associated with wildfire smoke.

During rapidly evolving wildfire events, CAMS may lag by approximately 1–2 days before increased wildfire emissions are fully represented, which can lead to temporary underestimation of PM₂.₅ concentrations in Airmine’s forecast.

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Data provided by Airmine — Last update: 20 September 2026 at 14:33 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.

Disclaimer: Forecasts are provided for informational purposes only and should not be relied upon as medical advice. Actual pollen and air quality conditions may vary from the forecast. If you have allergies, asthma, or another medical condition, consult a healthcare professional. Please see our Terms of Service for important information about limitations of liability.

Some text on this page may be generated or summarised using artificial intelligence (AI). Wherever possible, AI-generated content is enriched with Airmine's proprietary data to improve its accuracy and relevance. However, AI-generated content may still contain errors, omissions, or inaccuracies.

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