Worst air pollution Newtown, today and tomorrow

Today (16 July): Air quality in Newtown 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: 29.5/100).
Tomorrow (17 July 2026): Air quality in Newtown is fair. All pollutants stay as today. Pollution peaks around 3:00 PM (O3: 34.9/100). 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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Newtown's air quality reflects its position within Powys, with local traffic and the town's built-up core as the main contributors. Rush-hour queues near the A40 are usually when readings climb the most. Southwesterly winds usually ensure decent dispersal, so levels generally stay within the moderate range typical of UK towns.

Today - 16 July | Pollution peaks at 15:00

AQI:

Fair

29.5/100

PM2.5 (fine particles):

Good

10.5/100

PM10 (coarse particles):

Good

3.6/100

NO2 (nitrogen dioxide):

Good

13.3/100

O3 (ozone):

Fair

29.5/100

SO2 (sulfur dioxide):

Good

3.3/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

2.7/100

PM1 (ultrafine particles):

Good

8.7/100

Levels show the poorest local air quality during the day

Tomorrow - 17 July | Pollution peaks at 15:00

AQI:

Fair

34.9/100

PM2.5 (fine particles):

Good

15.7/100

PM10 (coarse particles):

Good

5.5/100

NO2 (nitrogen dioxide):

Good

15.8/100

O3 (ozone):

Fair

34.9/100

SO2 (sulfur dioxide):

Good

5.8/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

3.8/100

PM1 (ultrafine particles):

Good

13.6/100

Pollen forecast in Newtown

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Frequently Asked Questions

Is air quality bad in Newtown right now?

On 16 July 2026, overall air quality in Newtown is fair. AQI is the main air quality indicator at 29.5/100. Pollution peaks around 3:00 PM (O3: 29.5/100).

Will air quality be worse tomorrow in Newtown?

On 17 July 2026, air quality conditions in Newtown will be similar to today, with AQI forecast at fair at 34.9/100. Pollution peaks around 3:00 PM (O3: 34.9/100).

When is air pollution at its worst in Newtown?

Seasons make a real difference to air quality in Newtown, more than most people realise. Once the heating goes on and the air turns still, pollution from the A40 and nearby chimneys tends to build up rather than clear. By summer, ozone tends to rise on bright days, while better ventilation generally keeps particulate and NO₂ levels lower than winter. The shoulder seasons generally bring the mildest readings of the year.

Are air quality levels in Newtown 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