Worst air pollution Southam Warwickshire, today and tomorrow
Today (20 September): Air quality in Southam Warwickshire is fair. AQI, PM2.5, PM10, and NO2 are fair; O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 9:00 AM (PM2.5: 26.0/100).
Tomorrow (21 September 2026): Air quality in Southam Warwickshire is moderate. AQI worsens to moderate; NO2 increases to moderate; O3 increases to fair; all other pollutants stay as today. Pollution peaks around 10:00 PM (NO2: 53.5/100). 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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Air quality in Southam Warwickshire is shaped by its location in Warwickshire, where vehicle traffic and everyday urban activity dominate local sources. The A2 sees the heaviest traffic, and that shows up clearly in local roadside monitoring. The prevailing Atlantic airflow do most of the work keeping things in check, more so than any local policy or infrastructure change.
Today - 20 September | Pollution peaks at 09:00
AQI:
Fair
26.0/100
PM2.5 (fine particles):
Fair
26.0/100
PM10 (coarse particles):
Fair
20.6/100
NO2 (nitrogen dioxide):
Fair
25.6/100
O3 (ozone):
Good
19.5/100
SO2 (sulfur dioxide):
Good
1.8/100
CO (carbon monoxide):
Good
0.7/100
HCHO (formaldehyde):
Good
2.3/100
PM1 (ultrafine particles):
Good
3.4/100
Levels show the poorest local air quality during the day
Tomorrow - 21 September | Pollution peaks at 22:00
AQI:
Moderate
53.5/100
PM2.5 (fine particles):
Fair
38.8/100
PM10 (coarse particles):
Fair
22.9/100
NO2 (nitrogen dioxide):
Moderate
53.5/100
O3 (ozone):
Fair
21.0/100
SO2 (sulfur dioxide):
Good
3.8/100
CO (carbon monoxide):
Good
1.0/100
HCHO (formaldehyde):
Good
4.2/100
PM1 (ultrafine particles):
Good
10.6/100
Pollen forecast in Southam Warwickshire
View pollen forecastFrequently Asked Questions
Is air quality bad in Southam Warwickshire right now?
On 20 September 2026, overall air quality in Southam Warwickshire is fair. AQI is the main air quality indicator at 26.0/100. Pollution peaks around 9:00 AM (PM2.5: 26.0/100).
Will air quality be worse tomorrow in Southam Warwickshire?
On 21 September 2026, air quality conditions in Southam Warwickshire will be worse than today, with AQI forecast at moderate at 53.5/100. Pollution peaks around 10:00 PM (NO2: 53.5/100).
When is air pollution at its worst in Southam Warwickshire?
Spring and autumn are typically the easiest months, air-quality-wise, for most residents. Seasons make a real difference to air quality in Southam Warwickshire, more than most people realise. The coldest months usually bring the worst readings, as heating and temperature inversions keep A2 emissions from dispersing normally. 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 Southam Warwickshire 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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