Worst air pollution Brownhills, today and tomorrow
Today (20 September): Air quality in Brownhills is good. AQI, PM2.5, PM10, NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 10:00 AM (PM10: 19.3/100).
Tomorrow (21 September 2026): Air quality in Brownhills is fair. AQI worsens to fair; NO2 increases to fair; PM1 increases to fair; all other pollutants stay as today. Pollution peaks around 10:00 PM (PM1: 25.0/100). Airmine updates local air quality forecasts four times daily.
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The A9 generates consistent traffic-related NO₂ and PM2.5, particularly during peak commuting hours. Brownhills's position in Walsall means air quality is mostly determined by local road traffic and the compact scale of the centre. Easterly winds do most of the work keeping things in check, more so than any local policy or infrastructure change.
Today - 20 September | Pollution peaks at 10:00
AQI:
Good
19.3/100
PM2.5 (fine particles):
Good
16.1/100
PM10 (coarse particles):
Good
19.3/100
NO2 (nitrogen dioxide):
Good
9.1/100
O3 (ozone):
Good
15.6/100
SO2 (sulfur dioxide):
Good
1.2/100
CO (carbon monoxide):
Good
0.7/100
HCHO (formaldehyde):
Good
2.6/100
PM1 (ultrafine particles):
Good
10.8/100
Levels show the poorest local air quality during the day
Tomorrow - 21 September | Pollution peaks at 22:00
AQI:
Fair
25.0/100
PM2.5 (fine particles):
Good
16.7/100
PM10 (coarse particles):
Good
17.3/100
NO2 (nitrogen dioxide):
Fair
22.6/100
O3 (ozone):
Good
17.3/100
SO2 (sulfur dioxide):
Good
2.0/100
CO (carbon monoxide):
Good
0.8/100
HCHO (formaldehyde):
Good
4.6/100
PM1 (ultrafine particles):
Fair
25.0/100
Pollen forecast in Brownhills
View pollen forecastFrequently Asked Questions
Is air quality bad in Brownhills right now?
On 20 September 2026, overall air quality in Brownhills is good. AQI is the main air quality indicator at 19.3/100. Pollution peaks around 10:00 AM (PM10: 19.3/100).
Will air quality be worse tomorrow in Brownhills?
On 21 September 2026, air quality conditions in Brownhills will be worse than today, with AQI forecast at fair at 25.0/100. Pollution peaks around 10:00 PM (PM1: 25.0/100).
When is air pollution at its worst in Brownhills?
Spring and autumn don't usually cause much concern, sitting comfortably between winter's peak and summer's ozone spikes. In Brownhills, pollution levels don't stay flat — winter and summer look pretty different. Once the heating goes on and the air turns still, pollution from the A9 and nearby chimneys tends to build up rather than clear. 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 Brownhills 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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