Worst air pollution Orpington, today and tomorrow
Today (9 August): Air quality in Orpington is fair. PM2.5 and PM1 are fair; AQI, NO2, and O3 are medium; PM10, SO2, CO, and HCHO are good. Pollution peaks around 3:00 PM (O3: 56.2/100).
Tomorrow (10 August 2026): Air quality in Orpington is fair. AQI worsens to fair; PM2.5 decreases to good; NO2 increases to fair; O3 increases to fair; PM1 decreases to good; all other pollutants stay as today. Pollution peaks around 5:00 PM (O3: 33.3/100). 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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The M3 generates consistent traffic-related NO₂ and PM2.5, particularly during peak commuting hours. Air quality in Orpington is shaped by its location in Bromley, where vehicle traffic and everyday urban activity dominate local sources. The prevailing Atlantic airflow usually ensure decent dispersal, so levels generally stay within the moderate range typical of UK towns.
Today - 9 August | Pollution peaks at 15:00
AQI:
Medium
56.2/100
PM2.5 (fine particles):
Fair
23.7/100
PM10 (coarse particles):
Good
6.4/100
NO2 (nitrogen dioxide):
Medium
53.0/100
O3 (ozone):
Medium
56.2/100
SO2 (sulfur dioxide):
Good
15.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
7.8/100
PM1 (ultrafine particles):
Fair
30.0/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 17:00
AQI:
Fair
33.3/100
PM2.5 (fine particles):
Good
7.9/100
PM10 (coarse particles):
Good
2.9/100
NO2 (nitrogen dioxide):
Fair
20.7/100
O3 (ozone):
Fair
33.3/100
SO2 (sulfur dioxide):
Good
4.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
4.6/100
PM1 (ultrafine particles):
Good
7.1/100
Pollen forecast in Orpington
View pollen forecastFrequently Asked Questions
Is air quality bad in Orpington right now?
On 9 August 2026, overall air quality in Orpington is fair. PM1 is the main pollutant at 30.0/100. Pollution peaks around 3:00 PM (O3: 56.2/100).
Will air quality be worse tomorrow in Orpington?
On 10 August 2026, air quality conditions in Orpington will be similar to today, with AQI forecast at fair at 33.3/100. Pollution peaks around 5:00 PM (O3: 33.3/100).
When is air pollution at its worst in Orpington?
Orpington's air quality follows a familiar seasonal pattern most UK towns share. Summer's more of a mixed bag: ozone can spike in strong sun, but overall dispersion tends to be better than the depths of winter. In deep winter, a lack of wind lets M3 traffic fumes and woodsmoke settle instead of blowing through. Spring and autumn don't usually cause much concern, sitting comfortably between winter's peak and summer's ozone spikes.
Are air quality levels in Orpington 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: 9 August 2026 at 20:27 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.
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