Worst air pollution Whitton, today and tomorrow
Today (20 September): Air quality in Whitton is moderate. AQI and PM1 are moderate; PM2.5, PM10, and NO2 are fair; O3, SO2, CO, and HCHO are good. Pollution peaks around 11:00 PM (PM1: 40.5/100).
Tomorrow (21 September 2026): Air quality in Whitton is moderate. PM2.5 increases to moderate; NO2 increases to moderate; all other pollutants stay as today. Pollution peaks around 8:00 PM (NO2: 55.8/100). Airmine updates local air quality forecasts four times daily.
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Commuter traffic feeding onto the A47 adds a further, consistent contribution to local readings. Whitton's air quality reflects its position within Richmond upon Thames, with local traffic and the town's built-up core as the main contributors. Shifting coastal winds generally provide reasonable ventilation, keeping levels close to typical UK urban averages for a town this size.
Today - 20 September | Pollution peaks at 23:00
AQI:
Moderate
40.5/100
PM2.5 (fine particles):
Fair
35.2/100
PM10 (coarse particles):
Fair
23.8/100
NO2 (nitrogen dioxide):
Fair
35.6/100
O3 (ozone):
Good
16.5/100
SO2 (sulfur dioxide):
Good
5.6/100
CO (carbon monoxide):
Good
0.9/100
HCHO (formaldehyde):
Good
8.3/100
PM1 (ultrafine particles):
Moderate
40.5/100
Levels show the poorest local air quality during the day
Tomorrow - 21 September | Pollution peaks at 20:00
AQI:
Moderate
55.8/100
PM2.5 (fine particles):
Moderate
45.4/100
PM10 (coarse particles):
Fair
38.7/100
NO2 (nitrogen dioxide):
Moderate
55.8/100
O3 (ozone):
Good
17.1/100
SO2 (sulfur dioxide):
Good
10.9/100
CO (carbon monoxide):
Good
1.3/100
HCHO (formaldehyde):
Good
15.7/100
PM1 (ultrafine particles):
Moderate
51.8/100
Pollen forecast in Whitton
View pollen forecastFrequently Asked Questions
Is air quality bad in Whitton right now?
On 20 September 2026, overall air quality in Whitton is moderate. AQI is the main air quality indicator at 40.5/100. Pollution peaks around 11:00 PM (PM1: 40.5/100).
Will air quality be worse tomorrow in Whitton?
On 21 September 2026, air quality conditions in Whitton will be similar to today, with AQI forecast at moderate at 55.8/100. Pollution peaks around 8:00 PM (NO2: 55.8/100).
When is air pollution at its worst in Whitton?
There's a clear yearly cycle to air quality in Whitton if you look closely. Come winter, NO₂ and PM2.5 usually creep up, as heating and calmer air let A47 traffic emissions linger rather than disperse. 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 Whitton 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 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.
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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