Worst air pollution Runnymede, today and tomorrow
Today (25 August): Air quality in Runnymede is fair. AQI and NO2 are fair; PM2.5, PM10, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 10:00 PM (NO2: 22.3/100).
Tomorrow (26 August 2026): Air quality in Runnymede is good. AQI improves to good; NO2 decreases to good; all other pollutants stay as today. Pollution peaks around 12:00 AM (NO2: 18.7/100). 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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In Runnymede, modest traffic volumes mean local air quality leans more on farmland dust and seasonal burning than on vehicle emissions. Without much nearby woodland or park, there's little to meaningfully soften the local particulate load. Actual daily readings vary with weather, time of day, and short-term local activity. The surrounding area tends to follow a similar pattern, with only minor local variation.
Today - 25 August | Pollution peaks at 22:00
AQI:
Fair
22.3/100
PM2.5 (fine particles):
Good
5.6/100
PM10 (coarse particles):
Good
1.5/100
NO2 (nitrogen dioxide):
Fair
22.3/100
O3 (ozone):
Good
14.5/100
SO2 (sulfur dioxide):
Good
7.9/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.6/100
PM1 (ultrafine particles):
Good
7.7/100
Levels show the poorest local air quality during the day
Tomorrow - 26 August | Pollution peaks at 00:00
AQI:
Good
18.7/100
PM2.5 (fine particles):
Good
7.6/100
PM10 (coarse particles):
Good
3.0/100
NO2 (nitrogen dioxide):
Good
18.7/100
O3 (ozone):
Good
15.0/100
SO2 (sulfur dioxide):
Good
6.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.4/100
PM1 (ultrafine particles):
Good
8.4/100
Pollen forecast in Runnymede
View pollen forecastFrequently Asked Questions
Is air quality bad in Runnymede right now?
On 25 August 2026, overall air quality in Runnymede is fair. AQI is the main air quality indicator at 22.3/100. Pollution peaks around 10:00 PM (NO2: 22.3/100).
Will air quality be worse tomorrow in Runnymede?
On 26 August 2026, air quality conditions in Runnymede will be better than today, with AQI forecast at good at 18.7/100. Pollution peaks around 12:00 AM (NO2: 18.7/100).
When is air pollution at its worst in Runnymede?
Winter is usually when particulate matter climbs highest locally, when wood heater use and gas heating rise just as calm, cold air traps the smoke locally. Warmer months bring a different problem: smoke haze from nearby bushfires, with bushfire smoke capable of pushing particulate readings well above the ozone increase from heat and sun alone.
Are air quality levels in Runnymede 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: 24 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.
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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