Worst air pollution Dietikon, today and tomorrow

On 30 August 2026, overall air quality in Dietikon is fair. AQI is the main air quality indicator at 23.3/100. Pollution peaks around 5:00 PM (O3: 23.3/100).

On 31 August 2026, air quality conditions in Dietikon will be similar to today, with AQI forecast at fair at 25.4/100. Pollution peaks around 3:00 PM (O3: 25.4/100).

Winter stillness is the main driver of poor air quality at Dietikon, letting vehicle traffic and dense urban activity build up in the lake basin until the wind eventually returns. Things generally improve from spring onward, with summer's stronger winds keeping the air clear except for the occasional hot-weather ozone peak; autumn is typically calm and mild.

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.

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.