Worst air pollution West Mount Vernon - City of Mount Vernon, today and tomorrow

On 30 August 2026, overall air quality in West Mount Vernon is moderate. AQI is the main air quality indicator at 42.1/100. Pollution peaks around 12:00 PM (O3: 42.1/100).

On 31 August 2026, air quality conditions in West Mount Vernon will be better than today, with AQI forecast at fair at 30.3/100. Pollution peaks around 12:00 PM (O3: 30.3/100).

Winter tends to bring the year's worst particulate spikes here, when winter inversions trap local heating smoke in place for days at a time. As temperatures rise, ozone typically becomes the dominant summer issue around here, which forms readily in strong sunlight and heat, and can spike further during wildfire smoke events. Spring and fall typically bring a welcome improvement, as milder temperatures and better wind flow clear the air.

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.