Tresco West Air Quality Forecast - Today, Tomorrow
Air Quality Today
Today (7 October): Air quality in Tresco West is moderate. AQI and PM2.5 are moderate; PM10 is fair; NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 10:00 AM (PM2.5: 41.6/100).
Air Quality Tomorrow
Tomorrow (8 October 2026): Air quality in Tresco West is good. AQI improves to good; PM2.5 decreases to good; PM10 decreases to good; all other pollutants stay as today. Pollution peaks around 12:00 AM (PM2.5: 20.0/100).
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Air Quality
Today - 7 October
| Pollen species | Level | Value |
|---|---|---|
| AQI | Moderate | 41.6/100 |
| PM2.5 (fine particles) | Moderate | 41.6/100 |
| PM10 (coarse particles) | Fair | 20.1/100 |
| NO2 (nitrogen dioxide) | Good | 3.4/100 |
| O3 (ozone) | Good | 12.7/100 |
| SO2 (sulfur dioxide) | Good | 0.6/100 |
| CO (carbon monoxide) | Good | 0.3/100 |
| HCHO (formaldehyde) | Good | 1.7/100 |
| PM1 (ultrafine particles) | Good | 2.0/100 |
Tomorrow - 8 October
| Pollen species | Level | Value |
|---|---|---|
| AQI | Good | 20.0/100 |
| PM2.5 (fine particles) | Good | 20.0/100 |
| PM10 (coarse particles) | Good | 6.9/100 |
| NO2 (nitrogen dioxide) | Good | 3.6/100 |
| O3 (ozone) | Good | 15.3/100 |
| SO2 (sulfur dioxide) | Good | 0.9/100 |
| CO (carbon monoxide) | Good | 0.3/100 |
| HCHO (formaldehyde) | Good | 2.8/100 |
| PM1 (ultrafine particles) | Good | 2.6/100 |
Local Environmental Conditions
With little dense development around the heart of Tresco West, local traffic emissions are modest. Farming is another source: tilling and harvest raise dust, while fertilizer and livestock release ammonia that turns into fine particles. Bare and dry ground means wind-blown dust can push up coarse particle levels on windy days. Air arriving from elsewhere in the region adds to what is produced locally.
Ozone is the main concern from December to March, when sunny days averaging 26°C turn traffic and other emissions into ozone by mid-afternoon. Later, cold spells from June to August, at around 9°C on average, are when smoke from wood burning and traffic lingers longest. Wildfire smoke is most likely from February to April, sometimes turning the sky hazy for days.
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Frequently Asked Questions About Air Quality in Victoria
Is air quality bad in Tresco West right now?
On 7 October 2026, overall air quality in Tresco West is moderate. AQI is the main air quality indicator at 41.6/100. Pollution peaks around 10:00 AM (PM2.5: 41.6/100).
Will air quality be worse tomorrow in Tresco West?
On 8 October 2026, air quality conditions in Tresco West will be better than today, with AQI forecast at good at 20.0/100. Pollution peaks around 12:00 AM (PM2.5: 20.0/100).
When is air pollution at its worst in Tresco West?
Ozone is the main concern from December to March, when sunny days averaging 26°C turn traffic and other emissions into ozone by mid-afternoon. Later, cold spells from June to August, at around 9°C on average, are when smoke from wood burning and traffic lingers longest. Wildfire smoke is most likely from February to April, sometimes turning the sky hazy for days.
Are air quality levels in Tresco West 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.
Understanding the Scale
The 0–100 air quality scores represent risk levels, not direct air pollutant concentrations. Higher scores indicate higher risk.
Air Quality
| Good | 0-20 | Low air quality risk. Air quality is expected to be good, with low levels of pollution. |
| Fair | 20-40 | Generally low air quality risk. Air quality is expected to be acceptable, with some pollution present. |
| Moderate | 40-60 | Moderate air quality risk. Air pollution is elevated and air quality may be less favorable. |
| Poor | 60-80 | High air quality risk. Air pollution is high and air quality is expected to be poor. |
| Very Poor | 80-100 | Very high air quality risk. Air pollution is very high and air quality is expected to be very poor. |