Tocumwal Air Quality Forecast - Today, Tomorrow
Air Quality Today
Today (7 October): Air quality in Tocumwal is fair. AQI and PM2.5 are fair; PM10, NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 10:00 AM (PM2.5: 32.9/100).
Air Quality Tomorrow
Tomorrow (8 October 2026): Air quality in Tocumwal is fair. All pollutants stay as today. Pollution peaks around 12:00 AM (PM2.5: 21.3/100).
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Air Quality
Today - 7 October
| Pollen species | Level | Value |
|---|---|---|
| AQI | Fair | 32.9/100 |
| PM2.5 (fine particles) | Fair | 32.9/100 |
| PM10 (coarse particles) | Good | 15.6/100 |
| NO2 (nitrogen dioxide) | Good | 15.3/100 |
| O3 (ozone) | Good | 15.9/100 |
| SO2 (sulfur dioxide) | Good | 0.9/100 |
| CO (carbon monoxide) | Good | 0.3/100 |
| HCHO (formaldehyde) | Good | 2.0/100 |
| PM1 (ultrafine particles) | Good | 4.3/100 |
Tomorrow - 8 October
| Pollen species | Level | Value |
|---|---|---|
| AQI | Fair | 21.3/100 |
| PM2.5 (fine particles) | Fair | 21.3/100 |
| PM10 (coarse particles) | Good | 9.8/100 |
| NO2 (nitrogen dioxide) | Good | 16.1/100 |
| O3 (ozone) | Good | 16.2/100 |
| SO2 (sulfur dioxide) | Good | 0.7/100 |
| CO (carbon monoxide) | Good | 0.3/100 |
| HCHO (formaldehyde) | Good | 2.1/100 |
| PM1 (ultrafine particles) | Good | 4.4/100 |
Local Environmental Conditions
The heart of Tocumwal lies in a lightly developed area, where local traffic adds relatively little to air pollution. Trees nearby help filter some particles from the air, though in hot weather they also emit compounds that feed ozone formation. Pollution carried in from the wider region can also raise levels at times.
Warm, sunny weather from December to March, around 25°C at its peak, raises afternoon ozone levels. In contrast, cold spells from June to August, at around 8°C on average, are when smoke from home heating and traffic lingers longest. Short-term changes follow the weather: calm spells raise levels, while breezy or rainy days lower them.
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Frequently Asked Questions About Air Quality in New South Wales
Is air quality bad in Tocumwal right now?
On 7 October 2026, overall air quality in Tocumwal is fair. AQI is the main air quality indicator at 32.9/100. Pollution peaks around 10:00 AM (PM2.5: 32.9/100).
Will air quality be worse tomorrow in Tocumwal?
On 8 October 2026, air quality conditions in Tocumwal will be similar to today, with AQI forecast at fair at 21.3/100. Pollution peaks around 12:00 AM (PM2.5: 21.3/100).
When is air pollution at its worst in Tocumwal?
Warm, sunny weather from December to March, around 25°C at its peak, raises afternoon ozone levels. In contrast, cold spells from June to August, at around 8°C on average, are when smoke from home heating and traffic lingers longest. Short-term changes follow the weather: calm spells raise levels, while breezy or rainy days lower them.
Are air quality levels in Tocumwal 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. |