Wonthaggi Air Quality Forecast - Today, Tomorrow
Air Quality Today
Today (11 October): Air quality in Wonthaggi is good. AQI, PM2.5, PM10, NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 12:00 AM (PM2.5: 18.0/100).
Air Quality Tomorrow
Tomorrow (12 October 2026): Air quality in Wonthaggi is fair. AQI worsens to fair; PM2.5 increases to fair; PM10 increases to fair; all other pollutants stay as today. Pollution peaks around 11:00 AM (PM2.5: 27.2/100).
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Air Quality
Today - 11 October
| Pollutant | Level | Value |
|---|---|---|
| AQI | Good | 18.0/100 |
| PM2.5 (fine particles) | Good | 18.0/100 |
| PM10 (coarse particles) | Good | 14.1/100 |
| NO2 (nitrogen dioxide) | Good | 11.0/100 |
| O3 (ozone) | Good | 16.3/100 |
| SO2 (sulfur dioxide) | Good | 1.3/100 |
| CO (carbon monoxide) | Good | 0.3/100 |
| HCHO (formaldehyde) | Good | 2.8/100 |
| PM1 (ultrafine particles) | Good | 1.8/100 |
Tomorrow - 12 October
| Pollutant | Level | Value |
|---|---|---|
| AQI | Fair | 27.2/100 |
| PM2.5 (fine particles) | Fair | 27.2/100 |
| PM10 (coarse particles) | Fair | 23.9/100 |
| NO2 (nitrogen dioxide) | Good | 4.6/100 |
| O3 (ozone) | Good | 13.6/100 |
| SO2 (sulfur dioxide) | Good | 0.4/100 |
| CO (carbon monoxide) | Good | 0.3/100 |
| HCHO (formaldehyde) | Good | 1.3/100 |
| PM1 (ultrafine particles) | Good | 1.6/100 |
Local Environmental Conditions
The heart of Wonthaggi combines built-up streets with more open land, so local traffic matters, though emissions are less concentrated than in a city center. Breezes off the Facing Bass Strait usually help ventilate the area. Parks and street trees provide a modest buffer against traffic pollution. On some days, pollution drifting in from farther away outweighs local sources.
Ozone rises a little on sunny days from December to March, but the mild summers, around 19°C, keep it in check. Cooler, still evenings from June to August, averaging about 10°C, tend to hold exhaust close to busy streets. 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 Victoria
Is air quality bad in Wonthaggi right now?
On 11 October 2026, overall air quality in Wonthaggi is good. AQI is the main air quality indicator at 18.0/100. Pollution peaks around 12:00 AM (PM2.5: 18.0/100).
Will air quality be worse tomorrow in Wonthaggi?
On 12 October 2026, air quality conditions in Wonthaggi will be worse than today, with AQI forecast at fair at 27.2/100. Pollution peaks around 11:00 AM (PM2.5: 27.2/100).
When is air pollution at its worst in Wonthaggi?
Ozone rises a little on sunny days from December to March, but the mild summers, around 19°C, keep it in check. Cooler, still evenings from June to August, averaging about 10°C, tend to hold exhaust close to busy streets. Short-term changes follow the weather: calm spells raise levels, while breezy or rainy days lower them.
Are air quality levels in Wonthaggi 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. |