Altona North Air Quality Forecast - Today, Tomorrow
Air Quality Today
Today (7 October): Air quality in Altona North is fair. AQI, PM2.5, PM10, and NO2 are fair; O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 8:00 AM (PM2.5: 28.6/100).
Air Quality Tomorrow
Tomorrow (8 October 2026): Air quality in Altona North is fair. All pollutants stay as today. Pollution peaks around 9:00 AM (PM2.5: 34.0/100).
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Air Quality
Today - 7 October
| Pollen species | Level | Value |
|---|---|---|
| AQI | Fair | 28.6/100 |
| PM2.5 (fine particles) | Fair | 28.6/100 |
| PM10 (coarse particles) | Fair | 22.3/100 |
| NO2 (nitrogen dioxide) | Fair | 25.9/100 |
| O3 (ozone) | Good | 11.7/100 |
| SO2 (sulfur dioxide) | Good | 4.5/100 |
| CO (carbon monoxide) | Good | 0.4/100 |
| HCHO (formaldehyde) | Good | 3.8/100 |
| PM1 (ultrafine particles) | Good | 10.1/100 |
Tomorrow - 8 October
| Pollen species | Level | Value |
|---|---|---|
| AQI | Fair | 34.0/100 |
| PM2.5 (fine particles) | Fair | 34.0/100 |
| PM10 (coarse particles) | Fair | 20.8/100 |
| NO2 (nitrogen dioxide) | Fair | 30.3/100 |
| O3 (ozone) | Good | 14.3/100 |
| SO2 (sulfur dioxide) | Good | 5.0/100 |
| CO (carbon monoxide) | Good | 0.6/100 |
| HCHO (formaldehyde) | Good | 4.8/100 |
| PM1 (ultrafine particles) | Good | 18.3/100 |
Local Environmental Conditions
Around the heart of Altona North, dense development means road traffic is the main local source of nitrogen dioxide and fine particles. Winds here are fairly strong, averaging around 15 km/h, which helps disperse local pollution. Pollution carried in from the wider region can also raise levels at times. Levels are generally highest right next to busy roads and drop off quickly with distance.
Particle levels tend to be highest from June to August, when home heating and traffic add more emissions and cold, calm spells at around 9°C can leave a light winter haze over the city. Ozone is the main concern in January, when sunny days averaging 20°C turn traffic and other emissions into ozone by mid-afternoon.
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Frequently Asked Questions About Air Quality in Victoria
Is air quality bad in Altona North right now?
On 7 October 2026, overall air quality in Altona North is fair. AQI is the main air quality indicator at 28.6/100. Pollution peaks around 8:00 AM (PM2.5: 28.6/100).
Will air quality be worse tomorrow in Altona North?
On 8 October 2026, air quality conditions in Altona North will be similar to today, with AQI forecast at fair at 34.0/100. Pollution peaks around 9:00 AM (PM2.5: 34.0/100).
When is air pollution at its worst in Altona North?
Particle levels tend to be highest from June to August, when home heating and traffic add more emissions and cold, calm spells at around 9°C can leave a light winter haze over the city. Ozone is the main concern in January, when sunny days averaging 20°C turn traffic and other emissions into ozone by mid-afternoon.
Are air quality levels in Altona North 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. |