Barwon Heads Air Quality Forecast - Today, Tomorrow
Air Quality Today
Today (7 October): Air quality in Barwon Heads is fair. AQI, PM2.5, and PM10 are fair; NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 8:00 AM (PM2.5: 38.3/100).
Air Quality Tomorrow
Tomorrow (8 October 2026): Air quality in Barwon Heads is fair. PM10 decreases to good; NO2 increases to fair; all other pollutants stay as today. Pollution peaks around 1:00 PM (PM2.5: 37.5/100).
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Air Quality
Today - 7 October
| Pollen species | Level | Value |
|---|---|---|
| AQI | Fair | 38.3/100 |
| PM2.5 (fine particles) | Fair | 38.3/100 |
| PM10 (coarse particles) | Fair | 22.2/100 |
| NO2 (nitrogen dioxide) | Good | 2.8/100 |
| O3 (ozone) | Good | 14.8/100 |
| SO2 (sulfur dioxide) | Good | 1.3/100 |
| CO (carbon monoxide) | Good | 0.2/100 |
| HCHO (formaldehyde) | Good | 1.5/100 |
| PM1 (ultrafine particles) | Good | 0.9/100 |
Tomorrow - 8 October
| Pollen species | Level | Value |
|---|---|---|
| AQI | Fair | 37.5/100 |
| PM2.5 (fine particles) | Fair | 37.5/100 |
| PM10 (coarse particles) | Good | 17.1/100 |
| NO2 (nitrogen dioxide) | Fair | 24.8/100 |
| O3 (ozone) | Good | 18.7/100 |
| SO2 (sulfur dioxide) | Good | 3.7/100 |
| CO (carbon monoxide) | Good | 0.4/100 |
| HCHO (formaldehyde) | Good | 3.0/100 |
| PM1 (ultrafine particles) | Good | 6.1/100 |
Local Environmental Conditions
Around the heart of Barwon Heads, a mix of built-up land and open space means traffic is an important, but not overwhelming, local pollution source. Pockets of trees and green space help filter a small share of the particles from traffic. Winds here are fairly strong, averaging around 20 km/h, which helps disperse local pollution. Pollution carried in from the wider region can also raise levels at times.
With summer temperatures averaging only about 18°C, ozone rarely becomes a serious problem. Later, air near roads is often at its worst from June to August, when nights cool to around 11°C and the air turns still. Overall, breezy weather in July, with winds near 25 km/h, tends to sweep pollution away.
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Frequently Asked Questions About Air Quality in Victoria
Is air quality bad in Barwon Heads right now?
On 7 October 2026, overall air quality in Barwon Heads is fair. AQI is the main air quality indicator at 38.3/100. Pollution peaks around 8:00 AM (PM2.5: 38.3/100).
Will air quality be worse tomorrow in Barwon Heads?
On 8 October 2026, air quality conditions in Barwon Heads will be similar to today, with AQI forecast at fair at 37.5/100. Pollution peaks around 1:00 PM (PM2.5: 37.5/100).
When is air pollution at its worst in Barwon Heads?
With summer temperatures averaging only about 18°C, ozone rarely becomes a serious problem. Later, air near roads is often at its worst from June to August, when nights cool to around 11°C and the air turns still. Overall, breezy weather in July, with winds near 25 km/h, tends to sweep pollution away.
Are air quality levels in Barwon Heads 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. |