Cronulla, Sydney Air Quality Forecast - Today, Tomorrow
Air Quality Today
Today (7 October): Air quality in Cronulla is fair. AQI, PM2.5, and PM10 are fair; NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 11:00 PM (PM2.5: 36.8/100).
Air Quality Tomorrow
Tomorrow (8 October 2026): Air quality in Cronulla is fair. All pollutants stay as today. Pollution peaks around 12:00 AM (PM2.5: 36.8/100).
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Air Quality
Today - 7 October
| Pollen species | Level | Value |
|---|---|---|
| AQI | Fair | 36.8/100 |
| PM2.5 (fine particles) | Fair | 36.8/100 |
| PM10 (coarse particles) | Fair | 28.6/100 |
| NO2 (nitrogen dioxide) | Good | 6.4/100 |
| O3 (ozone) | Good | 16.8/100 |
| SO2 (sulfur dioxide) | Good | 1.8/100 |
| CO (carbon monoxide) | Good | 0.3/100 |
| HCHO (formaldehyde) | Good | 1.3/100 |
| PM1 (ultrafine particles) | Good | 2.1/100 |
Tomorrow - 8 October
| Pollen species | Level | Value |
|---|---|---|
| AQI | Fair | 36.8/100 |
| PM2.5 (fine particles) | Fair | 36.8/100 |
| PM10 (coarse particles) | Fair | 27.8/100 |
| NO2 (nitrogen dioxide) | Good | 14.0/100 |
| O3 (ozone) | Good | 13.6/100 |
| SO2 (sulfur dioxide) | Good | 4.1/100 |
| CO (carbon monoxide) | Good | 0.3/100 |
| HCHO (formaldehyde) | Good | 2.4/100 |
| PM1 (ultrafine particles) | Good | 3.5/100 |
Local Environmental Conditions
Around this site in Sydney, a mix of built-up land and open space means traffic is an important, but not overwhelming, local pollution source. Sea breezes along the coast usually help ventilate the area. Port and shipping activity adds to local emissions. Pockets of trees and green space help filter a small share of the particles from traffic. On some days, pollution drifting in from farther away outweighs local sources.
From December to March, strong sunshine and temperatures around 23°C drive ozone formation, with levels peaking in the afternoon. From June to August, cooler nights and lighter winds, with temperatures around 14°C, let traffic pollution linger near busy roads. Overall, stronger winds around July, about 15 km/h on average, usually bring some of the cleanest air of the year.
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Frequently Asked Questions About Air Quality in New South Wales
Is air quality bad in Cronulla right now?
On 7 October 2026, overall air quality in Cronulla is fair. AQI is the main air quality indicator at 36.8/100. Pollution peaks around 11:00 PM (PM2.5: 36.8/100).
Will air quality be worse tomorrow in Cronulla?
On 8 October 2026, air quality conditions in Cronulla will be similar to today, with AQI forecast at fair at 36.8/100. Pollution peaks around 12:00 AM (PM2.5: 36.8/100).
When is air pollution at its worst in Cronulla?
From December to March, strong sunshine and temperatures around 23°C drive ozone formation, with levels peaking in the afternoon. From June to August, cooler nights and lighter winds, with temperatures around 14°C, let traffic pollution linger near busy roads. Overall, stronger winds around July, about 15 km/h on average, usually bring some of the cleanest air of the year.
Are air quality levels in Cronulla 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. |