Air quality in Australia
Air quality in New South Wales today
Updated
Good: average US AQI 25 across 7 cities in New South Wales Worst now: Newcastle (31); cleanest: Griffith (19).
Live US AQI, PM2.5 and ozone for cities across New South Wales, compared with the Australia average.
- Average US AQI
- 25 Good
- Australia average
- 28 27 cities
- Most polluted now
- Newcastle AQI 31
- Cleanest now
- Griffith AQI 19
- Cities above 100
- 0
Air quality in New South Wales today
Right now the modelled air quality in New South Wales averages a US AQI of 25 (Good) across the 7 cities we track. By category: 7 Good (of 7).
That is close to the Australia average of 28, ranking 4 of 8 states from cleanest to most polluted.
Newcastle has the worst air at 31 (PM2.5 0.6 µg/m³), and Griffith the cleanest at 19. No tracked city is above 100, so no group needs to change plans.
New South Wales cities by AQI (most polluted first)
| City | US AQI | Category | PM2.5 µg/m³ | PM10 µg/m³ | Ozone µg/m³ |
|---|---|---|---|---|---|
| Newcastle | 31 | Good | 0.6 | 1 | 57 |
| Sydney | 28 | Good | 2.3 | 4 | 51 |
| Orange | 27 | Good | 0.1 | 0 | 46 |
| Central Coast | 24 | Good | 0.9 | 1 | 52 |
| Wollongong | 24 | Good | 0.4 | 1 | 51 |
| Liverpool | 24 | Good | 0.6 | 1 | 51 |
| Griffith | 19 | Good | 2.9 | 4 | 39 |
What the US AQI numbers mean
| US AQI | Category | What it means |
|---|---|---|
| 0-50 | Good | Air quality is satisfactory and poses little or no risk; a good time for outdoor activity. |
| 51-100 | Moderate | Acceptable for most people. Unusually sensitive people should consider shortening long or heavy exertion outdoors. |
| 101-150 | Unhealthy for Sensitive Groups | People with heart or lung disease, older adults, children and teens should cut back on prolonged or heavy exertion outdoors. |
| 151-200 | Unhealthy | Everyone should reduce prolonged or heavy exertion outdoors; sensitive groups should avoid it and keep windows closed. |
| 201-300 | Very Unhealthy | Health alert: everyone should avoid prolonged or heavy exertion outdoors, and sensitive groups should stay indoors. |
| 301-500 | Hazardous | Emergency conditions: everyone should avoid all outdoor physical activity and stay indoors with filtered air if possible. The scale tops out at 500; heavier dust or smoke is shown as 500. |
Modelled by CAMS (Copernicus) via Open-Meteo, refreshed twice a day; read hour by hour from the forecast.
Cities in New South Wales
More
Data: Open-Meteo Air Quality API, Copernicus Atmosphere Monitoring Service (CAMS).