St Marys Sydney North-west

Monitoring Station · St Clair, Australia
20
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
54 3pm
54
54
54 6pm
54
54
54 9pm
54
34
27 12am
27
27
34 3am
34
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Air Quality Trend (24h)

PM2.54.8 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

23
St Marys Sydney North-west
0.0 km PM2.5: 5.5 µg/m³
28
St Marys Sydney North-west
0.0 km PM2.5: 6.7 µg/m³
17
St Marys Sydney North-west
0.0 km PM2.5: 4.1 µg/m³
18
St Marys Sydney North-west
0.0 km PM2.5: 4.3 µg/m³
14
St Marys Sydney North-west
0.0 km PM2.5: 3.4 µg/m³
57
St Marys Sydney North-west
0.0 km PM2.5: 15.0 µg/m³
27
St Marys Sydney North-west
0.0 km PM2.5: 6.5 µg/m³
20
St Marys Sydney North-west
0.0 km PM2.5: 4.8 µg/m³

Nearby Cities

21 St Clair 32 Mount Druitt 25 Glenmore Park 21 Cranebrook 52 Quakers Hill 43 Blacktown 42 Seven Hills 52 Glenwood 41 Greystanes

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-18T18:01 UTC.