St Marys Sydney North-west

Monitoring Station · St Clair, Australia
28
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
49 8am
28
48
48 11am
48
60
60 2pm
48
48
48 5pm
48
48
48 8pm
48
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Station readings
49
28
CAMS model adj -6
54
54
54
54
54
66
66
54
54
54
54
54
54
54

Air Quality Trend (24h)

PM2.56.7 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

53
St Marys Sydney North-west
0.0 km PM2.5: 13.1 µg/m³
20
St Marys Sydney North-west
0.0 km PM2.5: 4.8 µg/m³
47
St Marys Sydney North-west
0.0 km PM2.5: 11.3 µg/m³
23
St Marys Sydney North-west
0.0 km PM2.5: 5.5 µg/m³
27
St Marys Sydney North-west
0.0 km PM2.5: 6.5 µg/m³
53
St Marys Sydney North-west
0.0 km PM2.5: 13.1 µg/m³
60
Sydney Penrith
9.6 km PM2.5: 16.4 µg/m³
54
Sydney Penrith
9.6 km PM2.5: 13.5 µg/m³

Nearby Cities

48 St Clair 38 Mount Druitt 36 Glenmore Park 29 Cranebrook 25 Quakers Hill 28 Blacktown 29 Seven Hills 24 Glenwood 26 Greystanes

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-18T11:06 UTC.