St Marys Sydney North-west

Monitoring Station · St Clair, Australia
53
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
62 5pm
62
62
82 8pm
82
82
82 11pm
62
62
62 2am
62
62
62 5am
62
82
— 8am
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—
— 11am
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— 2pm
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CAMS model adj +28
34
34
34
54
54
54
54
34
34
34
34
34
34
34
54

Air Quality Trend (24h)

PM2.513.1 µg/m³ ✓ WHO
Moderate
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Nearby Monitoring Stations

18
St Marys Sydney North-west
0.0 km PM2.5: 4.3 µg/m³
52
St Marys Sydney North-west
0.0 km PM2.5: 12.6 µg/m³
19
St Marys Sydney North-west
0.0 km PM2.5: 4.6 µg/m³
32
St Marys Sydney North-west
0.0 km PM2.5: 7.7 µg/m³
31
St Marys Sydney North-west
0.0 km PM2.5: 7.4 µg/m³
52
St Marys Sydney North-west
0.0 km PM2.5: 12.6 µg/m³
11
St Marys Sydney North-west
0.0 km PM2.5: 2.6 µg/m³
32
St Marys Sydney North-west
0.0 km PM2.5: 7.7 µg/m³

Nearby Cities

30 St Clair 27 Mount Druitt 20 Glenmore Park 14 Cranebrook 25 Quakers Hill 29 Blacktown 30 Seven Hills 27 Glenwood 34 Greystanes

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-14T20:30 UTC.