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 2pm
62
62
62 5pm
62
62
82 8pm
82
82
82 11pm
62
62
62 2am
62
62
— 5am
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— 8am
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— 11am
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CAMS model adj +28
34
34
34
34
34
34
54
54
54
54
34
34
34
34
34

Air Quality Trend (24h)

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

52
St Marys Sydney North-west
0.0 km PM2.5: 12.6 µg/m³
61
St Marys Sydney North-west
0.0 km PM2.5: 16.9 µg/m³
19
St Marys Sydney North-west
0.0 km PM2.5: 4.6 µg/m³
18
St Marys Sydney North-west
0.0 km PM2.5: 4.3 µg/m³
11
St Marys Sydney North-west
0.0 km PM2.5: 2.6 µg/m³
52
St Marys Sydney North-west
0.0 km PM2.5: 12.6 µg/m³
32
St Marys Sydney North-west
0.0 km PM2.5: 7.7 µg/m³
23
Sydney Penrith
9.6 km PM2.5: 5.5 µg/m³

Nearby Cities

32 St Clair 37 Mount Druitt 29 Glenmore Park 26 Cranebrook 47 Quakers Hill 54 Blacktown 56 Seven Hills 51 Glenwood 55 Greystanes

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-14T17:32 UTC.