St Marys Sydney North-west

Monitoring Station · St Clair, Australia
52
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
34 5pm
34
34
54 8pm
54
54
54 11pm
34
34
34 2am
34
34
34 5am
34
54
— 8am
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— 11am
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— 2pm
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Air Quality Trend (24h)

PM2.512.6 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
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
53
St Marys Sydney North-west
0.0 km PM2.5: 13.1 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 2026-04-14T20:36 UTC.