St Marys Sydney North-west

Monitoring Station · St Clair, Australia
61
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
64 10am
61
84
64 1pm
64
64
64 4pm
64
64
64 7pm
84
84
84 10pm
84
64
— 1am
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— 4am
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Station readings
61
CAMS model adj +30
34
34
54
34
34
34
34
34
34
34
54
54
54
54
34

Air Quality Trend (24h)

PM2.516.9 µg/m³ ×1.1 WHO
Moderate
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Nearby Monitoring Stations

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
53
St Marys Sydney North-west
0.0 km PM2.5: 13.1 µg/m³
23
Sydney Penrith
9.6 km PM2.5: 5.5 µg/m³
23
Sydney Penrith
9.6 km PM2.5: 5.5 µg/m³
10
Sydney Penrith
9.6 km PM2.5: 2.4 µg/m³

Nearby Cities

60 St Clair 55 Mount Druitt 49 Glenmore Park 40 Cranebrook 44 Quakers Hill 55 Blacktown 56 Seven Hills 47 Glenwood 57 Greystanes

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-14T13:36 UTC.