St Marys Sydney North-west

Monitoring Station · St Clair, Australia
69
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
54 7am
54
34
27 10am
27
34
34 1pm
34
34
34 4pm
34
34
27 7pm
27
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Air Quality Trend (24h)

PM2.520.7 µg/m³ ×1.4 WHO
Moderate
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Nearby Monitoring Stations

25
St Marys Sydney North-west
0.0 km PM2.5: 6.0 µg/m³
27
St Marys Sydney North-west
0.0 km PM2.5: 6.5 µg/m³
48
St Marys Sydney North-west
0.0 km PM2.5: 11.5 µg/m³
45
St Marys Sydney North-west
0.0 km PM2.5: 10.8 µg/m³
56
Sydney Penrith
9.6 km PM2.5: 14.5 µg/m³
23
Sydney Penrith
9.6 km PM2.5: 5.5 µg/m³
39
Sydney Penrith
9.6 km PM2.5: 9.4 µg/m³
27
Sydney Penrith
9.6 km PM2.5: 6.5 µg/m³

Nearby Cities

26 St Clair 26 Mount Druitt 26 Glenmore Park 8 Cranebrook 26 Quakers Hill 26 Blacktown 26 Seven Hills 26 Glenwood 57 Greystanes

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-16T10:05 UTC.