St Marys Sydney North-west

Monitoring Station · St Clair, Australia
17
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
17 1pm
20
8
8 4pm
8
8
8 7pm
8
8
8 10pm
0
0
0 1am
0
—
— 4am
—
—
— 7am
—
—
— 10am
—
—
Station readings
17
CAMS model adj -46
66
66
54
54
54
54
54
54
54
54
34
27
27
27

Air Quality Trend (24h)

PM2.54.1 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

18
St Marys Sydney North-west
0.0 km PM2.5: 4.3 µg/m³
14
St Marys Sydney North-west
0.0 km PM2.5: 3.4 µg/m³
14
St Marys Sydney North-west
0.0 km PM2.5: 3.4 µg/m³
20
St Marys Sydney North-west
0.0 km PM2.5: 4.8 µg/m³
23
St Marys Sydney North-west
0.0 km PM2.5: 5.5 µg/m³
57
St Marys Sydney North-west
0.0 km PM2.5: 15.0 µg/m³
20
St Marys Sydney North-west
0.0 km PM2.5: 4.8 µg/m³
27
St Marys Sydney North-west
0.0 km PM2.5: 6.5 µg/m³

Nearby Cities

43 St Clair 50 Mount Druitt 52 Glenmore Park 56 Cranebrook 52 Quakers Hill 53 Blacktown 53 Seven Hills 51 Glenwood 52 Greystanes

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-18T16:11 UTC.