St Marys Sydney North-west

Monitoring Station · St Clair, Australia
41
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
62 4am
56
41
57 7am
57
37
30 10am
30
37
37 1pm
37
37
37 4pm
37
37
— 7pm
—
—
— 10pm
—
—
— 1am
—
—
Station readings
62
56
41
CAMS model adj +3
54
34
34
54
54
34
27
27
34
34
34
34
34
34
34

Air Quality Trend (24h)

PM2.59.8 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

69
St Marys Sydney North-west
0.0 km PM2.5: 20.7 µg/m³
25
St Marys Sydney North-west
0.0 km PM2.5: 6.0 µg/m³
50
St Marys Sydney North-west
0.0 km PM2.5: 12.0 µg/m³
48
St Marys Sydney North-west
0.0 km PM2.5: 11.5 µg/m³
27
St Marys Sydney North-west
0.0 km PM2.5: 6.5 µg/m³
32
Sydney Penrith
9.6 km PM2.5: 7.7 µg/m³
39
Sydney Penrith
9.6 km PM2.5: 9.4 µg/m³
50
Sydney Penrith
9.6 km PM2.5: 12.0 µg/m³

Nearby Cities

47 St Clair 40 Mount Druitt 38 Glenmore Park 33 Cranebrook 37 Quakers Hill 37 Blacktown 36 Seven Hills 38 Glenwood 38 Greystanes

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-16T07:48 UTC.