St Marys Sydney North-west Air Quality

Monitoring Station · St Clair, Australia
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
25 1am
30
10
10 4am
10
10
30 7am
30
30
30 10am
30
30
30 1pm
30
30
— 4pm
—
—
— 7pm
—
—
— 10pm
—
—
CAMS model adj -24
54
54
34
34
34
34
54
54
54
54
54
54
54
54
54

Air Quality Forecast (24h)

PM2.56.0 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

22
St Marys Sydney North-west
0.0 km PM2.5: 5.3 µg/m³
25
St Marys Sydney North-west
0.0 km PM2.5: 6.0 µg/m³
60
St Marys Sydney North-west
0.0 km PM2.5: 16.4 µg/m³
32
St Marys Sydney North-west
0.0 km PM2.5: 7.7 µg/m³
31
St Marys Sydney North-west
0.0 km PM2.5: 7.4 µg/m³
47
St Marys Sydney North-west
0.0 km PM2.5: 11.3 µg/m³
16
St Marys Sydney North-west
0.0 km PM2.5: 3.8 µg/m³
69
St Marys Sydney North-west
0.0 km PM2.5: 20.7 µg/m³

Nearby Cities

83 St Clair 83 Mount Druitt 74 Glenmore Park 83 Cranebrook 83 Quakers Hill 83 Blacktown 83 Seven Hills 83 Glenwood 46 Greystanes

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-08T04:53 UTC.