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
59 12am
25
30
10 3am
10
10
10 6am
30
30
30 9am
30
30
30 12pm
30
30
— 3pm
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—
— 6pm
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— 9pm
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Station readings
25
CAMS model adj -24
83
54
54
34
34
34
34
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

31
St Marys Sydney North-west
0.0 km PM2.5: 7.4 µg/m³
21
St Marys Sydney North-west
0.0 km PM2.5: 5.0 µg/m³
60
St Marys Sydney North-west
0.0 km PM2.5: 16.4 µg/m³
22
St Marys Sydney North-west
0.0 km PM2.5: 5.3 µg/m³
47
St Marys Sydney North-west
0.0 km PM2.5: 11.3 µg/m³
25
St Marys Sydney North-west
0.0 km PM2.5: 6.0 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 2026-08-08T03:46 UTC.