St Marys Sydney North-west Air Quality

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

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
41 9am
58
58
58 12pm
58
58
58 3pm
58
58
58 6pm
58
58
58 9pm
58
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— 12am
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— 3am
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— 6am
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CAMS model adj +4
54
54
54
54
54
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54

Air Quality Forecast (24h)

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

4
St Marys Sydney North-west
0.0 km PM2.5: 1.0 µg/m³
14
Sydney Penrith
9.6 km PM2.5: 3.4 µg/m³
58
Sydney Penrith
9.6 km PM2.5: 15.4 µg/m³
57
Sydney Penrith
9.6 km PM2.5: 15.0 µg/m³
63
Sydney Penrith
9.6 km PM2.5: 17.8 µg/m³
26
Prospect Sydney North-west
13.6 km PM2.5: 6.2 µg/m³
26
Prospect Sydney North-west
13.6 km PM2.5: 6.2 µg/m³
24
Prospect Sydney North-west
13.6 km PM2.5: 5.8 µg/m³

Nearby Cities

41 St Clair 41 Mount Druitt 41 Glenmore Park 41 Cranebrook 41 Quakers Hill 41 Blacktown 41 Seven Hills 41 Glenwood 20 Greystanes

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-09-24T12:32 UTC.