St Marys Sydney North-west Air Quality

Monitoring Station · St Clair, Australia
22
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
24 5am
25
25
25 8am
27
27
27 11am
27
25
25 2pm
25
25
25 5pm
25
25
— 8pm
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— 11pm
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— 2am
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Air Quality Forecast (24h)

PM2.55.3 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

15
St Marys Sydney North-west
0.0 km PM2.5: 3.6 µg/m³
57
St Marys Sydney North-west
0.0 km PM2.5: 15.0 µg/m³
24
St Marys Sydney North-west
0.0 km PM2.5: 5.8 µg/m³
23
St Marys Sydney North-west
0.0 km PM2.5: 5.5 µg/m³
34
Sydney Penrith
9.6 km PM2.5: 8.2 µg/m³
16
Sydney Penrith
9.6 km PM2.5: 3.8 µg/m³
20
Sydney Penrith
9.6 km PM2.5: 4.8 µg/m³
22
Sydney Penrith
9.6 km PM2.5: 5.3 µg/m³

Nearby Cities

25 St Clair 25 Mount Druitt 25 Glenmore Park 25 Cranebrook 25 Quakers Hill 25 Blacktown 25 Seven Hills 25 Glenwood 2 Greystanes

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-11T08:27 UTC.