St Marys Sydney North-west

Monitoring Station · St Clair, Australia
20
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
20 12am
12
12
12 3am
12
12
12 6am
12
25
37 9am
37
37
25 12pm
25
25
— 3pm
—
—
— 6pm
—
—
— 9pm
—
—

Air Quality Trend (24h)

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Nearby Monitoring Stations

22
St Marys Sydney North-west
0.0 km
22
St Marys Sydney North-west
0.0 km
20
St Marys Sydney North-west
0.0 km
22
St Marys Sydney North-west
0.0 km
19
St Marys Sydney North-west
0.0 km
23
St Marys Sydney North-west
0.0 km
23
St Marys Sydney North-west
0.0 km
37
Sydney Penrith
9.6 km

Nearby Cities

6 St Clair 7 Mount Druitt 8 Glenmore Park 9 Cranebrook 9 Quakers Hill 8 Blacktown 5 Seven Hills 11 Glenwood 16 Greystanes

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-12T03:42 UTC.