St Marys Sydney North-west

Monitoring Station · St Clair, Australia
89
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
89 4pm
75
75
75 7pm
75
75
75 10pm
75
50
50 1am
50
37
37 4am
37
—
— 7am
—
—
— 10am
—
—
— 1pm
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Air Quality Trend (24h)

Nearby Monitoring Stations

15
St Marys Sydney North-west
0.0 km
30
St Marys Sydney North-west
0.0 km
25
St Marys Sydney North-west
0.0 km
103
St Marys Sydney North-west
0.0 km
51
St Marys Sydney North-west
0.0 km
37
Sydney Penrith
9.6 km
69
Sydney Penrith
9.6 km
23
Sydney Penrith
9.6 km

Nearby Cities

45 St Clair 43 Mount Druitt 40 Glenmore Park 45 Cranebrook 41 Quakers Hill 57 Blacktown 56 Seven Hills 58 Glenwood 58 Greystanes

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-09T19:08 UTC.