St Marys Sydney North-west

Monitoring Station · St Clair, Australia
115
Unhealthy for sensitive groups
Sensitive groups should reduce prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
115 11pm
50
50
50 2am
37
37
37 5am
37
37
37 8am
37
37
37 11am
37
—
— 2pm
—
—
— 5pm
—
—
— 8pm
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Air Quality Trend (24h)

Nearby Monitoring Stations

30
St Marys Sydney North-west
0.0 km
51
St Marys Sydney North-west
0.0 km
103
St Marys Sydney North-west
0.0 km
23
Sydney Penrith
9.6 km
37
Sydney Penrith
9.6 km
11
Sydney Penrith
9.6 km
19
Sydney Penrith
9.6 km
17
Sydney Penrith
9.6 km

Nearby Cities

45 St Clair 45 Mount Druitt 41 Glenmore Park 49 Cranebrook 48 Quakers Hill 60 Blacktown 58 Seven Hills 62 Glenwood 59 Greystanes

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-10T02:18 UTC.