St Marys Sydney North-west

Monitoring Station · St Clair, Australia
19
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
19 10pm
25
25
12 1am
12
12
12 4am
12
12
12 7am
25
37
37 10am
37
25
— 1pm
—
—
— 4pm
—
—
— 7pm
—
—

Air Quality Trend (24h)

View city history →

Nearby Monitoring Stations

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

Nearby Cities

37 St Clair 37 Mount Druitt 37 Glenmore Park 37 Cranebrook 37 Quakers Hill 37 Blacktown 37 Seven Hills 37 Glenwood 56 Greystanes

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-12T01:59 UTC.