St Marys Sydney North-west Air Quality

Monitoring Station · St Clair, Australia
42
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
23 6am
42
34
34 9am
34
34
34 12pm
34
34
34 3pm
34
34
34 6pm
34
34
— 9pm
—
—
— 12am
—
—
— 3am
—
—
Station readings
23
42
CAMS model adj -20
34
54
54
54
54
54
54
54
54
54
54
54
54
54
54

Air Quality Forecast (24h)

PM2.510.1 µg/m³ ✓ WHO
Good
View city history →

Nearby Monitoring Stations

21
St Marys Sydney North-west
0.0 km PM2.5: 5.0 µg/m³
32
St Marys Sydney North-west
0.0 km PM2.5: 7.7 µg/m³
32
St Marys Sydney North-west
0.0 km PM2.5: 7.7 µg/m³
25
St Marys Sydney North-west
0.0 km PM2.5: 6.0 µg/m³
29
St Marys Sydney North-west
0.0 km PM2.5: 7.0 µg/m³
16
St Marys Sydney North-west
0.0 km PM2.5: 3.8 µg/m³
60
St Marys Sydney North-west
0.0 km PM2.5: 16.4 µg/m³
31
St Marys Sydney North-west
0.0 km PM2.5: 7.4 µg/m³

Nearby Cities

83 St Clair 83 Mount Druitt 74 Glenmore Park 83 Cranebrook 83 Quakers Hill 83 Blacktown 83 Seven Hills 83 Glenwood 46 Greystanes

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-08T09:10 UTC.