St Marys Sydney North-west Air Quality

Monitoring Station · St Clair, Australia
57
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
34 6am
34
34
36 9am
36
36
36 12pm
34
34
34 3pm
34
34
34 6pm
34
34
— 9pm
—
—
— 12am
—
—
— 3am
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CAMS model adj +9
25
25
25
27
27
27
27
25
25
25
25
25
25
25
25

Air Quality Forecast (24h)

PM2.515.0 µg/m³ ✓ WHO
Moderate
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Nearby Monitoring Stations

23
St Marys Sydney North-west
0.0 km PM2.5: 5.5 µg/m³
15
St Marys Sydney North-west
0.0 km PM2.5: 3.6 µg/m³
23
St Marys Sydney North-west
0.0 km PM2.5: 5.5 µg/m³
24
St Marys Sydney North-west
0.0 km PM2.5: 5.8 µg/m³
22
St Marys Sydney North-west
0.0 km PM2.5: 5.3 µg/m³
16
Sydney Penrith
9.6 km PM2.5: 3.8 µg/m³
20
Sydney Penrith
9.6 km PM2.5: 4.8 µg/m³
22
Sydney Penrith
9.6 km PM2.5: 5.3 µg/m³

Nearby Cities

25 St Clair 25 Mount Druitt 25 Glenmore Park 25 Cranebrook 25 Quakers Hill 25 Blacktown 25 Seven Hills 25 Glenwood 2 Greystanes

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-11T09:37 UTC.