St Marys Sydney North-west Air Quality

Monitoring Station · St Clair, Australia
39
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
39 11am
50
30
30 2pm
21
20
20 5pm
20
20
20 8pm
20
20
20 11pm
20
20
2am
5am
8am
CAMS model adj -4
54
54
34
34
25
24
24
24
24
24
24
24
24
24
24
PM2.59.4 µg/m³ ✓ WHO
Good
View city history →

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-09T14:24 UTC.