Air Quality in St Clair, Australia

Windy
15.8°C · 45.2% humidity
15.8°
Feels 15.8°
42
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast

Nearby Monitoring Stations

AQI Forecast
54 9am
34
27
42 12pm
38
35
33 3pm
31
37
56 6pm
55
55
55 9pm
55
54
54 12am
54
54
54 3am
54
54
54 6am
54
54
AD 728×90

Air Quality Index Trend

48h · 1 stn

St Clair's air quality is generally good but can be impacted by bushfire smoke, dust storms, and vehicle emissions. Seasonal fire events can cause significant temporary air quality deterioration.

45.2%
Humidity
41.9 km/h
Wind WSW
1016.6 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
42
10.0 µg/m³
PM10
25
27.45 µg/m³
050100150200300500

What is the weather forecast for St Clair?

Temperature & Precipitation

PM2.5 Trend

48h · 1 station
PM2.510.0 µg/m³ ✓ WHO
Good
PM1027.45 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250

What is the 7-day forecast for St Clair?

06-09
15.9° 9.3°
0.81 mm
06-10
17.0° 11.9°
0.38 mm
06-11
18.4° 5.5°
0.56 mm
06-12
15.9° 9.7°
06-13
16.8° 9.5°
06-14
18.3° 14.7°
37.31 mm
06-15
19.2° 10.2°
Both models agree Avg diff: 2.1°C

Where are air quality stations near St Clair?

46
St Marys Sydney North-west
1.7 km PM2.5: 11.0 µg/m³
59
St Marys Sydney North-west
1.7 km PM2.5: 15.9 µg/m³
21
St Marys Sydney North-west
1.7 km PM2.5: 5.0 µg/m³
59
St Marys Sydney North-west
1.7 km PM2.5: 15.9 µg/m³
21
St Marys Sydney North-west
1.7 km PM2.5: 5.0 µg/m³
61
St Marys Sydney North-west
1.7 km PM2.5: 16.9 µg/m³
57
St Marys Sydney North-west
1.7 km PM2.5: 15.0 µg/m³
2
St Marys Sydney North-west
1.7 km PM2.5: 0.5 µg/m³
68
St Marys Sydney North-west
1.7 km PM2.5: 20.2 µg/m³
55
St Marys Sydney North-west
1.7 km PM2.5: 14.0 µg/m³

What cities are near St Clair?

42 Mount Druitt 26 Glenmore Park 42 Quakers Hill 42 Cranebrook 52 Blacktown 52 Seven Hills 73 Greystanes 52 Glenwood 73 Fairfield 71 Cabramatta
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-09T02:02 UTC.