Air Quality in Greystanes, Australia

Windy
15.8°C · 45.2% humidity
15.8°
Feels 15.8°
67
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
4 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
75 9am
75
55
67 12pm
64
61
59 3pm
78
77
77 6pm
88
88
88 9pm
104
87
104 12am
104
104
87 3am
87
87
87 6am
87
87
Station readings
88
74
55
CAMS model adj +21
54
54
34
34
34
34
34
54
54
54
66
66
66
83
66
83
83
83
66
66
66
66
66
66
AD 728×90

Air Quality Index Trend

45h · 1 stn

Greystanes'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. Current PM2.5 concentration in Greystanes is 1.3× the WHO 24-hour guideline of 15 µg/m³.

45.2%
Humidity
41.9 km/h
Wind WSW
1016.6 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
67
19.85 µg/m³
PM10
25
27.45 µg/m³
050100150200300500

What is the weather forecast for Greystanes?

Temperature & Precipitation

PM2.5 Trend

45h · 1 station
PM2.519.85 µg/m³ ×1.3 WHO
Moderate
PM1027.45 µg/m³
Good
UV INDEX5.9
High
AD 300×250
Station readings (4 stations within 25 km)
19.85
Median
20.42
Average
13.18
Low
26.04
High
PM2.5 µg/m³ · Model: 13.7 · Bias: -6.2

What is the 7-day forecast for Greystanes?

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: 2.4°C

Where are air quality stations near Greystanes?

30
Prospect Sydney North-west
4.4 km PM2.5: 7.2 µg/m³
20
Prospect Sydney North-west
4.4 km PM2.5: 4.8 µg/m³
34
Prospect Sydney North-west
4.4 km PM2.5: 8.2 µg/m³
12
Prospect Sydney North-west
4.4 km PM2.5: 2.9 µg/m³
23
Prospect Sydney North-west
4.4 km PM2.5: 5.5 µg/m³
52
Prospect Sydney North-west
4.4 km PM2.5: 12.6 µg/m³
63
Prospect Sydney North-west
4.4 km PM2.5: 17.8 µg/m³
51
Prospect Sydney North-west
4.4 km PM2.5: 12.1 µg/m³
91
Prospect Sydney North-west
4.4 km PM2.5: 31.1 µg/m³
10
North Parramatta Sydney North-west
5.5 km PM2.5: 2.4 µg/m³

What cities are near Greystanes?

67 Merrylands 68 Westmead 52 Seven Hills 66 Fairfield 68 Parramatta 67 Granville 52 Blacktown 59 Cabramatta 74 Baulkham Hills 68 Auburn
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-09T02:33 UTC.