Air Quality in Baulkham Hills, Australia

Windy
16.4°C · 41.8% humidity
16.4°
Feels 16.4°
68
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
10 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
17 5am
17
17
68 8am
54
43
36 11am
30
27
24 2pm
22
22
21 5pm
20
19
19 8pm
18
17
18 11pm
18
18
18 2am
17
17
Station readings
18
20
19
19
CAMS model adj -7
24
24
24
24
24
24
24
24
24
24
24
25
25
25
25
25
24
24
25
25
25
25
24
24
AD 728×90

Air Quality Index Trend

43h · 1 stn

Baulkham Hills'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 Baulkham Hills is 4.1× the WHO annual guideline of 5 µg/m³.

41.8%
Humidity
68.3 km/h
Wind W
1029.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
68
20.38 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Baulkham Hills?

Temperature & Precipitation

PM2.5 Trend

43h · 1 station
PM2.520.38 µg/m³ ×1.4 WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (10 stations within 25 km)
20.38
Median
21.78
Average
3.63
Low
55.0
High
PM2.5 µg/m³ · Model: 5.8 · Bias: -14.6

What is the 7-day forecast for Baulkham Hills?

05-28
16.0° 10.8°
05-29
16.4° 9.6°
05-30
16.9° 11.8°
0.13 mm
05-31
16.6° 8.4°
06-01
19.5° 9.7°
06-02
16.2° 8.8°
06-03
14.4° 7.2°
Both models agree Avg diff: 2.9°C

Where are air quality stations near Baulkham Hills?

42
North Parramatta Sydney North-west
4.5 km PM2.5: 10.1 µg/m³
21
North Parramatta Sydney North-west
4.5 km PM2.5: 5.0 µg/m³
85
North Parramatta Sydney North-west
4.5 km PM2.5: 28.3 µg/m³
42
North Parramatta Sydney North-west
4.5 km PM2.5: 10.1 µg/m³
68
North Parramatta Sydney North-west
4.5 km PM2.5: 20.2 µg/m³
19
North Parramatta Sydney North-west
4.5 km PM2.5: 4.6 µg/m³
46
North Parramatta Sydney North-west
4.5 km PM2.5: 11.0 µg/m³
57
North Parramatta Sydney North-west
4.5 km PM2.5: 15.0 µg/m³
35
Prospect Sydney North-west
8.3 km PM2.5: 8.4 µg/m³
87
Prospect Sydney North-west
8.3 km PM2.5: 29.2 µg/m³

What cities are near Baulkham Hills?

70 Castle Hill 62 Westmead 64 West Pennant Hills 64 Carlingford 90 Seven Hills 75 Glenwood 63 Cherrybrook 63 Parramatta 68 Kellyville 89 Blacktown
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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 2026-05-28T22:55 UTC.