Air Quality in Bacchus Marsh, Australia

Overcast
4.6°C · 98.6% humidity
4.6°
Feels 0.8°
65
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
20 4pm
20
20
65 7pm
52
43
37 10pm
32
28
26 1am
24
23
22 4am
22
21
21 7am
21
22
22 10am
22
22
22 1pm
22
20
Station readings
30
24
25
CAMS model adj -5
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
27
27
27
27
27
27
25

Air Quality Index Trend

46h · 1 stn

Bacchus Marsh'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 Bacchus Marsh is 1.2× the WHO 24-hour guideline of 15 µg/m³.

98.6%
Humidity
17.7 km/h
Wind SW
1026.1 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
65
18.63 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Bacchus Marsh?

Temperature & Precipitation

PM2.5 Trend

46h · 1 station
PM2.518.63 µg/m³ ×1.2 WHO
Moderate
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
Station readings (2 stations within 25 km)
18.63
Median
14.66
Average
6.32
Low
23.0
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -12.4

What is the 7-day forecast for Bacchus Marsh?

09-23
13.1° 4.6°
22.31 mm
09-24
17.2° 2.8°
0.31 mm
09-25
14.1° 5.0°
6.94 mm
09-26
13.5° 2.0°
1.12 mm
09-27
17.6° 4.3°
0.94 mm
09-28
16.9° 2.1°
6.37 mm
09-29
15.2° 7.7°
Both models agree Avg diff: 8.2°C

Where are air quality stations near Bacchus Marsh?

40
Melton
11.9 km PM2.5: 9.6 µg/m³
15
Melton
11.9 km PM2.5: 3.6 µg/m³
13
Melton
11.9 km PM2.5: 3.1 µg/m³
35
Melton
11.9 km PM2.5: 8.4 µg/m³
11
Melton
11.9 km PM2.5: 2.6 µg/m³
74
Melton
11.9 km PM2.5: 23.0 µg/m³
3
Melton
11.9 km PM2.5: 0.7 µg/m³
23
Melton
11.9 km PM2.5: 5.5 µg/m³
22
Myndworx Asylum & Fabrification Facility
20.0 km PM2.5: 5.3 µg/m³ PM10: 5.4 µg/m³
37
FAI6
31.5 km PM2.5: 8.9 µg/m³

What cities are near Bacchus Marsh?

51 Tarneit 52 Hillside 44 Caroline Springs 60 Sunbury 51 Taylors Hill 49 Wyndham Vale 51 Deer Park 52 Taylors Lakes 52 Truganina 41 Werribee
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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 2026-09-23T09:29 UTC.