Air Quality in Ancaster, Canada

Windy
23.1°C · 32.7% humidity
23.1°
Feels 23.1°
38
Good
Air quality is satisfactory. Enjoy outdoor activities.
7 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
39 4pm
38
44
38 7pm
39
39
39 10pm
39
39
39 1am
19
19
19 4am
19
12
10 7am
10
10
10 10am
10
10
10 1pm
10
10
Station readings
39
38
44
47
CAMS model adj -15
54
54
54
54
54
54
54
54
54
54
34
34
34
34
27
25
25
25
25
25
25
25
25
25
AD 728×90

Air Quality Index Trend

28h · 5 stn

Ancaster's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

32.7%
Humidity
46.8 km/h
Wind NNW
1014.2 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
38
9.02 µg/m³
PM10
25
27.4 µg/m³
050100150200300500

What is the weather forecast for Ancaster?

Temperature & Precipitation

PM2.5 Trend

28h · 5 stations
PM2.59.02 µg/m³ ✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX2.9
Moderate
AD 300×250
Station readings (7 stations within 25 km)
9.02
Median
9.1
Average
8.4
Low
9.8
High
PM2.5 µg/m³ · Model: 13.5 · Bias: +4.5

What is the 7-day forecast for Ancaster?

08-03
23.1° 20.3°
4.44 mm
08-04
33.2° 15.6°
1.13 mm
08-05
36.4° 14.1°
08-06
28.3° 18.9°
5.0 mm
08-07
31.6° 13.6°
0.44 mm
08-08
35.9° 18.4°
08-09
38.2° 19.2°
0.19 mm
Both models agree Avg diff: 3.6°C

Where are air quality stations near Ancaster?

28
Hamilton West, Ontario, Canada
7.8 km PM2.5: 6.7 µg/m³
34
Hamilton West, Ontario, Canada
7.8 km PM2.5: 8.2 µg/m³
34
Hamilton West, Ontario, Canada
7.8 km PM2.5: 8.2 µg/m³
50
Hamilton West, Ontario, Canada
7.8 km PM2.5: 12.0 µg/m³
34
Hamilton West, Ontario, Canada
7.8 km PM2.5: 8.2 µg/m³
40
Hamilton West, Ontario, Canada
7.8 km PM2.5: 9.6 µg/m³
46
Hamilton West, Ontario, Canada
7.8 km PM2.5: 11.0 µg/m³
42
Hamilton Mountain, Ontario, Canada
10.2 km PM2.5: 10.1 µg/m³
34
Hamilton Mountain, Ontario, Canada
10.2 km PM2.5: 8.2 µg/m³
34
Hamilton Mountain, Ontario, Canada
10.2 km PM2.5: 8.2 µg/m³

What cities are near Ancaster?

36 Hamilton 38 Waterdown 38 Stoney Creek 38 Burlington 46 Brantford 38 Christopher-Champlain 37 Cambridge 46 Brant 35 Fiddlesticks 38 Grimsby
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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 2026-08-07T23:45 UTC.