Air Quality in Ancaster, Canada

Windy
7.8°C · 91.3% humidity
7.8°
Feels 1.6°
37
Good
Air quality is satisfactory. Enjoy outdoor activities.
8 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
15 4pm
15
15
37 7pm
31
19
23 10pm
41
39
38 1am
37
37
36 4am
36
36
35 7am
35
35
35 10am
35
35
35 1pm
35
35
Station readings 25h ago
AQI 35
PM2.5 8.3 µg/m³ · 25h ago
AD 728×90

Air Quality Index Trend

49h · 10 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.

91.3%
Humidity
69.4 km/h
Wind NW
1002.2 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
37
8.94 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Ancaster?

Temperature & Precipitation

PM2.5 Trend

49h · 10 stations
PM2.58.94 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX1.4
Low
AD 300×250
Station readings (8 stations within 25 km)
8.94
Median
8.36
Average
6.0
Low
11.0
High
PM2.5 µg/m³ · Model: 10.85 · Bias: +1.9
Both models agree Avg diff: 7.2°C

Where are air quality stations near Ancaster?

112
Hamilton West, Ontario, Canada
7.8 km PM2.5: 40.0 µg/m³
197
Hamilton West, Ontario, Canada
7.8 km PM2.5: 144.6 µg/m³
100
Hamilton Mountain, Ontario, Canada
10.2 km PM2.5: 35.4 µg/m³
90
Hamilton Mountain, Ontario, Canada
10.2 km PM2.5: 30.6 µg/m³
95
Hamilton Downtown, Ontario, Canada
11.1 km PM2.5: 33.0 µg/m³
69
Hamilton Downtown, Ontario, Canada
11.1 km PM2.5: 20.7 µg/m³
55
Hamilton Downtown, Ontario, Canada
11.1 km PM2.5: 14.0 µg/m³
76
Burlington, Ontario, Canada
18.4 km PM2.5: 24.0 µg/m³
44
Burlington, Ontario, Canada
18.4 km PM2.5: 10.6 µg/m³
8
Brantford, Ontario, Canada
26.3 km PM2.5: 1.9 µg/m³

What cities are near Ancaster?

38 Hamilton 34 Waterdown 34 Stoney Creek 32 Burlington 38 Brantford 35 Christopher-Champlain 35 Cambridge 38 Brant 35 Fiddlesticks 32 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 2026-06-08T23:09 UTC.