Air Quality in Ancaster, Canada

Windy
9.5°C · 66.6% humidity
9.5°
Feels 4.6°
34
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations

Nearby Monitoring Stations

AQI Forecast
34 10pm
54
54
34 1am
40
24
27 4am
29
23
24 7am
25
24
24 10am
24
24
27 1pm
27
34
34 4pm
34
54
54 7pm
54
34
AD 728×90

Air Quality Index Trend

47h · 13 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.

66.6%
Humidity
53.8 km/h
Wind NNE
1022.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
34
8.08 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Ancaster?

Temperature & Precipitation

PM2.5 Trend

47h · 13 stations
PM2.58.08 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (4 stations within 25 km)
8.08
Median
8.05
Average
7.4
Low
8.4
High
PM2.5 µg/m³ · Model: 9.75 · Bias: +1.7

What is the 7-day forecast for Ancaster?

05-30
19.5° 9.5°
0.13 mm
05-31
27.0° 8.0°
06-01
29.2° 13.6°
06-02
20.4° 9.7°
06-03
25.2° 18.7°
06-04
23.5° 11.9°
0.31 mm
06-05
23.4° 8.4°
0.13 mm
Both models agree Avg diff: 4.8°C

Where are air quality stations near Ancaster?

21
Hamilton West, Ontario, Canada
7.8 km PM2.5: 5.0 µg/m³
34
Hamilton West, Ontario, Canada
7.8 km PM2.5: 8.2 µg/m³
31
Hamilton Mountain, Ontario, Canada
10.2 km PM2.5: 7.4 µg/m³
34
Hamilton Mountain, Ontario, Canada
10.2 km PM2.5: 8.2 µg/m³
34
Hamilton Downtown, Ontario, Canada
11.1 km PM2.5: 8.2 µg/m³
53
Hamilton Downtown, Ontario, Canada
11.1 km PM2.5: 13.1 µg/m³
13
Hamilton Downtown, Ontario, Canada
11.1 km PM2.5: 3.1 µg/m³
34
Burlington, Ontario, Canada
18.4 km PM2.5: 8.2 µg/m³
16
Burlington, Ontario, Canada
18.4 km PM2.5: 3.8 µg/m³
35
Brantford, Ontario, Canada
26.3 km PM2.5: 8.4 µg/m³

What cities are near Ancaster?

32 Hamilton 34 Waterdown 33 Stoney Creek 35 Burlington 33 Brantford 35 Christopher-Champlain 35 Cambridge 33 Brant 37 Fiddlesticks 33 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 2026-05-30T05:05 UTC.