Air Quality in Ancaster, Canada
Drizzle
15.5°C · 91.8% humidity
15.5°
Feels 15.5°
19
Good
Air quality is satisfactory. Enjoy outdoor activities.
10 stations
Nearby Monitoring Stations
Ancaster's air quality — share it
AQI Forecast
Calibrated
15
5am
20
19
19
8am
19
19
19
11am
19
19
19
2pm
19
19
19
5pm
19
19
19
8pm
28
28
28
11pm
28
28
21
2am
21
21
Station readings
15
20
19
CAMS model
adj -6
24
24
24
24
25
25
25
25
25
25
25
25
25
25
25
25
34
34
34
34
34
27
27
27
Air Quality Index Trend
47h · 5 stnAncaster's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
91.8%
Humidity
51.5 km/h
Wind N
1012.8 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
4.56 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Ancaster?
Temperature & Precipitation
PM2.5 Trend
47h · 5 stationsPM2.54.56 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX1.4
Low
Station readings (10 stations within 25 km)
4.56
Median
4.32
Average
3.6
Low
5.0
High
PM2.5 µg/m³ · Model: 5.9 · Bias: +1.3
Both models agree
Avg diff: 3.8°C
Where are air quality stations near Ancaster?
21
Hamilton West, Ontario, Canada
21
Hamilton West, Ontario, Canada
22
Hamilton Mountain, Ontario, Canada
18
Hamilton Mountain, Ontario, Canada
15
Hamilton Mountain, Ontario, Canada
21
Hamilton
21
Hamilton
18
Hamilton Downtown, Ontario, Canada
19
Burlington, Ontario, Canada
25
Burlington, Ontario, Canada
What cities are near Ancaster?
Get AQI alerts for Ancaster
Notify me when air quality reaches:
Free · No account · Unsubscribe any time
Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T12:10 UTC.