Air Quality in Waterdown, Canada

Drizzle
14.5°C · 92.8% humidity
14.5°
Feels 14.5°
18
Good
Air quality is satisfactory. Enjoy outdoor activities.
15 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
16 5am
18
18
18 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
16
18
18
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
AD 728×90

Air Quality Index Trend

47h · 7 stn

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

92.8%
Humidity
50.8 km/h
Wind N
1013.1 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
18
4.23 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Waterdown?

Temperature & Precipitation

PM2.5 Trend

47h · 7 stations
PM2.54.23 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX1.4
Low
AD 300×250
Station readings (15 stations within 25 km)
4.23
Median
4.2
Average
2.9
Low
5.0
High
PM2.5 µg/m³ · Model: 5.9 · Bias: +1.7

What is the 7-day forecast for Waterdown?

09-05
23.0° 11.6°
0.56 mm
09-06
23.7° 14.6°
0.62 mm
09-07
21.2° 13.4°
1.0 mm
09-08
22.9° 13.3°
5.94 mm
09-09
25.6° 11.6°
1.13 mm
09-10
22.7° 12.4°
0.88 mm
09-11
26.5° 10.3°
0.44 mm
Both models agree Avg diff: 3.9°C

Where are air quality stations near Waterdown?

16
Burlington, Ontario, Canada
6.8 km PM2.5: 3.8 µg/m³
25
Burlington, Ontario, Canada
6.8 km PM2.5: 6.0 µg/m³
19
Burlington, Ontario, Canada
6.8 km PM2.5: 4.6 µg/m³
17
Burlington, Ontario, Canada
6.8 km PM2.5: 4.1 µg/m³
15
Burlington, Ontario, Canada
6.8 km PM2.5: 3.6 µg/m³
18
Burlington, Ontario, Canada
6.8 km PM2.5: 4.3 µg/m³
18
Hamilton Downtown, Ontario, Canada
8.6 km PM2.5: 4.3 µg/m³
21
Hamilton West, Ontario, Canada
8.7 km PM2.5: 5.0 µg/m³
21
Hamilton West, Ontario, Canada
8.7 km PM2.5: 5.0 µg/m³
21
Hamilton
9.4 km PM2.5: 5.0 µg/m³

What cities are near Waterdown?

17 Burlington 20 Hamilton 19 Ancaster 18 Stoney Creek 14 Milton 19 Oakville 17 Grimsby 12 Mississauga 11 Fiddlesticks 15 Christopher-Champlain
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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 2026-09-05T12:10 UTC.