Air Quality in Keswick, Canada

Windy
21.4°C · 40.3% humidity
21.4°
Feels 21.4°
54
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
5 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
53 4pm
54
40
54 7pm
54
80
79 10pm
79
78
90 1am
90
106
106 4am
106
106
106 7am
89
48
48 10am
48
48
48 1pm
48
48
Station readings
53
54
40
40
CAMS model adj +23
25
25
25
25
27
54
54
54
54
66
66
83
83
83
83
83
66
25
25
25
25
25
25
25
AD 728×90

Air Quality Index Trend

43h · 3 stn

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

40.3%
Humidity
89.4 km/h
Wind NW
1014.1 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
54
13.55 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Keswick?

Temperature & Precipitation

PM2.5 Trend

43h · 3 stations
PM2.513.55 µg/m³ ✓ WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX2.9
Moderate
AD 300×250
Station readings (5 stations within 25 km)
13.55
Median
13.5
Average
11.0
Low
16.9
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -7.3

What is the 7-day forecast for Keswick?

08-03
23.1° 17.0°
3.75 mm
08-04
24.2° 15.5°
1.25 mm
08-05
31.9° 14.4°
0.13 mm
08-06
28.3° 18.6°
4.12 mm
08-07
24.5° 15.4°
4.88 mm
08-08
34.3° 17.1°
0.31 mm
08-09
34.0° 18.5°
4.06 mm
Both models agree Avg diff: 3.7°C

Where are air quality stations near Keswick?

53
Newmarket, Ontario, Canada
22.9 km PM2.5: 13.1 µg/m³
57
Newmarket, Ontario, Canada
22.9 km PM2.5: 15.0 µg/m³
50
Newmarket, Ontario, Canada
22.9 km PM2.5: 12.0 µg/m³
53
Newmarket, Ontario, Canada
22.9 km PM2.5: 13.1 µg/m³
50
Newmarket, Ontario, Canada
22.9 km PM2.5: 12.0 µg/m³
36
Newmarket, Ontario, Canada
22.9 km PM2.5: 8.6 µg/m³
34
Barrie, Ontario, Canada
23.8 km PM2.5: 8.2 µg/m³
38
Barrie, Ontario, Canada
23.8 km PM2.5: 9.1 µg/m³
34
Barrie, Ontario, Canada
23.8 km PM2.5: 8.2 µg/m³
42
Barrie, Ontario, Canada
23.8 km PM2.5: 10.1 µg/m³

What cities are near Keswick?

52 Innisfil 57 East Gwillimbury 57 Newmarket 52 Barrie 57 Aurora 57 Whitchurch-Stouffville 55 Uxbridge 31 Alliston 52 Stouffville 22 Orillia
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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.