What is the air quality in Keswick today?

The current Air Quality Index (AQI) in Keswick is 22 (Good). PM2.5 concentration is 5.22 µg/m³.

What is the temperature in Keswick right now?

The current temperature in Keswick is 4.4°C (feels like -1.4°C). Humidity is 57.8% and wind speed is 38.0 km/h.

Is it safe to go outside in Keswick?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Keswick, Canada

Partly Cloudy

4.4°C · 57.8% humidity

4.4°

Feels -1.4°

Good

Air quality is satisfactory. Enjoy outdoor activities.

5 stations

Nearby Monitoring Stations

AQI Forecast

20 5pm

22 8pm

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Station readings

Air Quality Index Trend

48h · 3 stn

View full history →

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.

57.8%

Humidity

38.0 km/h

Wind SE

1028.7 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

5.22 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Keswick?

Temperature & Precipitation

PM2.5 Trend

48h · 3 stations

PM2.55.22 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (5 stations within 25 km)

5.22

Median

5.19

Average

2.33

Low

7.0

High

PM2.5 µg/m³ · Model: 8.2 · Bias: +3.0

What is the 7-day forecast for Keswick?

10-21

16.7° 4.4°

10-22

12.5° 5.5°

10-23

12.2° 2.1°

0.88 mm

10-24

14.3° 2.5°

1.06 mm

10-25

12.4° 3.5°

2.25 mm

10-26

8.7° 4.1°

14.0 mm

10-27

7.8° 2.9°

2.37 mm

Both models agree Avg diff: 3.6°C

Where are air quality stations near Keswick?

Newmarket, Ontario, Canada

22.9 km PM2.5: 5.3 µg/m³

Newmarket, Ontario, Canada

22.9 km PM2.5: 7.2 µg/m³

Newmarket, Ontario, Canada

22.9 km PM2.5: 5.8 µg/m³

Newmarket, Ontario, Canada

22.9 km PM2.5: 5.3 µg/m³

Barrie, Ontario, Canada

23.8 km PM2.5: 6.0 µg/m³

Barrie, Ontario, Canada

23.8 km PM2.5: 4.6 µg/m³

Barrie, Ontario, Canada

23.8 km PM2.5: 3.6 µg/m³

Barrie, Ontario, Canada

23.8 km PM2.5: 5.0 µg/m³

Barrie, Ontario, Canada

23.8 km PM2.5: 6.0 µg/m³

Barrie, Ontario, Canada

23.8 km PM2.5: 6.0 µg/m³

What cities are near Keswick?

19 Innisfil 29 East Gwillimbury 29 Newmarket 20 Barrie 28 Aurora 29 Whitchurch-Stouffville 20 Uxbridge 15 Alliston 22 Stouffville 17 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 2026-10-21T00:30 UTC.