What is the air quality in Keswick today?

The current Air Quality Index (AQI) in Keswick is 23 (Good). PM2.5 concentration is 5.44 µg/m³.

What is the temperature in Keswick right now?

The current temperature in Keswick is 15.1°C (feels like 15.1°C). Humidity is 88.9% and wind speed is 52.5 km/h.

Is it safe to go outside in Keswick?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 1.4 (Low).

Air Quality in Keswick, Canada

Drizzle

15.1°C · 88.9% humidity

15.1°

Feels 15.1°

Good

Air quality is satisfactory. Enjoy outdoor activities.

5 stations

Nearby Monitoring Stations

AQI Forecast Calibrated

24 5am

23 8am

24 11am

23 2pm

23 5pm

23 8pm

23 11pm

23 2am

Station readings

CAMS model adj -1

Air Quality Index Trend

47h · 2 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.

88.9%

Humidity

52.5 km/h

Wind N

1013.4 hPa

Pressure

1.4

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

5.44 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Keswick?

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations

PM2.55.44 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX1.4

Low

Station readings (5 stations within 25 km)

5.44

Median

5.49

Average

2.9

Low

7.2

High

PM2.5 µg/m³ · Model: 5.8 · Bias: +0.4

What is the 7-day forecast for Keswick?

09-05

21.6° 13.2°

0.19 mm

09-06

24.3° 14.1°

3.94 mm

09-07

22.1° 13.8°

0.31 mm

09-08

23.1° 14.4°

2.0 mm

09-09

25.4° 11.7°

0.13 mm

09-10

21.1° 12.6°

4.69 mm

09-11

22.8° 10.3°

0.19 mm

Both models agree Avg diff: 3.6°C

Where are air quality stations near Keswick?

Newmarket, Ontario, Canada

22.9 km PM2.5: 4.3 µg/m³

Newmarket, Ontario, Canada

22.9 km PM2.5: 5.0 µg/m³

Newmarket, Ontario, Canada

22.9 km PM2.5: 4.6 µg/m³

Newmarket, Ontario, Canada

22.9 km PM2.5: 6.0 µg/m³

Newmarket, Ontario, Canada

22.9 km PM2.5: 4.3 µg/m³

Barrie, Ontario, Canada

23.8 km PM2.5: 6.0 µg/m³

Barrie, Ontario, Canada

23.8 km PM2.5: 5.0 µg/m³

Barrie, Ontario, Canada

23.8 km PM2.5: 4.1 µg/m³

Barrie, Ontario, Canada

23.8 km PM2.5: 5.0 µg/m³

Barrie, Ontario, Canada

23.8 km PM2.5: 7.2 µg/m³

What cities are near Keswick?

26 Innisfil 17 East Gwillimbury 17 Newmarket 27 Barrie 17 Aurora 17 Whitchurch-Stouffville 8 Uxbridge 19 Alliston 18 Stouffville 26 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 2026-09-05T12:10 UTC.