What is the air quality in Saint-Hyacinthe today?

The current Air Quality Index (AQI) in Saint-Hyacinthe is 22 (Good). PM2.5 concentration is 5.3 µg/m³.

What is the temperature in Saint-Hyacinthe right now?

The current temperature in Saint-Hyacinthe is 1.5°C (feels like -5.2°C). Humidity is 51.1% and wind speed is 36.8 km/h.

Is it safe to go outside in Saint-Hyacinthe?

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

Air Quality in Saint-Hyacinthe, Canada

Partly Cloudy

1.5°C · 51.1% humidity

1.5°

Feels -5.2°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

46h · 14 stn

View full history →

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

51.1%

Humidity

36.8 km/h

Wind SSW

1029.8 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5

5.3 µg/m³

PM10▲

27.4 µg/m³

050100150200300500

What is the weather forecast for Saint-Hyacinthe?

Temperature & Precipitation

PM2.5 Trend

46h · 14 stations

PM2.55.3 µg/m³ ✓ WHO

Good

PM1027.4 µg/m³

Good

UV INDEX0.0

Low

Station readings (1 station within 25 km)

5.3

Median

5.3

Average

5.3

Low

5.3

High

PM2.5 µg/m³ · Model: 13.5 · Bias: +8.2

What is the 7-day forecast for Saint-Hyacinthe?

10-20

7.1° 3.8°

2.19 mm

10-21

13.4° 1.5°

10-22

12.0° 2.6°

13.37 mm

10-23

15.1° 6.0°

0.94 mm

10-24

15.3° 2.6°

0.25 mm

10-25

18.6° 5.7°

10.81 mm

10-26

7.1° 4.2°

3.5 mm

Both models agree Avg diff: 4.9°C

Where are air quality stations near Saint-Hyacinthe?

Vallée-du-Richelieu, Quebec, Canada

19.3 km PM2.5: 5.0 µg/m³

Vallée-du-Richelieu, Quebec, Canada

19.3 km PM2.5: 5.0 µg/m³

Vallée-du-Richelieu, Quebec, Canada

19.3 km PM2.5: 6.0 µg/m³

Granby - Parc Poitevin, Quebec

29.4 km PM2.5: 5.1 µg/m³

What cities are near Saint-Hyacinthe?

22 Mont-Saint-Hilaire 23 Beloeil 23 Saint-Basile-le-Grand 25 Sainte-Julie 21 Granby 18 Chambly 24 Saint-Bruno-de-Montarville 27 Varennes 24 Boucherville 22 Saint-Hubert

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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 2026-10-20T22:44 UTC.