What is the air quality in Saint-Hyacinthe today?

The current Air Quality Index (AQI) in Saint-Hyacinthe is 24 (Good). PM2.5 concentration is 5.8 µg/m³.

What is the temperature in Saint-Hyacinthe right now?

The current temperature in Saint-Hyacinthe is 8.4°C (feels like 3.3°C). Humidity is 69.3% and wind speed is 50.2 km/h.

Is it safe to go outside in Saint-Hyacinthe?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.7 (Low).

Air Quality in Saint-Hyacinthe, Canada

Rain

8.4°C · 69.3% humidity

8.4°

Feels 3.3°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast

25 8pm

24 11pm

25 2am

25 5am

25 8am

24 11am

24 2pm

24 5pm

Air Quality Index Trend

48h · 2 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.

69.3%

Humidity

50.2 km/h

Wind NW

1018.5 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

5.8 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Saint-Hyacinthe?

Temperature & Precipitation

PM2.5 Trend

48h · 2 stations

PM2.55.8 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

Station readings (1 station within 25 km)

5.8

Median

5.8

Average

5.8

Low

5.8

High

PM2.5 µg/m³ · Model: 5.8 · Bias: +0.0

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

05-30

18.3° 8.4°

7.44 mm

05-31

22.1° 6.5°

2.0 mm

06-01

23.9° 15.8°

06-02

18.2° 10.9°

1.63 mm

06-03

25.4° 13.8°

06-04

22.3° 13.0°

0.63 mm

06-05

23.1° 12.4°

11.88 mm

Both models agree Avg diff: 4.2°C

Where are air quality stations near Saint-Hyacinthe?

Vallée-du-Richelieu, Quebec, Canada

19.3 km PM2.5: 5.8 µg/m³

Vallée-du-Richelieu, Quebec, Canada

19.3 km PM2.5: 34.4 µg/m³

Vallée-du-Richelieu, Quebec, Canada

19.3 km PM2.5: 3.6 µg/m³

Granby - Parc Poitevin, Quebec

29.4 km PM2.5: 3.4 µg/m³

What cities are near Saint-Hyacinthe?

24 Mont-Saint-Hilaire 24 Beloeil 26 Saint-Basile-le-Grand 28 Sainte-Julie 14 Granby 21 Chambly 28 Saint-Bruno-de-Montarville 29 Varennes 28 Boucherville 25 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 2026-05-30T03:24 UTC.