Air Quality in Saint-Hyacinthe, Canada

Cloudy
11.9°C · 79.7% humidity
11.9°
Feels 11.9°
29
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast
24 3pm
24
24
29 6pm
28
28
29 9pm
28
28
28 12am
27
25
25 3am
24
24
24 6am
24
24
25 9am
25
25
25 12pm
25
25
AD 728×90

Air Quality Index Trend

48h · 2 stn

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.

79.7%
Humidity
39.0 km/h
Wind SSW
998.1 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
29
7.0 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Saint-Hyacinthe?

Temperature & Precipitation

PM2.5 Trend

48h · 2 stations
PM2.57.0 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX5.9
High
AD 300×250
Station readings (1 station within 25 km)
7.0
Median
7.0
Average
7.0
Low
7.0
High
PM2.5 µg/m³ · Model: 5.9 · Bias: -1.1

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

06-08
17.3° 9.2°
0.06 mm
06-09
27.0° 11.0°
1.94 mm
06-10
17.6° 9.4°
1.25 mm
06-11
23.3° 7.9°
06-12
19.1° 15.3°
9.88 mm
06-13
27.5° 15.8°
30.0 mm
06-14
24.5° 9.4°
10.75 mm
Both models agree Avg diff: 6.9°C

Where are air quality stations near Saint-Hyacinthe?

113
Vallée-du-Richelieu, Quebec, Canada
19.3 km PM2.5: 40.4 µg/m³
12
Vallée-du-Richelieu, Quebec, Canada
19.3 km PM2.5: 2.9 µg/m³
5
Vallée-du-Richelieu, Quebec, Canada
19.3 km PM2.5: 1.2 µg/m³
32
Granby - Parc Poitevin, Quebec
29.4 km PM2.5: 7.6 µg/m³

What cities are near Saint-Hyacinthe?

29 Mont-Saint-Hilaire 29 Beloeil 33 Saint-Basile-le-Grand 35 Sainte-Julie 31 Granby 29 Chambly 35 Saint-Bruno-de-Montarville 36 Varennes 33 Boucherville 34 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 2026-06-08T22:00 UTC.