Air Quality in Saint-Hyacinthe, Canada
Drizzle
16.0°C · 94.4% humidity
16.0°
Feels 16.0°
16
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
AQI Forecast
24
5am
24
24
16
8am
18
20
21
11am
22
22
23
2pm
23
23
24
5pm
24
24
24
8pm
24
24
24
11pm
24
24
24
2am
24
24
Air Quality Index Trend
45h · 15 stnSaint-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.
94.4%
Humidity
44.7 km/h
Wind NNE
1009.7 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
3.8 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Saint-Hyacinthe?
Temperature & Precipitation
PM2.5 Trend
45h · 15 stationsPM2.53.8 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (1 station within 25 km)
3.8
Median
3.8
Average
3.8
Low
3.8
High
PM2.5 µg/m³ · Model: 5.8 · Bias: +2.0
What is the 7-day forecast for Saint-Hyacinthe?
09-05
25.4° 14.0°
2.81 mm
09-06
25.6° 13.0°
4.13 mm
09-07
19.6° 10.8°
09-08
18.2° 12.2°
6.13 mm
09-09
23.4° 11.2°
0.25 mm
09-10
19.5° 11.0°
10.88 mm
09-11
25.8° 10.2°
0.19 mm
Both models agree
Avg diff: 4.4°C
Where are air quality stations near Saint-Hyacinthe?
16
Vallée-du-Richelieu, Quebec, Canada
29
Vallée-du-Richelieu, Quebec, Canada
22
Vallée-du-Richelieu, Quebec, Canada
19
Vallée-du-Richelieu, Quebec, Canada
18
Vallée-du-Richelieu, Quebec, Canada
16
Vallée-du-Richelieu, Quebec, Canada
24
Granby - Parc Poitevin, Quebec
What cities are near Saint-Hyacinthe?
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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 2026-09-05T12:12 UTC.