Air Quality in Saint-Hyacinthe, Canada

Windy
18.6°C · 54.2% humidity
18.6°
Feels 18.6°
42
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast

Nearby Monitoring Stations

AQI Forecast
27 10pm
27
27
42 1am
40
38
37 4am
36
56
55 7am
35
26
25 10am
27
27
27 1pm
27
25
25 4pm
25
25
25 7pm
25
25
AD 728×90

Air Quality Index Trend

46h · 14 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.

54.2%
Humidity
43.5 km/h
Wind W
1010.9 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
42
10.0 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Saint-Hyacinthe?

Temperature & Precipitation

PM2.5 Trend

46h · 14 stations
PM2.510.0 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX2.2
Moderate
AD 300×250

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

08-03
22.1° 16.0°
08-04
27.7° 15.1°
1.75 mm
08-05
27.7° 15.7°
3.69 mm
08-06
25.1° 18.3°
3.13 mm
08-07
23.8° 14.8°
2.44 mm
08-08
23.6° 16.2°
0.06 mm
08-09
30.6° 18.4°
0.62 mm
Both models agree Avg diff: 3.7°C

Where are air quality stations near Saint-Hyacinthe?

28
Vallée-du-Richelieu, Quebec, Canada
19.3 km PM2.5: 6.7 µg/m³
29
Vallée-du-Richelieu, Quebec, Canada
19.3 km PM2.5: 7.0 µg/m³
26
Vallée-du-Richelieu, Quebec, Canada
19.3 km PM2.5: 6.2 µg/m³
31
Vallée-du-Richelieu, Quebec, Canada
19.3 km PM2.5: 7.4 µg/m³
28
Vallée-du-Richelieu, Quebec, Canada
19.3 km PM2.5: 6.7 µg/m³
28
Vallée-du-Richelieu, Quebec, Canada
19.3 km PM2.5: 6.7 µg/m³
28
Vallée-du-Richelieu, Quebec, Canada
19.3 km PM2.5: 6.7 µg/m³
21
Vallée-du-Richelieu, Quebec, Canada
19.3 km PM2.5: 5.0 µg/m³
29
Vallée-du-Richelieu, Quebec, Canada
19.3 km PM2.5: 7.0 µg/m³
12
Vallée-du-Richelieu, Quebec, Canada
19.3 km PM2.5: 2.9 µg/m³

What cities are near Saint-Hyacinthe?

31 Mont-Saint-Hilaire 31 Beloeil 64 Saint-Basile-le-Grand 64 Sainte-Julie 42 Granby 55 Chambly 64 Saint-Bruno-de-Montarville 62 Varennes 63 Boucherville 61 Saint-Hubert
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T05:40 UTC.