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
AD 728×90

Air Quality Index Trend

45h · 15 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.

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▲
16
3.8 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Saint-Hyacinthe?

Temperature & Precipitation

PM2.5 Trend

45h · 15 stations
PM2.53.8 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
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
19.3 km PM2.5: 3.8 µg/m³
29
Vallée-du-Richelieu, Quebec, Canada
19.3 km PM2.5: 7.0 µg/m³
22
Vallée-du-Richelieu, Quebec, Canada
19.3 km PM2.5: 5.3 µg/m³
19
Vallée-du-Richelieu, Quebec, Canada
19.3 km PM2.5: 4.6 µg/m³
18
Vallée-du-Richelieu, Quebec, Canada
19.3 km PM2.5: 4.3 µg/m³
16
Vallée-du-Richelieu, Quebec, Canada
19.3 km PM2.5: 3.8 µg/m³
24
Granby - Parc Poitevin, Quebec
29.4 km PM2.5: 5.7 µg/m³

What cities are near Saint-Hyacinthe?

16 Mont-Saint-Hilaire 16 Beloeil 16 Saint-Basile-le-Grand 16 Sainte-Julie 24 Granby 13 Chambly 16 Saint-Bruno-de-Montarville 16 Varennes 16 Boucherville 15 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 2026-09-05T12:12 UTC.