Québec - Henri-IV, Quebec Air Quality

Monitoring Station · Sainte-Foy, Canada
79
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
79 2am
67
69
76 5am
96
96
96 8am
96
96
96 11am
96
76
76 2pm
69
69
— 5pm
—
—
— 8pm
—
—
— 11pm
—
—
CAMS model adj +42
25
25
27
34
54
54
54
54
54
54
54
34
34
27
27

Air Quality Forecast (24h)

PM2.525.3 µg/m³ ×1.7 WHO
Moderate
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Gas Pollutants

O₃
15.7
µg/m³
SO₂
0.0
µg/m³
CO
0.0
mg/m³

Nearby Monitoring Stations

-
canada-quebec-ch-saint-louis
3.4 km
71
canada-quebec-rue-paul-dutil
3.5 km PM2.5: 21.6 µg/m³
98
canada-quebec-rue-paul-dutil
3.5 km PM2.5: 34.4 µg/m³
84
canada-quebec-le-corbusier-rue
3.6 km PM2.5: 28.0 µg/m³
153
canada-quebec-rue-jacques-bureau
3.7 km PM2.5: 60.3 µg/m³
45
Québec - secteur de Champigny, Quebec, Canada
4.0 km PM2.5: 10.8 µg/m³
69
Québec - secteur de Champigny, Quebec, Canada
4.0 km PM2.5: 20.7 µg/m³
68
Québec - secteur de Champigny, Quebec, Canada
4.0 km PM2.5: 20.2 µg/m³

Nearby Cities

49 Sainte-Foy 55 L'Ancienne-Lorette 46 Les Rivières 60 Québec 47 La Cité-Limoilou 44 Neufchâtel-Est–Lebourgneuf 54 Lévis 48 Saint-Augustin-de-Desmaures 49 Beauport

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-08T05:08 UTC.