Québec - Henri-IV, Quebec Air Quality

Monitoring Station · Sainte-Foy, Canada
78
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
67 5pm
62
78
64 8pm
64
64
64 11pm
64
62
64 2am
62
62
62 5am
61
61
— 8am
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— 11am
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— 2pm
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Station readings
67
78
CAMS model adj +37
25
25
25
27
27
27
27
27
25
27
25
25
25
24
24

Air Quality Forecast (24h)

PM2.524.8 µg/m³ ×1.7 WHO
Moderate
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Gas Pollutants

O₃
24.3
µg/m³
SO₂
0.0
µg/m³
CO
0.0
mg/m³

Nearby Monitoring Stations

-
canada-quebec-ch-saint-louis
3.4 km
52
canada-quebec-rue-paul-dutil
3.5 km PM2.5: 12.8 µg/m³
64
canada-quebec-le-corbusier-rue
3.6 km PM2.5: 18.4 µg/m³
43
Québec - secteur de Champigny, Quebec, Canada
4.0 km PM2.5: 10.3 µg/m³
76
Québec - secteur de Champigny, Quebec, Canada
4.0 km PM2.5: 24.0 µg/m³
50
canada-quebec-av-du-du-nordet
4.1 km PM2.5: 11.9 µg/m³
44
canada-quebec-de-laubier-rue
4.3 km PM2.5: 10.6 µg/m³
53
canada-quebec-du-zéphyr-rue
4.3 km PM2.5: 12.9 µg/m³

Nearby Cities

66 Sainte-Foy 63 L'Ancienne-Lorette 58 Les Rivières 76 Québec 58 La Cité-Limoilou 57 Neufchâtel-Est–Lebourgneuf 76 Lévis 62 Saint-Augustin-de-Desmaures 62 Beauport

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-21T20:47 UTC.