Québec - Henri-IV, Quebec

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
78 7pm
70
70
70 10pm
70
70
95 1am
82
82
82 4am
82
82
95 7am
95
—
— 10am
—
—
— 1pm
—
—
— 4pm
—
—
Station readings
78
CAMS model adj +45
25
25
25
25
25
25
50
37
37
37
37
37
50
50

Air Quality Trend (24h)

PM2.525.1 µg/m³ ×1.7 WHO
Moderate

Gas Pollutants

O₃
27.5
µg/m³
SO₂
0.1
µg/m³
CO
0.0
mg/m³

Nearby Monitoring Stations

22
canada-quebec-ch-saint-louis
3.4 km PM2.5: 5.2 µg/m³
-
canada-quebec-le-corbusier-rue
3.6 km PM2.5: 0.0 µg/m³
25
Québec - secteur de Champigny, Quebec, Canada
4.0 km
26
Québec - secteur de Champigny, Quebec, Canada
4.0 km
25
Québec - secteur de Champigny, Quebec, Canada
4.0 km
32
Québec - secteur de Champigny, Quebec, Canada
4.0 km
25
Québec - secteur de Champigny, Quebec, Canada
4.0 km
30
Québec - secteur de Champigny, Quebec, Canada
4.0 km

Nearby Cities

25 Sainte-Foy 25 L'Ancienne-Lorette 25 Les Rivières 25 Québec 25 La Cité-Limoilou 25 Neufchâtel-Est–Lebourgneuf 25 Lévis 25 Saint-Augustin-de-Desmaures 25 Beauport

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-09T22:19 UTC.