Air Quality in Bay Street Corridor, Canada

Clear
28.5°C · 42.7% humidity
28.5°
Feels 30.0°
103
Unhealthy for sensitive groups
Sensitive groups should reduce prolonged outdoor exertion.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
125 10am
125
105
103 1pm
109
114
117 4pm
119
121
122 7pm
123
94
95 10pm
97
104
105 1am
125
125
105 4am
98
98
98 7am
98
95
Station readings
119
126
114
CAMS model adj +71
54
54
34
54
54
54
54
54
54
54
54
25
25
27
34
34
54
54
34
27
27
27
27
24
AD 728×90

Air Quality Index Trend

38h · 1 stn

Bay Street Corridor's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in Bay Street Corridor is 2.4× the WHO 24-hour guideline of 15 µg/m³.

42.7%
Humidity
37.6 km/h
Wind ESE
1014.5 hPa
Pressure
12.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
103
36.23 µg/m³
PM10
78
109.3 µg/m³
050100150200300500

What is the weather forecast for Bay Street Corridor?

Temperature & Precipitation

PM2.5 Trend

38h · 1 station
PM2.536.23 µg/m³ ×2.4 WHO
Unhealthy for sensitive groups
PM10109.3 µg/m³
Moderate
UV INDEX12.9
Extreme
AD 300×250
Station readings (2 stations within 25 km)
36.23
Median
29.11
Average
15.0
Low
43.23
High
PM2.5 µg/m³ · Model: 56.72 · Bias: +20.5

What is the 7-day forecast for Bay Street Corridor?

07-21
28.5° 22.0°
1.69 mm
07-22
25.4° 20.9°
0.25 mm
07-23
22.9° 15.4°
07-24
24.9° 18.8°
07-25
24.8° 16.1°
0.5 mm
07-26
28.3° 19.9°
1.13 mm
07-27
30.1° 20.3°
0.13 mm
Both models agree Avg diff: 2.9°C

Where are air quality stations near Bay Street Corridor?

38
Toronto
0.5 km PM2.5: 9.1 µg/m³
32
Toronto
0.5 km PM2.5: 7.7 µg/m³
50
Toronto Downtown, Ontario, Canada
0.6 km PM2.5: 12.0 µg/m³
12
canada-toronto-richmond-street-west
0.9 km 27.2°C 36.3% RH PM2.5: 2.8 µg/m³ PM10: 3.7 µg/m³
114
Wood Glen
9.3 km PM2.5: 40.8 µg/m³ PM10: 54.7 µg/m³
39
Toronto East, Ontario, Canada
13.5 km PM2.5: 9.4 µg/m³
33
Toronto East, Ontario, Canada
13.5 km PM2.5: 7.9 µg/m³
26
Toronto East, Ontario, Canada
13.5 km PM2.5: 6.2 µg/m³
15
Toronto West, Ontario, Canada
13.9 km PM2.5: 3.6 µg/m³
18
Toronto North, Ontario, Canada
14.0 km PM2.5: 4.3 µg/m³

What cities are near Bay Street Corridor?

104 Church-Yonge Corridor 99 Kensington-Chinatown 106 Moss Park 105 North St.James Town 97 Trinity-Bellwoods 96 Annex 98 Niagara 105 Waterfront Communities-The Island 102 Rosedale-Moore Park 93 Little Portugal
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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 2026-07-21T17:25 UTC.