Air Quality in Downsview-Roding-CFB, Canada

Clear
28.5°C · 42.7% humidity
28.5°
Feels 30.0°
64
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
121 10am
125
88
64 1pm
77
86
93 4pm
98
121
124 7pm
106
98
99 10pm
101
109
129 1am
109
103
103 4am
101
103
103 7am
103
100
Station readings
121
125
88
CAMS model adj +76
34
34
34
34
34
34
34
34
54
54
34
25
25
27
34
54
34
27
27
25
27
27
27
24
AD 728×90

Air Quality Index Trend

47h · 2 stn

Downsview-Roding-CFB'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 Downsview-Roding-CFB is 1.2× 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
64
18.24 µg/m³
PM10▲
65
84.3 µg/m³
050100150200300500

What is the weather forecast for Downsview-Roding-CFB?

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations
PM2.518.24 µg/m³ ×1.2 WHO
Moderate
PM1084.3 µg/m³
Moderate
UV INDEX12.9
Extreme
AD 300×250
Station readings (2 stations within 25 km)
18.24
Median
29.11
Average
15.0
Low
43.23
High
PM2.5 µg/m³ · Model: 41.58 · Bias: +23.3

What is the 7-day forecast for Downsview-Roding-CFB?

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: 3.1°C

Where are air quality stations near Downsview-Roding-CFB?

15
Toronto West, Ontario, Canada
5.0 km PM2.5: 3.6 µg/m³
57
NASA GSFC Rutgers Calib. N20
6.5 km PM2.5: 15.0 µg/m³
18
Toronto North, Ontario, Canada
7.9 km PM2.5: 4.3 µg/m³
30
Toronto North, Ontario, Canada
7.9 km PM2.5: 7.2 µg/m³
50
Toronto Downtown, Ontario, Canada
11.4 km PM2.5: 12.0 µg/m³
38
Toronto
12.4 km PM2.5: 9.1 µg/m³
32
Toronto
12.4 km PM2.5: 7.7 µg/m³
12
canada-toronto-richmond-street-west
12.4 km 27.2°C 36.3% RH PM2.5: 2.8 µg/m³ PM10: 3.7 µg/m³
33
Toronto East, Ontario, Canada
17.5 km PM2.5: 7.9 µg/m³
39
Toronto East, Ontario, Canada
17.5 km PM2.5: 9.4 µg/m³

What cities are near Downsview-Roding-CFB?

62 Glenfield-Jane Heights 72 Brookhaven-Amesbury 59 York University Heights 64 Clanton Park 73 Weston 60 Black Creek 59 Bathurst Manor 73 Englemount-Lawrence 65 Humbermede 73 Bedford Park-Nortown
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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 2026-07-21T17:19 UTC.