Air Quality in Annex, Canada

Clear
28.5°C · 42.7% humidity
28.5°
Feels 30.0°
96
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
114 10am
114
114
96 1pm
101
105
107 4pm
109
131
132 7pm
112
104
104 10pm
106
114
134 1am
114
107
107 4am
105
107
107 7am
107
104
Station readings
119
126
114
CAMS model adj +80
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

38h · 1 stn

Annex'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 Annex is 2.2× 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▲
96
33.37 µg/m³
PM10
78
109.3 µg/m³
050100150200300500

What is the weather forecast for Annex?

Temperature & Precipitation

PM2.5 Trend

38h · 1 station
PM2.533.37 µg/m³ ×2.2 WHO
Moderate
PM10109.3 µg/m³
Moderate
UV INDEX12.9
Extreme
AD 300×250
Station readings (2 stations within 25 km)
33.37
Median
29.11
Average
15.0
Low
43.23
High
PM2.5 µg/m³ · Model: 54.08 · Bias: +20.7

What is the 7-day forecast for Annex?

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 Annex?

50
Toronto Downtown, Ontario, Canada
1.6 km PM2.5: 12.0 µg/m³
38
Toronto
2.6 km PM2.5: 9.1 µg/m³
32
Toronto
2.6 km PM2.5: 7.7 µg/m³
12
canada-toronto-richmond-street-west
2.7 km 27.2°C 36.3% RH PM2.5: 2.8 µg/m³ PM10: 3.7 µg/m³
114
Wood Glen
10.4 km PM2.5: 40.8 µg/m³ PM10: 54.7 µg/m³
15
Toronto West, Ontario, Canada
12.0 km PM2.5: 3.6 µg/m³
30
Toronto North, Ontario, Canada
12.3 km PM2.5: 7.2 µg/m³
18
Toronto North, Ontario, Canada
12.3 km PM2.5: 4.3 µg/m³
33
Toronto East, Ontario, Canada
13.5 km PM2.5: 7.9 µg/m³
39
Toronto East, Ontario, Canada
13.5 km PM2.5: 9.4 µg/m³

What cities are near Annex?

99 Kensington-Chinatown 103 Bay Street Corridor 102 Rosedale-Moore Park 105 North St.James Town 104 Church-Yonge Corridor 97 Trinity-Bellwoods 88 Dovercourt-Wallace Emerson-Junction 98 Niagara 85 Oakwood Village 106 Moss Park
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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 2026-07-21T17:17 UTC.