Air Quality in Steeles, Canada

Clear
28.5°C · 42.7% humidity
28.5°
Feels 30.0°
79
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
117 10am
117
117
79 1pm
90
97
103 4pm
107
110
132 7pm
113
105
106 10pm
107
109
116 1am
117
110
110 4am
110
108
108 7am
110
107
Station readings
119
126
114
CAMS model adj +83
34
34
34
34
34
34
34
34
34
54
34
25
25
25
27
34
34
27
27
27
25
25
27
24
AD 728×90

Air Quality Index Trend

38h · 1 stn

Steeles'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 Steeles is 1.7× 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
PM2.5
79
25.44 µg/m³
PM10
65
84.3 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

38h · 1 station
PM2.525.44 µg/m³ ×1.7 WHO
Moderate
PM1084.3 µg/m³
Moderate
UV INDEX12.9
Extreme
AD 300×250
25.44
Median
29.11
Average
15.0
Low
43.23
High
PM2.5 µg/m³ · Model: 41.58 · Bias: +16.1
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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 2026-07-21T17:22 UTC.