Air Quality in Port Colborne, Canada

Clear
29.6°C · 49.0% humidity
29.6°
Feels 32.3°
77
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Calibrated model

Nearby Monitoring Stations

AQI Forecast
34 10am
34
34
77 1pm
65
56
70 4pm
45
42
40 7pm
38
28
27 10pm
26
25
26 1am
26
25
25 4am
25
25
25 7am
27
24
AD 728×90

Air Quality Index Trend

43h · 5 stn

Port Colborne'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 Port Colborne is 1.6× the WHO 24-hour guideline of 15 µg/m³.

49.0%
Humidity
34.6 km/h
Wind NNE
1013.5 hPa
Pressure
17.4
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
77
24.45 µg/m³
PM10
65
84.3 µg/m³
050100150200300500

What is the weather forecast for Port Colborne?

Temperature & Precipitation

PM2.5 Trend

43h · 5 stations
PM2.524.45 µg/m³ ×1.6 WHO
Moderate
PM1084.3 µg/m³
Moderate
UV INDEX17.4
Extreme
AD 300×250
Both models agree Avg diff: 3.4°C

What cities are near Port Colborne?

116 Welland 116 Thorold 91 Fort Erie 91 Niagara Falls 91 Niagara Falls 91 Grand Island 91 Buffalo 116 St. Catharines 91 Kenmore 91 North Tonawanda
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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.