Guelph Real-time Air Quality Index (AQI) & Pollution Report - Air Matters

Guelph

Guelph, Wellington County

2025-03-18 05:00

AQI (US)

Good

O3

μg/m³

53.6

PM2.5

μg/m³

3

NO2

μg/m³

10.9

Weather

-2℃

86%

11 kph

0 of 11

Historical Data

Data Sources

http://www.airqualityontario.com/

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