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

Guelph

Guelph, Wellington County

2025-03-18 02:00

AQI (US)

Good

PM2.5

μg/m³

4

NO2

μg/m³

40.7

O3

μg/m³

30

Weather

0℃

43%

8 kph

0 of 11

Historical Data

Data Sources

http://www.airqualityontario.com/

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