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

Guelph

Wellington County

2025-12-06 17:00

AQI (US)

Moderate

PM2.5

μg/m³

23

O3

μg/m³

53.6

NO2

μg/m³

14.4

Weather

-1℃

74%

24 kph

1 of 11

Historical Data

Places included

Data Sources

http://www.airnow.gov/

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