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

Guelph

Guelph, Wellington County

2025-12-06 03:00

CAQI (Europe)

Low

O3

μg/m³

66.4

PM2.5

μg/m³

15

NO2

μg/m³

12.3

Weather

-3℃

80%

26 kph

0 of 11

Historical Data

Data Sources

http://www.airnow.gov/

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