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

Guelph

Guelph, Wellington County

2026-07-17 09:00

AQI (India)

Severe

PM2.5

μg/m³

259

O3

μg/m³

25.7

NO2

μg/m³

6.2

Weather

18℃

83%

2 kph

0 of 11

Historical Data

Data Sources

http://www.airnow.gov/

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