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

Markham

York Regional Municipality, Ontario

2026-07-27 08:00

AQI (China)

Excellent

PM2.5

μg/m³

14

Weather

18℃

91%

5 kph

0 of 11

Historical Data

Data Sources

http://www.airnow.gov/

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Cities Nearby

Whitchurch-Stouffville

East Gwillimbury