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An in-depth look at the air quality data for Tuen Mun

Tuen Mun

Monitoring Station

	Concentration µg/m³	AQG multiple
PM_2.5	19.1	1.27 ×	Moderate
PM₁₀	22.1	0.49 ×
O₃	3.2	0.03 ×
NO₂	94.1	3.76 ×	Extreme
SO₂	6	0.15 ×
Data recorded: 9:00 PM on Apr 4, 2026

PM_2.5

PM₁₀

O₃

NO₂

SO₂