Marsá Maţrūḩ reports an annual PM2.5 of 13.4 µg/m³. That's roughly double the WHO 2021 guideline but still far below the EU annual limit of 25 µg/m³.
Compared across Egypt
Marsá Maţrūḩ: 13.4 µg/m³. Typical range in Egypt: 26.1–37.8 µg/m³. Low anchor: Damietta, 20.8 µg/m³. High anchor: Cairo, 42.9 µg/m³.
176 cities tracked