Laghouat reports an annual PM2.5 of 15.3 µg/m³. That's meaningfully above the WHO 2021 guideline of 5 µg/m³ yet within the EU annual limit of 25 µg/m³.
Compared across Algeria
Laghouat: 15.3 µg/m³. Typical range in Algeria: 10.6–12.7 µg/m³. Low anchor: Bou Tlelis, 7.0 µg/m³. High anchor: Ouargla, 21.9 µg/m³.
257 cities tracked