Qusar reports an annual PM2.5 of 14.1 µg/m³. That's roughly double the WHO 2021 guideline but still far below the EU annual limit of 25 µg/m³.
Compared across Azerbaijan
Qusar: 14.1 µg/m³. Typical range in Azerbaijan: 15.9–18.0 µg/m³. Low anchor: Şuşa, 13.9 µg/m³. High anchor: Naxçıvan, 26.2 µg/m³.
52 cities tracked