Hats’avan reports an annual PM2.5 of 16.4 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 Armenia
Hats’avan: 16.4 µg/m³. Typical range in Armenia: 16.6–27.7 µg/m³. Low anchor: Stepanavan, 14.3 µg/m³. High anchor: Yerevan, 30.4 µg/m³.
19 cities tracked