SmogRank / World / Armenia / 2025
Most polluted cities in Armenia, 2025
1 city in Armenia ranked by their average PM2.5 over the 365 days; 1 above the WHO annual guideline (5.0 µg/m³). The only one: Yerevan at 32.5 µg/m³, #141 of 2,624 cities in the world. A city needs measurements on 70% of the days to be ranked.
- 1Yerevanlow-cost sensorsYerevan 956.5×
Low-cost sensors: consumer units, counted only in cities with no government-grade monitor; they read close to reference monitors on the whole, but 15 to 25% high in humid air. How we use them.
The US EPA's Air Quality Index for PM2.5 (2024 breakpoints). Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales
All cities in the world, 2025 · Armenia now
Use this board
SmogRank, most polluted cities in Armenia, PM2.5, 2025, smogrank.com/am/history/2025 (accessed 8 Oct 2026). Some readings from Uzhydromet (Uzbekistan's Hydrometeorological Service); Department of Environment, Nepal; Vietnam's government monitors; Aurassure; Umhverfisstofnun (Environment Agency of Iceland); Love My Air (City and County of Denver), no reuse terms published.
You're welcome to reuse a single chart, image or figure with this citation and a link. Terms. Raw monitor readings in bulk are published by OpenAQ, under each provider's licence.