What is the air quality in Arad?

Arad, Romania has an annual US AQI of 68 (Polluted) and average PM2.5 of 18 µg/m³, ranking #3015 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Arad?

May is typically the cleanest month (AQI 54) and January the most polluted (AQI 86).

Where does Arad's air quality data come from?

PM2.5: 1998–2026 (monitors 2009–2013, 2015, 2017–2018, 2020–2022, 2025, satellite 1998–2009, 2013–2020, 2023–2024, model 2025–2026). Measured by government monitoring stations. Full sources are on the methodology page.

Arad, Romania — Air Quality & Clean City Guide 2026

Arad Air Quality Data

Global rank	City	Continent	AQI	PM2.5
3015	Arad, Romania	Europe	AQI 68	PM2.5 18 µg/m³