What is the air quality in Plymouth?

Plymouth, United Kingdom has an annual US AQI of 49 (Reasonable) and average PM2.5 of 9.8 µg/m³, ranking #702 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Plymouth?

August is typically the cleanest month (AQI 39) and March the most polluted (AQI 60).

Where does Plymouth's air quality data come from?

PM2.5: 1998–2026 (monitors 2009–2026, satellite 1998–2009, 2011–2012, 2014–2015; 2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

Plymouth, United Kingdom — Air Quality & Clean City Guide 2026

Plymouth Air Quality Data

Global rank	City	Continent	AQI	PM2.5
702	Plymouth, United Kingdom	Europe	AQI 49	PM2.5 9.8 µg/m³