What is the air quality in Southend-on-Sea?

Southend-on-Sea, United Kingdom has an annual US AQI of 53 (Reasonable) and average PM2.5 of 11.3 µg/m³, ranking #1123 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Southend-on-Sea?

August is typically the cleanest month (AQI 46) and March the most polluted (AQI 63).

Where does Southend-on-Sea's air quality data come from?

PM2.5: 1998–2026 (monitors 2009–2026, satellite 1998–2009, 2011–2012, 2014, 2017–2018; 2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

Southend-on-Sea, United Kingdom — Air Quality & Clean City Guide 2026

Southend-on-Sea Air Quality Data

Global rank	City	Continent	AQI	PM2.5
1123	Southend-on-Sea, United Kingdom	Europe	AQI 53	PM2.5 11.3 µg/m³