What is the air quality in Bristol?

Bristol, United Kingdom has an annual US AQI of 52 (Reasonable) and average PM2.5 of 11 µg/m³, ranking #1014 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Bristol?

August is typically the cleanest month (AQI 43) and March the most polluted (AQI 61).

Where does Bristol's air quality data come from?

PM2.5: 1998–2026 (monitors 2008–2026, satellite 1998–2008, 2012, 2014, 2016, 2018–2019, 2023; 2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

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

Bristol Air Quality Data

Global rank	City	Continent	AQI	PM2.5
1014	Bristol, United Kingdom	Europe	AQI 52	PM2.5 11 µg/m³