City comparison
London vs Paris air quality
Live AQI comparison between London and Paris. Data updates every 15 minutes.
London and Paris differ by 2 AQI points right now. London has cleaner air at this moment.
What drives air quality in London and Paris
London
London air quality changes quickly between boroughs because the city combines dense traffic routes, mixed housing, and major green corridors. Nitrogen dioxide is often highest near main roads, while finer particles spread more widely during still weather. Wind along the Thames can improve one district while leaving others under persistent urban haze.
Paris
Paris experiences strong urban contrasts, with cleaner parkside zones and higher roadside exposure near the périphérique and major radial routes. Nitrogen dioxide commonly spikes during commuter windows, especially under weak wind conditions. Dense building patterns in older districts can further reduce street-level dispersion and keep pollution concentrated for longer than expected.
Both cities are shaped by different combinations of traffic density, terrain, weather patterns, and seasonal events, which is why the same AQI band can feel different on the ground. Checking live readings rather than relying on reputation or past visits is the most reliable way to plan travel, exercise, or outdoor time between the two.
Live AQI from Open-Meteo (CAMS). Conditions change hourly — refresh for the latest readings. South African cities may show WAQI station data on their dedicated pages.