City comparison
Delhi vs Mumbai air quality
Live AQI comparison between Delhi and Mumbai. Data updates every 15 minutes.
Delhi and Mumbai differ by 100 AQI points right now. Mumbai has cleaner air at this moment.
What drives air quality in Delhi and Mumbai
Delhi
Delhi is one of the world's most complex urban air-quality environments, shaped by transport emissions, industry, construction dust, and regional sources. Pollution can persist across large areas rather than isolated streets, especially during calm periods. Even short outdoor exposure on poor-air days may represent a meaningful health burden for vulnerable groups.
Mumbai
Mumbai's air quality reflects dense transport demand, construction activity, and a coastal climate that can change dispersion rapidly. Road traffic and diesel freight remain major urban contributors, particularly around expressways and commercial hubs. Local exposure often differs between sea-facing neighborhoods and inland corridors where pollutants can accumulate during busy periods.
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.