What is the air quality in Delhi?

Delhi, India has an annual US AQI of 186 (Polluted) and average PM2.5 of 105.8 µg/m³, ranking #5852 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Delhi?

August is typically the cleanest month (AQI 116) and November the most polluted (AQI 288).

Where does Delhi's air quality data come from?

PM2.5: 1998–2026 (monitors 2009–2026, satellite 1998–2010; 2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

Delhi, India — Air Quality & Clean City Guide 2026

Delhi Air Quality Data

Global rank	City	Continent	AQI	PM2.5
5852	Delhi, India	Asia	AQI 186	PM2.5 105.8 µg/m³