What is the air quality in Lima?

Lima, Peru has an annual US AQI of 76 (Polluted) and average PM2.5 of 22.3 µg/m³, ranking #3587 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Lima?

February is typically the cleanest month (AQI 67) and May the most polluted (AQI 87).

Where does Lima's air quality data come from?

PM2.5: 1998–2026 (monitors 2015–2026, satellite 1998–2014, 2018; 2025–2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

Lima, Peru — Air Quality & Clean City Guide 2026

Lima Air Quality Data

Global rank	City	Continent	AQI	PM2.5
3587	Lima, Peru	South America	AQI 76	PM2.5 22.3 µg/m³