What is the air quality in Merced CA?

Merced CA, United States of America has an annual US AQI of 69 (Polluted) and average PM2.5 of 13.7 µg/m³, ranking #3086 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Merced CA?

March is typically the cleanest month (AQI 48) and July the most polluted (AQI 89).

Where does Merced CA's air quality data come from?

PM2.5: 1998–2025 (monitors 1999–2025, satellite 1998–2010). Measured by government monitoring stations. Full sources are on the methodology page.

Merced CA, United States of America — Air Quality & Clean City Guide 2026

Merced CA Air Quality Data

Global rank	City	Continent	AQI	PM2.5
3086	Merced CA, United States of America	North America	AQI 69	PM2.5 13.7 µg/m³