What is the air quality in Oshkosh WI?

Oshkosh WI, United States of America has an annual US AQI of 46 (Reasonable) and average PM2.5 of 8.8 µg/m³, ranking #516 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Oshkosh WI?

October is typically the cleanest month (AQI 37) and January the most polluted (AQI 52).

Where does Oshkosh WI's air quality data come from?

PM2.5: 1998–2024 (monitors 1999–2003, satellite 1998–1999, 2003–2024). Measured by government monitoring stations. Full sources are on the methodology page.

Oshkosh WI, United States of America — Air Quality & Clean City Guide 2026

Oshkosh WI Air Quality Data

Global rank	City	Continent	AQI	PM2.5
516	Oshkosh WI, United States of America	North America	AQI 46	PM2.5 8.8 µg/m³