What is the air quality in Brownsville TX?

Brownsville TX, United States of America has an annual US AQI of 51 (Reasonable) and average PM2.5 of 10.2 µg/m³, ranking #834 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Brownsville TX?

October is typically the cleanest month (AQI 43) and May the most polluted (AQI 62).

Where does Brownsville TX's air quality data come from?

PM2.5: 1998–2026 (monitors 2005–2026, satellite 1998–2004, 2016, 2018; 2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

Brownsville TX, United States of America — Air Quality & Clean City Guide 2026

Brownsville TX Air Quality Data

Global rank	City	Continent	AQI	PM2.5
834	Brownsville TX, United States of America	North America	AQI 51	PM2.5 10.2 µg/m³