Today | Weather | Friday, October 2, 2026

Weather in Brownsville, Texas

11:32 PM
Today
Stormy Weather
Day 91°
Night 77°
Precipitation 100 %
Wind 6 mph

Brownsville Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (October 2, 2025)
Night

Day

91°

Night

72°

Wind

5 mph

Precipitation

1 %

Air Quality in Brownsville

NOW
14 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.27 µg/m³
PM10 3.02 µg/m³
O3 0.015 ppm
NO2 1.3 ppb
SO2 0.2 ppb
CO 0.12 ppm
NH3 0.22 µg/m³
NO 0 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.5 – 2.27 µg/m³
PM10 – 3.02 µg/m³
O3 – 30.03 µg/m³
NO2 – 2.45 µg/m³
SO2 – 0.48 µg/m³
CO – 136.89 µg/m³
NH3 – 0.22 µg/m³
NO – 0 µg/m³