Today | Weather | Friday, May 15, 2026

Weather in Brownsville, Texas

10:29 PM
Now
Cloudy Night
77° F
Feels Like 77°
Precipitation 0 %
Wind 13 mph
Humidity 75 %
Today
Cloudy Night
Day 91°
Night 75°
Precipitation 3 %
Wind 13 mph

Brownsville Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (May 15, 2025)
Windy Weather

Day

95°

Night

81°

Wind

22 mph

UV Index

12

Precipitation

0 %

Air Quality in Brownsville

NOW
29 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.96 µg/m³
PM10 8.09 µg/m³
O3 0.031 ppm
NO2 0.1 ppb
SO2 0 ppb
CO 0.10 ppm
NH3 1.19 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)
PM2.52.96 µg/m³
PM108.09 µg/m³
O360.58 µg/m³
NO20.24 µg/m³
SO20.12 µg/m³
CO115.88 µg/m³
NH31.19 µg/m³
NO0 µg/m³