Today | Weather | Friday, September 18, 2026

Weather in Laredo, Texas

03:58 PM
Now
Stormy Weather
95° F
Feels Like 97°
Precipitation 75 %
Wind 9 mph
UV Index (0 - 11+) 1
Humidity 50 %
Today
Sunny with a Chance of Thunderstorms
Day 95°
Night 77°
Precipitation 100 %
Wind 7 mph
UV Index (0 - 11+) 7

Laredo Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (September 18, 2025)
Night

Day

95°

Night

73°

Wind

8 mph

Precipitation

23 %

Air Quality in Laredo

NOW
34 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 6.64 µg/m³
PM10 7.11 µg/m³
O3 0.036 ppm
NO2 0.6 ppb
SO2 0.1 ppb
CO 0.12 ppm
NH3 0.39 µg/m³
NO 0.2 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)
PM2.56.64 µg/m³
PM107.11 µg/m³
O371.53 µg/m³
NO21.06 µg/m³
SO20.23 µg/m³
CO136.06 µg/m³
NH30.39 µg/m³
NO0.2 µg/m³