Today | Weather | Wednesday, September 9, 2026

Weather in Pasadena, Texas

07:35 PM
Now
Cloudy Night
84° F
Feels Like 91°
Precipitation 20 %
Wind 8 mph
Humidity 72 %
Today
Stormy Weather
Day 91°
Night 77°
Precipitation 55 %
Wind 6 mph

Pasadena Weather Forecast Updated

26 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (September 9, 2025)
Night

Day

90°

Night

66°

Wind

6 mph

Precipitation

0 %

Air Quality in Pasadena

NOW
26 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.12 µg/m³
PM10 1.6 µg/m³
O3 0.028 ppm
NO2 0.7 ppb
SO2 0.1 ppb
CO 0.09 ppm
NH3 0.13 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)
PM2.51.12 µg/m³
PM101.6 µg/m³
O354.36 µg/m³
NO21.38 µg/m³
SO20.39 µg/m³
CO100.46 µg/m³
NH30.13 µg/m³
NO0 µg/m³