Today | Weather | Thursday, April 23, 2026

Weather in Richardson, Texas

09:13 AM
Now
Cloudy Weather
68° F
Feels Like 66°
Precipitation 7 %
Wind 13 mph
UV Index (0 - 11+) 1
Humidity 91 %
Today
Cloudy Weather
Day 79°
Night 70°
Precipitation 25 %
Wind 15 mph
UV Index (0 - 11+) 3

Richardson Weather Forecast Updated

16 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (April 23, 2025)
Sunny with a Chance of Thunderstorms

Day

82°

Night

66°

Wind

9 mph

UV Index

10

Precipitation

96 %

Air Quality in Richardson

NOW
26 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.49 µg/m³
PM10 4.26 µg/m³
O3 0.028 ppm
NO2 1 ppb
SO2 0.1 ppb
CO 0.12 ppm
NH3 0.73 µg/m³
NO 0.04 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)
PM2.52.49 µg/m³
PM104.26 µg/m³
O355.72 µg/m³
NO21.96 µg/m³
SO20.33 µg/m³
CO132.47 µg/m³
NH30.73 µg/m³
NO0.04 µg/m³